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From: troll on 23 May 2008 08:36
In article
<3595c154-279e-4cf1-b141-0d492959f191(a)e10g2000prf.googlegroups.com>,
landers_love2000(a)yahoo.com wrote:

> If you have a tooth whose internal structures are damaged, you may
> benefit from root canal therapywhich is beneficial as of [URL=http://
> www.rajkrishnan.com/]Root Canal treatment[/URL]. Also called
> endodontics, root canal therapy can restore your tooth to its state of
> health by treating the damaged part of your tooth. You may experience
> symptoms ranging from occasional sensitivity to hot and cold foods, to
> constant throbbing or a dull ache, to pain on chewing. Your dentist
> can assess the extent of damage by a comprehensive dental examination.
> Your dentist takes a dental history, examines your teeth and gums, and
> x-rays your teeth to examine the underlying roots and bone.
>
> Your dentist will begin by asking if you have any symptoms such as
> throbbing, aching, or pain when you chew. You may be asked about
> previous dental work or injury to your teeth and any medical
> conditions you may have. After your history is taken, your dentist
> will examine your teeth - looking for cavities, assessing the
> condition of any fillings you already have, check to see if your teeth
> are sensitive to hot or cold, check for loose teeth, tap on your teeth
> to check for pain, and evaluate the condition of your gums.
>
> X-rays allow your dentist to see the inside of your teeth and the
> surrounding bone. With an x-ray, your dentist can detect any unhealthy
> changes in your teeth or bone, irrespective of whether they are
> causing any symptoms or not. Your tooth has two basic parts: the crown
> is the part you see above the gum, and the roots anchor your tooth to
> your jawbone. Inside the crown and roots is soft tissue (pulp) that
> helps keep your tooth nourished.
>
> Crown: An outer enamel layer and the dentin inside protect the tooth's
> underlying structures and prevent bacteria from entering the tooth.
>
> Root: the root canals house the pulp and extend to the underlying
> bone. The pulp helps nourish the tooth and is made up of tiny blood
> vessels and nerves. The blood vessels carry nutrients to the tooth,
> and the nerves give feeling to the tooth. The bone holds the tooth
> with the help of tiny ligaments attached to the roots. The pulp tissue
> enters and exits through openings at the root tips.

If the root nourishes the tooth, what happens when it is "canaled"
I've heard the tooth often "dies" after a R.C. and is lost.
How often does this happen?
and how much does a common R.C. cost??
--
If Evolution is out-lawed. Only the Out-laws will evolve.
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