Transmigration of impacted mandibular canine to opposite side

Yoko Nakano, Takahiko Shibahara, Hiroshi Sekiguchi, Masashi Yakushiji
2008 Pediatric Dental Journal  
CASE REPORT: A boy visited a local dentist for the treatment of other teeth at the age of 12 years, and the same dentist at the age of 17 years and 6 months. Comparison of panoramic X-rays taken at the age of 17 years and 12 years revealed that the impacted left mandibular canine had transmigrated to the right side, and so the patient was referred to our department for a more detailed examination. The panoramic X-ray obtained at the age of 12 years showed that the left mandibular canine was
more » ... ular canine was horizontally impacted almost in the center of the mandibular bone, with its tooth crown oriented toward the right. The panoramic X-ray taken at the age of 17 years and 6 months showed that the apex of the impacted left mandibular canine had horizontally migrated to the tooth root apical area of the right mandibular first molar. CONCLUSION: Transmigration of the mandibular canine across the mandible midline is an uncommon phenomenon. When delayed eruption of primary teeth occurs, it is necessary to confirm the position of permanent tooth germs using panoramic X-rays. hospital at the age of 5 years due to the eruption of a supernumerary tooth in the mandibular anterior tooth region. On extraction of the tooth, an impacted left mandibular canine was detected. The patient then continued to visit our department for some time for observation. Oral findings: The left mandibular canine was not macroscopically visible. No other abnormalities were found. X-ray findings: The panoramic X-ray obtained at the age of 12 years showed that the left mandibular canine was horizontally impacted almost in the center of the mandibular bone, with its tooth crown oriented toward the right (Fig. 1) . The tooth crown was surrounded by an X-ray transmissive round image, and the tooth root was immature. The panoramic X-ray taken at the age of 17 years and 6 months showed that the apex of the Case Report The patient was a 17-year-old male who came to our department for an initial examination. He first consulted the department of oral surgery at our
doi:10.11411/pdj.18.70 fatcat:6jclppen2jdjvnnbucjwya7lhe