Clinical study on the complete denture edge position and shape

VernacularTitle:全口义齿基托边缘位置及形态的临床研究
Author: Peng ZHANG ; Ting JIANG
Publication Type:Journal Article
Keywords: Complete denture; Base outline; Adjustment
From: Journal of Practical Stomatology 2016;32(3):393-396
CountryChina
Language:Chinese
Abstract: Objective:To analyse the actual position of denture base and its relationship with the anatomic marks of alveolar ridge. Methods:According to the standardized process,10 sets of complete dentures were fabricated for edentulous patients by taking func-tional impression.Before and after completion of denture fabrication,trial wearing and full adjustment one week after application,the margin extension,thickness and form of the denture bases were measured.The relationship of denture base outline with anatomic marks of alveolar ridges was observed.Results:The most adjusted regions of upper and lower complete denture bases were hamular notch area,buccal shed area,far middle buccal corner region and retromylohyoid ridge area(P <0.05).Buccal outline of mandibular base was consistent with the external oblique ridge and the base edge corresponding to masseter muscle attachment in far middle buccal corner region was excluded from the base.Lingual outline was relieved in area of lingual frenum and was consistent with mandibular torus.Conclusion:Denture base is easily over extended in hamular notch area,buccal shed area,far middle buccal corner region and retromylohyoid ridge area.