Three years retrospective clinical evaluation of endodontically treated premolars restored by cast ceramic onlays
10.7518/hxkq.2015.03.010
- VernacularTitle:铸造陶瓷高嵌体修复根管治疗后前磨牙的3年临床效果观察
- Author:
Zhi LI
1
;
Chengzhi GAO
;
Yongwei XU
;
Jingling XU
Author Information
1. 北京大学人民医院口腔科
- Keywords:
onlay;
cast ceramic;
root canal therapy;
premolar
- From:
West China Journal of Stomatology
2015;(3):263-266
- CountryChina
- Language:Chinese
-
Abstract:
ObjectiveThis?study?aimed?to?evaluate?the?success?and?survival?rate?of?endodontically?treated?premolars?restored?by?ceramic?onlays?by?comparing?restored?by?quartz?fiber?posts?and?metal?ceramic?crowns.?Methods???Ninety-four?patients?with?126?endodontically?treated?premolars?were?enrolled?in?this?study?and?divided?into?4?groups?according?to?the?remaining?axial?walls?and?restorative?methods.?The?observation?time?was?36?months.?The?success?and?survival?rates?of?the?restorations,?as?well?as?causes?of?failures,?were?analyzed.?Results???At?the?final?follow-up,?the?success?and?survival?rates?of?the?mild?defect?endo-dontically?treated?premolars?were?restored?by?quartz?fiber?posts?and?the?crowns?were?at?96.3%?and?98.1%;?the?success?and?survival?rates?of?the?severe?defect?premolars?restored?by?quartz?fiber?posts?and?crowns?were?at?88.5%?and?96.2%.?The?success?and?survival?rates?of?the?mild?defect?premolars?restored?by?cast?ceramic?onlays?were?both?at?96.6%,?the?success?and?survival?rates?of?the?severe?defect?premolars?restored?by?cast?ceramic?onlays?were?at?94.1%?and?100%,?respectively.?The?success?and?survival?rates?of?the?different?groups?were?no?significant?difference?(P>0.05).?Conclusion???Based?on?the?results?and?within?the?limits?of?this?study,?cast?ceramic?onlays?is?a?very?reliable?method?to?restore?endodontically?treated?premolars.
