Regional odontodysplasia is a rare human dental anomaly. This non-hereditary developmental condition affects dental tissues derived from both the mesoderm and ectoderm. Diagnosis is based mainly on clinical and radiographic findings, although it is often supported with histopathology. This case report describes an extraction in a juvenile dog with a partially erupted, malformed canine tooth having clinical, radiographic, and histologic features consistent with regional odontodysplasia.
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