6Capri D, Albehbehani , Smukler H. Augmentation of an anterior edentulous ridge for fixed prosthodontics with combined use of orthodontics and surgery: a clinical report[J]. J Prosthet Dent, 2003, 90(2): 111-115.
7Lara C E, Normam M, Leonor S P, et al. Changes in the oral environment during four stages of orthodontic treatment[J]. Korean J Orthod,2010,40(2): 95-105.
8Loe H,Sil ness J.Pe ri odon tal diseas einpr egnancy.I.Prevalence and seve rit y[J].Act a Odont Scand,1963,21:533-551.
9Qu igley G A,He i n J W.Comparative clean sing efficacy of manual and power brushing.J Am Dent Assoc,1962,65:26-29.
10FDI Commission.Mouthrinses and periodontal diseases[J].IntDent J,2002,52(5):346.