Please assess the completion status of the following clinical trial:

Trial Title: Catechin Mouth-washing for Removal of Intraoral Bacteria

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: SINGLE
- Phase: None
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* aged over 65 years~* detected oral pathogenic bacterium and revalidated during the wash-out period~* without antibacterial medicine, other mouth-washing remedies during the study~* Obtained written informed consent before participation~Exclusion Criteria:~* possessing some infectious diseases in need of therapy~* possessing tea or catechin allergy~* diagnosed as inadequate for other reasons to participate the study by principal investigator

- Gender: ALL
- Minimum Age: 65 Years
- Maximum Age: 95 Years
- Healthy Volunteers: f

Study Arms:
- catechin (Type: EXPERIMENTAL): mask containing catechins

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