مقایسه زاویه محور طولی دندانهای مولر سوم مندیبل در بیماران اسکلتال کلاس I با ارتفاع نرمال صورتی درمان شده با ارتودنسی ثابت extraction و non-extraction

comparison of third mandibular molars angulation in skeletal class I patients with normal facial height who were treated with extraction and non-extraction fixed orthodonticscomparison of third mandibular molars angulation in skeletal class I patients with normal facial height who were treated with extraction and non-extraction fixed orthodontics