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AR-SA In this research, by using limited elements,
distribution of tensions in mesial and distal rests on root surfaces of
abutment teeth of removable partial dentures was studied. First mandibular
premolar was divided into 48 triangular elements. mastication force and thickness of covering tissue were
considered 30 pounds and 2.5 mm respectively. During the movements toward the
tissue, the tension on abutment teeth with mesial rests was lower and more
uniform in comparison to distal rests.
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