期刊
JOURNAL OF DENTISTRY
卷 55, 期 -, 页码 40-47出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jdent.2016.09.010
关键词
Dentistry; Prosthodontics; Crowns; Dental materials
资金
- NIH [U19-DE-22516]
Objectives: Dentists enrolled in the National Dental Practice-Based Research Network completed a study questionnaire about techniques and materials used for single-unit crowns and an enrollment questionnaire about dentist/practice characteristics. The objectives were to quantify dentists' material recommendations and test the hypothesis that dentist's and practice's characteristics are significantly associated with these recommendations. Methods: Surveyed dentists responded to a contextual scenario asking what material they would use for a single-unit crown on an anterior and posterior tooth. Material choices included: full metal, porcelain fused-to-metal (PFM), all-zirconia,layered zirconia, lithium disilicate, leucite-reinforced ceramic, or other. Results: 1777 of 2132 eligible dentists responded (83%). The top 3 choices for anterior crowns were lithium disilicate (54%), layered zirconia (17%), and leucite-reinforced glass ceramic (13%). There were significant differences (p < 0.05) by dentist's gender, race, years since graduation, practice type, region, practice busyness, hours worked/week, and location type. The top 3 choices for posterior crowns were all-zirconia (32%), PFM (31%), and lithium disilicate (21%). There were significant differences (p < 0.05) by dentist's gender, practice type, region, practice busyness, insurance coverage, hours worked/week, and location type. Conclusions: Network dentists use a broad range of materials for single-unit crowns for anterior and posterior teeth, adopting newer materials into their practices as they become available. Material choices are significantly associated with dentist's and practice's characteristics. Clinical significance: Decisions for crown material may be influenced by factors unrelated to tooth and patient variables. Dentists should be cognizant of this when developing an evidence-based approach to selecting crown material. (C) 2016 Elsevier Ltd. All rights reserved.
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