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Mixed dentition analysis: a review of methods and their accuracy
R D Irwin1, J S Herold, A Richardson
1Orthodontic Division, Royal Victoria Hospital, Belfast, Northern Ireland.
International Journal of Paediatric Dentistry
|September 1, 1995
Summary
Accurately predicting space for unerupted teeth in mixed dentition is crucial. The Hixon & Oldfather method, refined by Staley & Kerber, provides the most precise space analysis for canine and premolar teeth.
Area of Science:
- Dentistry
- Orthodontics
- Dental Arch Analysis
Background:
- Mixed dentition analysis involves predicting space for unerupted permanent teeth.
- Current methods rely on correlations with incisor widths or radiographic measurements.
Purpose of the Study:
- To review proposed methods for mixed dentition space analysis.
- To identify the most accurate method for predicting space requirements of unerupted canines and premolars.
Main Methods:
- Review of existing mixed dentition analysis techniques.
- Comparison of methods based on correlations and radiographic measurements.
- Evaluation of the Hixon & Oldfather method (1958) and its refinement by Staley & Kerber (1980).
Main Results:
- Two primary approaches exist: correlation-based and radiographic measurement-based.
- The Hixon & Oldfather method, as refined by Staley & Kerber, demonstrated superior accuracy in predicting required dental arch space.
Conclusions:
- The refined Hixon & Oldfather method is the most accurate for mixed dentition space analysis.
- Accurate space prediction is essential for effective orthodontic treatment planning.