Contra angle handpiece
1. KaVo Kaltenbach and Voight Biberbach
2. Chayes Dental Instrument Corporation
Long reach straight handpiece with contra end. Adjustable type Kavo catch. Has a lock mechanism above the drive wheel. German attachment with American head piece. An interesting mix of two instruments showing early standardisation and associations.
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maker's mark ▫ KAVO KALTENBACH BIBERACH MADE IN GERMANY