Statistical Analysis on Patients with Cleft Lip and/or Palate in the Past 5 Years at the Orthodontic Clinic, Suidohbashi Hospital of Tokyo Dental College

DOI 11 Citations 7 References
  • YOSHIMURA Ryoko
    Division of Orthodontics, Department of Clinical Oral Health Science, Tokyo Dental Callege
  • ABE Terumi
    Division of Orthodontics, Department of Clinical Oral Health Science, Tokyo Dental Callege
  • MIYAZAKI Haruyo
    Division of Orthodontics, Department of Clinical Oral Health Science, Tokyo Dental Callege
  • ONO Akemi
    Division of Orthodontics, Department of Clinical Oral Health Science, Tokyo Dental Callege
  • MISHIRO Masayoshi
    Division of Orthodontics, Department of Clinical Oral Health Science, Tokyo Dental Callege
  • HASEBE Toshikazu
    Division of Orthodontics, Department of Clinical Oral Health Science, Tokyo Dental Callege
  • SAKAMOTO Teruo
    Department of Orthodontics, Tokyo Dental Callege
  • SUEISHI Kenji
    Division of Orthodontics, Department of Clinical Oral Health Science, Tokyo Dental Callege
  • YATABE Kenichi
    Division of Orthodontics, Department of Clinical Oral Health Science, Tokyo Dental Callege
  • YAMAGUCHI Hideharu
    Department of Orthodontics, Tokyo Dental Callege

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  • 東京歯科大学水道橋病院矯正歯科における過去5年間の口唇裂口蓋裂患者の統計的観察

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We carried out a statistical analysis on 174 patients with cleft lip and/or palate who visited our clinic from 1999 through 2003.<BR>The results were as follows:<BR>1) The total number of patients was 174.<BR>2) The gender breakdown was 84 males (48.3%) and 90 females (51.7%).<BR>3) Most of the patients visited for their first time at the age of 6 or 7.<BR>4) 73 patients (42.0%) were from Saitama,59 (33.9%) were from Tokyo, and 18 (10.3%) were from Kanagawa.<BR>5) Of the 174 patients referred to us from elsewhere,82 patients (47.1%) were from other university hospitals, while 75 (43.1%) were from other general hospitals.<BR>6) The incidence of each type of cleft lip and/or palate was as follows: Cleft lip and palate (CLP): 94 cases (54.0%), cleft lip and alveolus (CLA): 33 cases (19.0%), cleft palate (CP).29 cases (16.7%), cleft lip (CL): 17 cases (9.8%), and median cleft lip: 1 case (0.6%). The laterality (the ratio of left to right side) was as follows: Unilateral CLP 4.0: 1, Unilateral CLA 2.9: 1, Unilateral CL 1.7: 1. More males had CLA, while more females exhibited CL and CP. There was no appreciable difference between genders for CLP.<BR>7) Anteroposterior occlusal relationship was characterized by minus overjet in 69.5 % and plus overjet in 20.1%.

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