Related Experiment Video
Updated: Jul 6, 2026
Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique
Published on: July 27, 2022
The 1990 Florida Dental Investigation: theory and fact
1Washington Post, Washington, DC 20071, USA.
Abstract:
Controversy remains about the Centers for Disease Control and Prevention's (CDC) conclusion that a dentist in Florida transmitted human immunodeficiency virus to six of his patients in the late 1980s. The most vocal doubt has come from journalists affiliated with the television program 60 Minutes. Although unanswered questions about the case remain, the evidence continues to overwhelmingly support the CDC's theory. The criticism of the CDC investigation consists largely of assertions that contrary evidence theoretically might exist.
Related Concept Videos
01:56Ethics in Research
01:15Teeth
In the bud stage, the tooth germ (an aggregation of cells) starts to form in the developing jawbone. During the cap stage, the tooth germ differentiates into enamel organ, dental papilla, and dental sac, which will later develop into the tooth's enamel, dentin and...
01:21Tooth Anatomy
The Crown, Neck, and Root
The visible part of the tooth is referred to as the crown. It's covered by enamel, the hardest substance in the human body. The crown is uniquely shaped for each type of tooth, allowing for different functions such as cutting, tearing, or grinding food.