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Maxillary tuberosity dimensions and tooth movement magnitude during distalisation using mini-implants: a preliminary
A Sumathi Felicita1, T N Uma Maheshwari2
1Department of Orthodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, India.
European Oral Research
|November 13, 2025
Summary
Maxillary tuberosity dimensions impact maxillary tooth distalization with mini-implants. Greater tuberosity width and length correlate with increased anterior tooth retraction and molar distalization.
Area of Science:
- Orthodontics
- Dental Anatomy
Background:
- Maxillary tuberosity dimensions are crucial for orthodontic tooth movement.
- Understanding these dimensions can optimize treatment planning for maxillary tooth distalization.
Purpose of the Study:
- To investigate the influence of maxillary tuberosity dimensions on maxillary tooth distalization using mini-implants.
Main Methods:
- Ten young orthodontic patients underwent maxillary tooth distalization with mini-implants.
- Maxillary tuberosity dimensions (mesiodistal length, vertical height, buccolingual width) were measured via CBCT.
- Incisor proclination and molar distalization were assessed using lateral cephalograms.
Main Results:
- A significant decrease in mesiodistal length and vertical height of the maxillary tuberosity was observed.
- Increased buccolingual width remodeling positively correlated with greater tooth distalization.
- Greater initial mesiodistal length correlated with increased anterior retraction.
Conclusions:
- Maxillary tuberosity dimensions significantly influence the efficacy of mini-implant-assisted maxillary tooth distalization.
- Buccolingual and mesiodistal dimensions play a key role in predicting treatment outcomes.
