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Class Information
Number: 433/161
Name: Dentistry > Apparatus > Hand manipulatable implement > Having relatively movable work engaging surfaces > Screw actuated
Description: Apparatus including an elongated helically ribbed member that when rotated moves the work contacting faces.

Patents under this class:

Patent Number Title Of Patent Date Issued
6261095 Dental tool for tooth restoration Jul. 17, 2001
5755573 Dental post extractor May. 26, 1998
5385471 Cerec inlay holder and inserter Jan. 31, 1995
4865609 Modular joint prosthesis assembly and method of removing Sep. 12, 1989
4758159 Adjustable mandrel Jul. 19, 1988
4594069 Dental crown remover Jun. 10, 1986
4486177 Crown removal tool Dec. 4, 1984
4474500 Removal of dental crowns with wire noose Oct. 2, 1984
4417876 Nondestructive dental cap removal methods Nov. 29, 1983
4230454 Tooth extractor Oct. 28, 1980
4179816 Apparatus, methods and instruments for removing dental restorations Dec. 25, 1979

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