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Denture-reversing technique for assessing the soft tissue dimensional changes according to artificial tooth position in completely edentulous patients

Authors
 Kyung Chul Oh  ;  Jee-Hwan Kim  ;  Nahong Kim  ;  Hong Seok Moon 
Citation
 JOURNAL OF PROSTHETIC DENTISTRY, Vol.124(2) : 157-160, 2020-08 
Journal Title
JOURNAL OF PROSTHETIC DENTISTRY
ISSN
 0022-3913 
Issue Date
2020-08
MeSH
Denture, Complete ; Humans ; Mouth, Edentulous* ; Software ; Tooth, Artificial*
Abstract
A digital workflow to assess the soft tissue dimensional changes in completely edentulous patients is described. Diagnostic casts obtained at 2 time points and the complete denture were scanned by using a desktop scanner. The denture scan was inverted by using a metrology software program to obtain the soft tissue contour. Using this reversed file as a reference, the file and 2 scan files obtained at different time points were aligned individually with the best fit alignment function. The scanned denture file and the 2 realigned scan files were imported into the same software. A plane vertical to the occlusal plane was determined such that it moved anteroposteriorly. The distance between the contours of the 2 realigned files was measured by selecting a point and a vector based on the artificial tooth positions of the denture. This technique of using a reversed denture file may provide a quantitative evaluation of soft tissue changes and further aid in determining appropriate intervals for denture relining or rebasing.
Full Text
https://www.sciencedirect.com/science/article/pii/S0022391319304196
DOI
10.1016/j.prosdent.2019.06.007
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Prosthodontics (보철과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Jee Hwan(김지환) ORCID logo https://orcid.org/0000-0002-0872-4906
Moon, Hong Seok(문홍석) ORCID logo https://orcid.org/0000-0001-8118-8145
Oh, Kyung Chul(오경철) ORCID logo https://orcid.org/0000-0003-4584-2597
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/183896
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