Condition 1: Determining the bonding failure rate in two types of GC Flowable composite and GC Gradia composite. Condition 2: Comparing the failure rate of bonding brackets with the failure rate of fixed retainer bonding in the same patients. Condition 3: Determining clinical working time with two types of composite. Encounter for fitting and adjustment of orthodontic device Encounter for fitting and adjustment of orthodontic device Encounter for fitting and adjustment of orthodontic device
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: The Mandible needs a canine to canine fixed retainer and patients just finished their orthodontic treatment. The age range of patients is between 15 and 25 years.
Exclusion criteria
Exclusion criteria: Patients with gastrointestinal reflux Patients whose mandibular anterior teeth underwent RCT and the lingual surface of the tooth was restored Patients with too little saliva and xerostomia
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The rate and location of failure of the fixed retainer. Timepoint: One-month,three-month,six-month follow-ups. Method of measurement: Observational.;Bonding failure rate of brackets. Timepoint: During the entire period of orthodontic treatment. Method of measurement: Observational.;Determining clinical working time with two types of composite. Timepoint: While working with composites. Method of measurement: stopwatch (observational). | — |
Countries
Iran (Islamic Republic of)
Contacts
Tabriz University of Medical Sciences