CN212679294U - Lingual device for orthodontic retention and periodontal splinting - Google Patents
Lingual device for orthodontic retention and periodontal splinting Download PDFInfo
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- CN212679294U CN212679294U CN202021124522.XU CN202021124522U CN212679294U CN 212679294 U CN212679294 U CN 212679294U CN 202021124522 U CN202021124522 U CN 202021124522U CN 212679294 U CN212679294 U CN 212679294U
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Abstract
The utility model discloses a lingual device for orthodontic retention and periodontal retaining splints; the upper jaw part comprises a first fixing part and a pair of first guide parts, the first fixing part is used for fitting the maxillary anterior teeth and the dental crown lingual sides of the maxillary canine teeth and the maxillary first molar teeth on two sides of the maxillary anterior teeth, one end of each first guide part is connected to one side of the first fixing part close to the maxillary first molar teeth, and the other end of each first guide part extends to the occlusal surface of the maxillary first molar teeth along the dental crown of the maxillary first molar teeth; the lower jaw part comprises a second fixing part and a pair of second guiding parts, the second fixing part is used for being attached to the lower jaw front teeth and the dental crowns and the lingual sides of the lower jaw front teeth and the lower jaw first molars on two sides of the lower jaw front teeth, one end of each second guiding part is connected to the position, close to the lower jaw first molars, on one side of the second fixing part, and the other end of each second guiding part extends to the occlusal surface of the lower jaw first molars along the dental crowns of the lower jaw first molars. The tongue side device of this scheme is convenient for oral hygiene to maintain and clinical accurate location bonds.
Description
Technical Field
The utility model belongs to the technical field of the medical treatment, more specifically relates to a lingual side device that is used for just abnormal maintenance and periodontal splint.
Background
After orthodontic treatment, periodontal tissue reconstruction, soft tissue function, and growth and development factors affect the treatment, and the treatment tends to recur, and it is usually necessary to wear a retainer after the treatment is completed in order to maintain a good orthodontic effect. The common retainer types are divided into a movable retainer and a fixed retainer, wherein the fixed retainer mainly adopts a lingual retainer, has the characteristics of good aesthetic property, independence of the cooperation of patients and effective prevention of crowding of anterior teeth and relapse of tooth extraction gaps, and in addition, the lingual retainer can also play a role of a periodontal splint for orthodontic patients with periodontitis, but the existing lingual retainer has the problems of being not good for oral hygiene, complicated in bending process, dependent on the experience of doctors in clinical positioning, easy to fall off and the like.
Therefore, it is expected to develop a lingual device for orthodontic retention and periodontal pockets splints and a method for manufacturing the lingual device, which has a simple structure, a strong adhesive force, and a simple clinical use, to increase the ability of teeth to withstand the forces of the teeth, and to further improve the comfort, treatment effect, and prognosis effect of the patient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a lingual side device and preparation method for just abnormal maintenance and periodontal splint, the oral hygiene of being convenient for maintains and clinical accurate location bonds, increases bonding area, improves bonding strength simultaneously, and the optimizing apparatus improves patient's comfort level at intraoral stability, and simple structure, is convenient for clinically develop the use.
In order to achieve the above object, the present invention provides a lingual device for orthodontic retention and periodontal retaining splint, comprising: upper and lower jaw portions;
the upper jaw part comprises a first retention part and a pair of first guide parts, the first retention part is used for fitting the maxillary anterior teeth and the dental crown lingual sides of the maxillary canine teeth and the maxillary first molar teeth on two sides of the maxillary anterior teeth, one end of each first guide part is connected to one side of the first retention part close to the maxillary first molar teeth, and the other end of each first guide part extends to the occlusal surface of the maxillary first molar teeth along the dental crown of the maxillary first molar teeth;
the lower jaw part comprises a second fixing part and a pair of second guiding parts, the second fixing part is used for being attached to the lower jaw front teeth and the dental crown lingual sides of the lower jaw canine teeth and the lower jaw first molar on two sides of the lower jaw front teeth, one end of each second guiding part is connected to the position, close to the lower jaw first molar, on one side of the second fixing part, and the other end of each second guiding part extends to the occlusal surface of the lower jaw first molar along the dental crown of the lower jaw first molar.
