"Gum recession" refers to the gradual shrinking or pulling back of the gums, exposing more of the tooth or tooth roots.
Sentences with «gum recession»
If there is a severe degree of gum recession exposing the tooth root then the tooth may need to be extracted. (icatcare.org)
The accumulation of tartar along the gum line can and often does result in gum recession which leads to periodontal disease and eventual tooth loss. (expertbeacon.com)
Sometimes gum recession can be seen at this stage. (icatcare.org)