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All-on-4 种植牙:全口固定修复完整指南

一位 All-on-8 患者与她的外科医生并肩微笑

Center for Implant Dentistry 的真实患者

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All-on-4 种植牙:全口固定修复完整指南

四颗种植体、一副固定的牙齿、没有一块塑料托盖住上颚——这就是 All-on-4 真正的运作方式,以及它适合谁。

发布于 2024年5月16日 · 更新于 2026年7月9日 · 内容有效至 2026年8月6日

撰写并进行医学审阅:Dr. Sam Jain, DMD, MSDr. Arpana Gupta, DDS, MDS · 我们如何撰写和审阅内容

一位 All-on-8 患者与她的外科医生并肩微笑
Center for Implant Dentistry 的真实患者

All-on-4 种植牙究竟是什么

All-on-4 是用仅仅四颗种植体承托一副固定新牙桥,来修复一整个牙弓——整个上颌或下颌——的方法。牙齿是拧在种植体上的,不是粘的也不是卡的,所以夜里什么都不用取下来。您像刷真牙一样刷它们。对大多数患者来说,这是失牙或旧假牙失败之后,最接近重新拥有一副天然牙的方案。

这项技术要追溯到 1998 年,当时葡萄牙外科医生 Paulo Malo 医生与 Nobel Biocare 合作,证明了不需要每颌八到十颗种植体来承托一整副牙。窍门在几何:两颗种植体竖直植入颌骨前部,两颗以角度(最多约 45 度)向后倾斜植入。把后方那两颗倾斜植入,让它们能够抵达更致密、更充足的骨,并把四个支点在牙弓上拉得更开——而这正是一副完整牙桥保持稳定所需要的。

那个倾斜的植入方式,正是这个数字是四而不是更多的原因。它不是预算上的妥协,而是一个工程学的解法。前后种植体之间更大的跨距意味着咬合力被更好地分担,牙桥的形变也更小。Sam Jain 医生在牙医学位之外还持有机械工程硕士学位,他围绕这个受力几何来规划每一个病例,而不是套用一个统一模板。

Sam Jain 医生与 Arpana Gupta 医生身着白大褂的合影
认识规划并植入种植病例的两位院长医生

整个流程是怎么走的,从头到尾

一个全口病例通常在一次手术就诊中完成。把仍在坏的牙齿拔除,植入四颗种植体,再把一副固定的牙齿接到它们上面——往往就在同一天。那副当天的牙齿,就是人们把这叫作「一日新牙」的原因。您通常带着一副能用的、不可摘的牙弓走出去,而不是在愈合期间空着嘴回家。

患者不一定听说过的是之后的部分。在很多机构,那副当天的牙弓是一副临时树脂牙,您要戴六到八个月等种植体与骨结合,永久牙齿之后才来。我们的做法不同。因为规划、手术、静脉镇静和一台 CAD/CAM 氧化锆切削机都在同一屋檐下——由我们自己的工程师 Andy Jain 负责——所以我们可以在大约 72 小时内为一整个牙弓交付定制切削的最终氧化锆牙齿,而不是半年的临时塑料。您可以在我们的当天种植牙页面看到完整流程。

有一个细节很重要:规划您病例的医生,就是植入种植体的医生,也是做您牙齿的医生。Sam Jain 医生和 Arpana Gupta 医生——一对同为 ICOI Master 的夫妻——亲自完成这些。这里没有飞来做手术、把咬合问题留给别人收拾的外科医生。如果您想了解是谁在做这份工作,我们的为什么选择我们页面写清楚了。

谁是好的适应症——谁不是

All-on-4 是为一个牙弓里缺失了大部分或全部牙齿、或正在走向那一步的人设计的:松动的牙、正在失败的桥体,或者已经受够了的假牙。因为倾斜的种植体常常不必额外加骨就能抵达可用的骨,很多被告知「骨量不够做种植」的患者,在一次像样的三维影像之后反而成了适应症。这是一个常见而愉快的意外。您的医生是通过在锥形束CT上测量您真实的骨来确认它的,不是从一张平片上猜。

但这并非对每个人都自动成立。非常严重的骨流失——尤其是上颌靠近上颌窦的地方——可能意味着四颗标准种植体找不到足够的锚定。在那些情况下,答案不是「您不能拥有固定牙齿」,而是一个不同的方案,比如锚入颧骨的颧骨种植体、一次上颌窦提升,或有针对性的植骨。未受控制的糖尿病、活动性牙龈感染和大量吸烟同样影响愈合,值得在一开始就诚实地谈一谈。我们的适应症页面逐条讲了细节。

