PMID: 9555212Apr 29, 1998Paper

Clinical and quantitative marginal analysis of feldspathic ceramic inlays at 4 years

Clinical Oral Investigations
K H FriedlB Bey

Abstract

The aim of this clinical study was to evaluate feldspathic ceramic inlays both by clinical criteria and quantitative margin analysis in continuation of an earlier, identically conducted 2-year study. Fifty feldspathic ceramic inlays were adhesively luted in Class II preparations with all margins located in enamel. The inlays were evaluated clinically according to modified USPHS criteria after 3 and 4 years. Quantitative margin analysis was performed with a scanning electron microscope (SEM). Clinically, the inlays showed no recurrent caries and no changes in colour, but superficial marginal discolouration (6%) was apparent after 4 years. Margins were perceptible clinically in 64% of the cases after 4 years. Quantitative margin analysis showed significantly more marginal gaps at the composite/ceramic interface than at the enamel/composite interface, There was neither a significant decrease in perfect margins nor a significant increase in marginal gaps and marginal imperfections at both interfaces between the third and fourth year. Clinically, the inlays performed very well up to 4 years. Clinical evaluation using an explorer only detected substance loss in the cementation gap. The SEM evaluation showed significantly higher chang...Continue Reading

Citations

Jun 10, 2000·Quality in Health Care : QHC·B L ChadwickE T Treasure
May 5, 2006·Journal of Oral Rehabilitation·D Gemalmaz, D Kükrer
Aug 27, 2005·Dental Materials : Official Publication of the Academy of Dental Materials·Norbert KrämerRoland Frankenberger
Jul 26, 2003·Journal of Oral Rehabilitation·D Yilmaz, D Gemalmaz
Apr 4, 2003·Clinical Oral Investigations·M HayashiH V Worthington
Apr 27, 2013·Journal of Esthetic and Restorative Dentistry : Official Publication of the American Academy of Esthetic Dentistry ... [et Al.]·Dean E KoisJohn C Kois

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