Plaque vs. tartar: what’s the difference?
Many people confuse the two, but understanding them is key to oral health. Plaque is a soft, sticky film of bacteria that forms daily, while tartar is hardened plaque that can only be removed by a dentist. In this article, we’ll explain how both develop, why they’re harmful, and how using smart electric toothbrushes like BrushO can help you control plaque before it becomes tartar.

Plaque is a colorless, sticky biofilm that constantly forms on teeth and along the gumline. Made up of bacteria, food particles, and saliva, plaque is soft enough to be removed by brushing and flossing. However, when ignored, it produces acids that:
Plaque is essentially the “first stage” of dental problems—manageable if treated daily.
Tartar (also called calculus) is hardened plaque that forms when plaque isn’t removed in time. Minerals in saliva cause it to solidify, usually within 24–72 hours. Once hardened, tartar is:
Unlike plaque, tartar cannot be brushed away at home. It requires professional cleaning by a dentist or hygienist.
Feature Plaque 🦠 Tartar 🪨
Texture Soft, sticky film Hard, rough buildup
Color Invisible or pale Yellow/brown, visible
Removal Brushing & flossing daily Only by dentist
Health Risk Cavities, gum irritation Gum disease, tooth loss
The best way to control tartar is by never letting plaque harden in the first place. Daily habits include:
The BrushO AI-Powered Toothbrush is designed to fight plaque before it turns into tartar:
By using BrushO consistently, you can stop plaque from becoming tartar—and avoid costly dental treatments.
So, plaque vs. tartar—what’s the difference?
Plaque is soft and removable with daily brushing, while tartar is hardened, damaging, and requires professional cleaning. The solution? Prevent plaque buildup with the right tools.
👉 With the BrushO AI-Powered Toothbrush, you can protect your teeth daily, stop plaque in its tracks, and keep your smile healthy and bright.
Aug 27
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