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The device is an air-powered dental handpiece for use by a trained professional in general dentistry.

The MK-dent® HS 2012/2014 shares virtually all specifications and design characteristics of the predicate devices. The only major design change refers to the strength of the auto chuck mechanism. By increasing the spring strength, we have created a more reliable version compared to KaVo 625. By increasing the bur retention strength from 6 lbs (as with the predicate device) to 8 lbs. (MK-dent® HS 2012/2014) we have been able to vastly reduce the odds of a bur prematurely ejecting from the handpiece. A few minor changes to the predicate device which do not affect the performance but we feel make the handpiece convenient to use are as follows: Reduction in the weight of the handpiece to 2 oz.. This reduces operator hand fatigue. Softening the knurling on the handle. This allows dirt, blood and salvia to be more easily removed from the body shell of the handpiece, thus allowing better conformity to sterilization procedures. It also provides better tactile sense to the operator while wearing gloves.