对某些颌骨,尤其是咬合力大或骨量充裕的,我们可能会建议超过四颗种植体来获得更稳固的基础——就是 Jain 医生开发的 All-on-8 Robust 方案。正确的数字,是您这个牙弓所需要的数字。一次含三维锥形束CT的免费咨询(价值 $499)就是作出这个决定的方式。

一位患者用手持镜看自己的新笑容
Center for Implant Dentistry 的真实患者。个体结果因人而异。

诚实的利与弊

好处是真实的。您得到固定的、不可摘的牙齿,它们不覆盖上颚,所以味觉和说话都感觉正常。您可以吃那些戴假牙时吃得很痛苦的食物。种植体像牙根一样刺激颌骨,从而减缓那种让长期戴假牙的人显得面容塌陷的骨萎缩。种植体的长期存活率很高——研究常引用十年约 95% 左右——不过您自己的数字取决于咬合、卫生和健康状况,您的医生会给您一个现实的判断。与一颗一颗地替换牙齿相比,用四颗种植体修复整个牙弓通常也更划算;请看我们种植牙费用页面的拆解。

代价同样值得同等篇幅。这是手术,而且比一副买来就能丢进抽屉的假牙是更大的承诺。有实实在在的费用——在大多数诊所,全口治疗是一笔五位数的投入,我们大约 92% 的全口患者通过 Cherry 或 CareCredit 这类方案分期。四颗种植体上的固定牙桥,清洁方式与天然牙不同,需要用冲牙器清洁桥体下方,而且确实需要维护。还有,因为一切都压在四个支点上,精确的规划和植入更重要,而不是更不重要——这正是「要有敢接难病例、并且会去挽救别处失败种植体的资深医生」这个论点的全部内容。如果您在把它和可摘方案作比较,我们的种植体与假牙对比是很好的下一篇。

本文属于患者教育内容,由 Dr. Sam Jain, DMD, MS 审阅,,不能替代检查。治疗建议仅在面诊和 3D 影像检查之后给出——首次就诊免费

还有疑问? 读者接下来常问的问题。

All-on-4 用几颗种植体,为什么只有四颗?

每颌四颗——前面两颗竖直植入,后面两颗向后倾斜。把后方的种植体倾斜,能让它们锚定在更致密的骨里,并把支点拉得更开,从而把咬合力分散到足以承托一副完整固定牙桥。对咬合力较大或骨条件特殊的情况,您的医生可能会建议更多种植体,比如我们的 All-on-8 Robust 方案。

我真的能当天就有牙齿吗?

是的——大多数患者在手术当天就带着一副固定牙齿离开。差别在于那是哪一副。很多诊所给您一副临时树脂牙弓,要戴六到八个月。因为我们自己切削氧化锆,我们可以在大约 72 小时内交付您定制的最终牙齿。

我被告知骨量不够。是不是就没有选择了?

通常不是。All-on-4 里的倾斜种植体常常不必植骨就能抵达可用的骨,所以很多在别处被拒绝的人依然是适应症。当骨确实不足时,颧骨种植体、上颌窦提升或植骨这些替代方案,仍可开出一条通往固定牙齿的路。三维锥形束CT是唯一能确知的方式——而咨询和影像都是免费的。

All-on-4 要多少钱?

这取决于您的病例——拔牙、任何植骨、镇静和最终材料都会让数字变动,所以我们会在免费咨询和三维影像之后,把您的确切数字写进一份逐项列明的书面报价。大约 92% 的全口患者通过 Cherry、CareCredit、Proceed 或 LendingClub 这类方案分期,而我们与许多 PPO 计划是网络内。完整拆解见我们的种植牙费用页面。

从读者到患者

文章之外, 患者的真实评价

以下是我们在 Google 上最新的五星评价。评分和总数包含我们 Google 主页上的全部评价。

4.9来自我们 Google 主页上的 472 条评价
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    I couldn't have asked for a better experience or result! From Dr. Jain and Dr. Gupta and the entire staff, you are in absolutely great hands! I would wholeheartedly recommend them 100%, time and time again. They're absolutely amazing! Thank you so much C.f.I.D! 💯🙏❤️

评价为患者的个人经历,按发布原文呈现。效果因人而异。

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