https://www.deardoctor.com/articles/dental-implant-options/page3.php
https://www.aarp.org/health/healthy-living/info-2018/healthy-teeth-longer.html?CMP=KNC-DSO-COR-Dental-21458-GOOG-HEALTH-HealthyLiving-HealthyLiving-HealthyTeeth-Phrase-NonBrand&gclid=EAIaIQobChMIy5KeqPHW9AIVIgJMCh1FmA24EAMYASAAEgKhBPD_BwE&gclsrc=aw.ds
https://dentalsignal.com/oral-health-care-for-each-stage-of-life/