Question 30 (part 2) · LDEK · Non-surgical treatment
FotoSan device may be used in photodynamic therapy of periodontal diseases and uses light of 660 to 690 nm wavelength, which corresponds to the following color:
- A. red.
- B. yellow.
- C. orange.
- D. green.
- E. blue.
Hint
Place 660–690 nm on the visible spectrum, which runs from violet at about 400 nm to the long-wavelength end at about 700 nm.
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