JPS63275335A - Channel molding device for artificial dental root - Google Patents

Abstract

PURPOSE:To stably form a high quality channel without irregularity, by placing a channel guide on an alveolar bone to position the same and inserting the positioning pin of a processing guide in the mesial and efferent end holes provided to both ends of the channel by drilling to fix the same to perform processing molding. CONSTITUTION:A drilling start guide 10 is placed on an alveolar bone 14 and the posture and position thereof are adjusted to form the mesial end hole 16B of a channel by drilling and, thereafter, a channel end fixing pin 8 is inserted in said hole to be fixed to the alveolar bone 14. The efferent end hole 16A of the channel is provided to the channel by drilling and the drilling start guide 10 is detached to place a processing guide 11A on the alveolar bone 14 to certainly position and fix the same and channel forming holes 17 are provided by drilling to detach the processing guide 11A. A processing guide 11B is placed on the alveolar bone 14 to position and fix the same in the same any and the wall part between the channel forming holes 17 is removed to form the long groove part 18 of the channel having only a thin wall 19 left thereto. The processing guide 11B is detached and the thin wall 19 is removed to form the long groove-shaped channel. Therefore, the high quality channel is stably molded without irregularity.

Description

[Detailed description of the invention] "Industrial application field" The present invention company produces artificial tooth roots made of metal or ceramics.
The present invention relates to an implant channel former used for processing and forming a channel in implant treatment for bridging a channel /L/ (groove) formed in alveolar bone.

``Prior art'' and ``problems to be solved by the invention'' In recent years, for example, Bioceram (Kyoshichi Co., Ltd.) products, etc.
Ceramic artificial tooth roots with excellent biocompatibility have been developed, and the implant treatment that implants these excellent artificial tooth roots has been used in many clinical applications, and mass production of artificial tooth roots with standardized dimensions and shapes has become possible. It has been promoted and is likely to become more popular in the future.

In the above-mentioned implant treatment, a good treatment effect is obtained by accurately forming a channel in the alveolar bone to receive the artificial tooth root to be implanted without any play and to fit it in the required position and posture. This is considered to be the biggest technical point for this purpose.

However, in conventional implant treatment, the shape and position of the channel to be formed are marked with a mucosal pencil at a pre-diagnosed and determined position in the gingival region where the artificial tooth root will be implanted, and the mark is marked. Based on this, a method of processing and forming channels using manually held triplets is adopted, and highly advanced technology and skill are considered essential for channel formation.

According to the above-mentioned conventional means, the artificial tooth root can be received in the correct posture and position without wobbling in situations where the shape of the affected area where the artificial tooth root is implanted, the base of the alveolar bone, the bone quality, etc. vary widely from patient to patient. It is difficult to stably form the chuck y to be inserted, and the effectiveness of the implant treatment is greatly influenced by the quality of the chuck ρ.

The present invention was made in view of the above-mentioned circumstances, and it is an object of the present invention to provide a channel former that overcomes the drawbacks of the prior art.

"Means to solve problems" The present invention achieves the above objects.

・Nine-head pins are arranged upright on the upper surface of the professional member connected to the tip of the rod-shaped handle in a manner corresponding to the implant head of the artificial tooth root, and have a center-to-center distance corresponding to the shape of the artificial tooth root. a channel start guide provided with a pair of parallel drill guide holes passing through the top and bottom of the block member; and a leg-shaped leg-shaped guide provided on the lower surface of the block member that is parallel to the drill guide holes and having the same center-to-center distance; A combination with a machining guide that has a positioning pin and has a machining guide hole group or a machining guide groove that is centered on the center line of the positioning pin and parallel to the positioning pin on the top and bottom of the block member. The channel guide is placed on the alveolar bone site in advance and positioned using a head pin, and a mesial end hole and a distal end hole corresponding to both ends of the chuck μ are drilled based on the drill guide hole, and the mesial end hole is and a positioning pin of the processing guide is inserted and fixed into the distal end hole, and a chuck is formed based on the similar guide hole or the processing guide groove.

"Function" After accurately confirming the position and posture of the chuck μ to be formed using the channel former line of the present invention configured as described above and the head pin of the channel start guide compatible with the implant head of the artificial tooth root, both ends of the channel are Accurately drill the distal end hole and mesial end hole based on the drill guide hole, and then insert positioning pins into the distal end hole and mesial end hole to fix the processing guide to the affected area KMa. Since channels can be processed and formed based on the guide holes and guide holes of the processing guide, a high-quality chuck that can receive the artificial tooth root to be implanted in the correct position and posture can be created.
However, it has the ability to be formed evenly and stably without requiring special technology or skill.

"Example" Hereinafter, a detailed explanation will be given with reference to examples. tzu.

Referring to FIGS. 1 to 8 showing one embodiment of the present invention, FIG.
A plate-like U-shaped U-tie having a do 2 (implant head 2, the part that protrudes from the gingiva and fixes each artificial tooth 2' after implanting the artificial tooth root) is attached to the two implants shown in the figure. 1 shows a channel former for artificial tooth root l.

