CCND1 and lip and oral cavity carcinoma: Another in vitro study in oral dysplastic and oral cancer cells suggested that PBM (660 nm or 780 nm, 40 mW, 2.05, 3.07, or 6.15 J/cm2) could modulate the Akt/mTOR/CyclinD1 signaling pathway linked to more aggressive cell behavior.42