Related Experiment Video
Updated: Aug 9, 2026

Whisker-signaled Eyeblink Classical Conditioning in Head-fixed Mice
Published on: March 30, 2016
An Army dentist in the combat zone during WWII
Abstract:
It is 60 years since the bombing of Pearl Harbor and the outbreak of World War II for the United States. Some of the men and women who served in the armed forces at the time are willing to share some of their reminiscences with those of us who could not serve for one reason or another or who may not even have been born at the time. One of the dentists who is willing to share some of his memories is Dr. Charles Q. Orden of New York. Unless these people share their memories much history will be lost forever in the next years, and we will all be poorer for it. We sincerely thank Dr. Orden for his offer of information and for allowing us to reproduce Fig. 1 in which he is seen as the dentist using a field dental chair, a foot-powered drill, and with a black dental corpsman as his assistant.
Related Concept Videos
Teeth
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...
Tooth 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.