Optionally, the first retainer and the second retainer are each semi-circular in transverse cross-section, including a straight side for engaging a crown and an arcuate side facing the lingual side;
the linear side surfaces of the first retainer and the second retainer are granular, and the arc side surfaces are smooth.
Optionally, the one end of each of the first guide portions is connected to a proximal part of a first maxillary molar on the side of the first retention portion, and the other end extends to a distal socket of the first maxillary molar along a central sulcus of the first maxillary molar occlusal surface.
Alternatively, the one end of each of the first guide parts is connected to the maxillary first molar lingual side on the side of the first fixture, and the other end extends along the maxillary first molar crown to the central sulcus of the maxillary first molar occlusal surface.
Optionally, the one end of each of the second guide portions is attached to a lower jaw first molar lingual side on the side of the second retention portion, and the other end extends along the lower jaw first molar crown to a central sulcus of the lower jaw first molar occlusal surface.
Alternatively, the first retainer is integrally formed with the pair of first guide portions, and the second retainer is integrally formed with the pair of second guide portions.
Optionally, the first retainer and the second retainer have a width of 0.8-1.2 mm and a thickness of 0.4-1.0 mm.
Optionally, the width of the first guiding portion at the connection with the first retaining portion is 0.4mm to 0.6mm, the thickness of the first guiding portion is 0.4mm to 0.6mm, and the thickness of the second guiding portion is the same as that of the second retaining portion.
Optionally, the upper jaw and the lower jaw are made of alloy.
The utility model also provides a manufacturing method for making foretell lingual side device that is used for just abnormal maintenance and periodontal splint, including the following step:
1) acquiring scanning data of a patient oral cavity or an oral cavity model;
2) establishing a virtual dental model containing the crowns and occlusion relations of the upper and lower teeth of the patient according to the scanning data;
3) respectively establishing virtual models of the upper jaw part and the lower jaw part on the dental model according to the shape of an arch;
4) outputting three-dimensional image data of the virtual models of the upper jaw part and the lower jaw part, and preparing the upper jaw part and the lower jaw part according to the three-dimensional image data;
5) and polishing and grinding the upper jaw part and the lower jaw part to ensure that the surface exposed in the oral cavity of the patient is fine and smooth.
Optionally, the step 2) includes:
and inputting the scanning data into medical image processing and three-dimensional design software to establish a virtual dental model containing the crowns and occlusion relations of the upper and lower teeth of the patient.
Optionally, the step 3) includes:
3.1) establishing a virtual model of a first retaining part at the lingual side of the maxillary dental crown according to the shape of the maxillary dental arch;
3.2) establishing a virtual model of a pair of first guiding parts on the virtual model of the first fixing part to form a maxilla part;
3.3) establishing a virtual model of a second retaining part at the lingual side of the lower jaw dental crown according to the shape of the lower jaw dental arch;
3.4) establishing a virtual model of the pair of second guiding parts on the virtual model of the second retaining part to form the lower jaw part.
Optionally, the step 4) includes:
4.1) outputting three-dimensional image data of the virtual models of the upper jaw part and the lower jaw part in an STL format;
4.2) inputting the three-dimensional image data into a 3D printer;
4.3) through the 3D printer prints the maxilla reaches the mandibular part.
Optionally, the step 5) includes:
5.1) polishing and grinding the upper jaw part and the lower jaw part by using No. 320, No. 600, No. 800 and No. 1000 waterproof abrasive paper in sequence;
and 5.2) polishing by using the woolen cloth and the alumina aqueous suspension.
The beneficial effects of the utility model reside in that: when the dental arch positioning device is used, the upper jaw part and the lower jaw part are respectively placed on the dental arch according to the positioning of the first guide part and the second guide part, the fluid resin is used for marking the tooth-tongue side surface of the root side of the upper jaw part, the upper jaw part is taken out, the first guide part is ground by a needle and then is positioned again according to the marked position, and finally, the upper jaw part and the lower jaw part are fixed on the corresponding dental arch by using the light-cured resin, so that the accurate positioning is realized, and the bonding difficulty is reduced. The utility model is beneficial to the accurate positioning and bonding in clinic and the maintenance of oral hygiene, and simultaneously, the individualized design is adopted to be inosculated with the dental crown of a patient, thereby increasing the bonding area, improving the bonding strength and optimizing the stability of the device in the mouth; and simple structure has improved patient's comfort level, is convenient for clinically develop the use.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout the exemplary embodiments of the present invention.
