the cementum is a layer that allows the periodontal ligament attach itself to the root surface

A teeth cleaning appointment is also known as scaling. Every now and then every one of us would need a thorough scaling, because no matter how well we brush and floss and rinse, there will still be some minute debris left in our mouth between our teeth. These debris, after some period of time, will become hardened and these are known as calculus. There are two types of scaling – supragingival scaling, and subgingival scaling. Supragingival scaling is when the dentist only clears away the calculus that are above our gums, and can be seen in plain view. However, subgingival scaling is when the dentists cleans the calculus that are 1 – 2 mm below the gums. Sometimes, scaling is not sufficient for some patients with severe gum conditions, and root planning will be needed. Usually, root planning is needed when there is a gingival pocket more than 4 -5 mm, and there are tenacious calculus and necrotic cementum (refer to the picture to understand what is cementum) stuck to the roots of the teeth. Continue reading →