malposition

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malposition

[¦mal·pə′zish·ən]
(medicine)
Abnormal position of an organ or other body structure, or of the fetus.
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Orthodontic arch wires are often working under continuous loading conditions, especially when correcting the malposed teeth.
Other conditions that do not warrant service connection include: calculus; acute periodontal disease; removal of third molars (wisdom teeth), unless disease or pathology of the tooth developed after 180 days or more of active service or was due to combat or in-service trauma; impacted or malposed teeth and other development defects, unless disease or pathology of the tooth developed after 180 days or more of active service; and teeth extracted because of chronic periodontal disease unless they were extracted after 180 days or more of active service.
A female patient of 20 years old approached a private dental clinic with a complaint of malposed upper left tooth (Figure 1).
Systemic factors, such as cleidocranial dysplasia, endocrine deficiency, febrile disease, Down Syndrome and irradiation, other systemic factors or/and local factors such as prolonged deciduous tooth retention, malposed tooth germs, arch-length deficiency, supernumerary teeth, odontogenic tumors abnormal eruption path and cleft lip and palate may influence impaction of permanent teeth (Jacoby et al., 1983; Raghoebar et al., 1991; Moyres, 1998; Miloro).