Fig. 1 shows a schematic block diagram of a lingual device for orthodontic retention and periodontal splinting according to an embodiment of the invention.
Fig. 2 shows a schematic block diagram of a lingual arrangement for orthodontic retention and periodontal splinting according to another embodiment of the invention.
Description of the reference numerals
1. A first retainer; 2. a first guide portion; 3. a second retainer; 4. a second guide portion.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The utility model discloses a lingual side device that is used for just abnormal maintenance and periodontal splint, include: upper and lower jaw portions;
the upper jaw part comprises a first fixing part and a pair of first guide parts, the first fixing part is used for fitting the maxillary anterior teeth and the dental crown lingual sides of the maxillary canine teeth and the maxillary first molar teeth on two sides of the maxillary anterior teeth, one end of each first guide part is connected to one side of the first fixing part close to the maxillary first molar teeth, and the other end of each first guide part extends to the occlusal surface of the maxillary first molar teeth along the dental crown of the maxillary first molar teeth;
the lower jaw part comprises a second fixing part and a pair of second guiding parts, the second fixing part is used for being attached to the lower jaw front teeth and the dental crowns and the lingual sides of the lower jaw front teeth and the lower jaw first molars on two sides of the lower jaw front teeth, one end of each second guiding part is connected to the position, close to the lower jaw first molars, on one side of the second fixing part, and the other end of each second guiding part extends to the occlusal surface of the lower jaw first molars along the dental crowns of the lower jaw first molars.
Specifically, when the dental arch positioning device is used, the upper jaw part and the lower jaw part are respectively placed on the dental arch according to the positioning of the first guide part and the second guide part, the fluid resin is used for marking the tooth-tongue side surface of the root side of the upper jaw part, the upper jaw part is taken out, the first guide part is ground by a needle and then is positioned again according to the marked position, and finally, the upper jaw part and the lower jaw part are fixed on the corresponding dental arch by using the light-cured resin, so that the accurate positioning is realized, and the bonding difficulty is reduced. The utility model discloses be favorable to clinical accurate location bonding and oral hygiene to be maintained, adopt individualized design and patient's dental crown coincide simultaneously, increase the bonding area, improve the adhesion strength, optimize the device at intraoral stability, and simple structure, improved patient's comfort level, the clinical use of developing of being convenient for.
Furthermore, the first fixing part and the second fixing part are arranged to cross the space between teeth, so that the occlusion of the discharge overflow channel between teeth can be avoided.
Alternatively, the transverse cross section of the first retainer and the transverse cross section of the second retainer are both semicircular and comprise a straight line side and an arc line side, wherein the straight line side is used for being jointed with the dental crown, and the arc line side faces the tongue side;
the straight line side surfaces of the first retainer and the second retainer are granular, and the arc line side surfaces are smooth.
Specifically, the above-described transverse cross section refers to a cross section perpendicular to the longitudinal direction of the first retainer (or the second retainer).
Furthermore, one side surface of the first retention part and the second retention part is designed to be a plane and provided with particles, the surfaces can be matched with resin to be tightly adhered to the lingual side of the dental crown, and the other side surface is designed to be an arc and smooth surface, so that the dental crown is convenient to clean.
Alternatively, one end of each first guide part is connected to the proximal part of the first molar of the upper jaw on one side of the first retention part, and the other end of each first guide part extends to the distal socket of the occlusal surface of the first molar of the upper jaw along the central sulcus of the occlusal surface of the first molar of the upper jaw.
Alternatively, one end of each of the first guide portions is connected to the maxillary first molar lingual side on the side of the first fixture portion, and the other end extends along the maxillary first molar crown to the central sulcus of the maxillary first molar occlusal surface.
Specifically, when one end of the first guide portion is connected to the maxillary first molar lingual side on the first retention portion side, the connection point is located at a position one-third away from the maxillary first molar on the maxillary first molar lingual side.
