CN109731145B - Root canal disinfection core convenient for clinical operation and preparation method thereof - Google Patents
Root canal disinfection core convenient for clinical operation and preparation method thereof Download PDFInfo
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- CN109731145B CN109731145B CN201910020199.7A CN201910020199A CN109731145B CN 109731145 B CN109731145 B CN 109731145B CN 201910020199 A CN201910020199 A CN 201910020199A CN 109731145 B CN109731145 B CN 109731145B
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Abstract
The invention relates to a root canal disinfection core convenient for clinical operation, which is prepared from fiber materials and root canal disinfection drugs, wherein the root canal disinfection drugs and the fiber materials are mixed and processed into a conical root canal disinfection core convenient for clinical operation. The invention also comprises a preparation method of the root canal disinfection core. Its advantages are: the root canal disinfection core has the advantages of simple structure, convenient manufacture and safe operation, and the root canal disinfection core can simplify clinical operation, improve the root canal disinfection effect and shorten the root canal treatment time.
Description
Technical Field
The invention relates to the technical field of medical consumables, in particular to a root canal disinfection core convenient for clinical operation and a preparation method thereof.
Background
Root canal therapy is the best method for treating dental pulp and periapical lesions and keeping teeth from being pulled out at present, and is the most commonly used effective treatment method internationally. The root canal therapy is to eliminate infected dental pulp, infected dentin and toxic substances by a mechanical method by means of special instruments, and has complexity, so that the requirement of thorough disinfection and cleaning is not easy to achieve really, the requirement on the root canal disinfection is high, firstly, residual bacteria in the root canal can be killed, secondly, the bacteria and inflammatory substances in apical tissues can be eliminated in an auxiliary mode, thirdly, damaged apical tissues can be repaired in an auxiliary mode, the closure of apical pores is facilitated, fourth tube disinfection can prevent the occurrence of residual myelitis, and if the root canal disinfection is not thorough, the dental pulp can be infected again, so that the root canal disinfection is an important step related to the success of root canal therapy.
Clinical root canal therapy includes: three basic steps of root canal preparation, root canal disinfection and root canal filling are adopted, so that the root canal treatment course is long, and multiple times of repeated diagnosis are required. Wherein the current root canal disinfection process needs to introduce the root canal disinfection medicine, and the species of the root canal disinfection medicine is single, thus being difficult to fully convey the root canal disinfection medicine to the required disinfection part, the action time of the root canal disinfection medicine is limited, the root canal disinfection medicine can not be placed in the root canal for a long time, and the root canal disinfection medicine is taken out again before the next root canal filling and is washed and dried by the medicine. This is a tedious, long-lasting and inefficient process.
The Chinese patent application: CN103330628A discloses a dental comprehensive treatment table, which relates to the technical field of medical equipment and comprises a treatment waterway provided with a plurality of water outlet branch pipes, wherein a main water outlet pipe connected with the plurality of water outlet branch pipes is provided with a three-way valve, one valve port of the three-way valve is connected with the treatment waterway, and the other valve port is connected with a disinfection waterway; the disinfection waterway comprises a water storage tank, a gas-liquid mixing circulation pipeline and a cooling circulation pipeline; the water storage tank is connected with an air outlet pipe, a heater is arranged on the air outlet pipe, and an ozone concentration detector is arranged in the water storage tank; the connecting arm of connecting the treatment operation panel is last to install the disinfection basin of taking the lid, and the inslot is provided with the support of cartridge dental handpiece, and the bottom in disinfection basin is connected with the wet return, and the wet return is connected to the weak suction means who installs in dental chair side case through the inner chamber of dental chair cantilever, and weak suction means is connected with high-pressure water pipe and blow off pipe, but the device structure is complicated, and manufacturing cost is high.
