Dental effects reported by e-cigarette users include cracked or broken teeth, toothache, change in tooth coloration, caries, tooth abscess, tooth sensitivity, and tooth loss or extraction.
Yang I, Sandeep S, Rodriguez J. The oral health impact of electronic cigarette use: a systematic review. Crit Rev Toxicol. 2020 Feb;50(2):97-127. doi: 10.1080/10408444.2020.1713726. Epub 2020 Feb 11. Erratum in: Crit Rev Toxicol. 2020 Apr 14;:1. PMID: 32043402.