| matrix band |
a cylindrical stainless steel or copper band or short tube with a special clamp or holder; it is filled with a softened impression compound and seated over a tooth, so that the compound flows into the prepared cavity and an impression of a single tooth can be obtained. Also used in the placement and contouring of restorative materials such as resin or glass ionomer cement, and to form the fourth wall of a class II cavity preparation during the condensation of an amalgam restoration.
출처: www.merckmedicus.com/pp/us/hcp/thcp_dorlands_conte...
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