Dentistry and Practices [ISSN: 2581-4990]

A Seven Year Retrospective Comparative Study of All-Ceramic Crowns versus Metal Ceramic Crowns

Author(s): M Choy, A Nowakowski, M Barczak, I Pesun and A Kim

Aims: This paper presents a comparative study of all ceramic crowns and metal ceramic crowns placed on premolars and molars by dental students at the University of Manitoba, Rady Faculty of Health Sciences, Dr. Gerald Niznick College of Dentistry. The aim of the paper is to show where improvement is required in the clinically acceptable crown. The objective was to determine if all-ceramic crowns or metal ceramic crowns placed on premolar and molar teeth would reveal a difference in final results treated in the hands of dental students. 
Method: A systematic patient chart review was conducted and data was drawn from the Fixed Prosthodontic under-graduate recall criteria of the Dr. Gerald Niznick College of Dentistry. 
Results: The study revealed that the all-ceramic crowns and metal ceramic crowns in both molars and premolars did not show a statistical significant difference in the average errors produced by the two methods. 
Conclusion: While both types of crowns were clinically acceptable, molar all- ceramic crowns demonstrated problems with regards to shade and marginal adaptation.

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