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

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.