Water FlossersUpdated June 2026

Waterpik Complete Care WP-900

The Waterpik Complete Care WP-900 combines a water flosser with an electric toothbrush in one countertop unit. It's often marketed for comprehensive oral care routines, offering the convenience of two dental tools in a single device. The system typically includes multiple pressure settings and various tips for diffe…

Reviewed by
HealthRankings editors
Evidence
Limited
Overall score8.2/10Strong pick
Price
HSA / FSACheck with provider
EvidenceLimited
Quick take

What we loved& what to know.

Strengths

  • Two-in-one design saves counter space
  • Multiple pressure settings for customized cleaning
  • Includes various specialized tips and brush heads
  • Large water reservoir reduces refill frequency
  • Established brand with wide retail availability
  • Suitable for users wanting comprehensive oral care routine

Tradeoffs

  • Higher upfront cost than standalone units
  • Larger footprint than single-purpose devices
  • More components that may need replacement over time
  • Learning curve for optimal pressure settings
  • Requires regular maintenance of multiple parts
Real-world usage

Living with the Waterpik Complete Care WP-900.

Practical considerations for daily operation.

Daily routine

Designed to slot into a typical morning health-check routine without friction.

Learning curve

Plan a short learning curve to get a feel for the device's prompts and ideal positioning.

Maintenance

Routine wipe-downs and the occasional accessory swap are all this device needs.

Portability

Best kept on a counter or shelf at home; not engineered for daily commuting.

Manual / offline use

App access unlocks history and trend tracking, but on-device readouts cover daily use.

Hands-on notes

Deep dives.

Overview

The Waterpik Complete Care WP-900 is a combination unit that houses both a water flosser and electric toothbrush in one countertop system. This approach appeals to users seeking a streamlined oral care routine without multiple separate devices cluttering bathroom counters.

The unit typically features a shared base with separate controls for each function. Most models in this line include multiple pressure settings for the water flosser component and replaceable brush heads for the electric toothbrush portion.

Waterpik has positioned this as a premium option in their product lineup, targeting users who want comprehensive oral care tools from a single manufacturer. The design generally emphasizes ease of use while maintaining the core functionality of both dental tools.

Accuracy & usability

Water flossers like this model are often marketed for removing plaque and debris from between teeth and below the gumline where traditional floss may not reach easily. The multiple pressure settings typically allow users to start gently and increase intensity as they become comfortable with the sensation.

The electric toothbrush component usually offers standard oscillating or sonic cleaning action. Users generally need some practice time to coordinate the water pressure effectively and avoid splashing, particularly when first learning proper technique.

Most combination units include indicators for optimal usage timing and pressure levels. The learning curve is typically manageable for most users, though those with sensitive gums may need to start with lower pressure settings and gradually increase as tolerance develops.

Features & everyday use

The system typically includes multiple specialized tips for the water flosser, such as standard tips, orthodontic tips for braces, and periodontal tips for deeper cleaning. The electric toothbrush portion usually comes with different brush head options for various cleaning preferences.

Daily maintenance involves emptying and refilling the water reservoir, which is usually sized for multiple uses. The unit generally requires regular cleaning of both the water system and brush components to maintain optimal performance and hygiene.

Storage and organization features often include designated slots for tips and brush heads. The countertop design means the unit stays plugged in and ready for use, though it does require dedicated bathroom counter space and proximity to electrical outlets.

Value & who it suits

This combination approach typically costs more upfront than purchasing separate water flosser and electric toothbrush units, but may offer savings compared to buying premium versions of each device individually. The space-saving aspect adds value for users with limited bathroom counter space.

Replacement costs include both water flosser tips and electric toothbrush heads over time. The unit generally suits users who want comprehensive oral care tools from an established manufacturer and prefer having fewer separate devices to maintain.

The system works well for households where multiple family members can benefit from both functions, though sharing requires attention to hygiene practices. Users who prefer portable or travel-friendly options may find the countertop design less suitable for their needs.

How it stacks up

Water Flossers ranked.

The Waterpik Complete Care WP-900 alongside our top picks in water flossers.

RankDeviceScore
#1
Waterpik Aquarius WP-660
9.6/10Compare →
#2
Waterpik Cordless Advanced WP-560
9.2/10Compare →
#3
Oxiline Flosser Pro
9.0/10Compare →
#4
H2ofloss HF-9
8.6/10Compare →
#5
Panasonic EW-DJ10-A Portable
8.4/10Compare →
8.2/10
Strong pick
HealthRankings verdict

The bottom line

The Waterpik Complete Care WP-900 combines a water flosser with an electric toothbrush in one countertop unit. It's often marketed for comprehensive oral care routines, offering the convenience of two dental tools in a single device. The system typically includes multiple pressure settings and various tips for different cleaning needs.

How we test

HealthRankings buys, tests, and rates devices independently. Our scoring blends quantitative measurements (accuracy vs reference, sample-to-sample variability, fit testing) with everyday usability and cost. We disclose affiliate links and never accept paid placement in our rankings.

Medical disclaimer:Reviews are for general information only and are not medical advice. Always follow your clinician's guidance for diagnosing or treating health conditions. Read full disclaimer