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Quintessence Publishing: Journals: QI
Quintessence International

Edited by Eli Eliav

ISSN 0033-6572 (print) • ISSN 1936-7163 (online)

November/December 2000
Volume 31 , Issue 10

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Restoring teeth that are endodontically treated through existing crowns. Part II: Survey of restorative materials commonly used

Glenn Trautmann, DMD/James L. Gutmann, DDS/Martha E. Nunn, DDS, PhD/David E. Witherspoon, BDSc, MS/Jay D. Shulman, DMD, MA, MSPH

Pages: 719-728
PMID: 11203999

Objective: A survey was undertaken to categorize the materials used for the restoration of endodontic access openings through complete-coverage crowns after completion of nonsurgical root canal treatment. Method and materials: The survey package consisted of a cover letter stating instructions, rationale, and purpose for the questionnaire, a questionnaire of 8 short-answer questions, and a stamped, self-addressed envelope. A randomized sample of active dentists (300 general practitioners, 300 prosthodontists, and 300 endodontists), was selected. Collected data were analyzed with the chi-square analysis. Results: Most general practitioners (93%), endodontists (61%), and prosthodontists (75%) reported that they frequently or always permanently restore teeth after nonsurgical root canal treatment. Empress was the all-ceramic system used most commonly by prosthodontists (42%) and general practitioners (38%). A statistically significant difference in restorative material preference was found (P < 0.0001), depending on the type of crown used. Conclusion: Amalgam alone and in combination with bonding agents are materials of choice for restoration of access openings through all-metal complete crowns, while resin composite is the choice for all types of complete crowns involving porcelain. Endodontists preferred other materials.

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