Regular Home-use of Dual-light Photodynamic Therapy in the Management of Chronic Stage III-IV Periodontitis

Inclusion Criteria:

• Periodontal disease stage III-IV, according to criteria the American Academy ofPeriodontology (AAP) with at least 3 mm interdental clinical attachment level (CAL)in the site of greatest loss.

• ≥ 18 years old

• Presence of ≥20 teeth, including implants

• Agreement to participate in the study and to sign a written consent form

• Able to co-operate with the treatment protocol and avoid any other oral hygienemeasures outside of the study protocol

Exclusion Criteria:

• Grade A or C periodontitis

• Presence of any physical limitation or restriction that might restrict Lumoral use

• Pregnancy or lactation

• Active smoking

• Medicated diabetes mellitus (DM)

• Any systemic disease (e.g., wound healing dysfunctions) that could alter theprogression of periodontal disease

• Use of antibiotics within 4 weeks week prior study

• Periodontal treatment within 3 months prior study

• Removable major prosthesis or major orthodontic appliance

• A need for a hopeless teeth extraction, or open cavities in need for immediateendodontic treatment