The Chinese patent application: CN108143508A discloses a root canal surgery robot, which comprises a mobile console, a root canal cleaner and a root canal filler, wherein the mobile console is used for receiving instructions from a physician and controlling the automatic operation of the root canal cleaner and the root canal filler. The multifunctional composite root canal cleaner utilizes the incompressibility of liquid to conduct waves well, so that the liquid medicine in the pulp chamber and the root canal system generates multi-harmonic transverse oscillation with strong adaptability and suitable for the shape of the root canal, and the root canal is filled on the basis. However, the device has a high manufacturing cost, which increases the economic burden of the patient, and when in use, the robot needs to be used, and a special doctor needs to operate nearby, which further increases the professional requirement of the doctor, which undoubtedly increases the difficulty for the doctor with insufficient manpower resources.
Therefore, aiming at the defects, the inventor designs the root canal disinfection core convenient for clinical operation, which can simplify the clinical operation process, shorten the clinical operation time and improve the root canal disinfection effect, and is an important clinical use consumable.
Disclosure of Invention
The first purpose of the present invention is to provide a root canal disinfection core which is convenient for clinical operation, aiming at the defects of the prior art.
The second purpose of the present invention is to provide a method for preparing a root canal disinfection core which is convenient for clinical operation, aiming at the defects of the prior art.
In order to achieve the first purpose, the invention adopts the technical scheme that:
a root canal disinfection core convenient for clinical operation is prepared from a fiber material and a root canal disinfection medicament, wherein the fiber material is prepared from the following raw materials in parts by weight: 30-50 parts of bamboo fiber, 10-30 parts of chitin fiber and 10-30 parts of wool fiber, wherein the root canal disinfectant is one or more selected from calcium hydroxide preparation, phenolic aldehyde preparation, iodoform preparation and antibiotic preparation.
As a preferred embodiment of the present invention, the endodontic disinfectant is a solid-state drug.
As a preferred embodiment of the present invention, the solid drug is a paste, powder or ointment.
As a preferred embodiment of the invention, the fiber material is prepared from the following raw materials in parts by weight: 35-45 parts of bamboo fiber, 15-25 parts of chitin fiber and 15-25 parts of wool fiber.
As a preferred embodiment of the invention, the fiber material is prepared from the following raw materials in parts by weight: 40 parts of bamboo fiber, 20 parts of chitin fiber and 20 parts of wool fiber.
As a preferred embodiment of the present invention, the method for preparing the root canal sterilizing core comprises the following steps:
(1) taking the raw materials according to the proportion, drying the chitin fiber, and then mixing the bamboo fiber, the dried chitin fiber and the wool fiber to form raw material fiber pulp;
(2) allowing the raw material fiber slurry obtained in the step (1) to flow into a forming machine for carding, dehydrating on a forming net to form a fiber net, and carrying out spunlace pre-entanglement and spunlace entanglement reinforcement on the formed wet fiber net by using a high-pressure pre-spunlace head to obtain a fiber material;
(3) preparing a root canal disinfection medicament according to a conventional pharmaceutical method for later use;
(4) and (3) uniformly mixing the root canal disinfection medicament obtained in the step (3) and the fiber material obtained in the step (2) and processing the mixture into a solid and conical root canal disinfection core.
As a preferred embodiment of the present invention, the endodontic core is a solid, tapered endodontic core having an overall length of 20 to 30 mm.
In order to achieve the second object, the invention adopts the technical scheme that:
the method for preparing the root canal disinfection core convenient for clinical operation comprises the following steps:
(1) taking the raw materials according to the proportion, drying the chitin fiber, and then mixing the bamboo fiber, the dried chitin fiber and the wool fiber to form raw material fiber pulp;
(2) allowing the raw material fiber slurry obtained in the step (1) to flow into a forming machine for carding, dehydrating on a forming net to form a fiber net, and carrying out spunlace pre-entanglement and spunlace entanglement reinforcement on the formed wet fiber net by using a high-pressure pre-spunlace head to obtain a fiber material;
(3) preparing a root canal disinfection medicament according to a conventional pharmaceutical method for later use;
(4) and (3) uniformly mixing the root canal disinfection medicament obtained in the step (3) and the fiber material obtained in the step (2) and processing the mixture into a solid and conical root canal disinfection core.
As a preferred embodiment of the present invention, the endodontic disinfectant is a solid-state drug.
As a preferred embodiment of the present invention, the endodontic core is a solid, tapered endodontic core having an overall length of 20 to 30 mm.