In the figure, the channel forming machine of the present invention has two head pins 4A4B erected on the upper surface of the professional member 8m, and upper and lower block members 8A are placed on both outer sides of the center line 4' of the head pins 4A4B. It has a pair of trill guide holes 6B which are parallel to each other and have a center distance Jlil Ls corresponding to the length L' of the chuck/L'12 to be formed, and the tip of the rod-shaped hand/L/6. A pair of parallel positioning pins 1A7B with a distance Ls between centers are provided in a leg-like manner protruding from the lower surface of the shaft member 8B and the shaft 10 whose sides are connected and supported. Similarly to the machining guide 11A, which has a center on the center line 7' of the positioning pin 7A7B and has a large number of machining guide holes 50 groups extending parallel to the positioning pin 7A7B through the vertical direction of the professional member 8B. The same positioning pins 7A7B as described above are provided in a leg-like manner below the sliding member 8C, and the block is centered on the center line 7' of the positioning pins 7A7B, with a long groove formed between the positioning pins 7A7B. A processing guide 11B provided with a processing guide groove 5D that penetrates the member 3C in the vertical direction.
It is composed of a combination of 1.

And, in Channel Start Guide 10, Do IJ/
1/ A channel end fixing pin 8 is attached that is inserted into the guide hole 5A or 5B without play and can project the lower half portion downward.

Specifically, the professional member 8A of the channel start guide 10 is designed to support the alveolar bone 14 in which the chuck/I/12 is to be formed.
It has a rectangular parallelepiped shape that can be placed on the affected area, and the distance between centers is 1llI.
L, the outer end distance L' of the drill guide hole 515B
corresponds to the length L of the artificial tooth root 1, and the thickness of the drill guide hole 5A5B corresponds to the thickness of the artificial tooth root 1. In addition, the artificial tooth root 1 is inserted into the receiver without wobbling, and the positions of the dowels 4A4B are aligned with the implant head 2 of the artificial tooth root 1 inserted into the receiver.

On the other hand, the machining guide 11mm IIB has a rectangular parallelepiped-shaped block member BBBC which is approximately the same shape as the block member 8A and is placed on the alveolar bone 14 where the chuck /L/12 is to be formed.
A positioning pin 7A7B having the same diameter as the channel end fixing pin 8 is placed below the holder Bn3c.
are protrudingly provided in the shape of legs, and the length of the positioning pins 7A7B is approximately the same as the depth of the chuck 1v12 to be formed.

The channel former of the present invention having the above configuration is used in the following manner. That is, with reference to FIG. 8 which shows the procedure for using the embodiment of FIG.
The affected gingiva is incised to expose the alveolar bone 14, and the
1. Place the channel start guide 10 on top of the bone 14. Then, with the head pin 4A4B facing the functional cusp of the opposing tooth, place the head pin 4A4B on the indentation of the artificial tooth root 1 to be implanted.
Check the facing posture and position of the channel start guide 10 and the gold tooth, and adjust the posture and position of the channel start guide 10.

Then, in this state, insert the bird A/15 into the drill guide hole 5B, and use the drill guide hole 5B to insert the bird A/15 into the drill guide hole 5B.
Charts to be formed while guiding 15/I/12
A mesial end hole 16B is bored into the alveolar bone 14 to a required depth. At this time, the channel start guide 10 is operated and held by a rod-shaped hand /l/6 protruding from the oral cavity.

・Next, as shown in FIG. 8(b), insert the channel lv end fixing pin 8 into the drill guide hole 5B and the drilled mesial end hole 16B.
Insert the channel start guide 10 into the alveolar bone 14.
Fix it on top. Then, do it in the drill guide hole 5A! J/
1/15 is inserted, the distal end hole 16A of the chuck/L'14 to be similarly formed in the alveolar bone 14 is bored, and the triμ start guide 10 is removed.

・Next, refer to Figure 8 0, the 11 processing guides are placed in the alveolar bone 1.
4, insert the positioning pin 7B into the mesial end hole 16B and the distal end hole 16A, which are both ends of the chuck A/12 to be formed, and place the processing guide 11 into the main part of the alveolar bone 14. Securely position and fix. And processing guide hole 50
A drill 15 is sequentially inserted into the group to drill a channel forming hole 17 of a required depth, and the processing guide IIA is removed.

・Then, refer to Fig. 8 0, move the processing guide IIB to the alveolar bone 1.
4, insert the positioning pins 7A7B into the mesial end hole 16B and the distal end hole 16A to position and fix them in the same manner as above, and insert the bird 1v15t or the frame two μ into the processing guide groove 5D, and insert the positioning pin 7A7B into the mesial end hole 16B and the distal end hole 16A. 16B and the wall between the channel forming hole 17 drilled in the distal end hole 16 is removed, and only the thin wall 19 is left between the mesial end hole 16 A and the distal end hole 16 B. 12 long groove portions 18 are formed.

Finally, remove the processing guide IIB and remove the thin wall 1.
9 is removed using a tool such as a milling cutter to form a long groove chatch/L'12 having a desired depth and length. In addition, when drilling in the above-mentioned method, it is performed under low-speed rotation (800 to 1,000 revolutions/minute) K while pouring sterile physiological saline.

