Please assess the completion status of the following clinical trial:

Trial Title: Antiplaque Effect of Essential Oils and 0.2% Chlorhexidine on an in Situ Model of Oral Biofilm Growth.

Study Design Characteristics:
- Allocation: None
- Intervention Model: CROSSOVER
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE4
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* Systemically healthy adults.~* Minimum of 24 permanent teeth.~* No gingivitis (Community Periodontal Index score = 0).~* No periodontitis (Community Periodontal Index score = 0).~* Absence of untreated caries.~Exclusion Criteria:~* Smoker or former smoker.~* Presence of dental prostheses.~* Presence of orthodontic devices.~* Antibiotic treatment or routine use of oral antiseptics in the previous 3 months.~* Presence of any systemic disease that could alter the production or composition of saliva.

- Gender: ALL
- Minimum Age: 20 Years
- Maximum Age: 45 Years
- Healthy Volunteers: t

Study Arms:
- Essential oils/0.2% chlorhexidine/Sterile water (Type: EXPERIMENTAL): A) 20 ml rinses for 30 seconds with essential oils/2 times daily (1/0/1). -----14 days----- B) 10 mL rinses for 30 seconds with 0.2% chlorhexidine/2 times daily (1/0/1). -----14 days----- C) 20 mL rinses for 30 seconds with sterile water (1/0/1).

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