To intrude or not to intrude? A systematic review of the controversy surrounding orthodontic intrusion on reduced periodontium.

Int Orthod

Service d'odontologie, CHU de Clermont-Ferrand, Université de Clermont Auvergne, CROC, 63000 Clermont-Ferrand, France. Electronic address:

Published: March 2024

Objective: The main objective of this review was to evaluate the effects of orthodontic intrusion on patients with reduced periodontium. Additionally, this review aims to explore the potential for attachment gain and tissue regeneration in these patients and identify optimal therapeutic conditions to mitigate any negative effects of intrusion.

Methods: A systematic review was conducted according to the PRISMA 2020 statement. Duplicate electronic searches of the PubMed, Cochrane, EMC Premium, and Science Direct databases were performed by two independent reviewers. Data extraction and quality assessments, including risk of bias evaluation using the Cochrane and ROBINS-I tools were conducted.

Results: From an initial pool of 418 articles, 29 were selected after title and abstract screening for full-text review. Following thorough full-text reading, 15 studies were ultimately included in the analysis. The total number of patients included in the studies is 528, who underwent orthodontic intrusion on reduced periodontium. Studies indicated a decrease in periodontal pocket depth and an increase in clinical attachment with ortho-periodontal treatment. Alveolar bone level outcomes varied, showing both increases and losses. Authors generally observed improved papillary regeneration and reduced gingival recessions.

Conclusion: Clinical studies involving combined ortho-periodontal treatment showed that orthodontic intrusion on a reduced but healthy periodontium can be considered a beneficial treatment for the periodontium, provided that potential adverse effects are carefully monitored.

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http://dx.doi.org/10.1016/j.ortho.2023.100841DOI Listing

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