Functional adaptability to changes in lower denture shape.
Forces exerted on the right and left lingual and buccal flanges of Kennedy Type I mandibular dentures were studied using an 8 channel recording technique, during resting, swallowing, talking, reading and simulated mastication. The effects of adaptation, head position and incremental thickening of the flanges were determined. Highest forces were recorded when swallowing, with smaller differences between the other activities. Lingual forces were higher than buccal, and posterior forces higher than anterior ones. There was a highly significant relationship between increases in flange thickness of 2 and 3mm and increases in peak forces. Evidence for adaptation and effects related to head position was weaker.
Yazdanie
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Department of Prosthetic Dentistry, Eastman Dental Institute for Oral Health Care Sciences, University of London, UK.
Hobkirk
J A
JA
D000222:Adaptation, Physiological; D001732:Bite Force; D002138:Calibration; D003761:Dental Impression Technique; D017267:Dental Prosthesis Design / Q000706:statistics & numerical data; D003827:Denture, Complete, Upper / Q000706:statistics & numerical data; D003832:Denture, Partial, Removable / Q000706:statistics & numerical data; D006801:Humans; D007576:Jaw, Edentulous, Partially / Q000503:physiopathology / Q000523:psychology / Q000534:rehabilitation; D008334:Mandible; D008437:Maxilla; D015999:Multivariate Analysis; D013236:Stereognosis