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Pont's index


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A method of predetermining the ideal dental arch width, first postulated by A. Pont in 1909. Pont's premolar index is the sum of the widths of the four maxillary incisors (taken from the distal contact points with the canines on either side) divided by the premolar arch width (taken from the first maxillary premolars of the left and right sides at the distal ends of their occlusal grooves), multiplied by 100. Pont's molar index is the sum of the widths of the four maxillary incisors divided by the molar arch width (taken from the maxillary left first permanent molar to the same of the right side at its mesial pit on the occlusal surface), multiplied by 100.

Subjects: Dentistry.


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