由於缺失牙時間過長，或者牙周病的患者，牙槽骨吸收過多，造成種植牙手術時候骨量不足，難以進行種植牙的手術，就要想辦法增加骨量，所以這時就需要用到骨粉和骨膜。 "These cookies can keep in mind that your product has frequented a site or company, and can also be able to keep track of your product’s browsing action on other websites or solutions aside from wikiHow." We urge you to consider met... https://rogerq482dhj9.izrablog.com/profile