Tooth and Mouth Problems

What should I do, i met with an accident and my tooth was broken and it is fixed, this happened 8 years back... Please suggest...

I have Vit D deficiency and white patches on skin, so i started Vit D (MGD3) tablets and Calcium tablets as per doctor's advice and prescription. Vit D tablet is to be taken every week and Calcium tablet on every alternate day. After 2-3 days I am getting horrible mouth ulcers. I changed tablets,company,doctor 3 times, but still mouth ulcers arises after starting these medicine. Plz help.

I had this bump with ulcer on the top in my mouth few inches away from my lip ... which was nearly recovered by reducing the pain but today suddenly realised there's one painless but watery bump raised exactly on the same place... am I worrying too much? Is it normal? When I searched Google it showed some horrifying things ... I am really scared... am I gonna be okay? Please help me with your valuable information...

I've an artifical tooth, it is being displaced. I got this artifical tooth back in 2008-09. Give me an idea about the estimated costing and how many sittings it is going to take.

My wife have swelling appearance below both jaws on neck but no pain. Montaux report shows infection, biopsy shows no sign of TB or Cancer, she have toothache problem since 8 months in the left side of jaws, the tooth filling is cracked, what could be the reason of swelling appearance? Pls advice...

After left 4 upper and right 4 upper teeth metal crowned , having sension on both side and feeling pain when bitting, except rice or soft food.

Hello, i had root canal treatment 6 years ago but was not successful,the doctor capped it,now i am having pain in the same tooth ,i want to know whether can another root be done to remove the remaining infection?

How much it will cost for root canal treatment  and cap or getting filled with some gum will make some relief

On my front teeth a white colour layer is formed . what should i do for it ? which is the best paste that would keep teeth strong and healthy

There is a hole in my gum at the back left corner.The inner cheek walls surround the area has become red and slimy.Its very painful.It has been 4 days now.