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Eur J Prosthodont Restor Dent ; 23(3): P141-9, 2015 Sep.
Article in English | MEDLINE | ID: mdl-26591250

ABSTRACT

OBJECTIVES: To evaluate teeth preparation designs for metal-ceramic crowns in private dental practice in Jordan. MATERIALS AND METHODS: One-hundred and seventy two dies were included. Different aspects of tooth preparations were quantified, analyzed and compared with the recommended guidelines. RESULTS: Almost 64% of preparations finish lines were positioned subgingivally. Shoulder finish lines were observed in 74.4% where-as 22.7% showed chamfer finish lines. Total occlusal convergence angles were 29.8 degrees in BL plane, 247 degrees in MD plane. CONCLUSIONS: Dental practitioners in private practice in Jordan did not fully adhere to the recommendedguidelines for tooth preparations for MCRs.


Subject(s)
Crowns , Tooth Preparation, Prosthodontic/standards , Bicuspid/anatomy & histology , Dental Porcelain/chemistry , Dental Prosthesis Design/standards , General Practice, Dental , Gingiva/anatomy & histology , Guideline Adherence , Humans , Metal Ceramic Alloys/chemistry , Models, Dental , Molar/anatomy & histology , Practice Guidelines as Topic , Prosthodontics , Surface Properties
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