| CASE REPORTS OF SINGLE MEDIAN MAXILLARY CENTRAL INCISOR |
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Yun-Kyung Shin, Young-Jae Kim, Jung-Wook Kim, Ki-Taeg Jang, Sang-Hoon Lee, Se-Hyun Hahn, Chong-Chul Kim |
| Department of Pediatric Dentistry, College of Dentistry and Dental Research Institute, Seoul National University |
| Single Median Maxillary Central Incisor(SMMCI) 환아의 증례보고 |
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신윤경, 김영재, 김정욱, 장기택, 이상훈, 한세현, 김종철 |
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서울대학교 치과대학 소아치과학교실 및 치학연구소 |
Correspondence:
Chong-Chul Kim, Tel: 82-2-2072-3819, Fax: 82-2-744-3599, Email: kimcc@snu.ac.kr
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| Abstract |
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Anatomic abnormalities of teeth development include the presence of a single maxillary central incisor at midline instead of two central incisors. The incidence of cases with a single maxillary central incisor is approximately 1 in every 50,000 live births. single median maxillary central incisor(SMMCI) may be a integral manifestation of any one of a number of syndromes. It has been reported an association with several midline disorders which have varied in severity. A SMMCI has also been reported as an isolated finding. But in some cases, it has been considered as an incomplete expression of autosomal dominant holoprosencephaly. So any patient who appears for treatment with a SMMCI should be referred for a detailed medical examination to exclude other associated systemic abnormalities and for mutation analysis to facilitate correct diagnosis and the provision of appropriate genetic counseling. Early orthodontic treatment is needed to minimalize emotional trauma of child. This case report was about three patients with a SMMCI as isolated finding. The purpose of these case reports was to present cases of single maxillary central incisor not associated with other disorders. |
| Key Words:
Single median maxillary central incisor(SMMCI), Midline disorders, Holoprosencephaly |
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