| 释义 |
orthodontic, a. and n. Dentistry.|ɔːθəʊˈdɒntɪk|
[f. ortho- + Gr. ὀδοντ-, ὀδούς tooth + -ic.]
A. adj. Serving to correct the positions of the teeth; of or pertaining to orthodontics.
1905Brit. Dental Jrnl. XXVI. 993 (heading) Where extraction is justifiable in connection with orthodontic operations. 1939S. J. Bregstein Dentist & his Control of Pract. v. 155 Speech defects, psychiatric disturbances, personality changes, rhinological pathoses all are correctable through orthodontic measures. 1962Blake & Trott Periodontology xiv. 148 More permanent and more satisfactory immobilization can be obtained by fitting stainless steel orthodontic bands to each individual tooth. 1974Trans. European Orthodontic Soc. 1973 403 A practitioner undertakes treatment in co-operation with the fully-trained orthodontic specialist.
B. n. pl. The branch of dentistry concerned with the treatment and prevention of irregularities of the teeth and jaws. Usu. const. as sing.
1909Trans. Brit. Soc. Study Orthodontics II. 86 The President..said that it was decided..that some change should take place in the name of the society. The council..thought it desirable..the name of the society should be ‘The British Society for the Study of Orthodontics’. He said..they had had the opinion of Dr. Murray the great philologist, of Oxford, to guide them. Mr. [C.] Schelling, as the originator of the suggested new title, here explained why he introduced the word Orthodontics. Mr. Schelling proposed..that the title of the society should be changed to the above, and..the motion was carried. 1939L. B. Higley in Higley & Boyd Dentistry for Children ix. 218 Many difficult problems confronting the general dentist and orthodontist could be eliminated if preventative orthodontics were more thoroughly understood and practiced by all dentists who do work for children. 1941J. D. McCoy Appl. Orthodontics (ed. 5) 6 Orthodontics has an abundant literature. 1955G. M. Anderson Dewey's Pract. Orthodontics (ed. 8) ii. 89 Does orthodontics today differ from the practice of forty..years ago? 1971Daily Tel. 24 Sept. 11/5 Unknown to many mothers, orthodontics (correction of irregularities in teeth) are available on the National Health Service.
Hence orthoˈdontically adv., with regard to orthodontics.
1935G. M. Anderson Dewey's Pract. Orthodontia (ed. 5) xxii. 458 Cases which though completed orthodontically were never satisfactory esthetically. 1940M. G. Swenson Complete Dentures xxvi. 436 Orthodontically any movement of a tooth or teeth..will cause a change in the relationship of the inclines of the moved teeth to the remainder of the teeth. 1972Biol. Abstr. LIV. 4614/2 An orthodontically interesting pair of twins. |