As a preferred embodiment of the present invention, the root canal sterilizing core for facilitating clinical practice has an overall length of 20 to 30mm, and has ten size specifications, size one: the diameter of the tip is 0.17mm, and the taper is 6%; and (2) size two: the diameter of the tip is 0.25mm, and the taper is 6%; the size is three: the diameter of the tip is 0.30mm, and the taper is 6%; the size is four: the diameter of the tip is 0.40mm, and the taper is 6%; and (5) size five: the diameter of the tip is 0.50mm, and the taper is 6%; the size is six: the diameter of the tip is 0.17mm, and the taper is 4%; the size is seven: the diameter of the tip is 0.25mm, and the taper is 4%; the size is eight: the diameter of the tip is 0.30mm, and the taper is 4%; the size is nine: the diameter of the tip is 0.40mm, and the taper is 4%; size ten: the diameter of the tip is 0.50mm, and the taper is 4%. The root canal disinfection core corresponds to the specification of a root canal enlarging apparatus used clinically, and is convenient to put in and take out.
The invention has the advantages that:
1. the root canal disinfectant is prepared by mixing a fiber material with one or more of calcium hydroxide preparation, iodoform preparation, phenolic aldehyde preparation or antibiotic preparation, and is processed into the conical root canal disinfectant core convenient for clinical operation, and the root canal disinfectant core has the advantages of sterility, strong disinfection capability, strong moisture absorption capability, smooth appearance, easiness in entering into a root canal, and no reduction in strength and toughness after moisture absorption;
in addition, the root canal disinfection core has simple structure, convenient manufacture, convenient and safe use, can simplify clinical operation, improve the root canal disinfection effect, shorten the root canal treatment time and is greatly helpful for the recovery of patients;
moreover, the root canal disinfection core has reasonable design of size, specification and model, is matched with an expansion needle, a root canal file and a gutta-percha point of the international ISO standard, does not cause discomfort to a patient, is convenient for medical personnel to put the root canal of the patient and is convenient and fast to use;
2. in the process of preparing the fiber material, firstly, because the chitin fiber material is unstable in moisture regain, a method of drying in advance is adopted in the preparation process; secondly, the chitin fiber is easy to break in the processing process, so that the processing technology of low speed and small drafting is adopted, and the reasonable technological method enables the performance of the root tube disinfection core to be more excellent, and further promotes the patient to recover the health more quickly;
in addition, the chitin fiber has the advantages of easy degradation, antibiosis, deodorization and no toxicity, the bamboo fiber has good moisture absorption, antibiosis and bacteriostasis effects, and the wool fiber has the advantages of good moisture absorption, good elasticity and good heat preservation. The fiber material with excellent performance is finally prepared by selecting the materials and proper proportion and combining with a processing technology matched with the materials, and the material combines with the root canal disinfection medicine to help a patient to quickly recover the health in the process of the root canal treatment of the patient.
3. The root canal disinfection core is simple in structure, convenient to prepare, reasonable in size and specification design, convenient to use, capable of simplifying operation flow, reducing economic burden of patients, remarkable in effect in root canal treatment, capable of being well applied to clinic and good in application prospect.
Drawings
FIG. 1 is a schematic structural view of a root canal sterilizing core of the present invention for facilitating clinical operation. The root canal disinfection core convenient for clinical operation has the overall length of 20-30mm, and has ten dimensions, namely the size I: the diameter of the tip is 0.17mm, and the taper is 6%; and (2) size two: the diameter of the tip is 0.25mm, and the taper is 6%; the size is three: the diameter of the tip is 0.30mm, and the taper is 6%; the size is four: the diameter of the tip is 0.40mm, and the taper is 6%; and (5) size five: the diameter of the tip is 0.50mm, and the taper is 6%; the size is six: the diameter of the tip is 0.17mm, and the taper is 4%; the size is seven: the diameter of the tip is 0.25mm, and the taper is 4%; the size is eight: the diameter of the tip is 0.30mm, and the taper is 4%; the size is nine: the diameter of the tip is 0.40mm, and the taper is 4%; size ten: the diameter of the tip is 0.50mm, and the taper is 4%. The root canal disinfection core corresponds to the specification of a root canal enlarging apparatus used clinically, and is convenient to put in and take out.
