| 单词 |
pinledge |
| 释义 |
pinledge Dentistry.|ˈpɪnlɛdʒ|
[f. pin n.1 + ledge n.; cf. prec.]
A pinlay, esp. one covering the lingual surface of a tooth and dependent on pins inserted in ledges cut in the tooth for retention and stability.
1915J. K. Burgess in Dental Cosmos LVII. 1342/1 (heading) ‘Pinledge’ bridge attachment for anterior teeth. Ibid., The anterior attachment is an outgrowth of the pinlay, being constructed on the same principle. I have chosen to call it the ‘pinledge’. 1952Dental Practitioner II. 328/1 The pinlay, or pinledge preparation as it is often called, for incisor or canine bridge abutment, has been known in one form or another for many years. 1973D. H. Roberts Fixed Bridge Prostheses vii. 125 The pinledge preparation. This differs from the three-quarter pinlay in that the incisal edge of the tooth is not involved and so no gold is displayed labially. 1975G. T. Charbeneau et al. Princ. & Pract. Operative Dentistry xiv. 387/1 The pinledge design may be used on incisor and cuspid teeth with conservative loss of tooth tissue. |
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