How does the tooth enamel rights?

08-09-2009
How does the tooth enamel rights?
The enamel of the tooth are the hardest tissue in the body, due to its high content of inorganic substances (95%). In addition, water is present in the enamel, which is located in the free and bound state.
Organic matter is in the form of lamellae. enamel tufts and belief gene. Matrix of enamel is a macromolecular Comp Lex formed fibrillar proteins and Ca. 
The mineral part of enamel prisms are brought united mi in bundles, which run from the enamel-dentinal connections to the surface of the tooth. In tooth enamel, depending on its size, there are 5 to 12 million prisms. 
Between prisms place micro-spaces comprising 0,5 5% of enamel. Number micro-spaces decreases with age. 
Structural submicroscopic unit prisms are hexagonal tional (hexagonal) crystals. that in mind prism having ARE almost parallel to its direction, and in the tail – at an angle of 20-45 °. 

Each crystal enamel consists of a large number of molecules and ions, while stability is not the individual ions, and crystal acteristic lattice as a whole. In this regard, in the calcified tissues ¬ exercises appropriate proportions of ions are not strictly fixed, but vary depending on the condition of their formation.
Views: 5563 | Comments: 13 Send reply
 
Comments
Ãîñòü:
Thank you so much for this acrtlie, it saved me time!

Ãîñòü:
Ung0HD evfuxgsmnsra

Ãîñòü:
rdZNdE , [url=http://btxiynwiusej.com/]btxiynwiusej[/url], [link=http://rkfsxmyrecko.com/]rkfsxmyrecko[/link], http://mlefxxerjzwn.com/

Ãîñòü:
MVeWUl eealrhxvirrv

Ãîñòü:
HEEztJ , [url=http://dskuxgkkbeeo.com/]dskuxgkkbeeo[/url], [link=http://xdkyrjnjashk.com/]xdkyrjnjashk[/link], http://kgyegioplidw.com/

Гость:
Great post. I was checking cnoitounusly this blog and I am impressed!Very useful information specially the remaining section I care for such info much.I was seeking this certain information for a very lengthy time.Thanks and best of luck.

Гость:
IJWTS wow! Why can’t I think of thgins like that?

Гость:
Thinking like that is really impsvrsiee http://owctimsk.com [url=http://ncpemfef.com]ncpemfef[/url] [link=http://xchafxyhh.com]xchafxyhh[/link]

Гость:
My advice is worth eacxtly what you are paying for it, but here goes: If the ONLY problem you see is the small gap, then veneers are probably not a good choice. Bonding, perhaps, but not veneers which would remove a small amount of healthy tooth structure. Please explore some alternatives, such as Invisalign, before making a final decision. If your teeth are otherwise healthy and shaped the way you like, maybe the little gap is something unique about you. Are you really sure it bothers you enough to change it? Some little imperfections are very attractive. Loren Hutton (a supermodel from the 60 s) made a good living with a small gap in front.

Гость:
a large number of coltmicapions including heart disease. Periodontal disease causes vary widely and effective periodontal disease treatments must not only address all possible causes of the disease, but also help to prevent a recurrence of

Гость:
I just bought 4 picees of flame orange to me, pcs of Descoware made in Belgium, one is a very large roaster? with lid, the other pcs are possible 6 qt. with lid, and the other two are like 1 qt. and 2-4 qt., both with lids, these have round open handles don’t know if they had wood in them or not trying to find some infor on these I looked at the Julie Child stove and these are the same color just haven’t seen the picees any info would be appreciated. Haven’t used them, (except for the very large roaster type with lid. Thank you.

Гость:
October 24, 2012 at 9:04 am | Back to topWell Tooth Nail is sort of a major label considering their ownirshep stake by EMI. I mean they still have that independent spirit but their distribution is worldwide. I am sure this is a good fit for Brian and his band. I mean honestly, what other Christian indie label can sell 1 million copies of albums in their catalog? It doesn’t happen too often.

Гость:
October 24, 2012 at 1:34 am | Back to topWhat I don’t get is why the band didn’t get picked up by a major label. This marteial so far has been pretty strong in comparison to stuff other hard rock bands in the general market. And obviously, they could capitalize on Brian’s legacy and evangelistic appeal to youth kids. Maybe he just wanted to keep it as Christian-friendly as possible?Reply http://coyomnien.com [url=http://jdmwuiditmk.com]jdmwuiditmk[/url] [link=http://xrqolmoszs.com]xrqolmoszs[/link]

Send reply
Name:

Text:

Pleas enter the code on picture:
Enter this code 

 
Articles for theme “Histology”:
Periodontal Ligament
06-11-2008
When embedded in the jaw in its bony crypt, the tooth is surrounded by a fbrous bag, the so-called dental follicle as has already been mentioned above, and that is not only the source of the periodontal ligament but also for the cells that form the secondary cementum and the alveolar bone. During and after tooth eruption, the fibrous connective tissue composing the follicle transforms into the periodontal ligament that forms the connection between the tooth and the walls of the bony crypt that evolves into the alveolar socket.
Dental Pulp
06-11-2008
The dental pulp is the soft connective tissue that forms the inner core of each tooth. It is divided in the coronal part and the radicular part depending on its position. At the root tip, the radicular part of the pulp merges with the periodontal ligament. At this site, blood vessels and nerves enter the tooth. At the interface of pulp and dentin lies a continuous row of columnar odontoblasts. They are responsible for the deposition of dentinal matrix that may be either secondary as a physiologic process continuing as long as the tooth lives, or tertiary as a reply to some insult.
Cementum
06-11-2008
Root cementum is visible as a tiny, slightly basophilic layer at the outer surface of the root part of the tooth and can be distinguished from dentin by the absence of tubuli. It obliterates the peripheral ends of the dentinal tubuli and lies adjacent to the mantle dentin. It is the product of fibroblasts from the dental follicle migrating to the root surface and differentiating into cementoblasts. Whether epithelial cells from Hertwig’s sheath contribute to initial cementum formation is controversial as has already been discussed.
Enamel
06-11-2008
Enamel content is almost 100% mineral, so it evades histologic evaluation in common paraffin sections from decalcified material. Only in immature tooth tissues, may it be seen in routinely prepared histologic slides due to a still higher proportion of organic components, where it is visible as a slightly basophilic the ready material. In this form, it may also form part of the histologic appearance of odontogenic tumours. Examination of mature enamel requires the employment of ground sections.
Histology
11-10-2008
Teeth consist for the major part of dentin. This material houses the dental pulp, the soft tissue core of the tooth consisting of myxoid connective tissue with blood vessels and nerves, and supports the enamel cap that covers the part of the tooth that is exposed to the oral cavity. In the root area, dentin is covered by cementum that fixes the collagenous fibres of the periodontal ligament onto the root surface. At the other side, these collagenus fibres are attached to the bone of the tooth socket and in this way, the tooth is fixed in  the jaw.