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Common Problems

Anterior Crossbite

The primary or permanent maxillary incisors
locked lingual to mandibular incisors.

Posterior Crossbite

The primary permanent maxillary posterior
teeth in lingual position in relation to the
mandibular teeth.


Crowding occurs when teeth have insufficient
room to erupt from the gum. Crowding
can often be corrected by expansion, and
many times, tooth removal can be avoided.


The upper front teeth extend out over the
lower front teeth, sometimes causing the
lower front teeth to bite into the roof of the mouth.

Open Bite

Proper chewing is impacted by this type of
bite, in which the upper and lower front teeth
do not overlap. Openbite may cause a number
of unwanted habits, such as tongue thrusting.

Ectopic Eruption

The abnormal direction of tooth eruption,
most common to mandibular first and third
molars, which sometimes leads to abnormal
resorption of the adjacent tooth.

When to start orthodontic treatment.