How long does a bottle of OraMD Breath last? Heather October 11, 2018 20:15 Updated There are approximately 60 sprays per bottle. Related articles What is the shelf life of OraMD Breath? Is the OraMD Breath formula different from OraMD Original and OraMD Extra Strength? How do I use OraMD? How long does a bottle of OraMD last? How often should I change my Dr. Bass OraMD Toothbrush? Comments 0 comments Please sign in to leave a comment.