Waterpik vs floss: which is better?
Last updated September 3, 2026.
Both beat skipping interdental cleaning - and trials give water flossers a real edge on gum health. In a 4-week randomized trial (n=105), water flossing cut whole-mouth bleeding on probing by 0.41 versus 0.19 for string floss, with bigger plaque and inflammation gains too; Cochrane confirms any interdental device plus brushing beats brushing alone. The device you use daily wins: string for cheap and portable, water for braces, implants, bridges, and string-refusers. Pymander's escalation routing is built and tested specifically for this class of decision; see the safety architecture working paper.
What to do
- Match the device to your mouth: braces, implants, bridges, arthritis - water flosser; tight contacts and travel - string.
- Use it daily: frequency beats device choice, per the evidence.
- Brush first, clean between second: the device is an addition, not a replacement.
- Get seen if: bleeding continues past two weeks of daily cleaning - persistent bleeding needs a hygienist, not a better gadget.
Related questions
- What does it mean if my gums bleed?
- Why do I get bad breath even after brushing?
- What causes receding gums?
- Why do I grind my teeth in my sleep?