Hand cutting instruments allow the dentist, dental hygienist or dental assistant to remove decay manually from teeth for final restoration. The hand cutting instruments include the chisel, excavator, elevator, gingival margin trimmer, hand piece, hoe, hatchet, scalar, and Wilson.13 Apr 2018
Is a carver a cutting instrument?
Chisels are primarily used for cutting enamel and may be subdivided further into straight chisels, curved chisels, bin-angle chisels, enamel hatchets, and gingival margin trimmers. Other cutting instruments may be subdivided as knives, files, scalers, and carvers.9 Jan 2015
What are the classifications of dental hand instruments?
Categories. The hand instruments used in the dental operatory may be categorized as (1) cutting (excavators, chisels, and others) or (2) non-cutting (amalgam condensers, mirrors, explorers, probes). Excavators may be subdivided further into ordinary hatchets, hoes, angle formers, and spoons.9 Jan 2015
What is a cutting instrument?
(ĭn′strə-mənt) 1. A tool or implement used to do or facilitate work, especially a small precision tool used by a professional: sterilized the scalpel and other surgical instruments. 2.
What are the three parts of dental hand instruments?
Each hand instrument is composed of three parts: the handle, the shank, and the blade. The handle can be small, medium, or large, smooth or serrated. On the handle are two numbers.
What are non cutting instruments?
Non cutting instruments. These instruments are used to cut hard or soft tissue of the mouth. Hand cutting instruments are composed of three parts: handle, shank and blade (Fig 1). For non cutting instrument; the part corresponding to the blade is termed the nib or working end.
What are cutting instruments in dentistry?
The hand cutting instruments include the chisel, excavator, elevator, gingival margin trimmer, hand piece, hoe, hatchet, scalar, and Wilson. Chisel used to break down the enamel margin of the tooth preparation, to form sharp lines and point angles, and to place retention grooves.13 Apr 2018