Some Obscurish facts
#1849
Until about 1980, almost all false teeth contained a small amount of uranium. Without it, the teeth would look a bit dull compared to real teeth. After 1980, non-radioactive chemicals were found that can match natural tooth brightness
Until about 1980, almost all false teeth contained a small amount of uranium. Without it, the teeth would look a bit dull compared to real teeth. After 1980, non-radioactive chemicals were found that can match natural tooth brightness