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Leucite-reinforced glass ceramic inlays and onlays after six years: clinical behavior.
Oper Dent. 2000 Nov-Dec; 25(6):459-65.OD

Abstract

Ceramic inlays are an esthetic substitute for large amalgam and other metallic restorations. This controlled clinical study evaluated the performance of IPS Empress inlays and onlays with cuspal replacements and proximal margins below the cementoenamel junction over six years of clinical service. Six dentists placed 96 ceramic restorations in 34 patients. Luting was accomplished using the enamel-etch-technique, a dentin bonding system (Syntac Classic) and four different composite systems. The restorations were assessed by two calibrated investigators using modified USPHS criteria at baseline (96 restorations), one (96), two (95), four (89) and six years (67). Seven of the 96 restorations investigated had to be replaced (failure rate 7%; Kaplan-Meier): Five inlays suffered cohesive bulk fractures and two teeth required endodontic treatment. After six years of clinical service, significant deterioration (Friedman 2-way ANOVA; p < 0.05) was found for marginal adaptation of the remaining restorations. Ninety-four percent of the surviving restorations exhibited marginal deficiencies, independent of the luting composite. Neither the absence of enamel margins, nor cuspal replacement significantly affected the quality of the restorations.

Authors+Show Affiliations

Policlinic for Operative Dentistry and Periodontology, University of Erlangen-Nuremberg, Glueckstrasse 11, D-91054 Erlangen, Germany.No affiliation info availableNo affiliation info available

Pub Type(s)

Clinical Trial
Controlled Clinical Trial
Journal Article

Language

eng

PubMed ID

11203857

Citation

Frankenberger, R, et al. "Leucite-reinforced Glass Ceramic Inlays and Onlays After Six Years: Clinical Behavior." Operative Dentistry, vol. 25, no. 6, 2000, pp. 459-65.
Frankenberger R, Petschelt A, Krämer N. Leucite-reinforced glass ceramic inlays and onlays after six years: clinical behavior. Oper Dent. 2000;25(6):459-65.
Frankenberger, R., Petschelt, A., & Krämer, N. (2000). Leucite-reinforced glass ceramic inlays and onlays after six years: clinical behavior. Operative Dentistry, 25(6), 459-65.
Frankenberger R, Petschelt A, Krämer N. Leucite-reinforced Glass Ceramic Inlays and Onlays After Six Years: Clinical Behavior. Oper Dent. 2000 Nov-Dec;25(6):459-65. PubMed PMID: 11203857.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Leucite-reinforced glass ceramic inlays and onlays after six years: clinical behavior. AU - Frankenberger,R, AU - Petschelt,A, AU - Krämer,N, PY - 2001/2/24/pubmed PY - 2001/4/17/medline PY - 2001/2/24/entrez SP - 459 EP - 65 JF - Operative dentistry JO - Oper Dent VL - 25 IS - 6 N2 - Ceramic inlays are an esthetic substitute for large amalgam and other metallic restorations. This controlled clinical study evaluated the performance of IPS Empress inlays and onlays with cuspal replacements and proximal margins below the cementoenamel junction over six years of clinical service. Six dentists placed 96 ceramic restorations in 34 patients. Luting was accomplished using the enamel-etch-technique, a dentin bonding system (Syntac Classic) and four different composite systems. The restorations were assessed by two calibrated investigators using modified USPHS criteria at baseline (96 restorations), one (96), two (95), four (89) and six years (67). Seven of the 96 restorations investigated had to be replaced (failure rate 7%; Kaplan-Meier): Five inlays suffered cohesive bulk fractures and two teeth required endodontic treatment. After six years of clinical service, significant deterioration (Friedman 2-way ANOVA; p < 0.05) was found for marginal adaptation of the remaining restorations. Ninety-four percent of the surviving restorations exhibited marginal deficiencies, independent of the luting composite. Neither the absence of enamel margins, nor cuspal replacement significantly affected the quality of the restorations. SN - 0361-7734 UR - https://www.unboundmedicine.com/medline/citation/11203857/Leucite_reinforced_glass_ceramic_inlays_and_onlays_after_six_years:_clinical_behavior_ L2 - https://www.lens.org/lens/search/patent/list?q=citation_id:11203857 DB - PRIME DP - Unbound Medicine ER -