CN2505041Y

CN2505041Y - Combined fixed denture group

Info

Publication number: CN2505041Y
Application number: CN 01268236
Authority: CN
Inventors: 李锦声; 李珍妮; 李锦芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-10-17
Filing date: 2001-10-17
Publication date: 2002-08-14
Anticipated expiration: 2011-10-17

Abstract

The utility model relates to a combined fixed denture group, which is provided with a tooth bracket arranged on the site of tooth loss of the patient, wherein, an embedding part on each of the two sides of the tooth bracket combines with a natural neighboring tooth reliably, and a tooth body is embedded between the tooth bracket and the two natural teeth, so that the tooth body can be arranged reliably without the necessity to grind the natural teeth for large extent; additionally, no necessity exists for the natural teeth on both sides of the lost teeth to be grinded to large extent during the embedding process of the tooth body with the utility model; therefore the arrangement of the combined fixed denture group is fairly easy, with short duration of arrangement, without the need of local anesthesia, without long time needed by the patient to await the fabricated artificial tooth. The combined fixed denture group provided by the utility model has low fabrication cost, without the need to inlay the temporary tooth cover, without pains for the patient, thereby being capable of satisfying the actual needs of the patients such as the willingness to accept the therapy.

Description

Combination type is the tooth group fixedly

Technical field

This utility model is about the fixing tooth group of a kind of combination type, more specifically it, it mainly is to use the agomphosis place that toothholder is arranged at the patient, and firmly inlay with the natural tooth that the side of toothholder both sides is embedded portion and agomphosis both sides and to close, again with a tooth body, spiral shell is embedded between toothholder and the two natural teeth, reaches by this to reach the purpose that the tooth body firmly is set by significantly worn natural tooth.

Background technology

With regard to present dentist's technology, when desire is installed fixed denture if single tooth (as: molar) damage causes hypodontia, the installing technology of existing fixed denture, be to do the natural tooth 10 (unspoiled tooth) of hypodontia both sides (or one-sided) significantly worn earlier, being nested with installing for main artificial tooth 11 and auxiliary artificial tooth 12 according to this, wherein should auxiliary artificial tooth 12 be mat set trepannings 121 and being placed on the natural tooth 10 of above-mentioned prior grinding (as shown in Figure 1) in it;

The explanation that sees through above-mentioned prior art as can be known, installing technology, the artificial tooth structure of existing fixed denture are many significant deficiency are arranged and suddenly to wait to improve, for example:

One, though damage an only tooth only of agomphosis person, in order to install the but healthy natural tooth of significantly grinding hypodontia both sides (or one-sided) of artificial tooth; And the grinding of this nature tooth must be made local anesthesia hands art again; For the patient, not only grind one's teeth in sleep quite painful and can damage the nature tooth, and for dentist not only the activity duration long, need high skill and operation sequence numerous and diverse;

They are two years old, in the course of treatment of this above-mentioned existing fixed denture, after the natural tooth grinding of agomphosis side, and can't install artificial tooth immediately, must produce the tooth mould earlier, therefore the patient must wait for that tooth mould and artificial tooth complete, and the patient must put on temporary facing and wait for (otherwise the natural tooth of this grinding is not only quite unbecoming and may damage) when laboratory rodent chow during this period;

Its three, go up must the auxiliary artificial tooth of logotype in making for existing fixed denture, so the artificial tooth cost of manufacture is quite high;

Its four because the artificial tooth installing process can damage that healthy natural tooth, time installation are grown, cost an arm and a leg etc., the wish that causes sufferer to be sought medical advice is low.

By above analysis explanation as can be known, install the technology of fixed denture at present, necessity of the improvement of urgently progressing greatly is arranged in fact; In view of this, the inventor is through detailed thinking, and accumulates the experience of being engaged in the artificial tooth research and development for many years, is developed fixedly tooth group of a kind of combination type eventually, makes to improve the disappearance of above-mentioned prior art fully.

Goal of the invention

Main purpose of the present utility model is to be to provide fixedly tooth group of a kind of combination type, it mainly is to use the agomphosis place that toothholder is arranged at the patient, and firmly inlay with the natural tooth that the side of toothholder both sides is embedded portion and agomphosis both sides and to close, again with a tooth body, spiral shell is embedded between toothholder and the two natural teeth, reaches by this to reach the purpose that the tooth body firmly is set by significantly worn natural tooth.

A purpose more of the present utility model is to be to provide fixedly tooth group of a kind of combination type, using this utility model structure carries out in the process of tooth body installing, owing to do not need the natural tooth of worn significantly agomphosis both sides, thus this utility model combination type fixedly tooth group constructor attach together establish quite easily, time installation is short, do not need local anesthesia, patient need not wait as long for artificial tooth making, this utility model combination type fixedly lower, the patient of the cost of manufacture of tooth group need not be nested with temporary facing, patient painless, can improve the actual demands such as wish that the patient seeks medical advice.

