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  2. Buccal object rule - Wikipedia

    en.wikipedia.org/wiki/Buccal_object_rule

    In 1909, Charles A. Clark described a radiographic procedure for localizing impacted teeth to determining their relative antero-posterior position. [1] If the two teeth (or, by extension, any two objects, such as a tooth and a foreign object) are located in front of one another relative to the x-ray beam, they will appear superimposed on one another on a dental radiograph, but it will be ...

  3. Calculus (dental) - Wikipedia

    en.wikipedia.org/wiki/Calculus_(dental)

    When the gingiva become so irritated that there is a loss of the connective tissue fibers that attach the gums to the teeth and bone that surrounds the tooth, this is known as periodontitis. Dental plaque is not the sole cause of periodontitis; however it is many times referred to as a primary aetiology .

  4. Impacted wisdom teeth - Wikipedia

    en.wikipedia.org/wiki/Impacted_wisdom_teeth

    All teeth are classified as either developing, erupted (into the mouth), embedded (failure to erupt despite lack of blockage from another tooth), or impacted. Impacted teeth are ones that fail to erupt due to blockage from other teeth. Wisdom teeth, as the last teeth to erupt in the mouth are the most likely to become impacted.

  5. Failure of eruption of teeth - Wikipedia

    en.wikipedia.org/wiki/Failure_of_eruption_of_teeth

    These teeth tend to erupt partially but then fail to erupt as the time goes on. Profitt stated that only the posterior teeth are the ones to be affected and all the teeth which are distal to the affected tooth are also affected. Both permanent and primary teeth may equally be affected.

  6. Height of curvature - Wikipedia

    en.wikipedia.org/wiki/Height_of_curvature

    In the posterior teeth, both in upper and lower jaw, the lingual height of contour is found at the middle third of the inner surface of the tooth. The lower second premolar proposes an exception as its height of curvature in inner surface is located in the occlusal third of the inner surface.

  7. Dilaceration - Wikipedia

    en.wikipedia.org/wiki/Dilaceration

    Dilaceration is a developmental disturbance in shape of teeth. It refers to an angulation, or a sharp bend or curve, in the root or crown of a formed tooth.This disturbance is more likely to affect the maxillary incisors and occurs in permanent dentition. [1]

  8. Dental subluxation - Wikipedia

    en.wikipedia.org/wiki/Dental_subluxation

    It is most commonly seen in school children. Dental subluxation is one of the most common traumatic injuries in primary dentition. Maxillary central incisors are the most commonly affected teeth. [10] [11] Some studies have proposed that the resilience nature of periodontium favours dislocation than fracture of the tooth itself. [12]

  9. Molar distalization - Wikipedia

    en.wikipedia.org/wiki/Molar_distalization

    Molar distalization is a process in the field of Orthodontics which is used to move molar teeth, especially permanent first molars, distally (backwards) in an arch.This procedure is often used in treatment of patients who have Class 2 malocclusion. [1]