[1] [1] EMAMI N, SODERHOLM K M, BERGLUND L. Effect of light power density variations on bulk curing properties of dental composites［J］.Journal of Dentistry, 2003, 31(3): 189196.

[2] [2] ANTTILA E J, KRINTILA O H, LAURILA T K, et al. Evaluation of polymerization shrinkage and hydroscopic expansion of fiberreinforced biocomposites using optical fiber Bragg grating sensors［J］. Dental Materials, 2008, 24(12): 17201727.

[3] [3] SAKAGUCHI R L, WITBANK B D, SHAH N C. Critical configuration analysis of four methods for measuring polymerization shrinkage strain of composites［J］.Dental Materials, 2004, 20(4): 388396.

[4] [4] LU H, STANSBURY J W, BOWMAN C N. Towards the elucidation of shrinkage stress development and relaxation in dental composites［J］. Dental Materials, 2004, 20(10): 979986.

[5] [5] WATTS D C, MAROUF A S, ALHINDI A M. Photopolymerization shrinkagestress kinetics in resincomposites: methods development［J］. Dental Materials, 2003, 19(1): 111.

[6] [6] TANG Daqing, YANG Dexing, LIAO Wei, et al. Joystick transducer based on fiber Bragg gating［J］. Acta Photonica Sinica, 2010, 39(11): 19931997.

[7] [7] SUN Weisheng, SHI Jielong, CHEN Yuanyuan, et al. Temperature characteristics of long period fiber gratings contained high temperature resistant coating layer［J］. Acta Photonica Sinica, 2011, 40(10): 14901493.

[8] [8] YU Youlong, TAN Ling, ZOU Ligang, et al. Piezoelectric ceramic characteristics using fiber grating sensor［J］. Acta Photonica Sinica, 2011, 40(7): 994997.

[9] [9] CAI Hanli, HU Wenbin, ZHANG Yanxiao, et al. A fiber Bragg grating sensor of steel corrosion at different humidities［J］. Acta Photonica Sinica, 2011, 40(5): 690693.

[10] [10] LI Dongsheng, HUO Zhipu. Digital demodulation method for fiber Bragg grating sensors based on signal autocorrelation principle［J］. Acta Photonica Sinica, 2008, 37(5): 914917.

[11] [11] KIM S H, WATTS D C. Exotherm behavior of the polymerbased provisional crown and fixedpartial denture materials［J］. Dental Materials, 2004, 20(4): 383387.