Deciduous teeth first teeth seen in the mouth are the mandibular centrals and the last are the maxillary second molars. The primary teeth are made up of central incisors, lateral incisors, canines, first molars, and secondary molars; there is one in each quadrant, making a total of four of each tooth. All of these are gradually replaced with a permanent counterpart except for the primary first and second molars; they are replaced by premolars. The replacement of primary teeth begins around age six, when the permanent teeth start to appear in the mouth, resulting in mixed dentition. The erupting permanent teeth cause
To the Teeth To the Teeth To the Teeth is singer-songwriter Ani DiFranco's 10th studio album (excluding EPs, live albums and her collaborations with Utah Phillips), released in November 1999. "To the Teeth" has a more political and self-questioning edge than many of her earlier works. It is also considerably more experimental, with "Freakshow", "Swing", "Carry You Around" and "The Arrivals Gate" branching out into genres such as blues, jazz and funk. She was also supported by Prince on the track "Providence". It opens with the title track, an indictment of America's gun culture, and a response to the Columbine High School massacre.