The purpose of this utility model is achieved in that fixedly tooth group of a kind of combination type, it is characterized in that mainly comprising: a toothholder, establish end surface and offer in holding in conjunction with screw, and in the both side edges of holding the portion of establishing, each one extension is formed with a side and is embedded portion, side is embedded the recessed sky that is embedded of its interior institute molding of portion, be to be positioned at the lateral tooth flank of oral cavity tongue side and the local kenel of the interlock flank of tooth and to be shaped relatively, be embedded the corresponding natural tooth flank of tooth of portion's outer upper end face in side to form an occlusal surface according to its hypodontia both sides of patient nature tooth; By this, toothholder derives from patient oral cavity tongue side, and side direction moves into patient's hypodontia position, and sees through natural tooth that side is embedded portion and hypodontia both sides and be nested and close; One tooth body, the tooth body is run through with a combined hole in the upper surface, makes the tooth body be arranged at the portion of establishing of holding of toothholder, and is able to wear the tooth body in conjunction with screw and is screwed with the screw that combines of toothholder; Extend in the side edge of tooth body and to convex with alar part, the tooth body is combined with toothholder lock establish after, be able to this alar part and abut against mutually with the ora terminalis wall of side fitting portion.

In sum, the disclosed structure of this utility model, because when operation is implemented, it mainly is to use the agomphosis place that toothholder is arranged at the patient, and firmly inlay with the natural tooth that the side of toothholder both sides is embedded portion and agomphosis both sides and to close, again with a tooth body, spiral shell is embedded between toothholder and two natural teeth, reach by this and need not reach the purpose that the tooth body firmly is set by significantly worn natural tooth, moreover, this utility model structure carries out in the process of tooth body installing, owing to do not need the natural tooth of worn significantly agomphosis both sides, thus this utility model combination type fixedly tooth group constructor attach together establish quite easy, time installation is short, do not need local anesthesia, the patient need not wait as long for artificial tooth and make, this utility model combination type fixedly cost of manufacture of tooth group is lower, the patient need not be nested with temporary facing, the patient is painless, can improve the actual demands such as wish that the patient seeks medical advice.

Description of drawings

Fig. 1 is the fixedly preceding worn natural dental phenomenon sketch map of tooth installing of prior art;

Fig. 2 is a perspective exploded view of the present utility model;

Fig. 3 is that this utility model solid is in conjunction with sketch map;

Fig. 4 is the local enlarged diagram of Fig. 3;

Fig. 5 is another embodiment plane perspective sketch map of chimeric edge of this utility model side and natural tooth tabling state.

Accompanying drawing number

10. natural tooth 11. main artificial tooth 12. auxiliary artificial tooths

121. trepanning 20. toothholders 21. hold the portion of establishing

Be embedded recessed sky 211. be embedded portion 221. in conjunction with screw 22. sides

222. the cambered surface that contracts in the occlusal surface 223. 224. ora terminalis walls

30. tooth body 31. combined holes 32. are in conjunction with screw

33. the alar part 40. natural tooth 41. interlock flank of tooth

42. sector face 50. material for repairing

The specific embodiment

About this utility model for reaching above-mentioned purpose, the technology that is adopted, means and other effect, now lift a preferable possible embodiments and cooperate graphic detailed description as after, believe the above-mentioned purpose of this utility model, feature and other advantage, when can by one deeply and concrete understanding.

Please refer to Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, a kind of combination type that this utility model embodiment is provided is the tooth group fixedly, its mainly be by a toothholder 20 and a tooth body 30 match constitute wherein:

This toothholder 20 (can be the metal formed thereby) is be formed with one to hold the portion of establishing 21, hold and offer one on the end face of the portion of establishing 21 in conjunction with screw 211 (or constitute in the built-in nut of end face), and in the both side edges of holding the portion of establishing 21, then each one extension is formed with a side and is embedded portion 22, side be embedded portion 22 in it institute's molding be embedded recessed empty 221 and inwall, be to be positioned at the lateral tooth flank of oral cavity tongue side and the interlock flank of tooth 41 local kenels and to be shaped relatively according to its hypodontia both sides of patient nature tooth 40, therefore, being embedded portion's 22 its outer upper end faces in side is corresponding natural tooth 40 flank of tooth and form an occlusal surface 222; What deserves to be mentioned is that natural tooth 40 its flank of tooth near the gingiva position are sector face 42 kenels for slightly inwardly contracting, therefore be embedded recessed empty 221 its downside walls also to cambered surface 223 structures that contract in should be shaped to; By this, toothholder 20 derives from patient oral cavity tongue side, moves into patient's hypodontia position in the shifted laterally mode, and sees through natural tooth 40 that side is embedded portion 22 and patient's hypodontia both sides and be nested and close; Wherein, the recessed sky in inside that side is embedded portion 22 is to be nested with natural tooth 40, and occlusal surface 222 then is positioned at nature tooth 40 upper surfaces;

This tooth body 30, its upper surface are formed with a combined hole 31 and run through tooth body 30, tooth body 30 is provided with is positioned at the portion of establishing 21 of holding of toothholder 20, and use in conjunction with screw 32 wears this tooth body 30 and be screwed with the screw 211 that combines of toothholder 20; Moreover, in the extensible alar part 33 that convexes with of the side edge of tooth body 30, tooth body 30 is combined after lock establishes with toothholder 20, be able to this alar part 33 and abut against mutually with the ora terminalis wall 224 of side fitting portion, after being established, 30 groups of tooth bodies can not rotate because of stressed; In view of the above, tooth body 30 can firmly be arranged between toothholder 20 and the two natural teeth 40; On actual job, can be after locking, again with material for repairing 50 overlay masking combined holes 31 in conjunction with screw 32.

