mesial drift


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mesial drift

The natural tendency for teeth to move in a mesial direction within the dental arch to maintain tight interproximal contacts between adjacent teeth.
Synonym: physiological tooth movement See: pathological tooth migration; physiological tooth migration; tooth movement
See also: drift

drift

(drift)
In dentistry, movement of teeth usually medially due to loss of adjacent teeth or wear of proximal surfaces.
Synonym(s): mesial drift, migrating teeth.