Multiple Choice
Dentists employ light-cured materials to fill cavities.The wavelength of electromagnetic radiation used to photopolymerize restorative materials falls in the ultraviolet or visible region,depending on the instrument employed.Which of these wavelengths is in the UV region?
A) 31 nm
B) 300 nm
C) 440 nm
D) 840 nm
Correct Answer:
Verified
Correct Answer:
Verified
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