Please assess the completion status of the following clinical trial:

Trial Title: Non-invasive Treatment of Root Caries in Older Adults

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: PHASE1/PHASE2
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* 60 + years old~* community-dwelling~* living in a community with fluoridated water~* had five or more of their own teeth~* with ≥ 1 root caries lesion~Exclusion Criteria:~* cognitive impairment~* alcoholism

- Gender: ALL
- Minimum Age: 60 Years
- Maximum Age: None
- Healthy Volunteers: t

Study Arms:
- High Fluoride Toothpaste (Type: EXPERIMENTAL): 5,000 ppm fluoridated toothpaste, high concentration. Self-administered fluoridated dentifrices. By the elderly subjects, twice per day Drug (including placebo)
- Standard Fluoride Toothpaste (Type: ACTIVE_COMPARATOR): 1,450 ppm fluoridated toothpaste, low concentration. Self-administered fluoridated dentifrices. By the elderly subjects, twice per day Drug (including placebo)

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