問醫生重病，老了 每次遇到牙齒問題，都沒有人刷 如果遇到牙齒掉差不多的老人， 反而慶幸不會蛀牙，其他都直接放棄更嚴重到火化為止（一直蛀牙） 有牙齒的重病者（不是老人）如何解決？

現代牙醫很多連蛀牙，根管治療的技術都不如老醫師了，動不動就拔牙

太強調假牙的無謂的小缺點只為了推銷植牙！

不能植牙，只有〔經濟〕條件嗎？牙周病沒治療好可以嗎？ 年紀太大可以嗎？

These statement is ridiculous, implant fixture is not similar to natural tooth , have no periodontal membrane to discern the magnitude of occlusal force. to resist the invasion of bacteria. besides, the operator can not exactly to place implant fixture parallel to the arc of closure[curve of spee] , in order to resist vertical occlusal force, rather than lateral occlusal force . to prevent the break down of alveolar bone, with result of bone saucerization. leading loss of implant. in clinical situation , crown fixual junctional gingival sulcus. have no access to let patient thoroughly to clean plaque. thus leading to chronic peri-implantitis. eventually exacerbate break down alveolar bone result implant failure. lots of literature revealed, after seven years of implantation , there were high rate of biological and mechanic complications. In traditional superior fixed denture , constructed with gingival embrasure to facilitate interproximal cleaning have long term success rate. the masterpiece of true master . serve well for more than fifty years