There are many reasons why you may have a bump on the roof of your mouth. A long existing bump on the roof of the mouth may be an indication of oral cancer. A bump on the roof of the mouth that persists for a long time may be an indication of oral cancer. A bump on the roof of the mouth occurs since the mouth is one of the most complicated parts of the body and the hard palate does not make an exception from this. Lumps on mouth can be hard and small depending on what the underlying cause is. Causes of a bump on roof of mouth: Bumps on roof of mouth can be caused by many different reasons ranging from minor abnormalities in the mouth to lethal and deadly cancers of the mouth. Also attempting to eat too hot food or acidic food can burn the roof of the mouth … It can also spread to other areas like the sinuses, throat, and glands. It can vary in size, from hardly noticeable to very large. Therefore, this is something that can easily be handled and in many cases the bump will go away on its own. A mucocele, also known as a mucous cyst, is a clear or bluish bump that can be found on the lips, floor or roof of the mouth, tongue or salivary gland. The bumps due to ulcers can be very painful if they come in contact with food or tongue. Palatal tori are the most common bony growth on the roof of mouth occurring in close to 30 percent of the population. Bump on Roof of Mouth Behind Front Teeth. Common causes of swelling and pain may include sinusitis, gastroesophageal reflux disorder and chronic dry mouth. A Canker sore is referred to a small bump or a lesion on the soft tissue on the palate of the mouth. It is located in the middle of the hard palate and varies in size. While a bump on the roof of your mouth isn’t often cause for worry, it can be a symptom of a more serious condition. Having a bump on the roof of your mouth is not particularly uncommon.You have probably had them on your throat, lips, or tongue.There are a lot of different causes for a bump on the roof of your mouth. If You Have A Hard Bump On The Roof Of Your Mouth, You're Part Of A Small Percentage Of The Population Who Does I thought everyone had this! It is made of a bony part in front and a soft part behind. Pain on roof of mouth can be as a result of different condition. Let us explore all the possible causes of a bump on roof of mouth. Developing a bump on the roof of mouth is a problem that at least a large number of people have experienced. Such may appear as growths on the palate or upper part of your mouth and can feel hard and painful especially when just behind your front teeth. Apparently, this ~bump~ is called torus palatinus and it is harmless. Due to its location, a bump can be quite worrisome and may sometimes interfere with speech or swallowing. These types of bump occur very commonly. Bumps in the roof of mouth can be a symptom of some forms of sexually transmitted diseases (STDs) such as herpes and HIV AIDS.