The channel forming device of the present invention described above uses the pin 4A4g of the channel start guide 10 to check the occlusal function between the implant head 2 of the artificial tooth root 1 and the opposing tooth beforehand, and the position and posture of the channel 1v12 to be formed. The distal end hole 1 which becomes both ends of channel/I/12 is precisely defined.
6 and the mesial end hole 16B, and then
Based on the mesial end hole 16mm 16B, the processing guide IIA
Since IIB is fixed and the channel A'12 can be processed and formed based on the accurately fixed processing guide hole 5C and processing guide groove 5D, the formed channel /l/
12 is a mesial/distal end hole 1 corresponding to the length L of the artificial tooth root l.
6mm 16B, and the proximal and distal end holes 16A 168 are connected in a straight line by the required width. If there is no groove, the intersection angle between the depth direction of the deep groove and the upper surface of the alveolar bone 14, that is, the inclination of the channel μ12 with respect to the alveolar bone 14, is also determined in advance by the artificial tooth root l determined by the pin 4A4n.
This is a high-quality channel that corresponds to the posture of the artificial tooth root to be implanted, precisely corresponds to the shape of the artificial tooth root to be implanted, and accepts it correctly without wobbling. Then, when the artificial tooth root 1 is implanted in the channel /I/12 and the artificial tooth 2' is attached to the implant head 2, the occlusal function with the paired gold tooth is excellent, and a good treatment effect can be obtained. This high-quality channel μ can be achieved without requiring special skill or technology, and has the advantage of being able to be molded stably and evenly.

Next, another embodiment of the present invention will be explained with reference to FIG. This embodiment is a channel former for implanting a T-type artificial tooth root 1 consisting of a single implant head 2 shown in FIG. The structure other than the dowel 4 is the same as that of the embodiment shown in FIG. This embodiment also has the same effect as the embodiment in FIG. 1 described above for forming 10 channels of a T-type artificial tooth root.

In addition, the channel start guide 10 and the processing guide 11 of the present invention 111) The external dimensions of A are selected in accordance with the shape and dimensions of the standardized and mass-produced artificial tooth root 1, and the above-mentioned In the configuration of the present invention, the two machining guides 11Bti are not essential as a pair, and one of them may be omitted. The present invention is also applied to a W-type artificial tooth root manufactured by Hirokai, a channel former.

"Effects of the Invention" As explained above, the artificial tooth root channel forming device of the present invention can form high-quality channels evenly and stably without requiring any special skill or technique, and can improve the implant treatment effect. It has many effects such as stabilizing it at a high level and speeding up implant treatment.

[Brief explanation of the drawing]

FIG. 1 shows a channel former according to the present invention--an embodiment;
Aa is a perspective view of the channel start guide 1O, @Hani) side sectional view, p is a perspective view of the processing guide 11m, ■ is a 00 cross-sectional view, ■ is a perspective view of the processing guide IIB, and ■ is a perspective view of the processing guide IIB. Side sectional view of ■, Figure 2: Perspective view showing the artificial tooth root and channel targeted by the channel shaper, Figure 8
(C) 00: Figure 1 is a perspective view showing how the embodiment is used; Figure 4 is a perspective view of a channel forming device according to another embodiment of the present invention. (6) A perspective view of a channel start guide. , 0 is the front view of the target artificial tooth root Main symbols, artificial tooth root, 2: to implant, do, 8 m 9B8 (3: professional, ri member, 4.4A. 4B = to, do pin% 5 m 5B Nitori guide hole, 5C:
Processing guide hole, 5D = Processing guide groove, 6: Rod-shaped handle, 7mm 7B9 positioning pin, 8: Channel end fixing pin, IO: Channel start guide, 12: Channel, 14: Alveolar bone, 15 Nitori μ, 16mm: distal end hole,
tan: Mesial end hole, 11mm IIB: Processing guide patent applicant Kawahara 1) Sachi 3 Patent attorney Kenmi Oka 5
D: Kaf 7″4Fj Fushi Figure 1 CD) (C') CF) (E) Figure 14 CB) (A)

Claims (1)

[Claims] (1) - On the top surface of the block member connected to the tip of the rod-shaped handle, head pins are arranged to correspond to the implant head of the artificial tooth root and have a center-to-center distance corresponding to the shape of the artificial tooth root. a channel start guide provided with a pair of parallel drill guide holes passing through the upper and lower sides of the block member; leg-shaped positioning pins that are parallel to the drill guide holes and have the same center-to-center distance on the lower surface of the block member; and a machining guide having a machining guide hole group or a machining guide groove that is centered on the center line of the positioning pin and parallel to the positioning pin, penetrating above and below the block member, placing the channel start guide on the alveolar bone site and positioning it with a head pin, and drilling a mesial end hole and a distal end hole of the channel based on the drill guide hole;
Channel molding for an artificial tooth root characterized by a structure in which positioning pins of the processing guide are inserted and fixed into the mesial end hole and the distal end hole, and a channel is processed and formed based on the processing guide hole or the processing guide groove. vessel.