Research Progress of Using Near Infrared Upconversion Materials to Increase Curing Depth of Resin

doi:10.13701/j.cnki.kqyxyj.2020.03.004

Abstract

Abstract: As an important dental filling material, resin has been widely used in clinic since its development. Near infrared (NIR) light has a higher penetrability than visible light, and the upconversion (UC) material irradiated by NIR light with a specific wavelength can excite different wavelengths of visible light, such as blue light, and then light cure the dental resin. In recent years, based on these characteristics, it is proposed that UC materials could be incorporated into the UV curable resin. The UC material was then irradiated by NIR light and excited UC materials in the deep layer to convert into the blue light required for UV curable resin. This was called the deep curing of the dental resin. In this paper, the related research, existing problems, and possible long-term development of this modified method are discussed.

Key words: dental resin, near infrared, upconversion, curing depth

GUO Qianyun, LIU Bin. Research Progress of Using Near Infrared Upconversion Materials to Increase Curing Depth of Resin[J]. Journal of Oral Science Research, 2020, 36(3): 206-208.

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