Treatment of Periodontitis With Er:YAG Laser

Inclusion Criteria: * Signed and dated Informed Consent * Good general health * Participants \> 18 years of age * Participants with \> 20 teeth with 5 teeth, including at least 1 molar, in each quadrant of the mouth * Participants with \> 30% of the present teeth with Probing depths of \> 4mm and Bleeding on Probing * Non-smoker and former smokers (stopped smoking \> 1 year) * Participants that have not received any periodontal treatment in the past 3 months Exclusion Criteria: * Participants with uncontrolled systemic diseases that could affect the treatment outcome such as Diabetes with HbA1c \> 7.0 percent, rheumatoid arthritis, immunosuppression, HIV with detectable viral loads * Participants requiring antibiotic prophylaxis for any cardiovascular conditions or after any transplant and/or replacement procedures * Pregnant women * Patients treated with systemic antibiotic therapy of periodontal/mechanical/local delivery therapy within 6 weeks prior to study entry and throughout the study duration * Patients being chronically (two weeks or more) treated with any NSAIDs, steroids or any medications known to affect soft tissue condition (excluding treatment with Acetylsalicylic acid \< 100 mg/day) * Presence of orthodontic appliances, or any removable appliances that impinges on the tissues being assessed. * Presence of soft or hard tissue tumors of the oral cavity * The presence of any medical or psychiatric condition or any other condition that, in the opinion of the Inv…