Inclusion Criteria:  Enrolled in the Verily's Project Project Baseline Health Study At least 18 years of age Able to speak and read English Has at least 16 teeth present. Able to consent, follow an outpatient protocol, and is available by telephone  Has either moderate (stage II) or severe (stage III) periodontitis:  Stage II - Interdental clinical attachment level (CAL) at the site of greatest loss = 3 to 4mm with maximum probing depth ≤ 5mm Stage III - Interdental CAL at the site of greatest loss ≥ 5mm, probing depth (PD)≥ 6mm, and radiographic bone loss (vertical bone loss ≥ 3mm)  Has a history of at least one of the following indications of cardiometabolic disease:  Type 2 diabetes: 9% ≥ HbA1c ≥ 6.5% OR medical history of Type 2 diabetes Prediabetes: 6.4% > HbA1c > 5.7% OR  Cardiovascular Disease (CVD):  A past coronary calcium score (CCS) of > 100 OR Medical history of Myocardial Infarction, Coronary Artery Disease or stroke Has a history of hsCRP level of > 1 mg/L Access to Apple (iOS) devices or Android devices with appropriate versions to be compatible with the applications to complete study procedures. Females of childbearing capacity must be willing to have pregnancy test  Exclusion Criteria:  Presenting oral manifestations of systemic diseases (e.g. pemphigus, pemphigoid, lupus) Presence of any acute or chronic systemic infection as determined by the clinician Periodontal treatment performed within 6 months prior to study start Refusal to extract hopeless teeth identified as determined by the clinician at the screening visit. Participating in any other Oral Health study