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Common Problems

Crossbite

Screen Shot 2012-07-05 at 1.41.58 PMPosterior crossbites usually result from aconstricted upper jaw or unusually wide lower jaw.  A narrow upper jaw will often force a patient to move their lower jaw forward or to the side when closing into a stable bite.  When closed into this accommodated position, the lower teeth are located outside the upper teeth.  This posturing may result in an incorrect functional position of the lower jaw with accompanying facial asymmetry.


Crowding

crowdingCrowding of teeth is the most commonproblem associated with the need for orthodontic care.  Although many factors contribute to the dental crowding this problem usually stems from a discrepancy between space available in each jaw and the size of the teeth.  Aside from aesthetic considerations, poor alignment of teeth may be associated with periodontal problems and an increased risk of dental decay due to difficulty in maintaining proper oral hygiene.


Deepbite

DeepbiteExcessive vertical overlapping of incisorteeth called “overbite” is generally found in association with a discrepancy between the length of the upper and lower jaws.  It usually results in excessive eruption of either the upper or lower incisors or both.  Associated problems include: 1) excessive display of gum tissue 2) lip protrusion or entrapment 3) biting the roof of the mouth, and 4) incisor wear.


Openbite

openbiteA lack of vertical overlap of the incisorteeth can usually be traced to jaw disharmony or persistent habits (i.e. thumb sucking habits and posturing of the tongue between the front teeth) or excessive vertical growth of one or both jaws.  Early assessment and intervention with these disorders is critical to the overall success.


Spacing

Screen Shot 2012-07-02 at 10.58.12 AMSpaces between teeth are another common problem associated with the need for orthodontic care.  Like crowding, spacing may be related to a tooth-to-jaw size disharmony.  Gum tissue attachments called “frenae” are also a common cause of spacing between front teeth. Incisor protrusion may also lead to spacing.  Other contributing factors to spacing between teeth include atypical or unusually narrow teeth, and missing or impacted teeth.