Please assess the completion status of the following clinical trial:

Trial Title: Stannous Fluoride and Gingivitis

Study Design Characteristics:
- Allocation: NON_RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: SINGLE
- Phase: None
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Be 18 years of age or older;~* Provide written informed consent and receive a signed copy of consent;~* Agree to delay any elective dentistry, including dental prophylaxis, and to report any non-study dentistry received during the course of this study;~* Agree not to participate in any other oral care studies for the duration of this study;~* Agree to refrain from any form of non-specified oral hygiene during the treatment periods, including but not limited to the use of products such as floss or whitening products;~* Agree to return for all scheduled visits and follow study procedures;~* Have at least 16 natural teeth;~* Be in good general health, as determined by the Investigator/designee based on a review of the health history/update for participation in the study.~For Unhealthy Group:~* Have at least 20 bleeding sites (sites with a score of 1 or 2 on the Screening GBI exam); and~* Have a minimum of 3 sampling sites with bleeding and pocket depth \>/=3mm but not deeper than 4mm at the Screening visit.~For Healthy Group:~* Have a maximum of 3 bleeding sites (sites with a score of 1 or 2 on the Screening GBI exam); and~* No pockets deeper than 2mm.~Exclusion Criteria:~* Self-reported pregnancy or the intent to become pregnant anytime during the course of the study;~* Inability to comply with study procedures;~* Rampant caries, open or untreated caries, or advanced periodontitis requiring prompt treatment;~* Severe periodontal disease, including but not limited to purulent exudate, generalized mobility, and/or severe recession;~* Fixed orthodontic appliances or attachments for aligner treatment;~* Having had a dental prophylaxis within 2 weeks of plaque sampling visits;~* Having taken antibiotics or used anti-gingivitis/anti-bacterial oral care products such as chlorhexidine or Listerine within 2 weeks of plaque sampling visits;~* Needing an antibiotic prophylaxis prior to dental visits;~* Presenting with any disease or condition(s) that could be expected to interfere with examination procedures or the subject's safe completion of the study; or~* Having any condition or disease, as determined by the Investigator/Designee which could be expected to interfere with examination procedures or with the subject's safe completion of the study.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: t

Study Arms:
- Healthy Group (Type: ACTIVE_COMPARATOR): Subjects without gingivitis (\</= 3 bleeding sites) will use stannous fluoride toothpaste
- Unhealthy Group (Type: ACTIVE_COMPARATOR): Subjects with gingivitis (\>/= bleeding 20 sites) will use stannous fluoride toothpaste

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