40 in this utility model toothholder 20 and natural tooth inlay fit, be can be directly from mouthful a control tongue side side direction and natural tooth 40 nested reaching, therefore toothholder 20 and tooth body 30 with natural tooth phase configuration chimeric after, the side of toothholder 20 is embedded portion 22, can obviously not be revealed in the oral cavity, and be met actual requirement attractive in appearance; It should be noted that most, just as aforesaid toothholder 20 and tooth body 30 and natural tooth 40 be nested and put in the bonded process (that is, the dental prosthesis system process), the natural tooth 40 that does not need significantly worn hypodontia both sides, and can be from oral cavity cheek side or tongue side installing artificial tooth, not only broken through the installing technical bottleneck of traditional artificial tooth, and be able to damage is dropped to minimum, and realistic demand.

What deserves to be mentioned is why this utility model toothholder 20 is able to firm chimeric being positioned on two 40 in natural teeth and the gingiva, is not by toothholder 20 bottoms and gingiva closing mutually (can cause patient's discomfort and inflammation), is described as follows:

At first, after the natural tooth 40 that the side of toothholder 20 its both sides is embedded portion 22 and both sides, patient's hypodontia position is nested, being embedded of its inside of side fitting portion recessed empty 221 is corresponding with the local profile of tooth of natural tooth 40, so both closely inlay, and the combination design of the cambered surface 223 that contracts in its downside of side fitting portion, just must form clips, so toothholder 20 is difficult for being pulled up after inlaying with natural tooth 40 mobile with the sector face 42 of natural tooth 40; Moreover, when toothholder 20 be subjected to interlock press down the application of force time, toothholder 20 its sides are embedded the sidewall and the occlusal surface 222 of portion 22, the dispersion that just can be used as strength is born; And when tooth body 30 is subjected to the application of force, be positioned at the alar part 33 of tooth body 30 sides, be abut against mutually with toothholder 20 its ora terminalis walls 224, so tooth body 30 firmly is positioned on the toothholder 20 and can be because of stressed turn;

By above explanation as can be known, tooth body 30 of the present utility model cooperates toothholder 20, when being provided with as the installation of middle artificial tooth, do not need the natural tooth 40 of the both sides of grinding hypodontia significantly, and the steadiness after 30 installings of tooth body is quite good, not only can not rock (be subjected in conjunction with screw 32 and toothholder 20 sealed and alar part 33 and toothholder 20 be embedded) but also tooth body 30 also can not be subjected to vertically or the influence of side force and rock (side is embedded

portion

22 and 40 in natural tooth is firmly chimeric mutually), therefore, demand that can be realistic; Moreover, this utility model combination type is the installing of tooth fixedly, can see through tongue side or cheek side group and establish toothholder and tooth body, group is established in the operation quite easily, time installation is short, do not need that local anesthesia, patient need not wait as long for that artificial tooth is made, fixedly the cost of manufacture of tooth group is lower for this utility model combination type; And, it should be noted that because the natural tooth of worn both sides significantly not; Therefore in the course of treatment patient need not be nested with temporary facing, patient painless, can improve the wish that the patient seeks medical advice, visible this utility model not only can improve many defectives of prior art and can realistic demand.

Claims

1. the fixing tooth group of a combination type is characterized in that mainly comprising:

One toothholder, establish end surface and offer in holding in conjunction with screw, and in the both side edges of holding the portion of establishing, each one extension is formed with a side and is embedded portion, side is embedded the recessed sky that is embedded of its interior institute molding of portion, be to be positioned at the lateral tooth flank of oral cavity tongue side and the local kenel of the interlock flank of tooth and to be shaped relatively, be embedded the corresponding natural tooth flank of tooth of portion's outer upper end face in side to form an occlusal surface according to its hypodontia both sides of patient nature tooth; By this, toothholder derives from patient oral cavity tongue side, and side direction moves into patient's hypodontia position, and sees through natural tooth that side is embedded portion and hypodontia both sides and be nested and close;

One tooth body, the tooth body is run through with a combined hole in the upper surface, makes the tooth body be arranged at the portion of establishing of holding of toothholder, and is able to wear the tooth body in conjunction with screw and is screwed with the screw that combines of toothholder; Extend in the side edge of tooth body and to convex with alar part, the tooth body is combined with toothholder lock establish after, be able to this alar part and abut against mutually with the ora terminalis wall of side fitting portion.