What is the relationship of smokeless tobacco and oral cancer?

Very high. Tobacco juice and smoke contains carcinogens that cause normal cells to change into cancer cells. There is a significant link between cancer of the lip, mouth, tongue and throat with the use of smokeless tobacco products. This link between smokeless tobacco and oral cancer is beyond question.
Causative . Smokeless tobacco causes oral cancer. Plain and simple. Not everyone who uses smokeless tobacco will get it but the likelyhood of someone using smokeless tobacco getting cancer is huge compared to someone who doesn't use it.

Related Questions

Is it possible to get oral cancer from smokeless tobacco?

Yes. Smokeless tobacco is an important cause of oral cancer. Alcohol is another. See this site for more info. http://www.cancer.gov/cancertopics/tobacco/smokeless-tobacco. Read more...
Absolutely ! More so than cigarettes. Add alcohol into the mix and you are a real candidate. Quit while you're ahead. Your jaw, face, and neck will be glad you did. Read more...

Can using smokeless tobacco definitely give you oral cancer?

Puts you at higher . Risk. Not all people who use tobacco get cancer, but users are at much higher risk for cancer. There is no redeeming value to using tobacco, so do not use tobacco in any form. Read more...
Smokeless tobacco . The number one cause of oral cancer is smoking. Smokeless tobacco carries a lower risk, but there are a number of cases reported every year. Smokeless tobacco, however, causes tooth and gum loss routinely. If you are trying to stop dipping, switch to the skoal bandits for a while. The are much less abrasive. Read more...

If I've been using smokeless tobacco for two years, how can I tell if I will get oral cancer?

High risk. Smokeless tobacco greatly increases your chances of oral cancer. If you drink alcohol with it, the risk is even greater. You will inevitably get some form of oral pathology if you continue to use smokeless tobacco. Please stop immediately. Read more...
You can't. My friend, that's like asking..."if i don't wear my seatbelt, when will i die in a car accident?" it might be tomorrow, it might be 10 years, it might never happen ....But is it really worth it? Come on....Quit the chew, and buckle-up too. Read more...

I did smokeless tobacco dip for 5 years. I quit in October 2012. Am I still likely to get oral cancer? I worry everyday since I quit.

Less of a chance... ... as time passes, but still possible. It is very important that you are seen every six months by your dentist for a professional cleaning and oral cancer screening. Read more...
Risk is cut in half. Those who quit in their 30s may avoid most of the risk due to smokeless tobacco use. The risk of oral cancer is cut in half after 3 years. Keep up a good job! Read more...