If there’s one thing we hear at almost every teeth cleaning appointment at our office on 509 Olive Way, it’s some variation of “I know, I know, I need to floss more.” Seattle patients are generally health-conscious people: they hike Tiger Mountain, bike the Burke-Gilman Trail, and obsess over their morning coffee ritual. But flossing? That’s the habit that keeps slipping.
The good news is that the conversation around flossing has become more interesting. Water flossers have become genuinely popular over the past few years, and patients frequently ask our team, Dr. Robert E. Johnson, Dr. Tracy Tran, and Dr. Bobby Johnson III, whether they’re a real replacement for string floss or just a high-tech way to feel like you’re doing something without actually doing it.
The honest answer is nuanced, and we’re going to break it all down here. But if you want the short version first: the best flossing method is the one you’ll actually do consistently.
Why Flossing Matters More Than You Might Think
Your toothbrush, no matter how good it is, manual or electric, cleans only about 60% of each tooth’s surface. The other 40% sits in the tight spaces between teeth and just below the gumline, where plaque accumulates undisturbed unless you actively disrupt it.
Left alone, that plaque hardens into tartar within 24 to 48 hours. Tartar can’t be removed by brushing or flossing; only a professional cleaning can take it off. And when tartar builds up along the gumline, the gums respond with inflammation: that’s gingivitis. Ignored further, gingivitis progresses to periodontitis, which destroys the bone and connective tissue that hold your teeth in place.
We bring this up not to alarm you but because it’s genuinely preventable. Patients who floss consistently have measurably healthier gum tissue, shallower pocket depths at probing, and less bone loss over time. We see this in our data every day in our DIAGNOdent laser scans and periodontal measurements. The difference between a patient who flosses and one who doesn’t is visible the moment we start a hygiene appointment.
Traditional String Floss: The Gold Standard (For Good Reason)
String floss has been the clinical standard for interdental cleaning for decades, and that’s not just inertia. There are real mechanical reasons it works so well.
When you wrap floss around a tooth in a C-shape and slide it up and down the surface, including just a millimeter or two below the gumline, you’re physically scraping biofilm off the tooth. The contact between the floss fiber and the tooth surface disrupts the bacterial colony in a way that water pressure alone often can’t match.
How to do it correctly (this matters more than most people realize):
Pull off about 18 inches and wind most of it around one middle finger, leaving a fresh inch or two to work with. Hold it taut between thumbs and index fingers and ease it between teeth using a gentle zigzag motion; don’t snap it in, which can cut the gum tissue. Once it’s through, curve it into a C against one tooth and slide it up and down below the gumline, then repeat on the adjacent tooth. Move to a clean section of floss for each space.
The technique sounds simple, but the gumline dip is where most people miss. If you’re just running the floss between teeth without curving below the gum, you’re catching about half the plaque you could be.
Where traditional floss excels:
It’s cheap, portable, and requires no charging or setup. A single container costs a few dollars and lasts months. You can tuck it in a pocket or bag and floss at your desk after lunch, something that’s genuinely difficult with a water flosser. For patients with tight contacts between teeth, string floss often does a better job of physically squeezing through and scraping the surfaces.
Where it falls short:
Dexterity is a real barrier. Patients with arthritis, limited hand mobility, or very small mouth openings sometimes find traditional flossing painful or nearly impossible to execute correctly. It can also cause bleeding if done aggressively or if gums are already inflamed, which, counterintuitively, is usually a sign you should be flossing more, not less. And for anyone with braces, bridges, or implants, threading floss under wires or through appliances is tedious enough that people simply stop doing it.
Water Flossers: A Serious Tool, Not a Gimmick
When water flossers first became consumer products, a lot of dental professionals were skeptical. The research has caught up, and the conclusion is more favorable than many expected: for the right patients and situations, water flossers are genuinely effective.
The device works by directing a pressurized pulsating stream of water between teeth and along the gumline. The mechanical flushing action removes food debris and disrupts plaque, not as thoroughly as string floss against the tooth surface in all cases, but effectively enough that studies have shown meaningful reductions in gingivitis and bleeding with consistent use.
Where water flossers genuinely shine:
Patients with braces, permanent retainers, bridges, or dental implants find water flossers transformative. Threading string floss around these appliances can take five minutes and still miss spots; a water flosser can irrigate the entire area in 60 seconds. We frequently recommend them to our patients undergoing Invisalign or ClearCorrect treatment at our office as well; the water flosser makes maintaining clean trays and gumlines much more manageable day-to-day.
They’re also excellent for patients with periodontal pockets. The tip can be angled to direct water into deeper pockets in a way that string floss physically cannot reach. If you’ve had periodontal treatment or have been told by our team that you have elevated pocket depths, a water flosser is worth the investment.
And for anyone who just doesn’t floss at all because they hate the process, if a water flosser is the thing that gets you flossing every day, that’s a meaningful win. A less-than-perfect method done consistently beats a perfect method done never.
The honest limitations:
Water flossers don’t replace the tactile scraping action of string against tooth. Several studies suggest they’re roughly equivalent to string floss in reducing gingivitis but somewhat less effective at removing interproximal plaque in patients without special appliances. They require charging, refilling with water, and making a bit of a mess in the bathroom. Countertop models need counter space, a real consideration in many Seattle apartments, and even the cordless versions need recharging.
What We Actually Recommend at Aesthetic Dental Associates
Rather than declaring a winner, here’s the framework we give our patients:
- If you’re a consistent traditional flosser with no special appliances and no dexterity issues: keep doing it. You’re already winning. Consider adding a water flosser for a deeper clean on days when you have more time, but don’t feel obligated.
- If you have braces, a bridge, an implant, or a retainer: get a water flosser and use it as your primary interdental tool. Supplement with floss threaders for thorough cleaning a few times a week, but the water flosser will do the heavy lifting.
- If you “never floss” or floss irregularly because you hate it: start with a water flosser. Lower the barrier to entry. Once you’ve built the habit and can see (and feel) the difference in your gum health, many patients naturally become more motivated to add string floss back in for thorough cleaning.
- If you have a gum disease history or deep pockets: talk to our hygienists at your next appointment. We may recommend a specific water flosser tip, a particular pressure setting, or a combination approach tailored to your periodontal situation.
A Word About Coffee and Your Flossing Routine
We’re in Seattle. We know the coffee isn’t going away. And while we’re not here to take that from you, it’s worth knowing that coffee promotes the kind of surface biofilm that makes consistent flossing even more important. The tannins in coffee and tea create a stickier environment for plaque to adhere to, and that’s exactly what daily flossing disrupts.
If you’re a multi-cup-a-day Seattle coffee drinker, flossing before bed is especially valuable. You’re clearing the day’s accumulation before it has 8+ hours to harden overnight.
Schedule Your Next Cleaning with Our Downtown Seattle Team
No matter which method you choose, nothing replaces a professional cleaning to remove the tartar that builds up even for committed flossers. At Aesthetic Dental Associates, our hygienists will assess your gum health, show you any areas you’re consistently missing, and help you build a routine that works for your actual life — not just the ideal version of it.
We’ve been doing this in downtown Seattle since 1983. Our office is at 509 Olive Way, Suite 1149, in the Medical Dental Building, directly across from Westlake Center Station on the light rail. We’re open Monday through Thursday, 7 a.m. to 5 p.m., with that early start time designed specifically for patients who want to get in before their workday begins.
Call us at (206) 682-3888 to schedule a cleaning or ask our team any questions about your home care routine. With over 300 five-star reviews and recognition as a Seattle Met Top Dentist in 2024, we’re here to help you keep your smile in great shape for the long haul.