Simple bonding method for accurate positioning of bracket

Abstract

The invention discloses a simple bonding method for accurate positioning of a bracket, and relates to the technical field of orthodontics, and the simple bonding method specifically comprises the following steps: S1, preparing a dentition plaster model; s2, bracket positioning: precisely positioning the bracket for fixing the appliance on the dentition plaster model; during positioning, a marginal ridge positioning method and a positioning method for finding a clinical dental crown center are adopted to accurately position the bracket position; s3, bonding the bracket; s4, manufacturing a bracket transfer guide plate; s5, cleaning the bracket; s6, treating a dental surface; according to the method, the bracket is pre-positioned and pre-mounted on the dentition plaster model of the patient, and then the bracket is mounted on the dental surface of the patient by using the transfer guide plate, so that visual and tactile restrictions caused by direct operation in the oral cavity of the patient can be greatly reduced; the bracket positioning and mounting precision and bracket mounting efficiency are improved, the treatment time is greatly shortened, and the treatment time of a patient is shortened.

Description

Technical Field

[0001] The present invention relates to the technical field of orthodontics, and particularly relates to a simple bonding method for accurate positioning of brackets. Background Art

[0002] Tooth malformation, that is, abnormal growth phenomena of teeth in terms of arrangement, size, angle, etc., is a common oral problem among people in today's society. It not only affects an individual's appearance, but also has potential hazards to oral health, overall health and even mental health. For example, tooth malformation can lead to impaired oral health, resulting in crowded and misaligned teeth, making it difficult to carry out cleaning work, and it is easy to accumulate food residues, thus inducing problems such as dental caries and periodontal diseases.

[0003] At present, traditional fixed orthodontic methods and invisible orthodontic methods can be used to treat tooth malformation. Among them, the traditional fixed orthodontic method is to bond metal or ceramic brackets and arch wires to teeth, and use external forces to move the positions of teeth so as to achieve the purpose of treating tooth malformation. In the traditional fixed orthodontic method, the accurate positioning and installation of brackets are crucial. The accurate positioning and installation of brackets directly affect the accuracy and efficiency of orthodontic treatment. If the brackets are not bonded accurately, it may lead to the direction and speed of tooth movement not meeting the expectations, thus prolonging the treatment time or affecting the final treatment effect. For example, if the position of the bracket is offset, it may cause the wrong direction of tooth movement and affect the reconstruction of the occlusion relationship. In addition, insecure bonding of the brackets may also cause the brackets to fall off, affecting the treatment process.

[0004] At present, most medical staff directly operate on the tooth surfaces of patients to bond the brackets. When directly operating in the patient's oral cavity, the doctor's vision and touch may be restricted to a certain extent, such as insufficient light and narrow oral cavity space. These factors may all affect the accuracy of bracket positioning. During the operation process, the doctor may produce human errors due to factors such as experience, technique or attention, resulting in the position of the bracket deviating from the ideal position. Moreover, directly positioning and bonding the brackets on the patient's tooth surfaces usually takes a long time, because the doctor needs to repeatedly adjust the position and angle of the brackets to ensure their accuracy and stability, which may increase the patient's treatment time and reduce the treatment efficiency. Some medical staff will use digital bracket bonding guides to bond the brackets. Although digital bracket bonding guides have the advantages of fast bonding and accurate positioning, their costs are expensive and the processing cycle is long. Therefore, they are generally only supplied in a few cities and are not widely used. Subsequently, there is an urgent need in clinical practice for a bracket bonding method with accurate positioning, convenient operation and affordable price. For this reason, those skilled in the art have proposed a simple bonding method for accurate positioning of brackets. Summary of the Invention

[0005] The object of the present invention is to provide a simple bonding method for accurate bracket positioning to solve the above deficiencies in the prior art.

[0006] To achieve the above object, the present invention provides the following technical solution: A simple bonding method for accurate bracket positioning, specifically including the following steps:

[0007] S1. Fabricate a dental cast model. First, apply silicone rubber material on the tray, then cover the tray with a plastic separator film to make it adhere to the impression material. Place the tray in the patient's mouth to take an impression of the patient's teeth. After waiting for the silicone rubber impression material to cure, remove the tray, remove the separator film, and then trim the silicone rubber impression to obtain a preliminary impression. Then, based on the preliminary impression, perform a light-body impression and trimming, and then pour gypsum material into the silicone rubber impression to obtain a dental cast model.

