Bone changes in the mandibular incisors after orthodontic correction of dental crowding without extraction: A cone-beam computed tomographic evaluation.
Alveolar Bone Loss
Cone-Beam Computed Tomography
Tooth Movement Techniques
Journal
Imaging science in dentistry
ISSN: 2233-7822
Titre abrégé: Imaging Sci Dent
Pays: Korea (South)
ID NLM: 101559249
Informations de publication
Date de publication:
Jun 2021
Jun 2021
Historique:
received:
21
09
2020
revised:
16
12
2020
accepted:
12
01
2021
entrez:
8
7
2021
pubmed:
9
7
2021
medline:
9
7
2021
Statut:
ppublish
Résumé
This study aimed to evaluate changes of the alveolar bone and interdental bone septum of the mandibular incisors through cone-beam computed tomography (CBCT) after orthodontic treatment of mandibular dental crowding without dental extraction. The sample consisted of 64 CBCT images (32 pre-treatment and 32 post-treatment) from 32 adult patients with class I malocclusion and an average age of 23.0±3.9 years. The width and height of the alveolar bone and interdental septum, the distance between the cementoenamel junction (CEJ) and the facial and lingual bone crests, and the inclination of the mandibular incisors were measured. The distance between the CEJ and the marginal bone crest on the facial side increased significantly ( Bone dehiscence developed during the treatment of crowding without extraction only on the incisors' facial side. Increasing proclination of the mandibular incisor was not correlated with bone dehiscence. The degree of dental crowding assessed through the irregularity index was associated with the risk of developing bone dehiscence. The interdental septum reflected facial marginal bone loss in the mandibular incisors.
Identifiants
pubmed: 34235061
doi: 10.5624/isd.20200260
pmc: PMC8219450
doi:
Types de publication
Journal Article
Langues
eng
Pagination
155-165Informations de copyright
Copyright © 2021 by Korean Academy of Oral and Maxillofacial Radiology.
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