The Oral B Pro 100 CrossAction Battery Powered Toothbrush Black is designed to help you remove more plaque and reach between teeth for a healthier smile. This powered brush uses a round head and angled bristles to give you a tooth-by-teeth clean, with performance powered by two AA batteries included in the box. It’s a option for anyone upgrading from a manual toothbrush who wants consistent power and ease of use.
Key benefits
- CrossAction brush head delivers a round, tooth-by-tooth clean for deeper plaque removal.
- Battery-powered design provides consistent performance with two AA batteries included.
- Compatible with multiple Oral-B brush heads including CrossAction, Sensitive Gum Care, FlossAction, 3D White.
- Designed to support healthier gums through effective cleaning, compared to a regular manual toothbrush.
- Simple maintenance: replace brush head every 3 months to sustain optimal cleaning performance.
Ingredients / components
- Power source — Two AA (LR6) batteries provide dependable, ready-to-use brushing sessions; replacement is when batteries deplete.
- Brush head compatibility — CrossAction, Sensitive Gum Care, FlossAction, 3D White heads work with the Pro 100 platform to tailor your brushing experience.
- Brand reliability — Oral-B is positioned as a leading toothbrush brand worldwide with broad compatibility and widely available replacement heads.
Usage tips and suitability
- In the box, you’ll find 2 AA batteries and the Pro 100 CrossAction model ready to use out of the gate.
- To change batteries, open the lid as shown in the picture, clean the area and the rubber ring underneath the cover, and insert two 1.5 V AA batteries following the marked polarity.
- Replace the brush head every 3 months to maintain effective cleaning.
Storage and care: keep the toothbrush dry when not in use and store in a clean area. This model is intended for everyday personal use and works best when paired with compatible Oral-B brush heads for varied cleaning profiles.
How to use the Oral B Pro 100 CrossAction Battery Powered Toothbrush Black
A straightforward brushing routine using the battery-powered model with compatible Oral-B heads.
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Prepare the device
Unpack the toothbrush, confirm the two AA batteries are present, and attach a compatible brush head if not already installed.
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Power up and begin brushing
Open your mouth, place the brush head against teeth at a 45-degree angle toward the gumline, and turn on the device to begin brushing.
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Brush with purpose
Gently move the brush in short, sweeping strokes to cover all surfaces. Focus on reaching between teeth for a thorough clean.
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Post-brushing care
Rinse the brush head after brushing and replace it every 3 months for optimal performance. If you need to change batteries, follow the lid-opening steps described earlier.
Frequently Asked Questions
What is included in the box?
The box includes the Oral B Pro 100 CrossAction Battery Powered Toothbrush Black and two AA batteries. It is compatible with additional Oral-B brush heads such as CrossAction, Sensitive Gum Care, FlossAction, and 3D White.
How do I replace the batteries?
If you need to change the batteries, open the lid as shown in the picture. Clean the area and the rubber ring underneath the cover. Insert two 1.5 V type AA (LR6) batteries following the marked polarity.
How often should I replace the brush head?
Replace the brush head every 3 months to maintain effective cleaning and plaque removal.
Is this suitable for people with sensitive gums?
This model is compatible with Sensitive Gum Care brush heads from Oral-B, which are designed to be gentler on gums while still providing effective cleaning.
What makes this product different from a manual toothbrush?
The Pro 100 CrossAction model delivers a tooth-by-tooth clean with a round brush head and angled bristles, aiming to remove more plaque than a regular manual toothbrush.













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