David Hahn DDS MS, INC

http://www.gotoapro.org/dry-mouth/

Sinus related toothache http://crest.com//tooth-p/the-causes-of-a-sinus-tooth-pain

Little more information about sinus. Hope this could be helpful. http://www.healthline.com//cold-/sinus-infection-symptoms

There has been number of patients seen in emergency for toothache. And they were surprised to find toothache was related to their sinus. More information regarding sinusitis referred tooth pain. http://www.mayoclinic.org//expert-a/toothache/faq-20058299