Should Flossing Teeth or Brushing Teeth Come First?
Is flossing teeth or brushing teeth first the way to go? Find out why dental floss is important and when you should use it in your daily oral hygiene routine.
Resource Library
Start Reading
Gum Disease 101: Stages, Causes, Symptoms, and Treatments
Millions of Americans don’t know they have gum disease. Understand what causes gum disease, what warning signs to look for, and how to prevent and treat it.
What Seniors Need To Know About Tooth Loss and Gum Disease
Tooth loss doesn’t have to be an inevitable part of aging. Know more about gum disease so you and your dentist can work together to save your smile.
“Why Does Flossing My Teeth Matter?”
Flossing teeth is one of the most important things you can do to keep your smile and whole self healthy. Find out why, and how to floss your teeth effectively.
Defending Fluoride in Water in a Changing Environment
Although fluoride in water is under fire, it remains one of the safest, successful, and cost-effective public health interventions in the United States.
Your Oral Microbiome: What You Need To Know
Your oral microbiome is critical to your mouth and your body’s health. Discover what it is and how you and your dentist can keep it in proper balance.
These Holiday Oral Health Tips Make the Season & Your Smile Bright
Visions of sugarplums dancing in your head? These seven holiday oral health tips will help you enjoy festive food and drink while guarding your oral health.
Why Is Flossing Important?
Why is flossing important to your oral health? Get expert answers to questions about the importance of flossing and how to do it effectively and more easily.
Should You Be Scraping Your Tongue?
Does tongue scraping work? Discover the potential benefits and side effects of tongue scraping, and how to make it a safe part of your oral hygiene routine.
Why AI Won’t Replace your Dentist
“Will AI replace dentists?” No—but dental artificial intelligence is already producing more accurate diagnoses, more efficient care, and better patient outcomes.
© 2026 University of Pennsylvania