Utilizing a novel radiographic image segmentation method for the assessment of periodontal healing following regenerative surgical treatment.


Journal

Quintessence international (Berlin, Germany : 1985)
ISSN: 1936-7163
Titre abrégé: Quintessence Int
Pays: Germany
ID NLM: 0342677

Informations de publication

Date de publication:
11 May 2022
Historique:
pubmed: 12 3 2022
medline: 17 5 2022
entrez: 11 3 2022
Statut: ppublish

Résumé

The aim of the current article was to present a radiographic method to determine the surface area of newly formed periodontal attachment, as well as to analyze volumetric and morphologic changes after regenerative periodontal treatment. In this retrospective study, 11 singular intrabony periodontal defects were selected for minimally invasive surgical treatment and 3D evaluation. 3D virtual models were acquired by the segmentation of pre- and postoperative CBCT scans. This study determined the surface area of baseline periodontal attachment (RSA-A) and defect-involved root surface (RSA-D) on the preoperative 3D models, and the surface area of new periodontal attachment (RSA-NA) on the postoperative models. Finally, cumulative change of periodontal attachment (∆RSA-A) was calculated and Boolean subtraction was applied on pre- and postoperative 3D models to demonstrate postoperative 3D hard tissue alterations. The average RSA-A was 84.39 ± 33.27 mm2, while the average RSA-D was 24.26 ± 11.94 mm2. The average surface area of RSA-NA after regenerative periodontal surgery was 17.68 ± 10.56 mm2. Additionally, ∆RSA-A was determined to assess the overall effects of ridge alterations on periodontal attachment, averaging 15.53 ± 12.47 mm2, which was found to be statistically significant (P = .00149). Lastly, the volumetric hard tissue gain was found to be 33.56 ± 19.35 mm3, whereas hard tissue resorption of 26.31 ± 38.39 mm3 occurred. The proposed 3D radiographic method provides a detailed understanding of new periodontal attachment formation and hard tissue alterations following regenerative surgical treatment of intrabony periodontal defects.

Identifiants

pubmed: 35274512
pii: 2793209
doi: 10.3290/j.qi.b2793209
doi:

Types de publication

Journal Article

Langues

eng

Pagination

492-501

Auteurs

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Classifications MeSH