I HAVE HAD SWELLING UNDER TONGUE AND DRY MOUTH AND

I HAVE HAD SWELLING UNDER TONGUE AND DRY MOUTH AND GUMS SINCE HAVING 2 FRONT LOWER TEETH OUT 3 YEARS AGO THE DOCTOR SAYS IT IS CAUSED BY SINUSES AND SALIVARY GLANDS I HAVE HAD XRAY OF JAW BUT STILL EVERY DAY MY TONGUE FEELS TINGLY AND MY TEETH AND GUMS FEEL STIFF AND DRY . I DO HAVE DRY SINUSES .