Please assess the completion status of the following clinical trial:

Trial Title: Periodontal Infection and Endothelial Dysfunction

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: BASIC_SCIENCE
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Subjects must be 25 years of age or older~* Three or more periodontal pockets with a probing depth (PD) \> 5mm~* Have at least 20 natural teeth~* Provide informed consent and willingness to cooperate with the study protocol~Exclusion Criteria:~* History of antibiotic use in the previous three months~* Pregnant or lactating females~* Treatment with antihypertensive, antilipemic, antiarrhythmic, and other cardiovascular drugs~* Systemic diseases such as diabetes, HIV/AIDS, liver disease, chronic renal failure, tuberculosis, and autoimmune diseases~* Previous history of cardiovascular disease: Acute myocardial infarct, stable angina, unstable angina, heart failure, atrial fibrillation, atrioventricular block, peripheral vascular disease, cerebrovascular accident~* Patients who received periodontal treatment within the last 3 months~* Patients who require antibiotic prophylaxis before examination or treatment~* Patients with mental retardation and dementia

- Gender: ALL
- Minimum Age: 25 Years
- Maximum Age: None
- Healthy Volunteers: t

Study Arms:
- One-Stage Full-Mouth Disinfection (Type: EXPERIMENTAL): Scaling and root planing, four quadrants in one session Tongue brushing with a 1% chlorhexidine gel (1 minute) Mouth rinsing with a 0.2% chlorhexidine solution for (2 minutes) Subgingival chlorhexidine (1%) irrigation in all pockets Twice daily rinsing with clorhexidine (1 minute) during fourteen days after the periodontal intervention Basic oral hygiene instructions Dental extractions will be performed at the end of patient followup (only in cases of teeth that could not be saved)
- Periodontal care (Type: ACTIVE_COMPARATOR): Basic oral hygiene instructions Supragingival plaque removal

Based on this trial design, predict the completion outcome and termination type (if applicable).