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Re–assessment of Pont’s index in Class I normal occlusion | ||
| Al-Rafidain Dental Journal | ||
| Article 1, Volume 6, Issue 1, 2006, Pages 1-5 PDF (0 K) | ||
| Document Type: Research Paper | ||
| DOI: 10.33899/rden.2006.40173 | ||
| Authors | ||
| Huda A Al–Sarraf; Ahmed A Abdul–Mawjood; Nada M Al–Sayagh | ||
| Abstract | ||
| Background: Since the introduction of modern orthodontics, several indices have been proposed to help prediction normal maxillary arch width that would relieve crowding, maintain occlusion stability and reduces future relapse. Among these indices Pont had proposed an index in 1909 to estimate maxillary arch width depending upon the sum of maxillary incisors mesiodistal dimensions. Aims: The present study tried to investigate the reliability of Pont's index in estimating dental arch width. Materials and Methods: The sample consisted of 22 boys and 22 girls aged 14–16 years. Measurements of all study models were done using a sliding caliper. The arch width was measured in first premolar region between distal pits, and in first permanent molar region between central fossae. Results: Statistical analysis, using correlation coefficient; revealed a poor correlations existed between Pont's estimation for the arch width and the actual arch width measured from the casts for both sexes. The arch widths were generally underestimated for all test groups. Conclusion: It was concluded that Pont's index is not a precise method for prediction of maxillary dental arch width. | ||
| Keywords | ||
| Pont; arch width; class I occlusion | ||
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