Oats are more tolerant to extreme conditions than some of their grassy relatives, like wheat, and it is probable that they began to be cultivated in Europe for that reason. This grain continues to be farmed all over the world in areas that are not suited to more finicky grains.
Dental chart (tooth numbering) Teeth are numbered in order to identify them with ease. However there are two common systems of numbering teeth that can confuse unless you know which one you are using. America uses the Universal numbering system and numbers teeth like this:
Out of nowhere, he or she rattles off alpha-numeric jargon: 3MOD, 5DO, 13MFD and so on. The dentist is using a form of dental shorthand. Numbers represent teeth that have cavities or other problems. The upper right, third molar or wisdom tooth (this is the one farthest back in the mouth) is tooth number one. Tooth 16 is the upper left, third molar. Number 17 is the lower left, third molar. And 32 is the lower right, third molar.