Many people nowadays have to (1) ___________ false teeth when they are (2) _____________ . The reason is that tooth (3) __________ increases a lot. The amount of (4) ____________ on our food also increases. Doctors and dentists now know that sugar is the chief (5) ______________ of tooth decay. Eskimos’ (6) ___________ , for example, started to decay when they began to (7) ________ sweeter food. Long ago doctors didn’t like to (8) _________ people’s teeth. Barbers and Blacksmiths looked after people’s teeth and (9) __________ them out when they decayed. Some people (10) __________ toothache was a punishment from the Gods.
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