Assertion: implant's rate | /r/CapableOf | lead researcher
Facets:
value: to recommend preserving natural teeth
type: PURPOSE
Source sentences:
text: In follow-up periods of at least 15 years, the rate of tooth loss was 3.6 to 13.4 percent in those with compromised teeth and 0 to 33 percent in those with dental implants, leading the researchers to recommend preserving natural teeth for as long as possible.