since the beginning of this century ,...decay has greatly increased.The amount of sugar in our food has also increased Doctor and dentist now know that...is the chief cause of tooth,....Eskimos'teeth,for example,started to...when they began to eat sweet... Long ago doctors did not like...treat people's teeth.Barbers and blacksmith...after people's teeth and pulled them...when they decayed.Some people thought...was a punishment from the gods
since the beginning of this century ,.tooth..decay has greatly increased.The amount of sugar in our food has also increased Doctor and dentist now know that..sugar.is the chief cause of tooth,..decay..Eskimos'teeth,for example,started to..decay.when they began to eat sweet.food.. Long ago doctors did not like..to.treat people's teeth.Barbers and blacksmith..look.after people's teeth and pulled them.out..when they decayed.Some people thought.toothache..was a punishment from the gods
Since the beginning of this century ,.tooth..decay has greatly increased.The amount of sugar in our food has also increased Doctor and dentist now know that..sugar.is the chief cause of tooth,..decay..Eskimos'teeth,for example,started to..decay.when they began to eat sweet.food.. Long ago doctors did not like..to.treat people's teeth.Barbers and blacksmith..look.after people's teeth and pulled them.out..when they decayed.Some people thought.toothache..was a punishment from the gods .