Fig. 2 is a schematic view showing a state of use of the present invention, in which a hatched portion represents a root canal core for facilitating clinical operation according to the present invention. When in use, the root canal disinfection core is tightly attached to the wall of the root canal cavity in the tooth, can kill bacteria on the wall of the root canal cavity and absorb liquid components such as moisture, harmful secretion and the like in the root canal cavity.
Detailed Description
The invention will be further illustrated with reference to specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications can be made by those skilled in the art after reading the disclosure of the present invention, and equivalents fall within the scope of the appended claims.
In the following examples, chitin fibers, bamboo fibers and wool fibers were purchased from Qingdao Hailan biologicals Ltd.
EXAMPLE 1 raw Material composition of fibrous Material
Taking the following raw materials in parts by weight: 40 parts of bamboo fiber, 20 parts of chitin fiber and 20 parts of wool fiber.
Example 2 raw material composition of fibrous Material
Taking the following raw materials in parts by weight: 30 parts of bamboo fiber, 10 parts of chitin fiber and 30 parts of wool fiber.
Example 3 raw material composition of fibrous Material (III)
Taking the following raw materials in parts by weight: 50 parts of bamboo fiber, 30 parts of chitin fiber and 10 parts of wool fiber.
Example 4 raw material composition of fibrous Material (IV)
Taking the following raw materials in parts by weight: 30 parts of bamboo fiber, 30 parts of chitin fiber and 10 parts of wool fiber.
Example 5 raw material composition of fibrous Material (V)
Taking the following raw materials in parts by weight: 50 parts of bamboo fiber, 10 parts of chitin fiber and 30 parts of wool fiber.
Example 6 raw material composition of fibrous Material (VI)
Taking the following raw materials in parts by weight: 35 parts of bamboo fiber, 15 parts of chitin fiber and 25 parts of wool fiber.
Example 7 raw material composition of fibrous Material (seven)
Taking the following raw materials in parts by weight: 45 parts of bamboo fiber, 25 parts of chitin fiber and 15 parts of wool fiber.
EXAMPLE 8 raw Material composition of fibrous Material (eight)
Taking the following raw materials in parts by weight: 35 parts of bamboo fiber, 25 parts of chitin fiber and 15 parts of wool fiber.
Example 9 raw material composition of fibrous Material (nine)
Taking the following raw materials in parts by weight: 45 parts of bamboo fiber, 15 parts of chitin fiber and 25 parts of wool fiber.
EXAMPLE 10 root canal sterilizing core (I) of the present invention
(1) Taking raw materials according to the raw material composition of the fiber material in any one of embodiments 1-9, firstly drying the chitin fiber to make the moisture regain of the chitin fiber about 10%, and then mixing the bamboo fiber, the dried chitin fiber and the wool fiber to form raw material fiber pulp;
(2) the raw material fiber pulp obtained in the step (1) flows into a forming machine for carding, a fiber net is formed on the forming net through dehydration, and the formed wet fiber net is subjected to spunlace pre-entanglement and spunlace entanglement reinforcement by using a high-pressure pre-spunlace head to obtain a fiber material;
(3) preparing a root canal disinfectant by a conventional pharmaceutical method, wherein the root canal disinfectant is a mixture of phenolic aldehyde paste, iodoform paste and calcium hydroxide paste for later use;
(4) and (3) uniformly mixing the root canal disinfection medicament obtained in the step (3) with the fiber material obtained in the step (2) and processing the mixture into a solid and conical root canal disinfection core, wherein the whole length of the root canal disinfection core is 25mm, the diameter of the tip is 0.17mm, and the conicity is 6%.
