Stability of Bimaxillary Proclination Cases Following Fixed Appliances Treatment: A Randomized Control Trial

Launched by UNIVERSITY OF MALAYA · Sep 30, 2020

Keywords

ClinConnect Summary

Study title Stability of Bimaxillary Proclination Cases Following Fixed Appliances Treatment: A Randomized Control Trial

Study Population Pre-treatment of bimaxillary proclination patient who completed active orthodontic treatment with fixed appliances and are scheduled to debond at Orthodontic Clinic, Faculty of Dentistry, University of Malaya.

Study Design Randomized, prospective, single-center control trial. Three parallel arm groups of patients will be assigned for 3 types of retention methods; 1.VFR 2.Fixed bonded retainer 3.Double regime (bonded \& VFR)

Aim of study To determine th...

Gender

ALL

Eligibility criteria

• Inclusion Criteria:
• • 1. Pretreatment bimaxillary proclination patients with interincisal angle less than 125º (Keating PJ 1986).
• • 2. Patients with fixed orthodontic appliances treatment on both arches consisting of the extraction of 4 premolars (Keating 1986).
• • 3. Both arches are indicated for retainers.
• • 4. Pre-treatment lateral cephalometric radiograph of adequate diagnostic quality.
• Exclusion Criteria:
• • 1. Pretreatment spacing eg: Median diastema.
• • 2. No change or proclined lower labial segment post treatment.
• • 3. Early debond patient.
• • 4. Patient intended to relocate within study period.
• • 5. Hypodontia that require prosthesis, cleft lip and/or cleft palate, or orthognathic cases.
• • 6. Patients with learning disabilities and unable to listen, speak and read written instructions in Bahasa Melayu or English.