FAQ - Dentin, Secondary
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My dentin is exposed bec new dentist polished the back of my two front teeth. Can I re grow my enamel back?

She only filled the eposed dentin but i'm not comfortable with it. it bothers me a lot and it still aches. what will i do? will this heal?

what i can say, enamel is not a vital part of teeth. it will not grow back if the structure loss due to caries/fracture/iotrogenic cause.. if the loss very minimal, it can be remineralized by toothpaste(fluoride content inside toothpaste do the action). what u can do now, meet your dentist and explain your problem im sure he will understand.. Good Luck :)  (+ info)

Is there a procedure to cover up the exposed dentin on my teeth?

FYI: I would prefer that a dentist answers this question. I used to brush too hard and the enamel has been wearing away gradually near my gums on 5 and 11. Just recently, the exposed dentin has become seemingly more sensitive (it hurts to barely touch it with my toothbrush). Isn't there a procedure where the dentist can take tissue from the roof of my mouth and use it to cover up the exposed dentin?

A better solution than a graft procedure would be to bond a composite filling over the exposed dentin. Erosion at the gumline due to abrasion is very common and the cheapest and simplest way to take care of that is do a direct bond procedure.

BTW, using an electric toothbrush will prevent excessive wear on your teeth. Most people brush too hard, incorrectly, and worse of all, sideways at the gumline. Brushing like that literally saws the teeth off and creates notches at the gumline. It is also a very hard habit to break. The problem with brushing correctly is that you don't get that "fresh and tingling sensation" afterwards and this makes people brush harder to get it. Of course when they do, they go overboard and this results in exceesive wearibg away of the teeth.

The only time the surgical procedure you described is done is in periodontics when the tissue is denuded over half the length of the tooth.  (+ info)

is Dentin really white? and What can I do to make it less sensitive?

I just went to the dentist for fillings and I find that there is a small part that is alot whiter and much more sensitive than the rest of the tooth. I looked it up and it seems like its the dentin but im not sure.

Dentin is a yellowish gold color, not white, and is normally covered over by enamel. Tooth colored fillings are known to cause sensitivity and many times will slowly go away on its own.  (+ info)

How can you stain the dentin back in on a bleached out deer jaw bone?

I am taking a Wildlife Biology class and our instructor has some jaw bones that were bleached. This bleached everything out...this makes aging more difficult as you cannot see the change in color, so to speak.
Does anyone know of a way to put the color back in? Basically staining the dentin so we can see it?

Well, I'm not sure, but dentin is porous, whereas enamel is not. You should be able to add a food dye to the teeth, let it soak a bit, then rinse. It should come off of the enamel, but stay on the dentin to some extent. I would use orange, since that would give better contrast.
If you have access to a collagen dye, then you may be able to use that. The enamel is all mineral matrix and the dentin contains collagen. The bleach will have denatured the collagen a bit, so it might stick better.
Hope this helps  (+ info)

Dentin - remineralizing pastes claim they can harden it but how do they get to it through the enamel?

Can these toothpastes with ACP, novaMin and others penetrate the entire enamel and then move into the dentin? Even toothpastes for sensitive teeth say they block dentin tubules, but how do they get through the enamel - the body's hardest substance?

The dentin tubules are on the root of the tooth, not the crown, where the enamel is located. If you are having sensitivity due to root exposure, then your dentinal tubules have been exposed. These toothpastes "plug up" the tublules, preventing sensitivity.
If there is an opening in the enamel, that is most likely decay, and would need to be treated professionally.  (+ info)

What are the chances of secondary polycythemia turning into Lukemia?

My dad has been diagnosed with secondary polycythemia. He quit smoking they day he was told what he had (it's been 3 days). He's also drinking a lot of water and avoiding hot tubs (he used to go everyday). He's not drinking pepsi anymore either.

my dad got this when he was 55 and lived to be 81. He died of a stroke. As long as your dad gets his hgb/hgt checked regulary he will be fine.. Dont worry its not that bad ..I am a nurse and have taken care of people in their 90s with it..  (+ info)

At what point do I add priming sugar to my secondary fermenter and avoid potential oxygen exposure?

I have read lots on when to rack to a secondary but I am planning on adding the priming sugar to the secondary just prior to bottling. If I do this will i risk oxygen exposure? Could I add CO2 when adding the priming sugar, wait till it dissolves and then bottle immediately?

First boil 3/4 cup of the priming sugar in 1 pint of water. Add this to your bottling bucket. Transfer your beer from the secondary into the bottling bucket. Problem solved.

Make sure you always dissolve and boil it. Priming sugar in its current state is non-fermentable and will not carbonate your beer. I don't mess with the CO2 tabs and I don't know anybody that does... That's cheating if you ask me.  (+ info)

Why is secondary liver cancer from the colon so hard to treat?

My friend's Dad has received bad news about liver cancer and she's having a hard time processing the information.

I've looked on google but I cannot find something that simply explains why liver cancer (secondary) is so hard to treat.

Her Dad has two small spots on his liver and feels good but there are no treatments for him left. His CEA is very high (100+). She's struggling with understanding why two small spots cannot be treated. Anyone have an articles online that explains it?

He does not have "liver cancer" but metatstatic (Stage IV) colon cancer. The spots in the liver are colon cancer cells, not liver cancer cells. Yes it seems trivial, why not just operate and take them out, but many years of experience has shown us that this treatment is futile. The patient is put at risk during the operation and his life will not be lengthened at all by removing the two spots. The two spots you see on the imaging are only the tip of an iceberg; there are many more cancer cells growing and spreading, and we can not operate to remove them all.
Your friend's father will almost certainly die of colon cancer, but no one knows when. There are some very effective treatments for Stage IV colon cancer that can let him live a productive and happy life for a few years. My advice is to get the very best care he can and to live every moment he has left as well as he can. You can play a part in this too, help your friend through this, tell her to cherish every moment she still has with him. Take trips, throw parties, bake cakes, celebrate his life, and live! Good luck to you all.  (+ info)

What were your experiences of getting your child into secondary school this term?

Did your child get the school of your choice, or did you get second choice etc? I'm due to make applications for secondary school this year for my son and I've heard all sorts of stories about children not getting their first choice school etc. I'm in the UK.

Thanks xx

My son's that age too, but he's at private school so it's a question of passing the exams.

The one thing I would say, having heard horror stories, is to use ALL your choices. Only putting one choice down does not make it more likely you'll get it, it just means if you don't get it you go right to the bottom of the pile for all the other local schools and may end up miles away. Most of the really ghastly "they gave her a school the other side of the county" stories I've heard, the parents thought if they said "we demand this school, we have no other choices" it meant they'd get it. It doesn't.  (+ info)

How long do the secondary molars take to come through?

My little boy is 25 months and has just started teething with his last lot of teeth called secondary molars I believe how long do they take to come through? He is in a lot of pain when eating and last night he woke up 4 times which is very unusual and he also slept during the day again very unusual. Any tips anyone?

I'll be watching with interest. My 24 month old daughter has started cutting her two year molars, too. It seems like she takes weeks and weeks to cut a molar and it's a very off-again / on-again process.  (+ info)

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