Dr. Satya Narayana

Yes it could be a sign of mouth cancer if the ulcer has not healed for atleast 14 days but the correct diagnosis can be made only by conducting an oral biopsy in this region by a dentist.

Chewing a sugarless gum after your meal for around 20 minutes freshens your breath and also make the leftover food particles cling to it.

Could you upload some pictures? A consultation is required in your case without which it is impossible to say what the condition is.

Right now, apply clenora gel on the ulcers twice daily after meals, then see a dentist to know the reason of ulcers like sharp edges of teeth etc.

Electric toothbrushes are more effective at removing plaque. Those with heads that
rotate in both directions and pulsate are the most effective.
They are particularly useful for people with limited movement, such as disabled or elderly people, who often find that using a manual toothbrush does not allow them to clean thoroughly.

teeth sensitivity is a result of loss of outer most layer(enamel) of teeth..that can be due to : - Tooth grinding - Acidic beverages (such as soda) that cause enamel erosion and dentin exposure. - Brushing with a very abrasive toothpaste, brushing incorrectly and/or brushing more than three times a day could result in a loss of enamel. - A chipped or fractured tooth may expose the dentin.  here are few steps to avoid sensitivity of teeth: - Practice good oral hygiene. - Use a sensitivity toothpaste like Sensodyne. - Don't brush too hard. - Use a softer toothbrush. - Take care while consuming acidic foods. - Use fluoridated dental products. - Avoid grinding your teeth. - See your dentist regularly for professional tooth cleaning, dental care recommendations and advice on treating your sensitive teeth.

An intraoral periapical x ray for the crown that pains,temporary relief by taking KETOROL DT,brush properly twice daily and visit your dentist

Yes tartar should be removed periodically to prevent gum diseases go for professional teeth cleaning and polishing.

Brother the natural colour of teeth is not white , don't get carried away with advertisement if u are fair in colour ur tooth has to be little yellowish no toothpaste can make teeth stronger as is made of enamel which cant be regenerated but toothpaste work in specific time without knowing what kind of specific need your tooth demand i can't suggest anything although a fluoride based toothpaste is good for normal healthy tooth fluoride toothpaste are like colgate , pepsodent , etc

True Tulsi leaves should not be chewed .Soak tulsi leaves in water or tea and take the drink after removing them

QUICK FACTS ABOUT ROOT CANAL TREATMENT
You may need RCT if you have:
1. Pain and throbbing while eating
2. Pain when eating/drinking hot or cold foods
3. Deep cavity which has been ignored for a long time
4. Injury to the face/ jaw in accident cases
5. Colour change/ darkening of the tooth
6. Pus discharge / swelling in the nearby gum

It may be teeth sensitivity... Or the caries may have progressed. Better consult with details so that we can select a better medicine... You may take Heklalava 30 TDs for 2 days...

You have a estheic problem of denture which usually can be solved, get a consultation of a prosthodontist (speacialist of dentures). Though without looking at the case its diificult but your problem seems to have a solution. I am a prosthodontist, you may consult me privately to discuss solutions.

You need to immediately visit dentist and get it checked. For temporary relief of pain take analgesic that best suits you.

I think you may require cleaning, kindly consult near by dentist soon, make sure you clean your tongue while brushing, brush twice a day, consume water frequently, include fresh fruits and vegetables in your diet, rinse your moth with water each and every time after you eat.

It is good to have more saliva. Still it can be reduced little by not taking more of water in evening. Few medicines are available which causes reduced aaliva flow but nit advised for regular use.

It seems that you have developed submucous fibrosis. Kindly get biopsy of the affected area done and revert.

Gum diseases can be treated and reversed in their initial stages very easily. By getting the accumulated tartar and plaque removed by a dentist, there is a chance that they can get better without much ado. 

U may take a cap of BNC daily, suck on tab bifilac twice daily, local application of metrogyl gel, drink plenty of water, add fibre to ur diet banana , vegetables r rich in that, take two table spoon of isabagol husk at night. Hurry n worry increase this problem avoid that , ladies may have this problem more during periods When in pain u may not b able to brush well