Abstract
We treated a case of a compound odontoma in the vicinity of the lower incisor which changed the positions of the permanent teeth germs. The patient was 8 year 5 month old boy at the time of his first visit. We have also clinically followed-up this case for 4 years and 10 months after extraction of a compound odontoma.
1) Based on X-ray examination, we found that the compound odontoma was close to the apexes of the lower primary lateral incisor and cuspid on the left. In addition 3 or 4 tooth-like pieces were seen.
2) Apparently a granulation with many tooth-like materials were extracted and of which the size was as large as the top of the 5th finger. Also 3 toothlike materials were taken out. Softex X-ray projected more than 20 various sizes of tooth-like solid peices and it was discovered that each peice contained enamel, dentin and pulp cavity.
3) The bone loss after the extraction was almost recovered as well as the other side in 8 months after the extraction and the trabecula was also recognized.
4) The left lower permanent lateral incisor, which was extremely displaced by the compound odontoma recovered its correct horizontal position in 4months after the extraction and the correct vertical one in 1 year 2-6 months compared to the other side.
5) The permanent teeth, which were displaced by the odontoma, erupted in the nomal position without the eruption-inducing therapy.
