CN211723482U

CN211723482U - Growth improvement type condylar malformation postoperative interlock is rebuild and is rescued ware

Info

Publication number: CN211723482U
Application number: CN201922494171.5U
Authority: CN
Inventors: 柳大为; 李晶; 余婷婷; 闫惠淳
Original assignee: Peking University School of Stomatology
Current assignee: Peking University School of Stomatology
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-23
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a post-operation occlusion reconstruction appliance for growing improved condylar deformity, which comprises a healthy side balance occlusion pad, an affected side vertical occlusion pad, a base, a snap ring and an arch expander; the base support is split into two symmetrical parts in the middle part and consists of an affected side base support and a healthy side base support, and the affected side base support and the healthy side base support are connected through the arch expander; a healthy side balance occlusion pad is arranged on the healthy side base support; the affected side base support is provided with an affected side vertical occlusion pad; the base is fixedly arranged on the upper jaw first molars at two sides by using the clamping rings respectively; the healthy side balance occlusion pad and the affected side vertical occlusion pad adopt asymmetric design, and the thickness of the affected side vertical occlusion pad is higher than that of the healthy side balance occlusion pad. The utility model discloses a to replacing the tooth phase, the post-surgical patient of condylar malformation uses asymmetric interlock piece, interlock inclined plane and leads and sprouts the cap, and the effect of furthest performance interlock induction and growth improvement, the interlock function resumes to be good.

Description

Growth improvement type condylar malformation postoperative interlock is rebuild and is rescued ware

Technical Field

The utility model relates to an oral medical instrument field, more specifically is a growth improvement type condylar malformation postoperative interlock is rebuild and is rescued ware.

Background

All mandibular fractures, the incidence of mandibular fracture in children is less than 15%; but in children's mandibular fracture, condylar fractures are common, accounting for 24% -72%. When children are in the growth and development stage, if the condylar fracture is not properly treated, the temporomandibular joint rigidity and the occlusion relation disorder can be caused, and even the development of the mandible and the maxillofacial region of the children is seriously influenced. The existing conservative treatment method adopts an occlusal pad type appliance to treat the condylar fracture of the child to obtain good curative effect, but the problems to be solved are as follows: inducing the mandibular condyle to return to a normal physiological anatomical position for remodeling and healing; the distance between the condylar broken end and the mandibular ascending branch broken end is reduced, and healing is promoted; stabilize the fracture end and avoid further damage to soft tissues such as joint ligaments and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a growth improvement type condyle malformation postoperative interlock is rebuild and is rescued ware. By adopting the measures of the asymmetric occlusal block, the occlusal inclined plane, the eminence guiding cap and the like, the maxillary bone and upper dental arch stenosis of the child can be improved, different vertical distances can be opened on the left side and the right side of the child, the adjustment of the vertical distance of a patient after the condylar fracture and fracture operation can be facilitated, the position of the fractured end can be corrected, the pressure of the condylar process can be relieved, and the healing of the condylar process can be promoted.

In order to realize the purpose of the utility model, the utility model adopts the following technical proposal: the utility model provides a ware is rescued in postoperative interlock of growth improvement type condylar malformation, the device include healthy side balanced interlock pad, suffer from the perpendicular interlock pad of side, base support, snap ring and expand the bow ware, the base support splits into the two parts of symmetry in the centre part, comprises suffer from side base support and healthy side base support, suffers from the side base support and is connected through expanding the bow ware with healthy side base support, is provided with healthy side balanced interlock pad on healthy side base support, suffers from to be provided with on the side base support and suffers from the perpendicular interlock pad of side, and the base support uses the snap ring to keep somewhere in the first molar of both sides upper jaw respectively.

Preferably, the healthy side balance occlusion pad and the affected side vertical occlusion pad are designed asymmetrically, and the thickness of the affected side vertical occlusion pad is 4-8mm higher than that of the healthy side balance occlusion pad.

Preferably, the affected side vertical occlusion pad is provided with an occlusion inclined plane matched with the mesial teeth in the edentulous space, and the occlusion inclined plane and the occlusion plane form an angle of 45-60 degrees.

Preferably, the perpendicular interlock pad of affected side corresponds the tooth and closes the face and be provided with the leading of matching tooth and sprout the cap, and the degree of depth is less than 5mm to do benefit to the correct direction of sprouting of induced tooth.