EXAMPLE 11 root canal sterilizing core (II) of the present invention
(1) Taking raw materials according to the raw material composition of the fiber material in any one of embodiments 1-9, firstly drying the chitin fiber to make the moisture regain of the chitin fiber about 10%, and then mixing the bamboo fiber, the dried chitin fiber and the wool fiber to form raw material fiber pulp;
(2) the raw material fiber pulp obtained in the step (1) flows into a forming machine for carding, a fiber net is formed on the forming net through dehydration, and the formed wet fiber net is subjected to spunlace pre-entanglement and spunlace entanglement reinforcement by using a high-pressure pre-spunlace head to obtain a fiber material;
(3) preparing an endodontic disinfectant by a conventional pharmaceutical method, wherein the endodontic disinfectant is a mixture of a phenolic paste and an antibiotic paste for later use;
(4) and (3) uniformly mixing the root canal disinfection medicine obtained in the step (3) with the fiber material obtained in the step (2) and processing the mixture into a solid conical root canal disinfection core, wherein the whole length of the root canal disinfection core is 25mm, the tip diameter is 0.17mm, and the taper is 6%.
EXAMPLE 12 root canal sterilizing core (III) of the present invention
(1) Taking raw materials according to the raw material composition of the fiber material in any one of embodiments 1-9, firstly drying the chitin fiber to make the moisture regain of the chitin fiber about 10%, and then mixing the bamboo fiber, the dried chitin fiber and the wool fiber to form raw material fiber pulp;
(2) the raw material fiber pulp obtained in the step (1) flows into a forming machine for carding, a fiber net is formed on the forming net through dehydration, and the formed wet fiber net is subjected to spunlace pre-entanglement and spunlace entanglement reinforcement by using a high-pressure pre-spunlace head to obtain a fiber material;
(3) preparing a root canal disinfection medicament according to a conventional pharmaceutical method, wherein the root canal disinfection medicament is a mixture of phenolic aldehyde paste, iodoform paste and antibiotic paste for later use;
(4) and (3) uniformly mixing the root canal disinfection medicine obtained in the step (3) with the fiber material obtained in the step (2) and processing the mixture into a solid and conical root canal disinfection core, wherein the whole length of the root canal disinfection core is 25mm, the diameter of the tip is 0.17mm, and the taper is 6%.
Example 13 clinical test and Effect evaluation
1 data of
1.1 general data
220 patients are selected to be seen in a hospital from 2016 to 2018 in 8 months, and are divided into four groups by a random digital table method, wherein the four groups are respectively a treatment group, a treatment group and a control group. Before treatment, four groups of patients have no significant difference in sex, age, disease course and the like, and have good balance among the groups and comparability.
1.2 diagnostic criteria
Diagnosis standard of pulp necrosis:
(1) acute pulpitis: acute paroxysmal pain is manifested at night, especially in suppurative pulpitis, which is aggravated by thermal stimulation, and cold water is sucked to relieve pain, so patients often fail to locate the pain and radiate to the half lateral side.
(2) Chronic pulpitis: the spontaneous pain of the affected teeth, which is caused by the repeated attacks, is mostly developed by the decayed teeth. Manifested as dull pain or bite pain, often causes pain when subjected to temperature stimuli or food inserted into the cavity.
1.3 inclusion criteria
(1) The dental pulp necrosis diagnostic standard is met;
(2) the age is 18-60 years, and male and female are not limited;
(3) the subject signs an informed consent.
1.4 rejection criteria:
cases that were misincorporated without meeting inclusion criteria; cases that were not treated with the study protocol after inclusion, although meeting inclusion criteria; the abscission cases stopped in the middle of the test due to non-curative effect reasons and adverse reactions; adding other medicines; the data is not complete and cannot be counted.
1.5 termination and withdrawal of clinical trial criteria: other diseases appear in the test, affecting the test performers; other situations are not foreseeable.
