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Orthodontic brackets debonding: evaluation of the time factor and the tooth type
Pierre Dingreville1,2, Vanessa Valran1,2, Fabien Subtil3
1Département d'orthodontie, Faculté d'Odontologie, rue Guillaume Paradin, 69372 Lyon cedex 08, France.
L' Orthodontie Francaise
|January 31, 2023
Summary
Orthodontic bracket debonding is more common early in treatment and affects posterior teeth, particularly in patients with deep bites or skeletal Class II malocclusions. Poor oral hygiene also correlates with higher detachment rates.
Area of Science:
- Orthodontics
- Dental Materials
- Epidemiology
Context:
- Premature debonding of orthodontic brackets is a common clinical challenge.
- Understanding factors influencing debonding is crucial for treatment success.
Purpose:
- This study aimed to assess the influence of time and tooth type on premature orthodontic bracket debonding.
- Investigate correlations between patient factors and bracket detachment rates.
Summary:
- A retrospective study of 333 adolescent patients revealed that bracket detachment rates decrease as orthodontic treatment progresses.
- Maxillary and mandibular molars, along with second premolars, showed the highest debonding rates. Skeletal Class II patients and those with deepbite patterns experienced more detachments.
- Poor oral hygiene was correlated with increased detachment, irrespective of treatment timing. Factors like orthodontic movement type, bonding quality, patient compliance, tooth morphology, and bite force also play a role.
Impact:
- Findings highlight that early treatment phases and posterior teeth are most susceptible to bracket debonding.
- Identifying high-risk patient groups and teeth can inform preventative strategies and improve treatment efficiency.
- Understanding the multifactorial nature of debonding aids in optimizing bonding protocols and patient management.
