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Orthodontic mini-implants: clinical and peri-implant evaluation
Fernanda Vicioni-Marques1, Diego Jesus Brandariz Pimentel1, Mírian Aiko Nakane Matsumoto1
1Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil.
Journal of the World Federation of Orthodontists
|December 15, 2021
Summary
Orthodontic mini-implants (MI) placed too close to tooth roots increase peri-implantitis risk. Pain and peri-implantitis are linked to increased MI mobility, impacting treatment outcomes.
Area of Science:
- Dentistry
- Orthodontics
- Biomaterials
Background:
- Orthodontic mini-implants (MI) are crucial for anchorage during complex tooth movement.
- Understanding factors influencing MI stability and peri-implant health is vital for successful orthodontic treatment.
Purpose of the Study:
- To evaluate clinical changes associated with orthodontic mini-implants (MI).
- To assess correlations between MI proximity to roots, peri-implantitis, mobility, and pain.
Main Methods:
- Forty patients receiving orthodontic mini-implants (MI) were evaluated over six months.
- Clinical and radiographic assessments analyzed MI-root distance, peri-implantitis, mobility, and pain using scoring systems.
- Statistical analysis correlated these variables.
Main Results:
- MI placed close to roots showed increased peri-implantitis (p = 0.0142).
- Peri-implantitis correlated significantly with MI mobility (p = 0.0003).
- Pain was also correlated with increased MI mobility (p = 0.0443).
- Mobility was more prevalent in the lower arch (p = 0.0336).
Conclusions:
- The null hypotheses were rejected, indicating significant correlations between evaluated factors.
- Proximity of MI to roots is a risk factor for peri-implantitis.
- Peri-implantitis and patient-reported pain are associated with increased MI mobility, potentially compromising orthodontic anchorage.
