Clinical effects of two kinds of porcelain fused to metal crown
10.3760/cma.j.issn.1008-6706.2012.02.011
- VernacularTitle:两种不同烤瓷冠修复的疗效比较
- Author:
Jinhui XUE
- Publication Type:Journal Article
- Keywords:
Nickel-chromium alloy;
Porcelain crown
- From:
Chinese Journal of Primary Medicine and Pharmacy
2012;19(2):183-184
- CountryChina
- Language:Chinese
-
Abstract:
Objective To compare advantages and disadvantages of ceramic crown and porcelain fused to metal(PFM),provide better rehabilitation ways for patients.Methods 258 porcelains were,divided into two groups:ceramic crown group 98 and metal ceramic crowns group 160,for preparation of abutment,modulus,colorimetric,feed production.Results Follow-up observation for 2 years,the 15 crowns of all appeared the gingival edge coloring with different degree,are PFM,10 patients were not satisfied with the color of restorations.8 repair body porcelain.Conclusion Inner crown metal of PFM is thin and light,with high hardness and compressive strength.It rarely occur deformation since repeated the barbecue at high temperatures,so suitable for large span bridge restoration.Ceramic crown because of no metal structure,good light transmission and light reflecting function,can reproduce the natural teeth translucent depth and color depth,strong sense of hierarchy,suitable for the repair of anterior teeth.
