CURING LIGHT OPTICAL FIBER TIP
Optical Fiber Tip quality is crucial, in order to deliver perfect polymerization of the filling material. Successful curing depends directly on many factors of which the most important is the correct functioning of the curing unit to emit light of sufficient intensity and quality. If the contribution of any of these factors is at a less than adequate level, the light-sensitive materials will not polymerize completely, which in the long term may be responsible for secondary caries and decreased longevity of the restoration. Factors that may reduce the light output include aging of the bulb and filter, damage of the light guide or fiber optics, deposits on the light tip due to autoclave scale, erosion of light tip surface due to immersion sterilization, and line voltage fluctuations.
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Read HERE more about Curing Lights
Read some useful considerations about care and maintenance of curing lights, including information on the influence that some of these may have on the intensity emitted by the curing light.