S-Space College of Dentistry/School of Dentistry (치과대학/치의학대학원) Dept. of Dentistry (치의학과) Journal Papers (저널논문_치의학과)
Cleft sidedness and congenitally missing or malformed permanent maxillary lateral incisors in Korean patients with unilateral cleft lip and alveolus or unilateral cleft lip and palate
- Issue Date
- American Journal of Orthodontics and Dentofacial Orthopedics 2006;130(6):752-758.
- Cleft lip and palate (CLP) is a common congenital
craniofacial deformity. The frequency of
clefting is higher in Asian people than other
races.1,2 Clefts are caused by the failure of fusion between
the medial nasal process and the maxillary process, or
between the palatal processes. These failures are the
result of genetic and environmental factors.3,4
Dental abnormalities such as hypodontia, malformation,
and abnormal eruption pattern occur frequently
in cleft patients.5-11 The permanent maxillary lateral
incisor (MLI) was of particular interest in studies of
cleft patients because of its esthetic and functional role.
A congenitally missing MLI on the cleft side is the
most common finding in those patients.8,12-16 A supernumerary
tooth in the cleft region is the second most
common anomaly.8,14,17-19 The patterns of dental
anomalies in the cleft area are important for accurate,
timely, and effective orthodontic treatment planning.
Although there have been many studies on dental
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