Dentition mammals the infants have a set of teeth that fall out and are replaced by adult teeth. These are called deciduous teeth, primary teeth, baby teeth or milk teeth. Animals that have two sets of teeth, one followed by the other, are said to be diphyodont. Normally the dental formula for milk teeth is the same as for adult teeth except that the molars are missing. Because mammal teeth are specialised for different functions, many mammal groups have lost teeth not needed in their adaptation. Tooth form has also undergone evolutionary modification as a result of natural selection for specialised
I Should Have Known Better 1964, during a three-week engagement at the Olympia Theatre in Paris, the Beatles first became aware of American singer and songwriter Bob Dylan, and after acquiring a copy of his album "The Freewheelin' Bob Dylan", they began playing it continuously. American journalist Al Aronowitz introduced them to Dylan when the Beatles visited New York City in February 1964, and Dylan subsequently became a big influence on the group, especially Lennon, who even started wearing a copycat Huckleberry Finn cap. One consequence of this “infatuation” (as Ian MacDonald later described it) was the song "I Should Have Known Better". Paul McCartney