Comparative effect of a candidate modified risk tobacco product aerosol and cigarette smoke on color stability of enamel, dentin and dental composite resins Posters posters Systems Toxicologysystemstoxicology Feb 24, 2018 20180224 /content/dam/pmiscience/default-fallback-thumbnails/publication/pmi-science-laboratory-detail-teaser-image-3840x2160.jpg