[0008] S2. Bracket positioning. Then, accurately position the brackets of the fixed orthodontic appliance on the dental cast model.

[0009] When positioning, use the marginal ridge positioning method and the method of finding the center of the clinical crown to accurately position the bracket position.

[0010] S3. Bracket bonding. Then, use white glue to bond the brackets at the positions on the dental cast model selected through bracket positioning.

[0011] S4. Fabrication of the bracket transfer guide plate. First, apply a gypsum release agent on the surface of the dental cast model, then dry the dental cast model, and then use hot melt adhesive to fabricate a transfer guide plate to separate the brackets from the dental cast model.

[0012] S5. Bracket cleaning. Then, clean the residual white glue on the outer surface of the brackets with alcohol.

[0013] S6. Tooth surface treatment. First, polish the patient's tooth surface, then rinse and dry the patient's tooth surface, and then perform acid etching on each tooth surface of the patient. After that, thoroughly rinse the patient's tooth surface with clean water and then dry the patient's tooth surface to keep the tooth surface dry.

[0014] S7. Bracket bonding. Then, assist through the transfer guide plate to bond the brackets to the patient's tooth surface.

[0015] Preferably, when applying the silicone rubber on the tray in S1, the silicone rubber needs to be evenly applied on the tray to ensure that there is enough silicone rubber material covering around the dental arch, and the material at the end of the tray needs to overflow a little to ensure that the complete tooth shape of the patient can be obtained when taking an impression of the dental arch.

[0016] Preferably, the light-body impression step in S1 is as follows: First, evenly inject the light-body material onto the tooth surface and gaps of the preliminary impression, ensuring complete coverage of the entire crown and gingival margin. Then, re-place the tray in the patient's mouth to ensure that the light-body material fully flows into the pits and fissures of the teeth and the gingival margin. After waiting for the light-body silicone impression material to cure, remove the tray.

[0017] Preferably, the marginal ridge positioning method in S2 is to determine the bracket height and position based on the clinical crown length of the first molar.

[0018] Preferably, the method for locating the center of the clinical crown in S2 targets the anterior teeth, premolars, and molars.

[0019] Preferably, in the method for locating the center of the clinical crown, for the anterior teeth and premolars, find the middle position in the mesiodistal direction on the buccal surface of the crown as the position of the bracket; for the molars, find the buccal groove as the position of the bracket.

[0020] Preferably, the steps for fabricating the transfer guide plate using hot melt adhesive in S4 are as follows: First, coat the outer surface of the bracket with hot melt adhesive, and then wait for the hot melt adhesive to cool and cure.

[0021] Preferably, the polishing treatment of the tooth surface in S6 is to polish the patient's tooth surface using a rubber cup dipped in polishing paste.

[0022] Preferably, the etching treatment time in S6 is 30 seconds.

[0023] Preferably, the time for thoroughly rinsing each tooth surface with clean water in S6 is longer than the etching treatment time.

[0024] Compared with the prior art, a simple bonding method for precise positioning of brackets provided by the present invention pre-positions and pre-installs brackets on the dental plaster model of the patient first, and then installs the brackets on the tooth surface of the patient by using a transfer guide plate. This can greatly reduce the visual and tactile limitations during direct operation in the patient's oral cavity, improve the accuracy of bracket positioning and installation, and the bracket installation efficiency. When directly installing brackets on the tooth surface of the patient, the doctor may be affected by various factors, such as light, angle, hand stability, etc., thus increasing human error. While operating on the plaster model, these factors can be effectively avoided, reducing errors. It can reduce complications caused by improper bracket position, such as fenestration and dehiscence. At the same time, precise bracket positioning also helps to reduce the risk of bracket detachment and improve the treatment success rate. Secondly, since most of the operations have been completed on the dental plaster model, the doctor then installs the already positioned brackets on the tooth surface of the patient through the transfer guide plate, thus greatly shortening the treatment time and reducing the patient's treatment time. Finally, when directly installing brackets on the tooth surface of the patient, the patient may feel pain, discomfort or tension. While operating on the plaster model and then installing the brackets through the transfer guide plate can reduce these discomforts and enhance the patient's treatment experience. Description of the Drawings

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings.

