청소년의 영구치 맹출 지연에 관한 증례 = RETARDED RERMANENT TEEH ERUPTION IN ADOLESCENT

다국어 초록 (Multilingual Abstract)

The 15 year-old boy patient complained of delayed permanent teeth eruption. The authors found multiple dentigerous cysts involving many permanent teeth through radiographic fingdings.
We observed as follows:
1. Most of primary teeth were remained and only six permanent teeth erupted. Cystic lesions were found around the crown of impacted mandibular laterar incisors, canines, 1st molars and maxillary right lateral incisor, canine throught radiographs. It was shown that there were teeth anomalies of mandibular second premolars, taurodontism of maxillary first molars, dilacerated roots of many teeth and ectopic eruption of maxillary left second premolar and mandibular right first molar.
2. Pediatric clinical, laboratory, radiographic findings and growth and thyroid hormone tests were non specific.
3. Specific hereditary characteristics were not found in his families.
4. Tooth eruption progressed after marsupialization of cyst, but serial observation is required.