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Article
Short-term treatment effects of quad-helix on maxillomandibular expansion in patients with maxillary incisor crowding
The purpose of this study was to evaluate the effects of the maxillary arch expansion on maxillomandibular arch widths in patients treated with the quad-helix versus untreated controls. The treatment group con...
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Article
Applicability of Bolton's tooth size ratios to a Japanese orthodontic population
Previous studies have shown that tooth size ratios are ethnicity-, race-, and sex-specific. This study was carried out to determine anterior and overall ratios in a Japanese population and to compare them with...