DA07.61

ICD-11 MMS 2026-01

Ankylosis of teeth

Description

Tooth ankylosis is the solid fixation of a tooth, resulting from fusion of the cementum and alveolar bone, with obliteration of the periodontal ligament. It is uncommon in deciduous dentition, and very rare in permanent teeth.

Index terms

  • Ankylosis of teeth
  • Absence of exfoliation of teeth
  • Dental ankylosis
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  • ankylosis of tooth
  • failure of exfoliation of primary tooth

Inclusions

  • Absence of exfoliation of teeth

Exclusions from above levels

  • 01 – Certain infectious or parasitic diseases
  • 02 – Neoplasms
  • 05 – Endocrine, nutritional or metabolic diseases
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  • 06 – Mental, behavioural or neurodevelopmental disorders
  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

  • DA07.60 – Teething syndrome
  • DA07.6Y – Other specified disturbances in tooth eruption
  • DA07.6Z – Disturbances in tooth eruption, unspecified

Foundation entity

Ankylosis of teeth – http://id.who.int/icd/entity/2066427602

Allowed postcoordination axes

Part of: DA07.6: Disturbances in tooth eruption › DA07: Disorders of tooth development or eruption › 13: Diseases of the digestive system