KR200398423Y1 - Dental prosthesis - Google Patents

Abstract

The present invention has an upper engaging surface that can be coupled with a plurality of pins on the upper inner end surface of a natural tooth (hereinafter referred to as a 'butt tooth'), so that the denture can be stably coupled and fixed between two abutments. The present invention relates to a dental prosthesis, which is inserted into a coupling groove formed in a denture extending horizontally on one side of the bracket and the other side of the bracket on the outer surface of the preparation tooth disposed adjacent to one side of the lost tooth portion. In the dental prosthesis is formed integrally to the insertion bar and the insertion bar is fixed, the side coupling surface is in close contact with the inner surface of the denture, the upper coupling surface bent from the upper end of the bracket is the upper one of the abutment A plurality of fixing pins that are seated in the grooves formed on the side and inserted into and coupled to the fixing holes previously drilled in the grooves are coupled to the upper portion That is formed in the features.

Description

Dental prosthesis {DENTAL PROSTHESIS}

The present invention relates to a dental prosthesis.

In particular, it is provided with a dental prosthesis having an upper coupling surface that can be coupled to a plurality of pins on the upper inner end surface of the preparation teeth, so that the dentures can be stably coupled and fixed between the two preparation teeth.

Normally, a normal person has 16 upper teeth and 16 lower teeth. The teeth generated during infancy are replaced with growth values as they enter the growth phase, and then oral activity is performed using the growth values for life. However, growth teeth may be damaged when one or more teeth due to various oral diseases, such as caries or gum disease. At this time, by applying a denture (보) through the prosthesis (補綴) as a method of restoring or treating the damaged tooth to replace the damaged tooth.

As the above-mentioned types of prostheses, when the one or two or more natural teeth are lost, the processed tooth is inserted into the lost part, and the abutment adjacent to the processed tooth is covered with a pipe to connect the crown and the processed tooth. A prosthesis that is permanently fixed in the oral cavity and a dental prosthesis that supports when one or more natural teeth are lost, that is, when the tooth itself is not lost and the supporting tissue associated with the tooth is lost. There are two types of dentures: local dentures and dentures, which are dentures made of various materials by artificial methods and means.

However, the above-described prostheses require a long procedure time, so patients are avoiding the procedure and feeling the burden of the cost due to the fear of the noise of the procedure machine rather than the pain of the hospital atmosphere or treatment. there was.

Accordingly, it is possible to perform the procedure in a short time and to solve the fear of the procedure, as well as to request a dental prosthesis that can reduce the cost of the procedure, according to the request as shown in FIG. Prosthetics have been produced.

The dental prosthesis is composed of a first support part 10 and a second support part 20 fixed to the abutment teeth 30 and 32 disposed on one side and the other side of the lost tooth, and the first support part 10 and the first support part 10. The denture 40 is formed between the two support portions 20.

In addition, the first support part 10 includes a first bracket 12 in which one side is in close contact with the outer surface of the preparation tooth 30 disposed adjacent to one side of the lost tooth portion, and the other side of the first bracket 12. A first insertion bar 14 extending horizontally and inserted into and fixed to the coupling groove 42 formed in the denture 40, and integrally formed in the first insertion bar 14, the inside of the denture 40 The side engaging surface 16 is brought into close contact with the side, and the fixing pin 18 is coupled to the groove previously drilled in the abutment 30. At this time, the first bracket 12 preferably has the same curvature as the outer peripheral surface of the preparation tooth 30.

Similar to the first support part 10, the second support part 20 also has a second bracket 22 and a second bracket (22) in which one side is in close contact with the outer surface of the preparation tooth 32 disposed adjacent to one side of the lost tooth part. 22 is formed integrally with the second insertion bar 24 and the second insertion bar 24 which are horizontally extended on the other side of the 22 and are inserted and fixed in the coupling groove 42 formed in the denture 40. The side engaging surface 26 is brought into close contact with the inner surface of the denture 40, and the fixing pin 28 is coupled to the fixing hole 36 drilled in advance on the abutment 32. At this time, the second bracket 22 preferably has the same curvature as the outer peripheral surface of the preparation tooth (32).

The denture 40 is mounted on the first support part 10 and the second support part 20 formed as described above.

The coupling groove 42 formed in the denture 40 is formed in the central portion of the side of the denture 40, and is formed upward from the lower end by approximately above the central portion.

In the case of replenishing the lost tooth using the dental prosthesis made as described above, the fixing pin 34 is formed at a predetermined position on the inner surface of the abutment teeth 30 and 32, and then the fixing pin 18 is fixed to the fixing hole 34. 28) to fix the first and second support portions 10 and 20 to the preparation teeth 30 and 32, respectively.

