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A comparative study on microgap of premade abutments and abutments cast in base metal alloys
Jaini Jaini Lalithamma1, Sreekanth Anantha Mallan, Pazhani Appan Murukan
11 Department of Prosthodontics, Educare Institute of Dental Sciences, Malappuram, Kerala, India.
Abstract:
The study compared the marginal accuracy of premade and cast abutments. Premade titanium, stainless steel, and gold abutments formed the control groups. Plastic abutments were cast in nickel-chromium, cobalt-chromium and grade IV titanium. The abutment/implant interface was analyzed. Analysis of variance and Duncan's multiple range test revealed no significant difference in mean marginal microgap between premade gold and titanium abutments and between premade stainless steel and cast titanium abutments. Statistically significant differences (P < .001) were found among all other groups.
