??è¿?ä¸?次ï?2017å¹´ï??¨å?½å?£è???¥åº·æµ?è¡???å­þA??¥ç????¾ç¤ºï¼?35-44å²?????å£?¹´äººç¾¤ä¸?º¦??1/3å­??¨ç??齿缺失ï?65-74å²???年人群中80%å·þ@?³ç??人å??¨ç¼º??ï¼??¶ä¸­çºþ????人群没æ??è¿?è¡?ä¿????65å²?以ä?人群ä¸??è¿???5%-10%???¨å?£ç¼º???? ?£ä?ï¼????人é????ç§???ï¼????人ä?????ç§???ï¼?ç§?æ¤???使ç?¨æ?¶æ???þA?????ä¸??·ï???è¦?注æ??ä»?ä¹?ï¼?æ¬???£è???»ç?????¢å?»ç???»ç????é¦?å¸??æ¤?ä¸?家æ??æ±?????å£?¸º?¨è§£è¯»ï?ï¼?工人?¥æ??ä¸?·¥ç½?è®°è?? å§??? çªþA?²æ? ?½è?³æ?ï¼?