Objective is to assess changes of dentition and periodontium, and hygiene in retention after the end of the active phase of orthodontic treatment, and relationship with gender, type of retention appliance, pre-therapeutic condition of dentition and duration of active phase of treatment.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
severity of relapse (unexpected tooth movement in mandibular frontal area) at 1 year
Timeframe: 1 year
severity of relapse (unexpected tooth movement in mandibular frontal area) at 2 years
Timeframe: 2 years
severity of relapse (unexpected tooth movement in mandibular frontal area) at 3 years
Timeframe: 3 years
incidence of retainer failure (debonding, breakage) at 2 years
Timeframe: 2 years
incidence of retainer failure (debonding, breakage) at 3 years
Timeframe: 3 years
extent of biofilm accumulation at 2 years
Timeframe: 2 years
extent of biofilm accumulation at 3 years
Timeframe: 3 years