1. Introduction and Direct Answer Yes, a sinus infection can absolutely cause a widespread, aching pain across all of your upper back teeth. This phenomenon, known as referred pain, occurs because the roots of the maxillary premolars and molars sit directly beneath, or sometimes physically protrude into, the floor of the maxillary sinus cavity. When … Read more
1. Introduction Yes, sinus congestion can frequently cause a severe, throbbing toothache due to the close anatomical proximity of the upper tooth roots to the maxillary sinus cavity. When the mucosal lining of the sinus becomes inflamed and the cavity fills with trapped fluid, the resulting physical pressure bears directly downward onto the superior alveolar … Read more
1. Introduction Upper tooth pain during a sinus infection occurs due to the close anatomical proximity of the maxillary sinus floor to the roots of the upper teeth. When the sinus lining becomes inflamed and filled with fluid, it places direct pressure on the superior alveolar nerves that supply sensation to these teeth. This mechanical … Read more