5Geurtsen W, Schwarze T, Gtinay H. Diagnosis, therapy, and prevention of the cracked tooth syndrome[J].Quin- tessence Int,2003,34(6) :409-417.
6Wright EF, Bartoloni JA. Diagnosing, managing, and pre- venting cracked tooth syndrome [J]. Gen Dent, 2012, 60 (5) :e302-307.
7Lubisich EB, Hilton TJ, Ferracane J, et al. Cracked teeth: a review of the literature[J]. J Esthet Restor Dent,2010, 22(3) :158-167.
8Kim SY,Kim SH,Cho SB,et al.Different treatment protocols for different pulpal and periapical diagnoses of 72cracked teeth[J].J Endod,2013,39(4):449-452.