March 26, 2021 by Kathy Kirchner-Sinai The Past Changing the Future Share Tweet Pin Share https://www.stltoday.com/lifestyles/health-med-fit/health/harvard-university-research-revives-use-of-decades-old-famous-st-louis-baby-tooth-survey/article_37ee11f9-768a-5b5f-bf06-a6bb4e5a35c8.html#tracking-source=home-top-story Share Tweet Pin Share