Please assess the completion status of the following clinical trial:

Trial Title: Evaluation of a Test Mouthwash and Dentifrice Regimen in an In-situ Model of Dental Erosion

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: CROSSOVER
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: SINGLE
- Phase: PHASE2
- Number of Arms: 5.0

Eligibility Criteria:
Inclusion Criteria:~* An intact maxillary dental arch suitable for the retention of the palatal appliance and an intact mandibular dental arch - subjects may have fixed bridges replacing missing teeth~* No current active caries or periodontal disease that may compromise the study or the health of the subjects~* A gum base stimulated whole saliva flow rate greater than or equal to 0.8 mL/minute and an unstimulated whole saliva flow rate greater than or equal to 0.2 mL/minute~Exclusion Criteria:~* Known or suspected intolerance or hypersensitivity to the study materials (or closely related compounds) or any of their stated ingredients

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 65 Years
- Healthy Volunteers: t

Study Arms:
- Test Dentifrice + Test Mouth Rinse (MR) (Type: EXPERIMENTAL): Test fluoride dentifrice and test fluoride MR
- Test Dentifrice + Sterile Water Rinse (Type: EXPERIMENTAL): Test fluoride dentifrice and sterile water rinse
- Placebo Dentifrice + Test MR (Type: EXPERIMENTAL): Placebo dentifrice and test fluoride rinse
- Reference Dentifrice + Sterile Water Rinse (Type: ACTIVE_COMPARATOR): Marketed fluoride dentifrice with sterile water rinse
- Placebo Dentifrice + Sterile Water Rinse (Type: PLACEBO_COMPARATOR): Placebo dentifrice and sterile water rinse

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