• 2022-06-05
    铸造牙合托的长度为
    A: 磨牙近远中径的1/3,前磨牙近远中径的1/2
    B: 磨牙近远中径的1/4,前磨牙近远中径的1/2
    C: 磨牙近远中径的1/4,前磨牙近远中径的1/3
    D: 磨牙近远中径的1/3,前磨牙近远中径的1/3
    E: 磨牙近远中径的1/2,前磨牙近远中径的1/2