JPH0245724U

JPH0245724U -

Info

Publication number: JPH0245724U
Application number: JP10433989U
Authority: JP
Priority date: 1989-09-05
Filing date: 1989-09-05
Publication date: 1990-03-29

Description

[Brief explanation of drawings]

図面は本考案の実施例を示すもので、第１図は
或る臼歯に対し人工補装歯冠をほどこすべき下あ
ごの斜視図、第２〜７図は本考案の連続作業工程
を示す前記下あごの１部分の斜視図、第８図は臼
歯を切削加工した後の前記下あご体の斜視図、第
９〜２２図は本考案の実施に際し使用する種々異
なるタイプのフライスカツタの正面図、第２３〜
２８図は切削工程中の臼歯に対する本考案による
異なる作業工程を示す説明図である。（符号の説明）、１……臼歯、２……前庭面、
３……口蓋面、４……遠心面、５……近心面、６
……咬合面、６ａ，６ｂ……咬合面６の半分、７
……臼歯の最大輪郭部を示す想像線、８……臼歯
の軸心、９……尖頭体、１０……頚体、１１……
歯茎、１２……溝、１３……基部、１４……一定
距離、１５……臼歯の高さ、１６……第１のフラ
イスカツタ、１７……第２のフライスカツタ、１
８……切削加工面、１９……切削加工面、２０…
…肩部、２１……第３のフライスカツタ、２２…
…円錐台形、２３……第４のフライスカツタ、２
４……切削加工面、２５……人工補装歯冠、２６
……カツタ刃部、２７……カツタ杆部、２８……
カツタ杆部、２９……柄部、３０……間隔、３１
……狭搾部、３２……稜線、３３……稜線、３４
……柄部、３５……環状面、３６……端面、３７
……距離、３８……中央溝、３９……研磨部、４
０……柄部、４１……端面、４２……研磨部、４
３……柄部、４４……環状面、４５，４５ａ……
中高研磨部、４５ｂ……母線、４６……突出カツ
タ刃部、４７……稜線、４８……円筒状仮想線、
４９……凹状円錐形凹面、５０……逆円錐台形の
研磨面、５１……円錐台形の研磨面、５２……突
出カツタ刃部、５３，５４，５５……研磨面、５
６……凹弧面、５７……凹状の周面、５８……凸
状の周面、５９……稜線、６０……テーパ状の研
磨面、６１……円筒状の研磨面。 The drawings show an embodiment of the present invention. Figure 1 is a perspective view of the lower jaw in which a prosthetic crown is to be applied to a certain molar tooth, and Figures 2 to 7 show the continuous working process of the present invention. FIG. 8 is a perspective view of the body of the lower jaw after molar teeth have been cut; FIGS. 9 to 22 are front views of various types of milling cutters used in carrying out the present invention. Figure, 23rd~
FIG. 28 is an explanatory view showing different working steps according to the present invention for a molar tooth during the cutting process. (Explanation of symbols), 1... molar, 2... vestibular surface,
3...Palate surface, 4...Distal surface, 5...Mesial surface, 6
... Occlusal surface, 6a, 6b ... Half of occlusal surface 6, 7
...Imaginary line showing the maximum outline of the molar, 8... Axis of the molar, 9... Point body, 10... Cervical body, 11...
Gums, 12...Sulcus, 13...Base, 14...Constant distance, 15...Molar height, 16...First milling cutter, 17...Second milling cutter, 1
8... Cutting surface, 19... Cutting surface, 20...
...Shoulder part, 21...Third milling cutter, 22...
...Truncated cone, 23...Fourth milling cutter, 2
4... Cutting surface, 25... Prosthetic tooth crown, 26
... Katsuta blade part, 27 ... Katsuta stem part, 28 ...
Katsuta stem, 29...handle, 30...interval, 31
...Narrowed portion, 32...Ridge line, 33...Ridge line, 34
...Handle, 35...Annular surface, 36...End surface, 37
... Distance, 38 ... Central groove, 39 ... Polishing section, 4
0...Handle part, 41...End face, 42...Polishing part, 4
3...Handle, 44...Annular surface, 45, 45a...
Medium and high polishing part, 45b...Generator line, 46...Protruding cutter blade part, 47...Ridge line, 48...Cylindrical imaginary line,
49... Concave conical concave surface, 50... Inverted truncated cone-shaped polished surface, 51... truncated conical polished surface, 52... Protruding cutter blade portion, 53, 54, 55... Polished surface, 5
6...Concave arc surface, 57...Concave circumferential surface, 58...Convex circumferential surface, 59...Ridge line, 60...Tapered polished surface, 61...Cylindrical polished surface.

Claims

[Scope of Claim for Utility Model Registration] (1) A cutter blade part for cutting and forming a horizontal groove on the circumferential surface of the approximately middle part of a molar tooth at a predetermined intermediate part of a cutter rod part formed coaxially with the handle part. A first milling cutter is formed by protruding from the blade, and the tip of the cutter rod is formed coaxially with the handle, and the circumferential surfaces of the pointed body and neck body of the molar teeth located above and below the groove are cut. At the same time, a second milling cutter is provided with a drum-shaped cutter blade for cutting the occlusal surface of the molar tooth and forming a shoulder on the base periphery of the molar tooth, and a second milling cutter is provided on the distal end side coaxial with the handle. , a third grinding section comprising a circumferential surface of a required length and a tapered surface with a gentle downward slope for cutting the molar tooth cut by the second milling cutter into a truncated conical shape; A tool for standardizing and standardizing molar teeth in crown installation, characterized in that the tool comprises at least a milling cutter. (2) The distance between the cutter blade of the first milling cutter and the free end of the cutter rod is configured to be approximately equal to half the height of the tooth to be cut. The tool according to claim (1) of the utility model registration claim.