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  2. Dental fluorosis - Wikipedia

    en.wikipedia.org/wiki/Dental_fluorosis

    The clinical manifestation of mild dental fluorosis is mostly characterised a snow flaking appearance that lack a clear border, opaque, white spots, narrow white lines following the perikymata or patches as the opacities may coalesce with an intact, hard and smooth enamel surface on most of the teeth. [7]

  3. Tooth discoloration - Wikipedia

    en.wikipedia.org/wiki/Tooth_discoloration

    Cross-sectional diagram of a molar tooth. 1: crown, 2: root, 3: enamel, 4: dentin and dentin tubules, 5: pulp chamber, 6: blood vessels and nerve within root canal, 7: periodontal ligament, 8: apex and periapical region, 9: alveolar bone VITA classical A1-D4 shade guide arranged according to value VITA classical A1-D4 shade guide arranged according to chroma; A: red-brown, B: red-yellow, C ...

  4. Amalgam tattoo - Wikipedia

    en.wikipedia.org/wiki/Amalgam_tattoo

    Amalgam tattoo is a grey, blue or black area of discoloration on the mucous membranes of the mouth, typically on the gums of the lower jaw. It is a healthcare caused lesion, due to entry of dental amalgam into the soft tissues. It is common, painless, and benign, but it can be mistaken for melanoma

  5. Oral pigmentation - Wikipedia

    en.wikipedia.org/wiki/Oral_pigmentation

    It is a very common oral condition and affects 13% of the world population. It is often due to poor oral hygiene which leads to accumulation of oral bacteria and build up of keratin on the tongue surface. Black hairy tongue can also be associated with the use of certain medications such as antibiotics, prolonged coffee/tea drinking habit, or ...

  6. Enamel hypoplasia - Wikipedia

    en.wikipedia.org/wiki/Enamel_hypoplasia

    Turner's hypoplasia or Turner's tooth is a presentation of enamel hypoplasia that normally affects only a single tooth. Its causes can be the same as other forms of enamel hypoplasia, but it is most commonly associated with trauma to a primary maxillary central incisor and the subsequent developmental disturbance of the underlying permanent ...

  7. Dental plaque - Wikipedia

    en.wikipedia.org/wiki/Dental_plaque

    Dental plaque is a biofilm that attaches to tooth surfaces, restorations and prosthetic appliances (including dentures and bridges) if left undisturbed.Understanding the formation, composition and characteristics of plaque helps in its control. [6]

  8. Periapical periodontitis - Wikipedia

    en.wikipedia.org/wiki/Periapical_periodontitis

    It is a likely outcome of untreated dental caries (tooth decay), and in such cases it can be considered a sequela in the natural history of tooth decay, irreversible pulpitis and pulpal necrosis. Other causes can include occlusal trauma due to 'high spots' after restoration work, extrusion from the tooth of root filling material, or bacterial ...

  9. Synodontis nigromaculatus - Wikipedia

    en.wikipedia.org/wiki/Synodontis_nigromaculatus

    [3] [4] The number of teeth on the mandible is used to differentiate between species; in S. nigromaculatus, there are about 30 teeth on the mandible. [5] The body color is greyish on the top, white on the underside. The body is covered with round black spots. [5] The maximum total length of the species is 38.5 centimetres (15.2 in). [2]