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  2. Hyperdontia - Wikipedia

    en.wikipedia.org/wiki/Hyperdontia

    While a single excess tooth is relatively common, multiple hyperdontia is rare in people with no other associated diseases or syndromes. [4] Many supernumerary teeth never erupt, but they may delay eruption of nearby teeth or cause other dental or orthodontic problems. [5] [6] Molar-type extra teeth are the most common type. Dental X-rays are ...

  3. Acromegaly - Wikipedia

    en.wikipedia.org/wiki/Acromegaly

    Acromegaly is a disorder that results in excess growth of certain parts of the human body. It is caused by excess growth hormone (GH) after the growth plates have closed. The initial symptom is typically enlargement of the hands and feet. [3] There may also be an enlargement of the forehead, jaw, and nose.

  4. Occlusion (dentistry) - Wikipedia

    en.wikipedia.org/wiki/Occlusion_(dentistry)

    This spacing is important as it allows space for the permanent (adult) teeth to erupt into the correct occlusion, and without this spacing there is likely to be crowding of the permanent dentition. In order to fully understand the development of occlusion and malocclusion , it is important to understand the premolar dynamics in the mixed ...

  5. Human tooth - Wikipedia

    en.wikipedia.org/wiki/Human_tooth

    A technique for altering the natural progression of eruption is employed by orthodontists who wish to delay or speed up the eruption of certain teeth for reasons of space maintenance or otherwise preventing crowding and/or spacing. If a primary tooth is extracted before its succeeding permanent tooth's root reaches ⅓ of its total growth, the ...

  6. Occlusal trauma - Wikipedia

    en.wikipedia.org/wiki/Occlusal_trauma

    Occlusal trauma; Secondary occlusal trauma on X-ray film displays two lone-standing mandibular teeth, the lower left first premolar and canine. As the remnants of a once full complement of 16 lower teeth, these two teeth have been alone in opposing the forces associated with mastication for some time, as can be evidenced by the widened PDL surrounding the premolar.

  7. Diastema - Wikipedia

    en.wikipedia.org/wiki/Diastema

    A mesiodens may push the front teeth apart to make room for itself thus creating a gap between the front teeth. [3] 4. Skeletal discrepancy: Dental skeletal discrepancy can be a cause behind gap teeth. If the upper jaw grows more than the lower jaw, teeth on the upper jaw will have more space to cover thus leaving gaps between them. 5.

  8. Overjet - Wikipedia

    en.wikipedia.org/wiki/Overjet

    In dentistry, overjet is the extent of horizontal (anterior-posterior) overlap of the maxillary central incisors over the mandibular central incisors.In class II (division I) malocclusion the overjet is increased as the maxillary central incisors are protruded.

  9. Dilaceration - Wikipedia

    en.wikipedia.org/wiki/Dilaceration

    In the human mouth, once the permanent teeth begin to develop, they remain underneath the primary teeth. Once they are ready to erupt they push upward eventually causing the primary teeth to fall out. There is essentially a small space between the permanent and primary teeth, roughly less than 3mm of spacing. [5]