2 method
2.1 methods of treatment
Treatment one group was given the following treatments: the first step is as follows: performing a preoperative assessment of the endodontic procedure, medullary cavity preparation and working length determination on the patient; the second step is that: root canal preparation, including enlargement of the root canal, is performed according to conventional treatment methods; the third step: root canal disinfection: (1) taking raw materials according to the raw material composition of the fiber material in the embodiment 1, firstly drying the chitin fiber to enable the moisture regain to be about 10%, and then mixing the bamboo fiber, the dried chitin fiber and the wool fiber to form raw material fiber pulp; (2) the raw material fiber pulp obtained in the step (1) flows into a forming machine for carding, a fiber net is formed on the forming net through dehydration, and the formed wet fiber net is subjected to spunlace pre-entanglement and spunlace entanglement reinforcement by using a high-pressure pre-spunlace head to obtain a fiber material; (3) preparing a mixture of phenolic aldehyde paste, iodoform paste and calcium hydroxide paste according to a conventional pharmaceutical method for later use; (4) uniformly mixing the root canal disinfection medicine obtained in the step (3) with the fiber material obtained in the step (2), processing the mixture into a solid and conical root canal disinfection core, putting the solid and conical root canal disinfection core into the root canal of a patient according to a conventional disinfection method for one week, and taking the root canal disinfection core out after one week; the fourth step: root canal filling is carried out according to the conventional operation method. After the treatment is finished, the state of illness of the patient is recorded.
Treatment two groups were given the following treatments: the first step is as follows: performing a preoperative assessment of the endodontic procedure, medullary cavity preparation and working length determination on the patient; the second step is that: root canal preparation, including enlargement of the root canal, is performed according to conventional treatment methods; the third step: root canal disinfection: (1) taking raw materials according to the raw material composition of the fiber material in the embodiment 2, firstly drying the chitin fiber to enable the moisture regain to be about 10%, and then mixing the bamboo fiber, the dried chitin fiber and the wool fiber to form raw material fiber pulp; (2) allowing the raw material fiber slurry obtained in the step (1) to flow into a forming machine for carding, dehydrating on a forming net to form a fiber net, and carrying out spunlace pre-entanglement and spunlace entanglement reinforcement on the formed wet fiber net by using a high-pressure pre-spunlace head to obtain a fiber material; (3) preparing a mixture of phenolic aldehyde paste, iodoform paste and calcium hydroxide paste according to a conventional pharmaceutical method for later use; (4) uniformly mixing the root canal disinfection medicine obtained in the step (3) with the fiber material obtained in the step (2), processing the mixture into a solid and conical root canal disinfection core, putting the solid and conical root canal disinfection core into the root canal of a patient according to a conventional disinfection method for one week, and taking the root canal disinfection core out after one week; the fourth step: root canal filling is carried out according to the conventional operation method. After the treatment is finished, the state of illness of the patient is recorded.
Treatment three groups were given the following treatments: the first step is as follows: performing a preoperative assessment of the endodontic procedure, medullary cavity preparation and working length determination on the patient; the second step is that: root canal preparation, including enlargement of the root canal, is performed according to conventional treatment methods; the third step: root canal disinfection: (1) the weight ratio is as follows: taking 40 parts of bamboo fibers and 20 parts of wool fibers as raw materials, and mixing the bamboo fibers and the wool fibers to form raw material fiber pulp; (2) allowing the raw material fiber slurry obtained in the step (1) to flow into a forming machine for carding, dehydrating on a forming net to form a fiber net, and carrying out spunlace pre-entanglement and spunlace entanglement reinforcement on the formed wet fiber net by using a high-pressure pre-spunlace head to obtain a fiber material; (3) preparing a mixture of phenolic aldehyde paste, iodoform paste and calcium hydroxide paste according to a conventional pharmaceutical method for later use; (4) uniformly mixing the root canal disinfection medicine obtained in the step (3) with the fiber material obtained in the step (2), processing the mixture into a solid and conical root canal disinfection core, putting the solid and conical root canal disinfection core into the root canal of a patient according to a conventional disinfection method for one week, and taking the root canal disinfection core out after one week; the fourth step: root canal filling is carried out according to the conventional operation method. After the treatment is finished, the state of illness of the patient is recorded.
The control group was given the following treatments: the first step is as follows: performing a preoperative assessment of the endodontic procedure, medullary cavity preparation and working length determination on the patient; the second step is that: root canal preparation, including enlargement of the root canal, is performed according to conventional treatment methods; the third step: root canal disinfection: directly placing the camphor phenol into the root canal of a patient according to a conventional dosage, wherein the placing time is one week, and taking out the camphor phenol after one week; the fourth step: root canal filling is carried out according to the conventional operation method. After the treatment is finished, the state of illness of the patient is recorded.