In addition, the insertion bars 14 and 24 of the first and second support parts 10 and 20 are inserted into the coupling grooves 44 of the denture 40, and then a force is applied from the upper side to the lower side of the denture 40. Coupling groove (42) of the lower to be coupled along the insertion bar (14, 24). At this time, the side engaging surfaces 16 and 26 formed integrally with the insertion bars 14 and 24 are in close contact with the inner surface of the denture 40 such that the insertion bars 14 and 24 are engaging grooves of the denture 40. The departure from (42) is prevented.

Then, the force applied from the upper side to the lower side is applied until the lower end of the denture 40 touches the gum.

However, the dental prosthesis as described above is coupled to the abutment tooth only with two fixing pins, so that the fixing pin may be separated from the abutment hole of the abutment by force applied when chewing food over time. Accordingly, there is a problem in that the dropping rate in which the denture can be separated from the abutment is increased as well as the stability is sharply lowered.

The present invention is devised to solve the problems of the prior art as described above, the object of the present invention is provided with an upper coupling surface that can be coupled to a plurality of pins on the upper inner end surface of the preparation teeth, the denture is two abutment teeth The present invention relates to a dental prosthesis that can be stably coupled and fixed therebetween.

In addition, an object of the present invention is to provide a dental prosthesis that can maintain the occlusal surface of the preparation tooth (natural teeth) as it is.

In addition, an object of the present invention is to provide a dental prosthesis having excellent durability, good bonding strength and strong resistance to lateral pressure.

In addition, an object of the present invention is to provide a dental prosthesis to ensure that the inlay (upper engaging surface) is joined as if wrapped around the abutment so that the inlay does not fall off from the abutment when subjected to an occlusal load.

In addition, it is an object of the present invention to provide a dental prosthesis to be fixed by inserting the fixing pin in the fixing hole drilled in the occlusal surface so as not to be greatly affected by the occlusal force acting vertically and horizontally.

One embodiment of the present invention for achieving the above object, the one side is in close contact on the outer surface of the preparation tooth disposed adjacent to one side of the lost tooth portion is formed in the denture extending horizontally on the other side of the bracket In the dental prosthesis formed integrally with the insertion bar and the insertion bar is inserted into the coupling groove and the insertion bar, the side coupling surface is in close contact with the inner surface of the denture, the upper coupling surface bent from the upper end of the bracket is It is characterized in that the plurality of fixing pins which are seated in the groove formed on the upper one side of the preparation tooth, the plurality of fixing pins are inserted into and coupled to the fixing hole pre-drilled in the groove.

Hereinafter, a dental prosthesis will be described with reference to the accompanying drawings.

Dental prosthesis implemented by the present invention is made of a first support 10 and a second support 20 which is fixed to the teeth 30, 32 disposed on one side and the other side of the lost tooth as in the conventional case The denture 40 is mounted between the first support part 10 and the second support part 20.

In addition, the first support part 10 includes a first bracket 12 in which one side is in close contact with the outer surface of the abutment 30 disposed adjacent to one side of the lost tooth part, as shown in FIG. 1 is formed integrally with the first insertion bar 14 and the first insertion bar 14 extending horizontally on the other side of the bracket 12 to be inserted and fixed in the coupling groove 42 formed in the denture 40. And a side engaging surface 16 which is tightly coupled to the inner surface of the denture 40, an upper engaging surface 15 bent from an upper end of the first bracket 12, and an upper engaging surface 15. A plurality of fixing pins 17 are formed at the upper portion of the abutment 30 to be inserted into and coupled to the fixing holes 36 previously drilled.

At this time, the upper coupling surface 15 is seated in the groove 34 formed on the upper one side of the abutment 30 and the four fixed in the four fixing holes 36 previously drilled inside the groove 34 The pin 17 is inserted, and the first support 10 is coupled to and fixed to the abutment 30.

Here, the first bracket 12 preferably has the same curvature as the outer circumferential surface of the preparation tooth 30 as in the prior art.

Similar to the first support part 10, the second support part 20 also has a second bracket 22 and a second bracket (22) in which one side is in close contact with the outer surface of the preparation tooth 32 disposed adjacent to one side of the lost tooth part. The second insertion bar 24 which is horizontally extended on the other side of the 22 and is inserted into and fixed to the coupling groove 42 formed in the denture 40 and the denture formed integrally with the second insertion bar 24. The abutment surface 26 is tightly coupled to the inner surface of the 40, the upper coupling surface 25 bent from the upper end of the second bracket 22, and the abutment teeth on the upper coupling surface 25 A plurality of fixing pins 27 that are inserted into and coupled to the fixing holes 36 drilled in the upper portion of the upper portion 32 are formed.

