الفهرس 
Title : Determination of the combined mesiodistal widths of the permanent mandibular incisors and that of the
CONTENTSOnly 14 pages are availabe for public view
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Abstract
Background: Tooth size specifically the mesiodistal dimension has an important role in normal occlusion and in arch space analysis as it affects treatment planning and the final results in orthodontic treatment. Tooth size differs among and within populations. Objectives: The aim of the current study is to measure the mesiodistal widths of the mandibular incisors, maxillary and mandibular canines and premolars in a group of Egyptian children in Suez Governorate and to correlate between the widths of these teeth to formulate normative data for the Egyptian population. Materials and Methods: 300 subjects 12-15 years (150 males and 150 females) from Suez Governorate were included in the present study. The measurements of the mesiodistal widths of the teeth were done on dental casts by a digital caliper. Results: The means of the mesiodistal widths of the boys{u2019} teeth were significantly larger than those of the girls. Also, there was no statistically significant difference between the right and left sides in girls. However, in males the mandibular second premolar showed statistically significant difference between the right and left sides