TY - GEN AU - Mohammad Ahmad Abdulaal Elkolaly AU - Faten Hussein Eid , AU - Manal Yehia Foda , TI - Comparative study between two differnt types of anchorage units in the lower dental arch / PY - 2007/// CY - Cairo : PB - Mohammad Ahmad Abdulaal Elkolaly , KW - Lingual Arch KW - Loss of anchorage KW - Second Molar Bands N1 - Thesis (M.Sc.) - Cairo University - Faculty Of Oral and Dental Medicine - Department Of Orthodontics; Issued also as CD N2 - The effectiveness of two commonly used mandibular anchorage techniques the mandibular lingual arch and the banding of the mandibular second permanent molars was copared during mandibular canine retraction ER -