【单选题】【消耗次数:1】
即刻种植的适应症不包括
患者骨壁要非常完整,整个牙槽骨没有明显的缺损
患者骨壁的厚度在1mm以上,可以对抗拔牙后骨壁的吸收
拔牙区要没有明显的急性炎症
牙槽骨根方的骨量尽量有2mm以上
种植体必须要能够在设计上获得良好的三维位置
参考答案:
复制
纠错
相关题目
【单选题】 拔牙后人牙槽骨的骨量按多少分类,不包括()
①  剩余大部分牙槽嵴尚存
②  发生中等程度的牙槽嵴吸收
③  发生明显的牙槽嵴吸收,但基底尚存
④  基底骨已开始吸收
⑤  基底骨完全吸收
【单选题】 前牙区进行牙种植体植入时,唇侧骨壁厚度至少是多少:()
①  0.5mm
②  1mm
③  1.5-2mm
④  3mm
⑤  4mm
【单选题】 根据Cawood & Howell牙槽骨分类,Ⅳ类牙槽骨指的是()
①  天然牙存在时的牙槽骨
②  天然牙刚拔除的牙槽骨
③  刃状牙槽嵴,高度充分、宽度不足
④  平坦的牙槽嵴,高度、宽度都不足
⑤  凹陷的牙槽嵴,下颌体有吸收迹象
【单选题】 骨下种植,种植体的边缘通常位于骨下()mm
①  0.2
②  0.4
③  0.5
④  0.8
⑤  1
【单选题】 固有牙槽骨的特征不包括()
①  位于牙槽窝内壁
②  在X线片上显示围绕牙根的黑色透射线
③  多孔的骨板
④  属于密质骨
⑤  由平行骨板与牙周膜穿通纤维构成
【单选题】 骨吸收初始阶段,唇(舌)侧骨板的减少少于预期种植体长度的50%,且植入种植体后呈裂开式骨缺损。这属于Terheyden骨缺损分类
①  erheyden 1/4型
②  Terheyden 1/3型
③  Terheyden 2/4型
④  Terheyden 2/3型
【单选题】 种植体周围炎显示种植体初期骨改建后()有进一步骨吸收
①  <3mm
②  >3mm
③  >4mm
④  >5mm
【单选题】 患者女,70岁,26牙位种植义齿修复5年后出现种植体颈部骨吸收,其原因不包括
①  在安装基台时,扭矩未能达到厂家规定的预负载
②  修复体松动
③  后牙陆续缺失或折断
④  种植体埋入过深
⑤  种植体品牌选择不当
【单选题】 关于牙槽骨不正确的描述
①  是上下颌骨包围和支持牙根的部分,也称牙槽突
②  性激素等全身因素可影响牙槽骨的改建
③  当牙槽骨因炎症或创伤等开始发生吸收时,硬骨板不会发生改变
④  X线片上牙槽嵴顶和釉牙骨质界的距离一般在2mm内
⑤  牙槽骨在失去牙后,逐渐吸收、消失
【单选题】 固有牙槽骨又称()
①  网状板
②  束状板
③  硬骨板
④  基板
⑤  松质骨板
【单选题】 牙周炎主要表现为牙槽骨(),牙槽脊顶及骨硬板模糊、消失、牙槽嵴高度降低。
①  增生
②  肿胀
③  吸收
④  扩大
随机题目
【单选题】 The most important ___ of his speech was that we should all work whole-heartedly for the people.
①  element
②  sport
③  chance
④  point
【单选题】 Supposing the weather ___ bad, where would you go?
①  is
②  will be
③  were
④  be
【单选题】 We wont know whether it will be successful. We wont know whether there will be good ___.
①  ends
②  results
③  effects
④  causes
【单选题】 It has always been the ___ of our firm to encourage workers to take part in social activities.
①  plan
②  campaign
③  procedure
④  policy
【单选题】 He has left his book here on___, so that you can read it.
①  purpose
②  intention
③  aim
④  meaning
【单选题】 If I ___ it, I would do it in a different way.
①  were to do
②  do
③  had done
④  was to do
【单选题】 If he ___ he ___ that food.
①  was warned; would not take
②  had been warned; would not have taken
③  would be warned; had not taken
④  would have been warned; had not taken
【单选题】 Information has been put forward ___ more middle school graduates will be admitted into universities.
①  while
②  that
③  when
④  as
【单选题】 This is ___ the Shenzhou V Spaceship landed.
①  there
②  in which
③  where
④  when
【单选题】 The order came ___ the soldiers ___ the small village the next morning.
①  that; had to leave
②  that; should leave
③  /; must leave
④  when; should leave