Developmental anomalies of teeth are divided into five types; anomalies in size and shape, number, position and occlusion, eruption, and in hypoplasia of the teeth. Among them, we sometimes find impacted teeth including ectopic teeth as anomalies in position of the teeth
[1] . Usually, impacted teeth are located in or adjacent to the normal site. It is uncommon for an impacted tooth to be located or erupt ina place remote from the normal site and this condition is called “ectopia”
[2] .It is associated with secondary lesions, such as inflammation, and at times other anomalies of the teeth are revealed such as shape and size.
Recently, we experienced a case of an ectopic malformed tooth of a left impacted third molar which was located in the maxilla adjacent to the infraorbital region associated with sinusitis.
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