Counterclockwise or clockwise reciprocating motion for oval root canal preparation: a micro-CT analysis.

Abstract

AIM To evaluate oval root canal preparation using one or two instruments in counterclockwise or clockwise reciprocating motion. METHODOLOGY The radiographic diameter of mandibular human incisors was evaluated, and oval canals were selected (2 ≤ Diameter Ratio ≤ 4). Fifty-seven teeth were assigned to root canal preparation (n = 19): Reciproc 40 (R40) in a… (More)
DOI: 10.1111/iej.12776

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