TOOTHBRUSH DRILL- HD In a public ceremony, students in the People's Republic of China demonstrate their dental hygiene skills while a military band plays. Direct transfer from film, Apple Pro Res 422 HQ 1080p.
ATOMIC POWER USED TO IMPROVE DENTAL HYGIENE - 1950S EXPERIMENT Atomic power is used to experiment with improved dental hygiene in this 1950S montage. A little boy brushes his teeth vigorously then cut to machines brushing teeth that have been radiated as part of an experiment using a new fluoride toothpaste. A lab worker carefully handles the radioactive teeth with red rubber gloves.
Date: 1950s - COLOR Source: Film: 16P Length: 00:00:30:00, No Audio
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