Model Analysis of Anatomical Morphology Changes of Palatal Rugae Before and After Orthodontic Treatment

SUMMARY: Model analysis was performed to identify palatal rugae anatomical morphology patterns, evaluate their individual-specific properties and stability before and after orthodontic treatments, and investigate their reliability in the use for individual identification from the perspective of fore...

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Autores principales: Bing,Li, Kwon,Tae-Geon, Xiao,Wu, Kyung,Hee-Moon, Yun,Ke-Ming, Wu,Xiu-Ping
Lenguaje:English
Publicado: Sociedad Chilena de Anatomía 2017
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Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022017000401224
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spelling oai:scielo:S0717-950220170004012242019-09-16Model Analysis of Anatomical Morphology Changes of Palatal Rugae Before and After Orthodontic TreatmentBing,LiKwon,Tae-GeonXiao,WuKyung,Hee-MoonYun,Ke-MingWu,Xiu-Ping Forensic anthropology Palatal rugae Anatomical morphology Identification Orthodontics treatment SUMMARY: Model analysis was performed to identify palatal rugae anatomical morphology patterns, evaluate their individual-specific properties and stability before and after orthodontic treatments, and investigate their reliability in the use for individual identification from the perspective of forensic dentistry. Maxillary models of 70 patients were collected before and after orthodontic treatments, palatine images were taken under standard conditions. Pattern-based individual identification was performed through measuring some indices including changes in number, orientation, shape, and length of palatal rugae, as well as mesial and distal endpoint displacement of palatal rugae in the anteroposterior (AP) and mesiodistal (MD) direction. At the same time, maxillary models of 10 patients were randomly selected for individuality confirmation and the average rate of correct matches was calculated. palatal rugae anatomical morphology patterns were highly individual-specific. Palatine of the same pattern were not found before or after orthodontic treatment. Model-based analysis confirmed the high individual-specificity properties of the palatal rugae anatomical morphology patterns, and also showed that the incidence of any morphological change in the patterns after orthodontic treatment was 45.7 % for anteroposterior displacement of the distal endpoint of palatal rugae, 40 % for mesiodistal displacement of the distal endpoint of palatine, 32.9 % for anteroposterior displacement of the mesial endpoint of palatal rugae, and 17.1 % for mesiodistal displacement of the mesial endpoint of palatal rugae. The incidence of change in length, orientation and shape of palatine after orthodontic treatment was 28.6 %, 1.4 % and 1.4 % respectively; and the incidence of palatal segmentation and unification after orthodontic treatment was 4.3 % and 2.9 % respectively. The mean percentage of correct matches of the palatine patterns after orthodontic treatment to their duplicates was 99.05 % and the mean percentage of correct matches of the palatine patterns between before and after orthodontic treatment was 92.19 %. Palatal rugae anatomical morphology patterns are unique to each individual. After orthodontic treatment, palatal rugae have diverse presentation patterns. Although the diverse palatine patterns to a certain degree, influence individual identification in the field of forensic identification, palatal rugae patterns can be used as a novel method for individual identification in forensic dentistry.info:eu-repo/semantics/openAccessSociedad Chilena de AnatomíaInternational Journal of Morphology v.35 n.4 20172017-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022017000401224en10.4067/S0717-95022017000401224
institution Scielo Chile
collection Scielo Chile
language English
topic Forensic anthropology
Palatal rugae
Anatomical morphology
Identification
Orthodontics treatment
spellingShingle Forensic anthropology
Palatal rugae
Anatomical morphology
Identification
Orthodontics treatment
Bing,Li
Kwon,Tae-Geon
Xiao,Wu
Kyung,Hee-Moon
Yun,Ke-Ming
Wu,Xiu-Ping
Model Analysis of Anatomical Morphology Changes of Palatal Rugae Before and After Orthodontic Treatment
description SUMMARY: Model analysis was performed to identify palatal rugae anatomical morphology patterns, evaluate their individual-specific properties and stability before and after orthodontic treatments, and investigate their reliability in the use for individual identification from the perspective of forensic dentistry. Maxillary models of 70 patients were collected before and after orthodontic treatments, palatine images were taken under standard conditions. Pattern-based individual identification was performed through measuring some indices including changes in number, orientation, shape, and length of palatal rugae, as well as mesial and distal endpoint displacement of palatal rugae in the anteroposterior (AP) and mesiodistal (MD) direction. At the same time, maxillary models of 10 patients were randomly selected for individuality confirmation and the average rate of correct matches was calculated. palatal rugae anatomical morphology patterns were highly individual-specific. Palatine of the same pattern were not found before or after orthodontic treatment. Model-based analysis confirmed the high individual-specificity properties of the palatal rugae anatomical morphology patterns, and also showed that the incidence of any morphological change in the patterns after orthodontic treatment was 45.7 % for anteroposterior displacement of the distal endpoint of palatal rugae, 40 % for mesiodistal displacement of the distal endpoint of palatine, 32.9 % for anteroposterior displacement of the mesial endpoint of palatal rugae, and 17.1 % for mesiodistal displacement of the mesial endpoint of palatal rugae. The incidence of change in length, orientation and shape of palatine after orthodontic treatment was 28.6 %, 1.4 % and 1.4 % respectively; and the incidence of palatal segmentation and unification after orthodontic treatment was 4.3 % and 2.9 % respectively. The mean percentage of correct matches of the palatine patterns after orthodontic treatment to their duplicates was 99.05 % and the mean percentage of correct matches of the palatine patterns between before and after orthodontic treatment was 92.19 %. Palatal rugae anatomical morphology patterns are unique to each individual. After orthodontic treatment, palatal rugae have diverse presentation patterns. Although the diverse palatine patterns to a certain degree, influence individual identification in the field of forensic identification, palatal rugae patterns can be used as a novel method for individual identification in forensic dentistry.
author Bing,Li
Kwon,Tae-Geon
Xiao,Wu
Kyung,Hee-Moon
Yun,Ke-Ming
Wu,Xiu-Ping
author_facet Bing,Li
Kwon,Tae-Geon
Xiao,Wu
Kyung,Hee-Moon
Yun,Ke-Ming
Wu,Xiu-Ping
author_sort Bing,Li
title Model Analysis of Anatomical Morphology Changes of Palatal Rugae Before and After Orthodontic Treatment
title_short Model Analysis of Anatomical Morphology Changes of Palatal Rugae Before and After Orthodontic Treatment
title_full Model Analysis of Anatomical Morphology Changes of Palatal Rugae Before and After Orthodontic Treatment
title_fullStr Model Analysis of Anatomical Morphology Changes of Palatal Rugae Before and After Orthodontic Treatment
title_full_unstemmed Model Analysis of Anatomical Morphology Changes of Palatal Rugae Before and After Orthodontic Treatment
title_sort model analysis of anatomical morphology changes of palatal rugae before and after orthodontic treatment
publisher Sociedad Chilena de Anatomía
publishDate 2017
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022017000401224
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