\u9020\u6210\u7259\u9f7f\u7f3a\u635f\u7684\u539f\u56e0\u6709\u54ea\u4e9b-
    • Last updated July 8, 2021
    • 0 comments, 124 views, 0 likes

More from vickong pun

  • \u6025\u6c42\uff1a\u5982\u679c\u60f3\u53bb\u6df1\u5733\u7a2e\u7259\uff0c\u53bb\u908a\u5ea6\u597d\uff1f
    1 comment, 0 likes
  • \u7259\u9f52\u6f02\u767d\u5605\u6b65\u9a5f\u6709\u908aD\uff1f\uff08\u4e0b\uff09
    0 comments, 0 likes
  • \u96b1\u5f62\u7259\u5957\u77ef\u6b63\u539f\u7406\u7cfb\u4e5c\u554a\uff1f\u96b1\u5f62\u7259\u5957\u4ecb\u7d39\uff0c\u6084\u6084\u8b8a\u7f8e\u5514\u4fc2\u5922\uff01
    0 comments, 0 likes

More in Politics

  • Norton antivirus account login
    27 comments, 127,281 views
  • Liquidity Locking Made Easy
    9 comments, 81,279 views
  • Ang jili178 login ay nagdudulot sa iyo ng mga laro ng slot at karanasan sa laro ng soccer
    2 comments, 45,474 views

Related Blogs

  • CEH (v12) \u2014 Certified Ethical Hacker Training Certification- Tsaaro Academy
    0 comments, 0 likes
  • Exploring the Growing Demand for Realistic Japanese Sex Dolls in Russia's Adult Industry
    0 comments, 0 likes
  • Microsoft AZ-801 Questions With 100% Passing Surety
    0 comments, 0 likes

Archives

Social Share

造成牙齿缺损的原因有哪些-

Posted By vickong pun     July 8, 2021    

Body

人的牙齿虽然很坚固,但也有薄弱部位,那就是牙颈部的釉质和牙骨质交界处。正常的牙齿是富有光泽、咬合正常、排列整齐的,但如果你仔细观察会发现很多人都有牙齿缺损的现象。咁牙齿缺损原因有哪些?深圳牙科医院专家介绍,牙齿缺损跟多种原因有关,如龋病、外伤、磨损、楔状缺损、酸蚀和发育畸形。

牙齿缺损原因
  ——牙齿缺损原因主要分为以下5类:  原因一:龋病是口腔中的常见和多发病。患龋病时,牙体的破坏由浅变深,若不及时治疗,则牙齿硬组织不断破坏,以至发生牙髓炎、根尖周炎,造成牙冠缺损,成为残冠或残根。如果形成根尖脓肿,患牙可出现松动、触疼、最终因损坏严重无法治疗而被剥除。  原因二:牙周病。患牙周病后,牙周组织逐渐破坏、龈沟加深、形成牙周袋、牙槽骨吸收、牙齿松动、脱落或被剥除。  原因三:外伤。前牙或后牙均可因受伤而拗或脱落。外伤严重者还可伴有颌骨、牙槽骨、软组织的缺损。  原因四:随着年龄的增长、牙龈、牙槽骨等牙周组织发生生理性退变、牙龈萎缩,牙槽骨进行性吸收,导致牙齿脱落,但不是缺牙的主要原因。  原因五:颌骨的骨髓炎、肿瘤等也是造成牙列缺损的原因。会导致不均匀磨耗、进而产生牙折、有时无法治疗而掹除。
  温馨提示:牙齿缺损不仅会影响整体的面部美观,还会导致咀噍功能就衰退影响人体对营养成分的吸收。甚至还会使人的发音变得不标准,影响人的交际活动。提醒诸位牙齿缺损者要尽早修复。

Comments

0 comments