Impact of opioid abuse on oral health: a retrospective cohort study - Smeda, Martyna; Knogl, Constanze; Müller, Karolina; Stahl, Martin; Buchalla, Wolfgang; Keim, Lukas; Piendl, Ursula; Wodarz, Norbert; Widbiller, Matthias (Frontiers in Oral Health, 2025)