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The International Journal of Adult Orthodontics & Orthogathic Surgery
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International Journal of Adult Orthodontics and Orthognathic Surgery

Year 1993
Volume 8 , Issue 4

Pages: 277 - 285

Position and asymmetry of teeth in untreated dental arches

Ferrario/Sforza/Colombo/Miani, Jr./D'Addona

The position and asymmetry of all permanent teeth (right second molar to left second molar) were studied in 50 men and 45 women aged 20 to 27 years with sound dentitons. The centers of gravity of the occlusal surfaces of teeth were individualized on dental casts. The maxillary arch distances between homologous teeth were all larger than the mandibular arch distances regardless of gender. Arches in women were found to be significantly smaller than arches in mean. On average, arches were symmetric with mean indexes ranging from 0.28% to 4.57%. Results demonstrated that a certaind egree of morphologic asymmetry may be considered a normal finding.


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