NCT01314729

Comparison of the Effect of Two Types of Fixed Retainers on the Health of the Gums

Clinical and Radiographic Comparison and Evaluation of Two Types of Lingual Fixed Retainers on the Health of Periodontium

• Status: Unknown
• Phase: Phase 3
• Study type: Interventional
• Enrollment: 48 (estimated)
• Sponsor: Shiraz University of Medical Sciences · Academic / Other
• Sex: All
• Age: 13 Years – 18 Years
• Healthy volunteers: Accepted

Summary

Different types of retainers have been used to assure the stability of orthodontic treatment. The aim of this study is clinical and radiographic comparison and evaluation of two common types of lingual fixed retainers on the health of periodontium. The participants in this study will be examined both clinically and radiographically just after the completion of orthodontic treatment and after a 6-month-period. The results of the study will be analyzed with Mann-whitney and independent t-test.

Conditions

• Health of Periodontium

Interventions

Type	Name	Description
DEVICE	Fiber-reinforced-composite retainer	this type of retainer is placed on the lingual surface of teeth from canine to canine just before the completion of orthodontic treatment
DEVICE	Composite-wire retainer	this type of retainer is placed on the lingual surface of teeth from canine to canine just before the completion of orthodontic treatment to prevent treatment relapse

Timeline

• Start date: 2010-05-01
• Primary completion: 2011-01-01
• Completion: 2011-05-01
• First posted: 2011-03-14
• Last updated: 2011-03-15

Locations

1 site across 1 country: Iran