Brushing alone will not keep your teeth healthy. It's the brushing done right that counts.
Tooth decay was a perennial problem that meant a mouthful of rotten teeth by the time you were 30.
A dentist is only half the doctor he claims to be. He can extract your tooth, but he'll never be able to give you another to replace it.
A man begins cutting his wisdom teeth the first time he bites off more than he can chew.