Preferably, the expander is in the form of an expander spring or a helical expander.

Preferably, the snap ring is in the form of an arrow snap ring. The occlusion inclined plane is directly bonded and firmly fixed on the vertical occlusion pad at the affected side by adopting a glass ionomer cement material.

Preferably, the length and width dimensions of the germination cap are 10mm × 8mm when the germination of molars is induced.

Preferably, when the eruption cap induces eruption of the canine teeth, the length and width dimensions are set to be 8mm × 7 mm.

Preferably, the side walls of the germination cap are inclined at an angle of 10-15 ° to the vertical.

Preferably, the guiding cap is arranged on the lower jaw tooth fitting surface or/and the upper jaw tooth fitting surface.

The utility model discloses the beneficial effect who gains does:

aiming at the tooth replacement stage, a patient after the condylar malformation is fixed on teeth through a clamping ring, and the tooth replacement fixture is suitable for the early stage of deciduous teeth and tooth replacement; the upper jaw bone and upper dental arch stenosis of the children patients can be improved by adjusting the expansion arch; the design of the double occlusal blocks has the advantages that the two sides of the double occlusal blocks can be designed to have different heights, so that the left side and the right side of a patient can be opened by different vertical distances, the adjustment of the vertical distance of a patient after the condylar fracture and fracture operation is facilitated, the position of the fractured end is facilitated to be corrected, the pressure of the condylar process is relieved, and the healing of the condylar process is promoted. Under the condition of defect of the lower jaw of the affected side for replacing teeth or multiple dental caries to damage the tooth body, the occlusal block is provided with a guide inclined plane matched with the teeth in the gap between the missing teeth, which is beneficial to maintaining the protrusive position of the lower jaw of the affected side and helps the recovery after the condylar fracture operation; the matching guiding and germinating cap is arranged on the closed surface of the double-jaw teeth corresponding to the affected side upper jaw appliance, so that the vertical distance of the affected side is favorably maintained, and the upper and lower jaw teeth of the affected side are guided to be closed on the basis.

Drawings

Fig. 1 is a schematic view of an occlusal surface of the present invention;

fig. 2 is a schematic diagram of a right-view structure according to the present invention;

fig. 3 is a left side view schematic according to the present invention.

In the figure: 1. a side-healthy balanced bite pad; 2. the affected side is vertically occluded with the pad; 3. a snap ring; 4. a bow expander; 5. An occlusion slope; 6. a sprout guiding cap; 7. a mandibular molar guiding cap; 8. a maxillary canine tooth guiding cap; 11. strengthening the side base; 12. the affected side base support.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings.

For increasing the distance between the base plate about, realize that the base plate width expands, as shown in fig. 1, 2, 3, the utility model discloses a ware is rescued in occlusion reconstruction after growth improvement type condylar malformation, the device includes: healthy side balanced interlock pad 1, sick side perpendicular interlock pad 2, base support, snap ring 3 and expand bow ware 4, the base support splits into two symmetrical parts in the centre part, by healthy side base support 11 with suffer from the side base support 12 and constitute, healthy side base support 11 with suffer from the side base support 12 pass through expand bow ware 4 and be connected, healthy side balanced interlock pad 1 is provided with on healthy side base support 11, suffer from the side perpendicular interlock pad 2 is provided with on suffer from the side base support 12, the base support uses snap ring 3 is fixed in the first molar of both sides upper jaw respectively, snap ring 3 adopts the form of arrow head snap ring, healthy side balanced interlock pad 1 and suffer from the side perpendicular interlock pad 2 adopt asymmetric design, suffer from the side perpendicular interlock pad 2 thickness and be higher than healthy side balanced interlock pad 1 and be 4-8mm, can correct the lower jaw chin skew, and rise suffer from the side perpendicular distance, reach and stretch the growth improvement effect that the sick side condyle promotes to grow. The expander 4 may be in the form of an expander spring or a helical expander.

