2/4/12

Tooth types and composition


 it built a solid presence in the mouths of vertebrates ends in human beings. And function of teeth is important cutting and crushing the food in the context of the chewing function is also involved teeth to vote (especially with the characters of periodontal) and social role in humans, it is an expression of a human smile for pleasure and happiness, while it may be a lethal weapon at some of the animals

Forms of teeth:

Incisor teethCanin
Premolars
Premolar or molar teethTissue components of the age:
Called the outer layer of the tooth crowns of the port and the outer layer is called the root of Blindfolded mortar
Middle class is called ivory
The inner layer: it is dental pulp
The port Sunni harder bone tissue in the human body, as are metal compounds about 96% of the installed and the rest is the words of some organic materials and Almeattabr hydroxy apatite [1], Hydroxylapatite is the essential ingredient of the port Sunni and has a chemical formula: 
Ivory is a mass of basic Age is characterized by yellowish-brown, turquoise, ivory, and the fabric is delicate, in the sense that the center-oral exposure may cause symptoms of the water varies in severity depending on the nature and severity of the alarm clock
Dental pulp, vascular or neural network of feeder cells generated ivory live dental pulp chamber so-called cores and reach blood vessels and nerve fibers to the cabin through the channels extend into the roots of teeth is called Balaguenih root root canals
There on the edge of the pulp chamber cells called cells generated ivory odontoblasts, assume some theories about the mechanism of sensation in the Sunni member that these cells, which owns Asttalat Phones called fiber toms tom's fibers are responsible for generating a sense Sunni heat and cold and other stimuli sensual, stretching Alasttalat mentioned near the Ivory Coast to meet with enamel Amelo-dentino junction

Mortar is a Sunni part of the device on the link to the Sunni age alveolar bone surrounding it, as the connective fibers within it Tnghamd called fiber drinkers coming from the surrounding bone. Assigned to a link on the Sunni important link closely Age bone surrounding a flexible position to occlusal damping due to the efforts for effectiveness embryonic age.

Primary teeth:

Begins Bzhuk first age of the structure in the mouth of the child within the limits of the sixth month, and may be associated emergence with a bit of pain to the child, often Alqatatan Antrzian Ambasslitan first two years Bazgtin, coming in groups of teeth Balbzoa to complete in the mouth at about two and a half, and Child has a total of twenty sons, not to be divided into four:-quarters of the jaw so that it contains each quarter break five teeth are
Qatatan
Tusk
Rahtan temporary structures
Is characterized by a total absence of teeth Milky premolars, Amaimkn to say that there are only a permanent Adwag It will take the place of primary molar teeth .. The permanent molars behind it will emerge after the availability of primary molar teeth where a result of growth in the mandibular sagittal direction.
Begin the first age and a permanent Balbzog is the first permanent molar in the lower age of six years, and may not notice the family to the emergence of this age, especially permanent it may precede the start of primary teeth loss.

Permanent teeth:
As mentioned earlier that the first age of a permanent Balbzog at the age of the sixth, and Tbzaa all permanent teeth until the age of twelve, except molars III - teeth mind - and which are delayed until the age of eighteen years, and may not emerge at all for some people to either a lack of growth and movement bud Sunni or for his absence at all. If the individual has of 32 older and contains every quarter of the jaw:
Qatotain - bend and quadruple -
Tusk
Dhagtan
Three molars
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Category teeth and gums Keywords: teeth, installation of teeth, tooth decay, teeth calendar
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3 of the comments in the "tooth types and installed"

    Unknown said:
    

    And have Zakrtk and spears Noahl me and eggs dripping from India Foddt dolls kissing swords because they are collected Kpariq Tgrk Almtbasmy
    Achariv Ahmed said:
    

    Set out to learn and Dhaava human teeth and because I read it and my mother Gdaanchaaallah teacher at the age of Bah and that did not read Mnandahashkra
    

   


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