Further, the accurate location of realization that the mode of setting up of above-mentioned two kinds of first guide portions homoenergetic is quick can be selected according to patient's dental crown shape and oral cavity situation are nimble when specifically using.
Alternatively, each of the second guide portions has one end connected to a lingual side of the lower jaw first molar on the side of the second retaining portion and the other end extending along a crown of the lower jaw first molar to a central sulcus of the occlusal surface of the lower jaw first molar.
Specifically, the central sulcus extending to the lower jaw first molar occlusal surface does not influence occlusion, and can play a positioning role.
Alternatively, the first retainer is integrally formed with the pair of first guides, and the second retainer is integrally formed with the pair of second guides.
Specifically, the lingual device of this scheme is according to patient's dental arch data, through 3D printing technology integrated into one piece after computer design, highly agrees with patient's dental arch shape, has further improved intraoral stability.
Alternatively, the first retainer and the second retainer have a width of 0.8mm to 1.2mm and a thickness of 0.4mm to 1.0 mm.
Specifically, the width refers to a distance between a side edge of the first retainer (or the second retainer) near the tooth root and a side edge near the occlusal surface, and the thickness refers to a distance between a lingual surface and a coronal surface of the first retainer (or the second retainer).
When the lingual device is used as an orthodontic retainer, the thickness of the first retainer and the second retainer is 0.4-0.7 mm; when the lingual device of the present embodiment is used as a periodontal splint, the first retainer and the second retainer have a thickness of 0.6mm to 1.0 mm.
Alternatively, the first guiding part and the first retention part are connected by a width of 0.4 mm-0.6 mm and a thickness of 0.4 mm-0.6 mm, and the second guiding part and the second retention part are the same in thickness.
Specifically, the first guide portion is not easily worn out when it is used, so that the thickness is not excessively large, so that much time is consumed when it is worn out, and the second guide portion is always connected to the teeth when it is used, so that a certain strength is provided, and thus the thickness is set to be the same as the thickness of the second retainer portion.
Alternatively, the upper jaw part and the lower jaw part are made of alloy.
The utility model also discloses a manufacturing method for making foretell tongue side device that is used for just abnormal maintenance and periodontal fixed splint, including following step:
1) acquiring scanning data of a patient oral cavity or an oral cavity model;
2) establishing a virtual dental model containing the crowns and occlusion relations of the upper and lower teeth of the patient according to the scanning data;
3) respectively establishing virtual models of the upper jaw part and the lower jaw part on the dental jaw model according to the shape of the dental arch;
4) outputting three-dimensional image data of the virtual models of the upper jaw part and the lower jaw part, and preparing the upper jaw part and the lower jaw part according to the three-dimensional image data;
5) polishing and grinding the upper jaw and the lower jaw to ensure that the surface exposed in the oral cavity of the patient is fine and smooth.
Specifically, the lingual device manufactured by the method can be highly matched with the dental arch of a patient, so that the comfort of the patient is improved, the bonding difficulty is reduced, the clinical accurate positioning bonding is facilitated, the bonding area is increased, the bonding strength is improved, and the stability of the device in the mouth is optimized.
Furthermore, scanning data are obtained by adopting intraoral direct scanning or model scanning, so that the process is reduced, and the method is quick and accurate
Alternatively, step 2) comprises:
the scan data is input into medical image processing and three-dimensional design software to create a virtual dental model containing the crowns and occlusal relationships of the upper and lower teeth of the patient.
Alternatively, step 3) comprises:
3.1) establishing a virtual model of a first retaining part at the lingual side of the maxillary dental crown according to the shape of the maxillary dental arch;
3.2) establishing a virtual model of a pair of first guiding parts on the virtual model of the first fixing part to form a maxilla part;
3.3) establishing a virtual model of a second retaining part at the lingual side of the lower jaw dental crown according to the shape of the lower jaw dental arch;
3.4) establishing a virtual model of the pair of second guiding parts on the virtual model of the second retaining part to form the lower jaw part.
Alternatively, step 4) comprises:
4.1) outputting three-dimensional image data of the virtual models of the upper jaw part and the lower jaw part in an STL format;
4.2) inputting the three-dimensional image data into a 3D printer;
4.3) printing the upper jaw part and the lower jaw part by a 3D printer.
In particular, selective laser cladding techniques or other 3D printing techniques are used.
