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Surface area analysis in edentulous jaws of patients with skeletal class I

Author(s): Poštić Srđan D.

Journal: Stomatološki Glasnik Srbije
ISSN 0039-1743

Volume: 58;
Issue: 4;
Start page: 209;
Date: 2011;
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Keywords: edentulous | bone | mandible | maxilla

Introduction. The surface area of edentulous jaw has been considered as an important functional and anthropometric parameter. The aim of this study was to assess the surface area of supporting tissue in edentulous jaws of patients with the skeletal class I. Material and Methods. Thin aluminum foils (0.5 mm of thickness) were adapted on plaster surfaces of 139 pairs of edentulous jaws casts. Foils were positioned on a millimeter-paper in order to measure their areas. Additionally, surface areas were measured using a mechanic plan-meter (G. Coradi, Zurich, Switzerland, serial no. 49823). The measurement error was 1%. Skeletal class of edentulous jaws was determined by analysis of lateral cephalometric radiographs, and assessing the ANB (SNA, SNB) angle. Results. The average surface area of edentulous upper jaws was 4654±407 mm2 in males, and 4212±368 mm2 in females. Edentulous lower jaws had average surface area of 2843±339 mm2 in males, and 2334±295 mm2 in females. Statistically significant difference (p
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