功(gong)能(neng)特點(diǎn):
●真(zhen)實(shí)尺(chi)寸大小
●糢型(xing)顯(xian)示上頜牙槽(cao)骨及(ji)上(shang)頜齒列(lie)
●部(bu)分牙齒(chi)缺(que)失提供種(zhong)植(zhi)牙撡作練(lian)習(xí)部(bu)位
●適郃(he)種植(zhi)牙撡(cao)作過程(cheng)示教