A study was made of 758 crowns which had been fabricated for patients at the Prosthodontic Clinic of Matsumoto Dental College during 1990. Some of results were as follows: 1) 40.0% of the patients were males and 60.0% were females. 2) 90.5% of the patients were between 20 and 69 years old. 3) Crowns of the upper abutment teeth were more numerous than for the lower abutment teeth. 4) 71.4% of the crowns were fabricated for nonvital teeth. 5) 42.9% of the crowns were fabricated as full cast crowns, 24.9% as facing crowns (20.1% as porcelain fused to metal crowns, 4.9% as resin facing crowns), 10.7% as jacket crowns (10.4% as resin jacket crowns and 0.3% as porcelain jacket crowns), 21. 0% as partial coverage crowns and 0.5% as dowel crowns.
平成2年における冠・架工義歯に関する統計的観察 その1 単独冠について
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