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1.
Braz. oral res. (Online) ; 34: e016, 2020. tab, graf
Article Dans Anglais | LILACS | ID: biblio-1089394

Résumé

Abstract Horizontal bone loss after tooth extraction is a common finding that demands bone reconstruction in various cases. The aim of this study was to assess the horizontal alveolar status in partially and completely edentulous patients using cone-beam computed tomography (CBCT). In total, 1516 CBCT scans of 1404 adult patients were analyzed. Assessment of the images was performed in accordance with the previously published horizontal alveolar change (HAC) classification, which categorizes horizontal bone defects into four classes: HAC 1, HAC 2, HAC 3 and HAC 4 (from the least severe to the most severe condition). Analysis of 1048 scans from partially edentulous patients presented a distribution of 63.55%, 22.14%, 13.36% and 0.95% in HAC 1, HAC 2, HAC 3 and HAC 4, respectively. Analysis of 468 scans from completely edentulous patient images presented a distribution of 19.87%, 28.63%, 41.67% and 9.83% in HAC 1, HAC 2, HAC 3 and HAC 4, respectively. Based on these results, as in HAC 4, no cancellous bone was found between the cortical buccal and lingual/palatal bone plates, it seems reasonable to state that the absence of cancellous bone is higher in completely edentulous patients than in partially edentulous patients. Therefore, the absence of cancellous bone seems to be higher in completely edentulous than in partially edentulous patients.


Sujets)
Humains , Mâle , Femelle , Adolescent , Adulte , Sujet âgé , Jeune adulte , Résorption alvéolaire/anatomopathologie , Résorption alvéolaire/épidémiologie , Bouche édentée/anatomopathologie , Bouche édentée/épidémiologie , Processus alvéolaire/anatomopathologie , Brésil/épidémiologie , Prévalence , Études rétrospectives , Résorption alvéolaire/imagerie diagnostique , Bouche édentée/imagerie diagnostique , Tomodensitométrie à faisceau conique/méthodes , Processus alvéolaire/imagerie diagnostique , Reconstruction de crête alvéolaire , Os spongieux/anatomopathologie , Os spongieux/imagerie diagnostique , Adulte d'âge moyen
2.
Perionews ; 9(4): 315-319, jul.-ago. 2015. ilus
Article Dans Portugais | LILACS | ID: lil-772179

Résumé

A correção assimétrica do sorriso é uma técnica cirúrgica realizada com o intuito de remodelar, dando um contorno estético a uma gengiva com excesso de tecido. É considerada uma técnica simples, porém, o profissional deve estar sempre atento às corretas indicações. Este trabalho pretendeu descrever um caso clínico de uma paciente com excesso gengival que foi submetida a uma cirurgia de caráter unicamente estético (gengivoplastia), para remoção do excesso de tecido e contorno gengival.


Sujets)
Humains , Femelle , Jeune adulte , Asymétrie faciale , Gingivoplastie , Procédures de chirurgie maxillofaciale et buccodentaire , Sourire
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