trimmer(redirected from hearth trimmer)
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A device or instrument used to shape something by cutting off the material along its margin.
gingival margin trimmer
A cutting instrument for shaping gingival contours. It has a curved and angled shaft for use either on the right or left sides and on the mesial or distal surfaces.
A rotary flat grinder used to trim dental plaster or stone casts. Water keeps the cutting surface clean and obviates any dust problem as the casts are squared into proper study models.