# Tartar Notes > Tartar is hardened plaque that only a professional can remove. Why it forms and how to slow it. ## Guides - [How Plaque Hardens Into Tartar](https://what-causes-tartar-buildup.pages.dev/plaque-hardens-into-tartar/): Plaque hardens into tartar when the soft bacterial film is left on the teeth long enough to absorb minerals from saliva and set. - [Where Tartar Forms Most Often](https://what-causes-tartar-buildup.pages.dev/tartar-hotspots-lower-front/): The tartar hotspots lower front teeth are the surfaces behind them, on the tongue side, where saliva ducts sit close by and brushing is easy to rush. - [Do Tartar Control Pastes Work?](https://what-causes-tartar-buildup.pages.dev/tartar-control-toothpaste/): Tartar control toothpaste is generally formulated to help limit new deposits from building up, but it does not dissolve tartar that has already hardened. - [Why Scraping Tartar at Home Is Risky](https://what-causes-tartar-buildup.pages.dev/diy-tartar-removal-danger/): Scraping at hardened deposits with a metal pick, pin or similar tool can scratch enamel and injure the gums, which is why diy tartar removal danger is a real. - [Professional Scaling Explained](https://what-causes-tartar-buildup.pages.dev/professional-scaling-tartar/): Professional scaling is the removal of hardened deposits from the teeth by a dental team using hand instruments or an ultrasonic tip. ## About - [About Tartar Notes](https://what-causes-tartar-buildup.pages.dev/about/): not medical advice, how the site is funded and how guides are made ## Optional - [RSS feed](https://what-causes-tartar-buildup.pages.dev/feed.xml)