Micro-Osteoperforations to Accelerate Maxillary Canine Retraction in Class I Malocclusion

Effectiveness of Micro-Osteoperforations (MOPs) in Accelerating Maxillary Canine Retraction in Angle Class I Malocclusion: A Randomized Controlled Trial.

This single-blinded, split-mouth randomized controlled trial investigates whether micro-osteoperforations (MOPs) can accelerate maxillary canine retraction in orthodontic patients requiring bilateral premolar extraction. The study also evaluates postoperative pain levels using the Visual Analog Scale at 1, 3, and 7 days.

MOPs are a flapless, minimally invasive surgical technique that stimulates bone remodeling and may reduce orthodontic treatment time. In this trial, one side of each patient receives MOPs while the contralateral side serves as control. Canine retraction is performed using miniscrews, power arms, and NiTi coil springs. Outcomes include the rate of canine movement over 16 weeks and pain assessment using VAS.

Inclusion Criteria:

• Age 16-25 years
• Patients requiring bilateral extraction of maxillary first premolars as part of orthodontic treatment
• Angle Class I molar relationship
• No previous orthodontic treatment

Exclusion Criteria:

• History of craniofacial trauma or congenital anomalies
• Systemic or bone-related diseases
• Current smoking
• Use of medications affecting bone metabolism