Lump on jaw, no dental pain. was the size of a pea but now a couple months later quarter sized. what could it be? also feel pressure in jaw now.

See a dentist: There are a few of potential causes for "Lump on jaw", and usually it is not a normal symptom. However, evaluation by an oral health professional dentist or an oral surgeon is warranted. See a dentist for examination and x-rays to determine a cause for your concern. Do not delay, call for appointment today.

Multiple diagnosis : You could be describing a dental abscess, an erupting tooth, depending on where on your jaw it could be a cyst...but the best advise I can give you is to see a dentist ASAP. A dentist most probably will be able to diagnose the problem and either start treatment or refer you to someone who can help. The longer you wait, the more serious it can potentially become! Seek professional assistance!

Many things: It can be anything from an abscess to a tumor. Regardless, see your dentist for a definitive diagnosis and treatment!

Exam needed: It is time to see a dentist or oral surgeon and have this swelling evaluated and find the cause. There are many things that can cause this and the only way to find out is by a physical examination. Even without pain this area is growing and needs treatment. Do not wait any longer.

A few things: Hard to say without exam. Some causes: lymph node, cyst, tumor. See oral surgeon for assessment/recommendations.