Comparison of the effects of polymer ceramic onlay and all ceramic crown in short crown molar

Author: GUAN Darong ^{1
,

2} ; ZHANG Deying ^{1
,

2} ; ZOU Kangyuan ^{1
,

2} ; CHEN Jueqing ^{1
,

2}
Author Information

1. Foshan City Xiangyang Hospital·
2. Stomatological Hospital of Chancheng District.
Publication Type:Journal Article
Keywords: Onlay; Polymeric porcelain; All ceramic crown; Short crown molar
From: Journal of Prevention and Treatment for Stomatological Diseases 2017;25(8):533-536
CountryChina
Language:Chinese
Abstract: Objective :To compare the clinical effects of polymer ceramic onlay and all ceramic crown in short crown molars
Methods : 45 cases of polymer ceramic onlay and 45 cases of Zirconium dioxide all ceramic crowns which repaired the short crowm molars after root canal therapy were compared clinically from the aspects of beauty of restoration, fracture and dislodgement, marginal adaptation and the preservation of abutment teeth.
Results : One polymer ceramic onlay had fall out form the teeth after half year, while the all ceramic crowns have been 8 cases after 6~12 months. There were significant differences in fracture and dislodgement between the two groups (χ2=4.44, P < 0.05).
Conclusion : Polymer ceramic onlay has good clinical effects in the restoration of short crown molars.
Full text:聚合瓷高嵌体与全瓷冠在短冠后牙修复中的疗效比较.pdf