At this time, the upper coupling surface 25 is seated in the groove 34 formed in the upper one side of the abutment 32 and the four fixed in the four fixing holes 36 previously drilled inside the groove 34 The pin 27 is inserted, and the second support portion 20 is coupled to and fixed to the abutment 32.

Here, the second bracket 22 preferably has the same curvature as the outer circumferential surface of the abutment 32, similar to the first bracket 12.

In the case of replenishing the missing tooth using the dental prosthesis made as described above, first, a groove 34 is formed in a portion in contact with the denture 40 on the upper surface of the preparation tooth 30, 32, and the groove 34. Four fixing holes 36 are formed therein.

Then, by etching the side surfaces of the preparation teeth 30, 32, the first support 10 and the first support portion 10 and 32 to the preparation teeth 30 and 32 using a self curing resin cement after primer bonding. In the case of bonding and fixing the second support part 20, the adhesive force may be improved.

Then, the fixing pins 17 and 27 are inserted into the fixing holes 36, and the fixing pins 17 and 27 are pushed into the fixing holes 36 by applying a downward force. When the fixing pins 17 and 27 are fully engaged with the fixing holes 36, the upper coupling surfaces 15 and 25 are connected to the abutments 30 and 32 as shown in FIG. 3 or 4. It is seated in the groove 34 formed.

On the other hand, the upper coupling surface 15, 25 is seated in the groove 34 of the preparation tooth 30, 32 as described above, and the fixing pin 17, 27 is inserted, fixed in the fixing hole 36 the preparation tooth First support portions 10 and 20 are fixed and coupled to 30 and 32.

The second support 20 is also coupled to and fixed to the abutment 32 in the same manner as the first support 10 described above.

As described above, when the first and second support parts 10 and 20 are coupled to and fixed to the abutment teeth 30 and 32, the first and second support parts 10 (to the engaging grooves 44 of the denture 40 are fixed). After inserting the insertion bars 14 and 24 of 20, force is applied from the upper side to the lower side so that the coupling grooves 42 of the dentures 40 are coupled downward along the insertion bars 14 and 24. In this case, as shown in FIG. 4, the side engaging surfaces 16 and 26 integrally formed on the insertion bars 14 and 24 are closely attached to the inner surface of the denture 40 so that the insertion bars 14 and 24 are close to each other. ) Is prevented from being separated from the engaging groove 42 of the denture 40.

Then, the force applied from the upper side to the lower side is applied until the lower end of the denture 40 touches the gum.

The present invention is applicable to the case of one missing tooth, two missing teeth, and both abutments are healthy, upper and lower jaw 4 anterior teeth, and a sturdy canine, and even if one of the abutments is removed, the air bridge ( air bridge).

Therefore, the present invention has a fixing member that can be coupled to a plurality of pins on the upper inner end surface of the preparation tooth, so that the dentures can be stably coupled and fixed between the two preparation teeth, thereby improving stability, as well as dropout rate. There is an effect that can be significantly reduced.

In addition, the present invention can minimize the amount of deletion of the tooth, can shorten the procedure time, excellent durability, there is an effect to implement anesthesia, analgesia, no bleeding during the procedure.

In addition, the present invention has the effect of improving the retention and bite ability of the tooth.

The present invention is not limited to the above embodiments, and it is apparent that many modifications are possible by those skilled in the art within the technical idea of the present invention.

1 is a view for explaining a dental prosthesis according to the prior art,

2 is a view for explaining a dental prosthesis according to the present invention,

3 is a plan view of FIG.

4 is a cross-sectional view of FIG. 2.

*** Explanation of main parts of drawing ***

10, 20: 1st, 2nd support part 12, 22: 1st, 2nd side engagement surface

14, 24: 1st, 2nd insertion bar 15, 25: 1st, 2nd upper engagement surface

17, 27: 1st, 2nd fixed pin 30, 32: abutment

34: groove 36: fixing hole

40: denture 42: insertion groove

Claims (3)

It is formed integrally with the insertion bar and the insertion bar which is inserted into and fixed to the coupling groove formed in the denture extending horizontally on the bracket and the other side of the bracket on the outer surface of the preparation tooth disposed adjacent to one side of the lost tooth portion In the dental prosthesis formed of a side engagement surface that is in close contact with the inner surface of the denture, The upper coupling surface bent from the upper end of the bracket is seated in the groove formed in the upper one side of the abutment, a plurality of fixing pins are inserted into the fixing hole previously drilled in the groove is formed on the upper coupling surface Dental prosthesis, characterized in that there is. The method of claim 1, Dental prosthesis, characterized in that the side portion of the preparation tooth is closely coupled to the bracket is etched and formed rough. The method of claim 2, The bracket is a dental prosthesis, characterized in that bonded to the side portion of the abutment by primer bonding and synthetic resin cement.