It is true that sinus infections (sinusitis) can cause toothaches. It is fairly common for sinus conditions to cause pain in the upper back teeth. A sinus cavity is a pair of empty spaces in the skull connected to the nasal cavity. Sinusitis causes inflammation of tissues in these spaces that can cause pain.
Perry heads up a dynamic marketing team that has help the leading orthodontic practices in the USA 10X their business for over a decade. He’s a tea connoisseur, avid reader, traveling and grower of exotic fruits in his permaculture food forest.