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  2. Amelogenesis imperfecta - Wikipedia

    en.wikipedia.org/wiki/Amelogenesis_imperfecta

    Enamel appears to be comparable to dentine in its radiodensity on radiographs. Type 3 - Hypocalcified Enamel defect due to malfunction of enamel calcification, therefore enamel is of normal thickness but is extremely brittle, with an opaque/chalky presentation. Teeth are prone to staining and rapid wear, exposing dentine.

  3. List of ICD-9 codes 630–679: complications of pregnancy ...

    en.wikipedia.org/wiki/List_of_ICD-9_codes_630...

    This is a shortened version of the eleventh chapter of the ICD-9: Complications of Pregnancy, Childbirth, and the Puerperium. It covers ICD codes 630 to 679 . The full chapter can be found on pages 355 to 378 of Volume 1, which contains all (sub)categories of the ICD-9.

  4. Molar incisor hypomineralisation - Wikipedia

    en.wikipedia.org/wiki/Molar_Incisor_Hypominerali...

    Molar incisor hypomineralisation (MIH) is a type of enamel defect affecting, as the name suggests, the first molars and incisors in the permanent dentition. [1] MIH is considered a worldwide problem with a global prevalence of 12.9% and is usually identified in children under 10 years old. [2]

  5. List of ICD-9 codes 760–779: certain conditions originating ...

    en.wikipedia.org/wiki/List_of_ICD-9_codes_760...

    This is a shortened version of the fifteenth chapter of the ICD-9: Certain Conditions originating in the Perinatal Period. It covers ICD codes 760 to 779. The full chapter can be found on pages 439 to 453 of Volume 1, which contains all (sub)categories of the ICD-9. Volume 2 is an alphabetical index of Volume 1.

  6. List of ICD-9 codes 520–579: diseases of the digestive system

    en.wikipedia.org/wiki/List_of_ICD-9_codes_520...

    520 Disorders of tooth development and eruption. 520.0 Anodontia; 520.1 Supernumerary teeth; 520.2 Abnormalities of size and form of teeth; 520.3 Mottled teeth; 520.4 Disturbances of tooth formation; 520.5 Hereditary disturbances in tooth structure not elsewhere classified; 520.6 Disturbances in tooth eruption; 520.7 Teething syndrome; 521 ...

  7. Dentinogenesis imperfecta - Wikipedia

    en.wikipedia.org/wiki/Dentinogenesis_imperfecta

    Discoloured teeth - teeth may be amber, brown, blue or opalescent; Bulbous shape to the tooth crown due to cervical constriction; Tooth wear/Non-carious tooth surface loss (NCTSL) - due to the poorly mineralised dentine, the enamel of the tooth is unsupported and subsequently shears or chips off as it is subjected to biting forces. This exposes ...

  8. Dental fluorosis - Wikipedia

    en.wikipedia.org/wiki/Dental_fluorosis

    The white opaque areas in the enamel of the teeth are more extensive but do involve as much as 50% of the tooth. Moderate: 4: All enamel surfaces of the teeth are affected and surfaces subject to attrition show wear. Brown stain is frequently a disfiguring feature Severe: 5: All enamel surfaces are affected and hypoplasia is so marked that the ...

  9. Enamel hypoplasia - Wikipedia

    en.wikipedia.org/wiki/Enamel_hypoplasia

    Teeth displaying enamel hypoplasia lines, linear defects of enamel that form during crowns development as a result of periods of nutritional stress or disease during infancy and childhood. Enamel hypoplasia is a risk factor for dental caries in children including early childhood caries (ECC), which continues to be a burden for many children.