Evaluation of Micro-osteoperforation on Rate of Maxillary En-masse Retraction

Evaluation of Micro-osteoperforation on Rate of Maxillary En-masse Retraction: A Randomized Controlled Trial

accelerated anterior teeth retraction with the help of microosteoperforation procedure and miniscrews.

the study contains 2 groups each contains 13 subjects, A control group (anterior segment retraction with the help of miniscrews) and an intervention group ( anterior segment retraction with the help of miniscrews and microosteoperforation)

Inclusion Criteria:

• Females with an age ranging between 16-30 years.
• Malocclusion that requires bilateral extraction of the maxillary first premolars and anterior segment retraction; Angle class I mal-occlusion with bi-alveolar dental protrusions or class II division 1.
• Healthy dental and periodontal condition with a good oral hygiene
• Absence of degenerative conditions.
• Full set of permanent dentition.

Exclusion Criteria:

• Medically compromised patients.
• Previous orthodontic treatment
• Patients suffering from any congenital, hereditary or systemic diseases or asymmetries that might have an influence on tooth movement
• Chronic use of any medications affecting orthodontic tooth movement (eg: NSAIDs).
• Active periodontal affection or severe gingival inflammation.