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什麼是融合牙?在乳牙和恒牙列均可見,最常見於下頜乳切牙。、一般認為它的發生是由於在牙齒的發育期間,由於壓力作用於兩個正常相鄰牙胚,使它們發生融合。壓力如發生在牙胚鈣化之前,則冠部融合;壓力如發生在牙冠發育完之後,則形成冠分離、根融合的牙。
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