[Article] Why can’t we have perfect teeth? Adjust Share By Walter C. (Walter Clement) Alvarez, This article is only available as a PDF to subscribers. Download PDF Tags 20th century Dental caries Nutrition and dental health United States More from Walter C. (Walter Clement) Alvarez Adjust Share Close < Previous Issue | View All Issues | Next Issue > October 1939 < Previous Issue | View All Issues | Next Issue > Table of Contents Close