[0026] Figure 1 It is a flowchart of the bracket bonding method provided by the embodiment of the present invention. Detailed Embodiments

[0027] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the following will further introduce the present invention in detail with reference to the drawings.

[0028] Embodiment 1:

[0029] Please refer to Figure 1 , a simple bonding method for precise positioning of brackets, specifically including the following steps:

[0030] S1. Fabricate a dental cast model. First, apply silicone rubber material onto the tray, then cover the tray with a plastic separator film to make it adhere to the impression material. Place the tray in the patient's mouth to take an impression of the patient's teeth. After waiting for the silicone rubber impression material to cure, remove the tray and the separator film. Then, trim the silicone rubber impression to obtain a preliminary impression. After that, perform a light-body impression and trimming on the basis of the preliminary impression, and then pour gypsum material into the silicone rubber impression to obtain a dental cast model;

[0031] S2. Bracket positioning. Then, accurately position the brackets of the fixed orthodontic appliance on the dental cast model;

[0032] When positioning, use the marginal ridge positioning method and the method of finding the center of the clinical crown to accurately position the bracket;

[0033] S3. Bracket bonding. Then, use white glue to bond the brackets at the positions on the dental cast model selected through bracket positioning;

[0034] S4. Fabrication of a bracket transfer guide. First, apply a gypsum separating agent on the surface of the dental cast model, then dry the dental cast model. Then, use hot melt adhesive to fabricate a transfer guide to detach the brackets from the dental cast model;

[0035] S5. Bracket cleaning. Then, clean the residual white glue on the outer surface of the brackets with alcohol;

[0036] S6. Tooth surface treatment. First, polish the patient's tooth surface, then rinse and dry the patient's tooth surface, and then perform acid etching on each tooth surface of the patient. After that, thoroughly rinse the patient's tooth surface with water and then dry the patient's tooth surface to keep the tooth surface dry;

[0037] S7. Bracket bonding. Then, assist by the transfer guide to bond the brackets to the patient's tooth surface.

[0038] When applying the silicone rubber onto the tray in S1, it is necessary to evenly apply the silicone rubber on the tray to ensure that there is enough silicone rubber material covering around the dental arch, and the material at the end of the tray needs to overflow a little to ensure that a complete dental arch shape of the patient can be obtained when taking an impression of the dentition.

[0039] The steps of the light-body impression in S1 are as follows: First, evenly inject the light-body material onto the tooth surfaces and gaps of the preliminary impression to ensure that the entire crown and gingival margin are covered. Then, place the tray back into the patient's mouth to ensure that the light-body material fully flows into the grooves and gingival margins of the teeth. After waiting for the light-body silicone rubber impression material to cure, remove the tray.

[0040] From the above, it can be seen that the accuracy of bracket installation can be improved by making a dental plaster model with silicone rubber, a tray and plaster, and then positioning and installing the bracket on the dental plaster model to pre-position the bracket, rather than directly positioning the bracket on the patient's tooth surface.

[0041] Embodiment 2: specifically comprises the following steps:

[0042] S1. Prepare a dental arch plaster model. First, apply silicone rubber material on a tray, then cover the tray with a plastic isolation film to make it adhere to the impression material, place the tray in the patient's mouth to make an impression of the patient's teeth, wait for the silicone rubber impression material to solidify, take out the tray, remove the isolation film, and then trim the silicone rubber impression to obtain a preliminary impression. Then, perform a light impression and trim it on the basis of the preliminary impression, and then pour the plaster material into the silicone rubber impression to obtain a dental arch plaster model.

[0043] S2, bracket positioning, then accurately positioning the bracket of the fixed orthodontic appliance on the dental plaster model;

[0044] When positioning, the bracket position is accurately located by using the marginal ridge positioning method and the method of finding the clinical crown center positioning method;

[0045] S3, bracket bonding, using white glue to bond the bracket to the position of the dentition plaster model selected by bracket positioning;

[0046] S4, making a bracket transfer guide, firstly applying a plaster release agent on the surface of the dental plaster model, then drying the dental plaster model, and then using hot melt adhesive to make a transfer guide to separate the bracket from the dental plaster model;

[0047] S5. Clean the bracket and then use alcohol to clean the white glue remaining on the outer surface of the bracket;

[0048] S6. Treatment of tooth surface: firstly, polish the tooth surface of the patient, then rinse and dry the tooth surface of the patient, then perform acid etching on each tooth surface of the patient, then rinse the tooth surface of the patient thoroughly with clean water, and then dry the tooth surface of the patient to keep the tooth surface dry;

[0049] S7, the bracket is bonded to the patient's tooth surface with the aid of a transfer guide.

