Independent prognostic factors of 861 cases of oral squamous cell carcinoma in Korean adults.

Oral squamous cell carcinoma (OSCC) accounts for 4.5% of all malignant tumors in Korean males and 3.5% in Korean females.

Early childhood caries: prevalence and risk factors in Seoul, Korea.

Objective: The purpose of this study was to determine the prevalence of early childhood caries (ECC), including noncavitated lesions (d1), in children 6-59 months of age in relation to socioeconomic factors, feeding practices, and oral health behaviors in Seoul, Korea.

Methods: The children attended child care facilities and were selected from 32 primary sampling units. Two dentists examined 470 children.

Cleft type and Angle's classification of malocclusion in Korean cleft patients.

This study was performed to investigate the contributing factors, such as cleft type, side of cleft, patient's age, and gender, associated with Angle's classification of malocclusion in Korean cleft patients. The records of 250 cleft patients (175 males, 75 females) who attended the Department of Orthodontics, Seoul National University Dental Hospital between 1988 and 1999 were examined. The percentages of subjects with cleft lip (CL), cleft lip and alveolus (CLA), cleft palate (CP), and cleft lip and palate (CLP) were 7.

Temporomandibular disorders in 19-year-old Korean men.

Purpose: The purpose of this study was to determine the prevalence and the nature of the relationships between 3 temporomandibular joint disease (TMD) symptoms and symptoms of associated structures.

Materials And Methods: This study was designed to rule out the effect from the uneven composition of the samples on TMD symptoms. The samples were collected from subjects who were of the same age, gender, district, and race.