It should be noted that the root canal sterilizing core of the present invention is a disposable product.
The root canal disinfection cores used in the first, second and third groups of treatment are all root canal disinfection cores with the whole length of 25mm, the diameter of the tip of 0.17mm and the taper of 6%.
After the root canal sterilizing cores for the first, second and third groups are used, the root canal sterilizing cores are taken out of the oral cavity of a patient and discarded.
2.2 Scoring criteria
(1) Acute pain at night: occasionally, 2 points; frequently occurring, 4 points; continuously exist for 6 points.
(2) Pain feeling when encountering heat: occasionally, 2 points; frequently occurring, 4 points; continuously exist for 6 points.
(3) And (3) feeling of cold and pain: occasionally, 2 points; frequently occurring, 4 points; continuously exist for 6 points.
(4) Bite pain sensation: occasionally, 2 points; frequently occurring, 4 points; continuously exist for 6 points.
(5) Pain sensation can not be positioned and radiated to the half lateral part: occasionally, 2 points; frequently occurring, 4 points; persisting, affecting work, 6 points.
2.3 therapeutic efficacy criteria
The efficacy index (pre-treatment score-post-treatment score)/pre-treatment score was calculated from the pre-and post-treatment scores.
And (3) healing: the integral value is reduced by more than 95 percent after treatment, and symptoms such as severe pain feeling at night disappear;
the effect is shown: the integral value is reduced by 70 to 95 percent after treatment, and symptoms such as severe pain feeling at night and the like are obviously improved;
the method has the following advantages: the integral value is reduced by 30 to 70 percent after treatment, and symptoms such as severe pain feeling at night are relieved;
and (4) invalidation: the integral value after treatment is reduced by less than 30 percent, and symptoms such as severe pain feeling at night and the like are not obviously improved.
3 results
The treatment results are shown in table 1, 8 patients are cured by one treatment group, 18 patients are obviously effective, 29 patients are effective, 2 patients are ineffective, and the total effective rate is 96.49%; the two groups of the treatment are cured for 7 cases, the obvious effect is 15 cases, the effective cases are 28 cases, the ineffective cases are 5 cases, and the total effective rate is 90.91 percent, the three groups of the treatment are cured for 5 cases, the obvious effect is 18 cases, the effective cases are 25 cases, the ineffective cases are 8 cases, and the total effective rate is 85.71 percent; the control group is cured by 5 cases, the obvious effect is 11 cases, the effective effect is 12 cases, the ineffective effect is 24 cases, and the total effective rate is 53.85 percent. The total effective rate of a group of the treated root canal sterilizing cores is obviously higher than that of a control group, which shows that the root canal sterilizing core convenient for clinical operation has the obvious effect of treating the pulp necrosis. The total effective rate of the first group of the root canal sterilizing core is better than that of the second group of the root canal sterilizing core, which shows that the proportion of each fiber raw material in the root canal sterilizing core is in a certain range, and the root canal sterilizing core has the obvious effect of treating the pulp necrosis. Compared with the three treatment groups, the total effective rate of the treatment group is better than that of the treatment group, which shows that the chitin cellulose plays an indispensable role in the fiber material composition.
TABLE 1 comparison of the efficacy of four groups of patients after one week of treatment
| Group of | Number of examples | Recovery method | Show effect | Is effective | Invalidation | Total effective rate |
| Control group | 52 | 5 | 11 | 12 | 24 | 53.85％ |
| Treatment of a group | 57 | 8 | 18 | 29 | 2 | 96.49％ |
| Two groups of treatment | 55 | 7 | 15 | 28 | 5 | 90.91％ |
| Three groups of treatment | 56 | 5 | 18 | 25 | 8 | 85.71％ |
The root canal disinfection core convenient for clinical operation has good treatment effect on pulp necrosis of adults and women of different ages, and the effective rate is higher than 96%.
The invention adopts the fiber material to wrap the root canal disinfection medicine, the fiber material selects proper raw materials and the proportion thereof, and the obtained root canal disinfection core has the advantages of sterility, strong disinfection capability, strong moisture absorption capability, smooth appearance, easy entering into the root canal, and no reduction of the strength and the toughness after moisture absorption.
