tooth root development

基本解釋

Human tooth development is a consecutive process, which includes bud stage, cap stage, bell stage and tooth root development.
人類牙齒發(fā)育是一個(gè)連續(xù)的過(guò)程，經(jīng)歷了蕾狀期、帽狀期、鐘狀期和牙根發(fā)育期。
Human tooth development is a reciprocal and consecutive process, which includes bud, cap, bell stages, tooth root development and tooth eruption.
人類牙齒的發(fā)育，經(jīng)歷蕾狀期、帽狀期、鐘狀期、牙根發(fā)育和牙齒萌出期。
Human tooth development is a reciprocal and consecutive process, which includes bud, cap, bell stages, tooth root development and tooth eruption.
人類牙齒發(fā)育是一個(gè)連續(xù)的過(guò)程，經(jīng)歷了蕾狀期、帽狀期、鐘狀期和牙根發(fā)育期。