Utility Arch, cuspid Retractor 및 Double Delta Retraction Arch에 관한 임상적 연구

A Clinical Study of Utility Arch, Cuspid Retractor and Double Delta Retraction Arch

  • 정규림 (경희대학교 치과대학 교정학교실)
  • Chung, Kyu-Rhim (Dept. of Orthodontics, College of Dentistry, Kyung Hee University)
  • 발행 : 1979.12.30