IP Library › Granted Patent US 12673375
Granted Patent B2
US 12673375 · App. 18/069,353 · Granted Jul 7, 2026

Dental milling machine, adapter for use in a dental milling machine, and method for setting up a dental milling machine

Inventor: Jens Butschan (Ostfildern, DE)
Assignee: vhf camfacture Aktiengesellschaft
B23C3/34A61C13/12B23C9/00A61C13/0022B23C2220/36B23Q1/525B23Q7/1426Y10T409/303752Y10T409/305824Y10T409/309016
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Quick Facts
Patent No.
US 12673375
App. No.
18/069,353
Granted
Jul 7, 2026
Kind
B2
Abstract

A dental milling machine includes a workpiece holder. The workpiece holder ( 10 ) has a bracket ( 11 ) and an adapter ( 12, 12 ′). The adapter ( 12, 12 ′) is mounted on the bracket ( 11 ). In a first state ( 17 ), the adapter ( 12, 12 ′) is a semimanufacture ( 16, 16 ′) and designed to be milled by the dental milling machine ( 1 ).

Claims (30)

1 . A method for setting up a dental milling machine ( 1 ),

wherein the dental milling machine ( 1 ) has a workpiece holder ( 10 ),

wherein the workpiece holder ( 10 ) has

a bracket ( 11 ) and

an adapter ( 12 , 12 ′), and

a clamping device ( 13 ),

wherein the adapter ( 12 , 12 ′) is fastened on the bracket ( 11 ),

the method comprising:

providing the adapter ( 12 , 12 ′) as a semimanufacture ( 16 , 16 ′); and

milling the adapter ( 12 , 12 ′) by the dental milling machine ( 1 ) such that a receiving contour ( 35 ) for receiving a blank ( 15 ) is formed on the adapter ( 12 , 12 ′);

receiving the blank ( 15 ) on the adapter ( 12 , 12 ′) in the receiving contour ( 35 );

clamping the blank ( 15 ) against the adapter ( 12 , 12 ′) via the clamping device ( 13 );

producing a dental prosthesis from the blank ( 15 ); and

removing the dental prosthesis from the adapter ( 12 , 12 ′).

2 . The method according to claim 1 ,

wherein the step of clamping the blank ( 15 ) against the adapter ( 12 , 12 ′) via the clamping device ( 13 ) comprises attaching the clamping device ( 13 ) to the adapter ( 12 , 12 ′).

3 . The method according to claim 1 ,

wherein the step of clamping the blank ( 15 ) against the adapter ( 12 , 12 ′) via the clamping device ( 13 ) comprises attaching the clamping device ( 13 ) to the adapter ( 12 , 12 ′) after the adapter ( 12 , 12 ′) has been milled.

4 . The method according to claim 1 , further comprising:

holding the blank ( 15 ) between the adapter ( 12 , 12 ′) and the clamping device ( 13 ) during machining of the blank ( 15 ).

5 . The method according to claim 1 ,

wherein the adapter ( 12 , 12 ′) forms part of the dental milling machine ( 1 ).

6 . The method according to claim 5 ,

wherein the adapter ( 12 , 12 ′) is reusable.

7 . The method according to claim 6 , further comprising:

receiving a further blank ( 15 ) on the adapter ( 12 , 12 ′) in the receiving contour ( 35 );

producing a further dental prosthesis from the further blank ( 15 ); and

removing the further dental prosthesis from the adapter ( 12 , 12 ′).

8 . The method according to claim 1 ,

wherein the dental prosthesis is a dental crown or a dental bridge configured for dental restoration.