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Interalar width as a guide in denture tooth selection
The Journal of Prosthetic Dentistry
|February 1, 1986
Summary
The interalar width (IAW) shows a moderate correlation with intercanine tooth width (ICTW) and a weaker correlation with the arc distance between maxillary canines (ARCD). These findings are relevant for complete denture selection and arrangement.
Area of Science:
- Dentistry
- Anthropometry
Background:
- Accurate selection and arrangement of artificial teeth are crucial for complete dentures.
- Facial and dental measurements inform prosthetic tooth selection.
Purpose of the Study:
- To determine the relationship between interalar width (IAW) and maxillary anterior tooth measurements.
- To assess the correlation of IAW with intercanine tooth width (ICTW) and arc distance between maxillary canines (ARCD).
Main Methods:
- Measurements of IAW, ICTW, and ARCD were taken from subjects.
- Statistical analysis, including correlation coefficients, was used to evaluate relationships.
Main Results:
- The mean ICTW was 3% greater than the mean IAW.
- The mean ARCD was 31% greater than the mean IAW.
- A correlation coefficient of 0.413 was found between IAW and ICTW.
- A correlation coefficient of 0.217 was observed between IAW and ARCD.
Conclusions:
- Interalar width demonstrates a moderate correlation with intercanine tooth width.
- Interalar width shows a weaker but definite correlation with the arc distance between maxillary canines.
- These measurements may aid in the selection and arrangement of artificial teeth for complete dentures.