Changes in the mandibular angle in the edentulous state

摘要: Summary Several textbooks of anatomy 1–5 and at least one prosthodontic text 6 make unsupported statements that the mandibular angle widens in edentulous state. A search literature for support those shows a disparity conclusions on subject. reports 27–29 merely does widen mandible. These articles present no original research. There are lend some verification widening angle. 11, 12, 16–18 However, an approximately equal number 13, 14, 19–21, 30 report nonwidening From these conflicting it would seem if indeed there is state, slight. This verified by results this study which mean increase 2.4 degrees state ( p = .001). The was 126.3 degrees. not come close to 140 mentioned two texts. 3, 4 If be made concerning angle, they should qualified with words "slight widening." 17,27,28 have stated dentures prevent conclusion refuted preliminary we measured angles men patients who never worn dentures. Sixty-eight were 34 Panelipse radiographs. age 60 years, time 16.5 years. group 124.6 degrees, less than found article, more as expected from first statement paragraph. evidence 17, 18, alone cause change adult. In other words, teeth lost, widen. also supports average women 3 5 larger men. 15, 29,