³í¹®) ¾î±Ý´Ï ºüÁøºÎÀ§¿¡‘ÀÚ½ÅÀÇ Ä¡¾Æ’ ²ø¾î¿Í ¸Þ¿î´Ù ¿µ¹®¸í) Mandibular molar protraction as an alternative treatment for edentulous spaces Focus on changes in root length and alveolar bone height
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