Comparative Evaluation of the Surface Area of the Maxillary and Mandibular Denture Bearing Area According to Arch Shapes Obtained Through A Manually Molded Impression.

Abstract

Objective:This study was done to compare the surface area of the maxillary and mandibular denture bearing area obtained through a manually molded impression in an open mouth selective pressure technique.Methodology:Final impression was made in 60 patients with zinc oxide eugenol impression paste, poured in dental stone to get master cast. Denture bearing area was marked with an indelible pencil. The number of squares were calculated which constituted the denture bearing area.Results:Square arch form provides more surface area than ovoid and tapering which in turn increases the retention and support.Conclusion:The variance and standard deviation of the surface area of square, ovoid, and tapering arch shapes of maxillary dentures were very much significant and in case of Mandibular dentures were less significant.