Mandibular Second Molar Protraction Assisted by Piezocision

Launched by JORDAN UNIVERSITY OF SCIENCE AND TECHNOLOGY · Dec 19, 2018

Keywords

ClinConnect Summary

Twenty-six subjects (39 Molars) who presented with at least one extracted mandibular first molar were selected to participate in the study. The subjects were subdivided into one of 3 groups as follows: group 1 consisted of 18 molars (13 molars from patients with bilateral first molar extraction space and 5 molars from patients with unilateral first molar extraction space) where piezocision was performed immediately before molar protraction; group 2 consisted of 21 molars (13 from patients with bilateral first molar extraction space and 8 molars from patients with unilateral first molar extr...

Gender

ALL

Eligibility criteria

• Inclusion Criteria:
• • age range from 20 to 27 years
• • at least one extracted mandibular first molar (first molar extracted more than one year ago and residual extraction space more than 5 mm)
• • Class 1 malocclusion where molar protraction is indicated
• • all permanent teeth are present except for the extracted mandibular first molar/molars.
• • Exclusion Criteria:-
• • Ggingival index score \> 2
• • Plaque index score \> 2
• • Probing depth \> 4mm
• • Previous orthodontic treatment
• • Systemic disease and
• • Smoker.