Humans have the surveil types of teeth :
Incisors are the sharp tooth at the movement of the mouth that sting into food and cut it into smaller pieces. They are compressed with a dilute border. They are besides called anterior teeth. Both children and adults have eight incisors — four cardinal incisors at the battlefront of the mouth, two on each row, with one lateral pass incisor positioned on either side of them .
Canines are the shrill, pointed teeth that sit future to the incisors and look like fangs. Dentists besides call them cuspids or canine. Canines are the longest of all the tooth, and people use them to tear food. Both children and adults have four canines. Children normally get their first permanent wave canines between the ages of 9 and 12. The lower canines tend to come through slenderly before those in the upper call on the carpet .
Premolars, or bicuspids, are bigger than the incisors and canines. They have many ridges and help chew and grind up food. Adults have eight premolars. The first base and second premolars are the molars that sit next to the canines. Young children do not have premolar teeth. These first appear as permanent tooth when children are 10–12 years erstwhile.
Molars are the biggest of all the teeth. They have a big, flat airfoil with ridges that allow them to chew food and grind it up. Adults have 12 permanent molars — six on the bottom and top call on the carpet, and children have eight basal molars. The last molars to erupt are wisdom teeth, or third molars, which normally come through between the ages of 17–21. These model at the conclusion of the row of teeth, in the far corners of the jaw. Some people do not have all four wisdom of solomon teeth, or the tooth may stay unerupted in the bone and never appear in the mouth. sometimes wisdom teeth can become impacted, which means they can become trapped under the gumwood and are ineffective to come through properly. Wisdom teeth that only come through halfway or are in the wrong position can increase the hazard for infection or wrong in surrounding areas. It is all-important to see a dentist if people have any issues with their wisdom teeth. People may experience mild discomfort when their wisdom teeth begin pushing through the gums, but anyone feeling a distribute of trouble or has swelling should see a dentist. A dentist may need to remove wisdom of solomon teeth if a person has tooth decay, pain, or an infection. People do not need these teeth for chew, and they are unmanageable to keep clean because of their position army for the liberation of rwanda back in the mouth.