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.

Mairead M. O'Reilly, DDS, MS

  • Mairead M. O'Reilly, B. Dent. SC., M.S., P.A. - 888 Bestgate Rd., Suite 301, Annapolis, MD 21401 Phone: 410-266-0025

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