Because the material of the root canal sterilizing core has the advantages of smooth appearance and easy entry into the root canal, the use is convenient, the pain feeling to the patient is not caused, secondly, because of the strong moisture absorption capability, the residual liquid and the waste liquid generated in the root canal can be quickly absorbed during the treatment period, which helps the patient to recover as soon as possible, and moreover, because of the advantage that the strength and the toughness are not reduced after moisture absorption, therefore, in the using process, the problems that the root canal disinfection core becomes soft and crisp in the root canal after moisture absorption, and further the root canal disinfection core in the root canal is ulcerated, needs to be taken out and put disinfection medicine into the root canal again are avoided, which reduces the workload for workers, for patients, the treatment effect is improved, the treatment time is shortened, the recovery of the patients is helped, simultaneously, the waste of resources is avoided, but also reduces the economic burden of the patient and has strong practicability and good application prospect.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and additions can be made without departing from the principle of the present invention, and these should also be considered as the protection scope of the present invention.
Claims (7)
1. The root canal disinfection core convenient for clinical operation is characterized by being prepared from a fiber material and a root canal disinfection medicament, wherein the fiber material is prepared from the following raw materials in parts by weight: 40 parts of bamboo fiber, 20 parts of chitin fiber and 20 parts of wool fiber, wherein the root canal disinfection drug is selected from one or more of calcium hydroxide preparation, phenolic aldehyde preparation, iodoform preparation and antibiotic preparation, and the preparation method of the root canal disinfection core comprises the following steps:
(1) taking the raw materials according to the proportion, drying the chitin fiber, and then mixing the bamboo fiber, the dried chitin fiber and the wool fiber to form raw material fiber pulp;
(2) the raw material fiber pulp obtained in the step (1) flows into a forming machine for carding, a fiber net is formed on the forming net through dehydration, and the formed wet fiber net is subjected to spunlace pre-entanglement and spunlace entanglement reinforcement by using a high-pressure pre-spunlace head to obtain a fiber material;
(3) preparing a root canal disinfection medicament according to a conventional pharmaceutical method for later use;
(4) and (3) uniformly mixing the root canal disinfection medicament obtained in the step (3) and the fiber material obtained in the step (2) and processing the mixture into a solid and conical root canal disinfection core.
2. The endodontic core according to claim 1, wherein said endodontic drug is a solid drug.
3. The endodontic core according to claim 2, wherein the solid drug is a paste, a powder or a slurry.
4. The endodontic core according to claim 1, wherein the endodontic core is a solid, tapered endodontic core having an overall length of 20 to 30 mm.
5. The method for preparing a root canal sterilizing core for facilitating clinical practice according to claim 1, wherein the method comprises the steps of:
(1) taking raw materials according to the mixture ratio of claim 1, drying the chitin fiber, and then mixing the bamboo fiber, the dried chitin fiber and the wool fiber to form raw material fiber pulp;
(2) the raw material fiber pulp obtained in the step (1) flows into a forming machine for carding, a fiber net is formed on the forming net through dehydration, and the formed wet fiber net is subjected to spunlace pre-entanglement and spunlace entanglement reinforcement by using a high-pressure pre-spunlace head to obtain a fiber material;
(3) preparing a root canal disinfection medicament according to a conventional pharmaceutical method for later use;
(4) and (3) uniformly mixing the root canal disinfection medicament obtained in the step (3) and the fiber material obtained in the step (2) and processing the mixture into a solid and conical root canal disinfection core.
6. The method of claim 5, wherein the endodontic disinfectant is a solid-state drug.
7. The method according to claim 5, wherein the endodontic core is a solid, tapered endodontic core having an overall length of 20 to 30 mm.
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| CN110548081A (en) * | 2019-10-22 | 2019-12-10 | 上海中医药大学附属岳阳中西医结合医院 | traditional Chinese medicine composition for treating acute mastitis as well as preparation method and application thereof |
| CN114288042B (en) * | 2021-12-29 | 2024-07-23 | 复旦大学附属中山医院 | Root canal filling core for layered medicine carrying and slow releasing |
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