How many teeth does a person have?
A human tooth is a part of the dental organ intended for the primary processing of food, the formation of sounds in speech, and less often for defense. Often we hear in advertising toothpaste, how many teeth does an adult have. Thirty two teeth. However, for their lives will grow a little more.
In a person's life, two sets of teeth grow up: dairy and indigenous. Every teenager knows how many milk teeth a person has, because by the age of 12, milk teeth usually change to molar teeth. So, a person grows twenty milk teeth: 10 on the top and 10 on the bottom. 5 teeth for each half. In the period of replaceable bite, milk teeth in humans are replaced by permanent ones. By the formation of a permanent bite at 12-14 years in a healthy person grows 28 teeth. Later, at the age of 17 to 25 years old, the last teeth, wisdom teeth, are erupted from a person. There are 4 wisdom teeth in a person 4: 2 on the upper and lower pells. Total: 32 teeth. This is the answer to the question "how many teeth does a person have." Unless a person has an abnormal number of teeth.
Anomalies of the number of teeth
Hyperdontic Expressed in excess of the number of teeth in humans. The nature of this phenomenon is unknown. Anomaly occurs in about 2% of people.
Hypodontia It is expressed in a lack of teeth in a person, caused by inhibition in the development of dental germs. There are anomalies with the absence of up to six teeth (not counting the third molars - wisdom teeth).