Dentist material selection for single-unit crowns

Findings from the National Dental Practice-Based Research Network

National Dental PBRN Collaborative Group

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

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.

Original languageEnglish (US)
Pages (from-to)40-47
Number of pages8
JournalJournal of Dentistry
Volume55
DOIs
StatePublished - Dec 1 2016

Fingerprint

Dentists
Crowns
Tooth
Research
Dental Porcelain
Metals
Insurance Coverage
Ceramics
zirconium oxide

Keywords

  • Crowns
  • Dental materials
  • Dentistry
  • Prosthodontics

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Dentist material selection for single-unit crowns : Findings from the National Dental Practice-Based Research Network. / National Dental PBRN Collaborative Group.

In: Journal of Dentistry, Vol. 55, 01.12.2016, p. 40-47.

Research output: Contribution to journalArticle

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abstract = "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.",
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author = "{National Dental PBRN Collaborative Group} and Makhija, {Sonia K.} and Lawson, {Nathaniel C.} and Gilbert, {Gregg H.} and Litaker, {Mark S.} and McClelland, {Jocelyn A.} and Louis, {David R.} and Gordan, {Valeria V.} and Pihlstrom, {Daniel J.} and Cyril Meyerowitz and Rahma Mungia and McCracken, {Michael Scott}",
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