Alternatively, step 5) comprises:
5.1) polishing the upper jaw part and the lower jaw part by using No. 320, No. 600, No. 800 and No. 1000 waterproof abrasive paper in sequence;
and 5.2) polishing by using the woolen cloth and the alumina aqueous suspension.
Example 1
Fig. 1 shows a schematic block diagram of the lingual device for orthodontic retention and periodontal splint of the present embodiment.
As shown in fig. 1, the lingual device for orthodontic retention and periodontal ligament splint is made of an alloy material, and includes:
the upper jaw part comprises a first retaining part 1 and a pair of first guide parts 2 which are integrally formed, the first retaining part 1 is attached to the maxillary anterior tooth and the dental crown and lingual side of the maxillary canine teeth and the maxillary first molar teeth on two sides of the maxillary anterior tooth, one end of each first guide part 2 is connected to the mesial position of the maxillary first molar tooth on one side of the first retaining part 1, and the other end of each first guide part 2 extends to the distal socket of the maxillary first molar occlusal surface along the central groove of the maxillary first molar occlusal surface;
the lower jaw part comprises a second retaining part 3 and a pair of second guiding parts 4 which are integrally formed, the second retaining part 3 is attached to the lingual side of the lower jaw canine teeth and the lower jaw first molar teeth on two sides of the lower jaw anterior teeth and the lower jaw anterior teeth, one end of each second guiding part 4 is connected to the lingual side of the lower jaw first molar teeth on one side of the second retaining part 3, and the other end extends to the central sulcus of the occlusal surface of the lower jaw first molar teeth along the crowns of the lower jaw first molar teeth.
The transverse sections of the first retainer 1 and the second retainer 3 are semicircular and comprise a straight line side and an arc line side, the straight line side surfaces of the first retainer 1 and the second retainer 3 are granular and are used for being attached to the dental crown, and the arc line side surfaces are smooth and face the lingual side;
the first retainer 1 and the second retainer 3 have a width of 1mm, a thickness of 0.4mm to 0.7mm when used as an orthodontic retainer, and a thickness of 0.6mm to 1.0mm when used as a periodontal splint, and the first guide 2 has a width of 0.5mm at a connection with the first retainer 1 and a thickness of 0.5mm, and the second guide 4 has the same thickness as the second retainer 3.
When using, place upper jaw and lower jaw part on the dental arch according to the location of first guide portion and second guide portion respectively, not adhere earlier, do 2 ~ 4 location buttons as the location mark back in the gum side of first retainer portion with fluid resin after putting, take out upper jaw, grind back according to the position once more that marks with the car needle and fix a position after removing first guide portion, use light-cured resin with upper jaw, lower jaw maintenance on corresponding dental arch at last, realize accurate positioning, reduce the bonding degree of difficulty.
The method for manufacturing the lingual device for orthodontic retention and periodontal ligament splint comprises the following steps:
1) acquiring scanning data of a patient oral cavity or an oral cavity model;
2) inputting the scanning data into medical image processing and three-dimensional design software (3 shape-application Designer) to establish a virtual dental model containing the crowns and occlusion relations of the upper and lower teeth of the patient;
3) establishing a virtual model of a first retaining part at the lingual side of the maxillary dental crown according to the shape of the maxillary dental arch;
4) establishing a virtual model of a pair of first guide parts on the virtual model of the first fixing part to form a maxilla part;
5) establishing a virtual model of a second retaining part at the lingual side of the lower jaw dental crown according to the shape of the lower jaw dental arch;
6) establishing a virtual model of a pair of second guide parts on the virtual model of the second retainer part to form a lower jaw part;
7) outputting three-dimensional image data of the virtual models of the upper jaw part and the lower jaw part in an STL format;
8) inputting three-dimensional image data into a 3D printer;
9) printing the upper jaw part and the lower jaw part through a 3D printer;
10) polishing the lingual sides of the upper jaw part and the lower jaw part by using No. 320, No. 600, No. 800 and No. 1000 waterproof abrasive paper in sequence;
11) and polishing the polished part by using the woolen cloth and the alumina water suspension.
If the lingual appliance is lost, it can be remanufactured as described above.
