A study was made of 1156 crowns which had been fabricated for patients at the Prosthodontic Clinic of Matsumoto Dental College during 1986. Some of results were as follows: 1) 41.91% of the patients were males and 58.09% were females. 2) 84.43% of the patients were between 20 and 59 years old. 3) Crowns of the upper abutment teeth were more numerous than for the lower abutment teeth. 4) 72.40% of the crowns were fabricated for nonvital teeth. 5) 47.50% of the crowns were fabricated as full cast crowns, 21.63% as facing crowns (15.05% as porcelain fused to metal crowns, 6.57% as resin facing crowns), 9.17% as jacket crowns (all of which were resin jacket crowns), 19.03% as partial coverage crowns and 2.63% as dowel crowns.
昭和61年における冠・架工義歯補綴に関する統計的観察 その1 単独冠について
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