| 单词 | impression material |
| 释义 | > as lemmasimpression material impression material n. any substance used for taking dental impressions. ΘΚΠ the world > health and disease > healing > dentistry > [noun] > models or casts > impression material impression material1878 1878 C. Hunter Mech. Dentistry i. 2 Wax as an impression material is now seldom used, composition (Godiva, or Stent) or plaster of Paris being now almost invariably employed. 1965 R. W. Phillips & E. W. Skinner Elem. Dental Materials iv. 33 If a rigid impression material has been used (i.e., plaster, compound, etc.), the mix of dental stone is poured into the impression carefully, preferably under vibration. < as lemmas |
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