Assertion: tooth's ligament | /r/CapableOf | serve as structural support
Facets:
value: for the teeth
type: TRANSITIVE-OBJECT
Source sentences:
text: Because the periodontal ligament not only serves as structural support for the teeth, but also as a source for regenerating bone tissue, reversing destruction of these ligaments during gum loss is central to halting and repairing periodontal disease.