6세 어린이의 악안면 측면의 두부방사선계측학적 연구
A cephalometric study on bony profile of six year-old children
김형종, 고부일, 차창선, 장영일,
소속 상세정보
김형종 ( ) - 서울대학교 치과대학 예방치학교실
고부일 ( ) - 서울대학교 치과대학 예방치학교실
차창선 ( ) - 서울대학교 치과대학 예방치학교실
장영일 ( ) - 서울대학교 치과대학 치과교정학교실
KMID : 0355419970210030421
Abstract
The purpose of this study was to obtain baseline data of bony profile of six year-old children for the development of prediction model of craniofacial growth and development.
For this study, the lateral cephalogram were taken at which subjects were 6 years of age. The sample consisted of 367 male and 346 female subjects with on previous orthodontic treatment.
Twenty six linear measurements and eighteen angular measurements were obtained using thirty two landmarks. Statistical comparisions between male and female subjects were performed, and discussed.
The obtained findings were as follows
1. There were no signficant difference between male and female subjects in the length of Pt-Gn, S-Gn, N-Go, S-N, S-Ar,-. Ar-Go, . N:-A, , N-B, N-D, = N-Pog, A-B, A-Pog, FH, ANS-PNS, Me-AGN, Go-Gn, Ba-N, Xi-Pm, Xi-DC and NT-SPog (P<0.05).
2. There were signficant differences between male and female subjects in the length of Go-Me, Pt-FH, SP-SPP and T-TP (P>0.05).
3. There were no signficant difference between male and female subjects in the angle of SN-OaOp, SN-GoGn, NSAr (P<0.05).
4. There were signficant differences between male and female subjects in the angle of SNA, SNB, ANB, SND, FH-NPog, FH-SGn, FH-OaOp, FH-ANSPNS, NAPog, AB-NPog, AB-MeAGN, ANS-XiPm, DC-XiPM, SArGo, Ar-GoGn (P>0.05).
키워드
6세 어린이;두부측면방사선사진계측
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