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

Shiraz University of Medical Sciences48 enrolled

Overview

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.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

DIAGNOSTIC

Masking

DOUBLE

Enrollment

Conditions

Health of Periodontium

Interventions

Fiber-reinforced-composite retainerDEVICE

this type of retainer is placed on the lingual surface of teeth from canine to canine just before the completion of orthodontic treatment

Composite-wire retainerDEVICE

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

Eligibility

Sex: ALLMin age: 13 YearsMax age: 18 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: 1. The patient who have completed orthodontic treatment 2. The patients should be healthy with no systemic disease at the time 3. In clinical examination no apparent periodontal disease or inflammation should be present 4. Patients who have complete permanent dentition (3rd molar eruption is not required)

Locations (1)

Shiraz Dental School

Shiraz, Fars, Iran

RECRUITING

Outcomes

Primary Outcomes

Measuring periodontal status through clinical examination

for each participant, the examination is carried out right after the completion of orthodontic treatment and after a 6-month-period