1Hanks CT,Fat JC,Wataha JC,et al.Cytotoxicity and dentin permeability of carbamide peroxide and hydrogen peroxide vital bleaching materials[J].J Dent Res,1993,72(5):931-938.
2Cooper JS,Bokmeyer TJ,Bowles WH.Penetration of pulp chamber by carbamide peroxide bleaching agents[J].J Endod,1991,18(7):315-317.
3Leonard RH,Haywood VB,Phillips C.Risk factors for developing tooth sensitivity and gingival irritation with nightguard vital bleaching[J].Quint Int,1997,28(8):527-534.
4Gerlach RW,Zhou X.Vital bleaching with whitening strips:summary of clinical research on effectiveness and tolerability[J].J Contemp Dent Pract 2001,2(3):1-16.