[0050] The marginal ridge positioning method in S2 is to determine the bracket height and position according to the clinical crown length of the first molar.

[0051] The method for finding the clinical crown center positioning in S2 is aimed at the anterior teeth, premolars and molars.

[0052] In the described method for locating the center of the clinical crown, for anterior teeth and premolars, the middle position in the mesiodistal direction on the buccal surface of the crown is found and determined as the position of the bracket. For molars in the method for locating the center of the clinical crown, the buccal groove is found and determined as the position of the bracket.

[0053] The steps of making a transfer guide plate using hot melt adhesive in S4 are as follows: First, apply the hot melt adhesive on the outer surface of the bracket, and then wait for the hot melt adhesive to cool and solidify.

[0054] In S6, the polishing treatment of the tooth surface is to polish the patient's tooth surface using a rubber cup dipped in polishing paste.

[0055] In S6, the etching treatment time is 30 seconds.

[0056] In S6, the time for thoroughly rinsing each tooth surface with clean water is longer than the etching treatment time.

[0057] As can be seen from the above, on the dental cast model, the position of the bracket is located by the marginal ridge positioning method and the method for finding the center of the clinical crown, and the bracket is bonded to the dental cast model using white glue. Then, a gypsum separating agent is applied to the dental cast model, and a transfer guide plate is formed by covering the bracket with hot melt adhesive and cooling and solidifying it. After the bracket bonded to the gypsum dentition is detached, the residual white glue on the bracket is cleaned with alcohol. Then, the medical staff processes the patient's tooth surface, and finally, the bracket is bonded to the patient's tooth surface using the transfer guide plate.

[0058] Example 3:

[0059] Combining Example 1 and Example 2, when applying this method to an actual scenario, currently, when orthodontic treatment is performed on teeth, by bonding metal or ceramic brackets and arch wires to the teeth and using external forces to move the tooth positions for orthodontic treatment, it is very important to accurately locate the position of the bracket when installing a fixed orthodontic appliance. The installation position of the bracket will directly affect the final orthodontic effect of the teeth. Using this method, first, a dental cast model is made. On the dental cast model, the bracket is located by using the marginal ridge positioning method and the method for finding the center of the clinical crown, and the bracket is bonded to the dental cast model using white glue. Then, a transfer guide plate is made using sol and combined with a gypsum separating agent to detach the bracket from the dental cast model. After cleaning, etching treatment, and drying the patient's tooth surface, the bracket is installed on the patient's tooth surface using the transfer guide plate.

[0060] By using this method, the brackets are pre-positioned and pre-installed on the dental plaster model of the patient first, and then the brackets are installed on the patient's tooth surface by using a transfer guide plate. This can greatly reduce the visual and tactile limitations during the operation directly in the patient's oral cavity, improve the accuracy of bracket positioning and installation, and the bracket installation efficiency. When directly installing brackets on the patient's tooth surface, the doctor may be affected by various factors, such as light, angle, hand stability, etc., which increases human error. However, when operating on the plaster model, these factors can be effectively avoided, reducing errors, and reducing complications caused by improper bracket position, such as fenestration and dehiscence. At the same time, accurate bracket positioning also helps to reduce the risk of bracket detachment and improve the treatment success rate. Secondly, since most of the operations have been completed on the dental plaster model, the doctor then installs the already positioned brackets on the patient's tooth surface through the transfer guide plate, thus greatly shortening the treatment time and reducing the patient's treatment time. Finally, when directly installing brackets on the patient's tooth surface, the patient may feel pain, discomfort or tension. However, after operating on the plaster model and then installing the brackets through the transfer guide plate, these discomforts can be reduced, improving the patient's treatment experience.

[0061] The standard parts used in the present invention can all be purchased from the market. The special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, welding, etc. that are mature in the prior art. The machines, parts and equipment all adopt conventional models in the prior art. Coupled with the circuit connection adopting the conventional connection method in the prior art, details are not described herein. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0062] In the description of the present invention, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. The meaning of "a plurality" is two or more, unless otherwise specifically defined.

