root ***
tooth root

Plaque can also develop on the tooth roots under the gum and cause breakdown of the bone supporting the tooth.

The anchor functions as the tooth root and is made from metals such as titanium.

The close proximity to the tooth roots mean that as the teeth erupt with age, the maxillary sinuses become larger.

This sensitivity can be caused by several factors, including wear, decaying teeth or exposed tooth roots.

Beneath the gum-line, a substance called cementum covers the tooth roots.

Anyone who wants some advice about what to avoid should bear this in mind: stay clear of decay below the tooth roots.

This is caused by exposure of the tooth root to decay-causing acids.

The tooth roots become exposed as gum tissue recedes from the tooth.

The mandible had held together well, the slender tooth roots still solidly encased in bone.

It must have hurt Joe's face to smile, but he did and all you could see was rows of brown tooth root.