the teeth
There are teeth in the mouth in the area of the lower and upper jaws, which are two types: temporary and permanent, and the safety of the teeth affect the health of the body greatly, and therefore should be taken care of and cleaned at least twice a day to avoid tooth decay and loss of teeth.
Number of human teeth
- Dentures: The number of white teeth twenty years, consisting of four cutters in each decoder, and four molars, and Nabeen, and start these fangs appear at the age of four months and ends at the age of two and a half, and teeth appear in the jaw before the upper jaw.
- Standing teeth: The number of teeth in the human adult about thirty-two in the jaw and upper and upper, which are four cutters and Nabin and primary trees and trees at the rate of sixteen years in each decomposition, and begins to appear at the age of six years after the loss of teeth, The molars of the mind, which appear at the age of 16 years, and can remain until the age of thirty years.
Age composition
Age is three main parts: crown, root, neck, contain three layers of tissue:
- Crown: It is made up of three layers: pulp, ivory is the nerve-rich part and yellow color is very sensitive, enamel is the non-sensitive, which is a layer covering the crown and white color.
- Root area: It consists of three layers of pulp, ivory, and mortar, a layer covering the root area and the neck of the tooth.
- Neck: The area between the crown and the root.
Dental function
- Chewing: teeth are the most important organs in the body; they play an important role in cutting and chewing food, and directly affect the process of digestion, and can be infected with stomach problems such as peptic ulcer if not chewing food well in the mouth.
- External appearance: The shape of the teeth affects the consistency of the facial muscles and the shape of the smile, teeth and jaw shape are the most important things that affect the external appearance.
- Pronunciation: The shape of the teeth affects the pronunciation of letters and words, because there are many letters that depend on how to clog the teeth and air out of the mouth.
The Bells of the Mind
The molars of the mind appear at a later age than the rest of the teeth. Many people have problems with the emergence of these teeth properly and may need surgery to remove the tooth developing incorrectly, and the most important problems that affect the teeth tooth decay, and inflammation of the gums because of the lack of cleaning the teeth of the mind well to the difficulty of access, and can cover the gums full mind Forming a pocket that is susceptible to the proliferation of germs that can be transmitted to areas of the head and neck causing serious complications.
Dentist Dina Hayari talks about the importance of a dentist visit periodically.