Through personalized design, addition of the guide part and improvement of surface roughness, the lingual device is more beneficial to oral hygiene maintenance and clinical accurate positioning and bonding; meanwhile, the personalized design is adopted to increase the bonding area, improve the bonding strength and optimize the stability of the device in the mouth; simple structure, patient's comfort level is good and be convenient for clinically develop the use.
Example 2
Fig. 2 shows a schematic block diagram of the lingual means for orthodontic retention and periodontal splint of the present embodiment.
As shown in fig. 2, the present embodiment is different from embodiment 1 in that one end of each first guide part 2 is connected to the maxillary first molar lingual side on the first retainer 1 side and the other end extends along the maxillary first molar crown to the central sulcus of the maxillary first molar occlusal surface.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (9)
1. A lingual device for orthodontic retention and periodontal splinting comprising: upper and lower jaw portions;
the upper jaw part comprises a first retention part and a pair of first guide parts, the first retention part is used for fitting the maxillary anterior teeth and the dental crown lingual sides of the maxillary canine teeth and the maxillary first molar teeth on two sides of the maxillary anterior teeth, one end of each first guide part is connected to one side of the first retention part close to the maxillary first molar teeth, and the other end of each first guide part extends to the occlusal surface of the maxillary first molar teeth along the dental crown of the maxillary first molar teeth;
the lower jaw part comprises a second fixing part and a pair of second guiding parts, the second fixing part is used for being attached to the lower jaw front teeth and the dental crown lingual sides of the lower jaw canine teeth and the lower jaw first molar on two sides of the lower jaw front teeth, one end of each second guiding part is connected to the position, close to the lower jaw first molar, on one side of the second fixing part, and the other end of each second guiding part extends to the occlusal surface of the lower jaw first molar along the dental crown of the lower jaw first molar.
2. The lingual device for orthodontic retention and periodontal splinting of claim 1 wherein the transverse cross-section of the first and second retainers is semi-circular, comprising a straight side for engaging the crown and an arcuate side facing the lingual side;
the linear side surfaces of the first retainer and the second retainer are granular, and the arc side surfaces are smooth.
3. The lingual device for orthodontic retention and periodontal splinting according to claim 1, wherein said one end of each of said first guides is connected to the upper first molar mesial on the side of said first retainers and said other end extends along the central sulcus of the upper first molar occlusal surface to the distal socket of the upper first molar occlusal surface.
4. The lingual device for orthodontic retention and periodontal splinting according to claim 1, wherein said one end of each of said first guides is attached to a maxillary first molar lingual side on a side of said first retainers, and said other end extends along said maxillary first molar crown to a central sulcus of said maxillary first molar occlusal surface.
5. The lingual device for orthodontic retention and periodontal splinting according to claim 1, wherein said one end of each of said second guides is attached to a lingual side of a lower jaw first molar on a side of said second fixture, and said other end extends along a crown of said lower jaw first molar to a central sulcus of a occlusal surface of said lower jaw first molar.
6. The lingual device for orthodontic retention and periodontal splinting of claim 1 wherein the first retainer is integrally formed with the pair of first guides and the second retainer is integrally formed with the pair of second guides.
7. The lingual device for orthodontic retention and periodontal splinting according to claim 1, wherein the first and second retainers have a width of 0.8-1.2 mm and a thickness of 0.4-1.0 mm.
8. The lingual device for orthodontic retention and periodontal splinting of claim 1 wherein the first guide portion has a width of 0.4mm to 0.6mm and a thickness of 0.4mm to 0.6mm at a junction with the first retainer portion, and the second guide portion has the same thickness as the second retainer portion.
9. The lingual device for orthodontic retention and periodontal splinting according to claim 1 wherein the material of the maxilla and mandible is an alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021124522.XU CN212679294U (en) | 2020-06-17 | 2020-06-17 | Lingual device for orthodontic retention and periodontal splinting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021124522.XU CN212679294U (en) | 2020-06-17 | 2020-06-17 | Lingual device for orthodontic retention and periodontal splinting |
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| CN212679294U true CN212679294U (en) | 2021-03-12 |
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| CN202021124522.XU Active CN212679294U (en) | 2020-06-17 | 2020-06-17 | Lingual device for orthodontic retention and periodontal splinting |
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