Please assess the completion status of the following clinical trial:

Trial Title: Lower Third Molar Removal With 2% and 4% Articaine

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: CROSSOVER
- Observational Model: None
- Primary Purpose: HEALTH_SERVICES_RESEARCH
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Need of lower third molar surgeries in similar positions~Exclusion Criteria:~* Presence of systemic diseases;~* Presence of local inflammation and/or infection;~* Any history of allergic reaction to local anesthetics, gastrointestinal bleeding or ulceration;~* Cardiovascular and kidney diseases;~* Asthma and allergy to aspirin, piroxicam or any other non-steroidal antiinflammatory drug;~* Regular use of any non-steroidal antiinflammatory drug, pregnancy or breast feeding.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 45 Years
- Healthy Volunteers: t

Study Arms:
- Surgery With 2% Articaine first, then Surgery With 4%Articaine (Type: EXPERIMENTAL): First Intervention (1 day - third molar surgery with infiltration of one cartridge of 2% articaíne), Washout (1-2 months), and Second Intervention (1 day - third molar surgery with infiltration of one cartridge of 4% articaíne)
- Surgery With 4%Articaine first, then Surgery With 2% Articaine (Type: EXPERIMENTAL): First Intervention (1 day - third molar surgery with infiltration of one cartridge of 4% articaíne), Washout (1-2 months), and Second Intervention (1 day - third molar surgery with infiltration of one cartridge of 2% articaíne)

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