I just noticed a very small red dot on my upper gum, and my mouth seems very dry.  I take no medication.  I am 74 years old, weigh 184 pounds, am female.  I recently used a toothpaste to whiten teeth containing peroxide, and baking soda.  I have quit it and am using my regular Toms toothpaste
Hello, Thanks for consulting ChatDoctorRead your query, as you have small red dot on upper gum this can be due to peroxide containing paste caused inflamed gingival, or periodontal problem due to age related causing localized periodontitis in tooth. For this I will suggest you to consult dentist and go for examination of gingival and if it is due to periodontal problem then go for Scaling and root planning. Hope it will help you. Wishing you good health.