Dental instrument

Details Dental instrument Dental instrument

1984-03-08

1986-02-18

Wilson, John J.

Dentistry

Apparatus

Having gauge or guide

433102, A61C 1904

Patent

active

045711801

ABSTRACT:
A dental instrument is attachable to a tooth whose apex is to be located. Indicator means, composed of a material that produces a visible image on a radiograph, is adjustably coupled to the mounting means to permit adjustment of the indicator means relative to the mounting means. When the dental instrument is attached to the tooth, the indicator means is adjusted relative to the tooth to permit substantial alignment of the images of the indicator means and tooth apex on the radiograph.

REFERENCES:
patent: 1417237 (1922-05-01), Evans
patent: 2181746 (1939-11-01), Siebrandt
patent: 3213541 (1965-10-01), Raffman
patent: 3330040 (1967-06-01), Kahn
patent: 3772791 (1973-11-01), Malmin
patent: 3993045 (1976-11-01), Ion
patent: 4165562 (1979-08-01), Sarfatti
patent: 4462802 (1984-07-01), Sekiya

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