Comparison between twin-block and forsus functional appliances

Not Applicable

Completed

• Conditions: Sticking out upper front teeth is a variation of normal occlusion which is commonly associated with bullying, teasing and risk of trauma to the dentition. Treatment is aimed to improving the occlusal outcome and patients' self-esteem; Oral Health; Malocclusion, unspecified

• Registration Number: ISRCTN80447398
• Lead Sponsor: Stockport NHS Foundation Trust (UK)

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2013-07-26
• Study Completion: 2015-08-31
• Last Update Posted: 24 August 2020

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 64

Inclusion Criteria

1. Patients with Class II Division I malocclusion
2. Overjet > 6mm
3. All permanent teeth erupted except second and third molars
4. Aged 10-15 years old

Exclusion Criteria

1. Possible orthognathic treatment is required or there is a strong indication it will be required in the future
2. Presence of any craniofacial anomaly / syndrome
3. Maxillary mandibular plane angle of more than 37°
4. Previous orthodontic treatment and/or premolar extraction
5. Hypoplastic permanent teeth ? first molars
6. Hypodontia of any tooth in any quadrant excluding third molars
7. Subjects involved in any other orthodontic trials
8. Inadequate oral hygiene

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Treatment duration. All outcomes will be measured at baseline (T1) and at the end of active treatment (T2). Records will be taken at these time points which will include: study models, radiographs and pictures.

Secondary Outcome Measures

Name	Time	Method
<br> 1. Quality of the dento-occlusal outcome measured on study models<br> 2. Pancherz analysis on cephalograms<br> 3. Qualitative assessment using questionnaires on how the appliances affect them<br> 4. Breakages<br> 5. Cost<br>