Can a osteoma, cause symptoms like intense pain. and aggravate the intracranial pressure ?

Various types: Osteoid osteomas are famously painful. There are new ways of treating them with focused energy. A common osteoma involving the skull may block the outlet to a nasal sinus and cause pain in this way. Don't forget that there are other possibilities. If you have increased intracranial pressure, be sure an explanation is found -- the mere concurrent presence of an osteoma proves little.