Choose the suitable word in the box to fill in each gap: cause ; decay ; eat ; middle-aged ; pulled ; sugar ; teeth ; thought ; treat ; wear
Many people nowadays have to...................false teeth when they are.................... The reason is that tooth.................increases a lot. The amount to..................in our food also increases. Doctors and dentists now know that sugar is the chief....................of tooth decay. Eskimos'...................., for example, started to decay when they began to.................... sweeter food.
Long ago doctors did not like to..................people's teeth. Barbers and blacksmiths looked after people's teeth and..................them out when they decayed. Some people..................toothache was a punishment from the gods.