The number of human teeth

Dr. Bahman Pouragadham
Dr. Bahman Pouragadham
Tehran
The number of human teeth ================================== According to statistical analyses, the shape and number of human teeth have changed over the centuries....with the change in human diet, the size of jaws and teeth and even the quantity of teeth have changed fundamentally.... The number of each type of modern human tooth
During life, a total of 52 teeth grow in your mouth....The buds of these teeth are formed during the fetal period....There are 20 milk teeth or temporary teeth and 32 permanent teeth....The different types of human teeth are introduced as follows:
Number of milk teeth..
There are 20 milk teeth 10 of which grow in each jaw. In fact, there are four incisors, two canines and four molars in each jaw. These teeth begin to grow at six months and 12 years.
### Number of permanent teeth
There are 32 permanent teeth, 16 of which grow in each jaw. In fact, each jaw has four incisors, two canines, four premolars and six molars. The last molars are called wisdom teeth.
### number of incisors
The incisors are located in the space in front of your mouth....there are four incisors in the upper jaw and four more in the lower jaw....these teeth are wide and have large wear surfaces, so they have a lot of food....their main job is to grab and tear food...sharper and sharper teeth were completely different than humans today.... The incisors are side teeth, which prevent them from having a beautiful smile.
#### Number of canines
All have four canines that are sharper than the others.... Their pointed structure reduces their surface area with food but increases the pressure on each bite.... In fact, canines are used to tear food and create holes in the bite site.... Early humans had four canines, but the canines of each were much longer and sharper than modern canines.
There are four premolar teeth in each jaw, two of which are located near each canine tooth.... These teeth have direct contact areas and sharp ridges that are used for chewing, crushing and pulverizing food.... Early humans had four premolar teeth in each jaw.... The number of their premolar teeth was much more and the number of these teeth was sharper.... Reduction.
Nowadays, in some people, the buds of the fifth premolar grow smaller than normal, or they may even do their own growth... Therefore, it decreases due to the lack of sufficient space in the jaws... If there are many teeth in a small jaw, the teeth begin to grow irregularly and get caught.... In this case, patients should refer to orthodontics. .
number of molars
There are six molars in each jaw.... They are located in one jaw at the end of each side.... These teeth are called the first, second and third molars.... The third molar is known as the wisdom tooth... These teeth, having the most contact areas with food, are used for crushing, chewing and pulverizing food.
In the future, humans will have four molars in each jaw....in other words, wisdom teeth are about to disappear... These teeth exist in some people today or grow in such a way that they need surgery.
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