In an embodiment of the present invention, as shown in fig. 1 and 2, the affected side vertical occlusion pad 2 is provided with an occlusion inclined plane 5 matching with the mesial tooth in the gap between the missing teeth, the occlusion inclined plane 5 and the occlusion plane form 45-60 °, so as to achieve the purpose of raising the vertical distance of the affected side, and at the same time, the occlusion inclined plane is used to promote the forward growth of the lower jaw, the occlusion inclined plane 5 is directly bonded and fixed on the affected side vertical occlusion pad 2 by using the glass ion cement material, so as to enhance the retention and make the occlusion pad not easy to loosen.

In an embodiment of the utility model, as shown in fig. 1, the perpendicular interlock pad 2 of affected side corresponds the tooth and closes the face and is provided with the cap 6 that sprouts of leading of matching teeth, and the degree of depth is less than 5mm to do benefit to the correct direction of sprouting of induced tooth, thereby make the permanent tooth carry out the interlock under the guide of leading the cap 6 and establish at this jaw position, the direction of sprouting and the perpendicular distance of sprouting of permanent tooth have the space guarantee, finally make the permanent tooth can sprout in place, reach final treatment purpose.

Different technical scheme who leads the cap of sprouting 6 of different usage is different, according to the patient's condition, lead the cap of sprouting 6 and set up in lower jaw tooth closed surface or upper jaw tooth closed surface to guide corresponding permanent tooth correct growth, as shown in figure 2, be provided with simultaneously lower jaw molar and lead the cap of sprouting 7 and upper jaw cuspid tooth and lead cap of sprouting 8, the lower jaw molar that the induced molar was sprouted leads the cap of sprouting 7, length and width size sets up to 10mm 8mm, the upper jaw cuspid that the induced cuspid was sprouted leads the cap of sprouting 8, length and width size sets up to 8mm 7mm, lead the inclination of cap lateral wall and perpendicular line and become 10-15.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described herein, numerous other variations and modifications can be made in accordance with the principles of the invention without departing from the spirit and scope of the invention, which is to be determined directly from the disclosure of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims

1. A post-operation occlusion reconstruction appliance for growing improved condylar deformity is characterized by comprising a healthy side balance occlusion pad (1), an affected side vertical occlusion pad (2), a base, a snap ring (3) and an arch expander (4); the base support is split into two symmetrical parts in the middle part and consists of a healthy side base support (11) and an affected side base support (12), and the healthy side base support (11) is connected with the affected side base support (12) through the arch expander (4); a healthy side balance occlusion pad (1) is arranged on the healthy side base (11); the affected side base support (12) is provided with an affected side vertical occlusion pad (2); the base supports are respectively fixed on the upper jaw first molar teeth on two sides by using the clamping rings (3); the healthy side balance occlusion pad (1) and the affected side vertical occlusion pad (2) adopt asymmetric design, and the thickness of the affected side vertical occlusion pad (2) is 4-8mm higher than that of the healthy side balance occlusion pad (1).

2. The occlusal reconstruction appliance of claim 1, wherein the affected side vertical occlusal pad (2) is provided with an occlusal bevel (5) matching the mesial teeth in the edentulous space, the occlusal bevel (5) being at an angle of 45-60 ° to the occlusal plane.

3. The occlusal reconstruction appliance according to claim 1, wherein the affected side vertical occlusal pad (2) is provided with an eruption guiding cap (6) matching with teeth corresponding to the occlusal surface of the teeth, the depth is less than 5mm, so as to facilitate the correct eruption direction of the induced teeth.

4. The bite reconstruction appliance of claim 1, wherein the expander (4) is in the form of an expander spring or a helical expander.

5. The bite reconstruction appliance of claim 1, wherein the clasp (3) is in the form of an arrow head clasp.

6. The bite reconstruction appliance of claim 2, wherein the bite slope (5) is directly bonded and fixed to the affected vertical bite pad (2) by using a glass ionomer cement material.

7. The appliance of claim 3, wherein the cap (6) induces eruption of molars, the length and width dimensions being 10mm x 8 mm.

8. The appliance of claim 3, wherein the length and width dimensions of the eruption guiding cap (6) are set to 8mm x 7mm to induce eruption of cuspids.

9. The bite reconstruction appliance of claim 3, wherein the side walls of the guided emergence cap (6) are inclined at an angle of 10-15 ° to the vertical.

10. The bite reconstruction appliance of claim 3, wherein the sprout guide cap (6) is provided on the lower or/and upper jaw occlusal surfaces.