[0063] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "join", "fix", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0064] In the present invention, unless otherwise clearly specified or limited, a first feature being "on" or "under" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "over" and "on top of" a second feature may mean that the first feature is directly above or obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. A first feature being "under", "below" and "beneath" a second feature may mean that the first feature is directly below or obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0065] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not have to be directed to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0066] In the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are involved, and other structures can refer to the general design. Without conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

[0067] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A simple bonding method for accurate positioning of brackets, characterized in that: The specific steps include: S1. Prepare a dental arch plaster model. First, apply silicone rubber material on a tray, then cover the tray with a plastic isolation film to make it adhere to the impression material, place the tray in the patient's mouth to make an impression of the patient's teeth, wait for the silicone rubber impression material to solidify, take out the tray, remove the isolation film, and then trim the silicone rubber impression to obtain a preliminary impression. Then, perform a light impression and trim it on the basis of the preliminary impression, and then pour the plaster material into the silicone rubber impression to obtain a dental arch plaster model. S2, bracket positioning, then accurately positioning the bracket of the fixed orthodontic appliance on the dental plaster model; When positioning, the bracket position is accurately located by using the marginal ridge positioning method and the method of finding the clinical crown center positioning method; S3, bracket bonding, and then use white glue to bond the bracket to the position of the dentition plaster model selected by bracket positioning; S4, making a bracket transfer guide, firstly applying a plaster release agent on the surface of the dental plaster model, then drying the dental plaster model, and then using hot melt adhesive to make a transfer guide to separate the bracket from the dental plaster model; S5. Clean the bracket and then use alcohol to clean the white glue remaining on the outer surface of the bracket; S6. Treatment of tooth surface: firstly, polish the tooth surface of the patient, then rinse and dry the tooth surface of the patient, then perform acid etching on each tooth surface of the patient, then rinse the tooth surface of the patient thoroughly with clean water, and then dry the tooth surface of the patient to keep the tooth surface dry; S7, the bracket is bonded to the patient's tooth surface with the aid of a transfer guide.

2. A simple bonding method for accurate bracket positioning according to claim 1, characterized in that: When applying silicone rubber on the tray in S1, the silicone rubber needs to be evenly applied on the tray to ensure that there is enough silicone rubber material covering the dental arch. Some material needs to overflow at the end of the tray to ensure that the patient's complete dental shape can be obtained when taking a dental impression.

3. A simple bonding method for accurate bracket positioning according to claim 1, characterized in that: The light body impression step in S1 is: first, the light body material is evenly injected into the tooth surface and gap of the initial impression to ensure that the entire crown and gingival margin are covered, and then the tray is placed back in the patient's mouth to ensure that the light body material fully flows into the pits and fissures and gingival margin of the teeth, and then the tray is removed after the light body silicone rubber impression material is cured.

4. A simple bonding method for accurate bracket positioning according to claim 1, characterized in that: The marginal ridge positioning method in S2 is to determine the bracket height and position according to the clinical crown length of the first molar.

5. A simple bonding method for accurate bracket positioning according to claim 1, characterized in that: The method for finding the clinical crown center positioning in S2 is aimed at the anterior teeth, premolars and molars.

6. A simple bonding method for accurate bracket positioning according to claim 5, characterized in that: In the method for finding the clinical crown center positioning, for anterior teeth and premolars, the mesiodistal middle position of the buccal surface of the crown is determined as the position of the bracket. In the method for finding the clinical crown center positioning, for molars, the buccal groove is determined as the position of the bracket.

7. A simple bonding method for accurate bracket positioning according to claim 1, characterized in that: The step of making the transfer guide plate by using hot melt adhesive in S4 is as follows: firstly, the hot melt adhesive is coated on the outer surface of the bracket, and then the hot melt adhesive is cooled and solidified.

8. A simple bonding method for accurate bracket positioning according to claim 1, characterized in that: The polishing process of the tooth surface in S6 is to polish the patient's tooth surface by using a rubber cup dipped in polishing paste.

9. A simple bonding method for accurate bracket positioning according to claim 1, characterized in that: The acid etching treatment time in S6 is 30 seconds.

10. A simple bonding method for accurate bracket positioning according to claim 1, characterized in that: In S6, the time for thoroughly rinsing each tooth surface with clean water is longer than the acid etching time.

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