Please assess the completion status of the following clinical trial:

Trial Title: Effectiveness of Three Oral Devices as Mouthguard in Electroconvulsive Therapy. Randomized Crossover Clinical Trial.

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: SINGLE
- Phase: None
- Number of Arms: 6.0

Eligibility Criteria:
Inclusion Criteria:~* Patients should have an intellectual level that allows a proper communication and must agree to cooperate in all tests and exams required by the study protocol.~* Obtaining written informed consent for participating in the project (model consent form)~* The patient must have enough teeth in the upper arch or being a carrier of a stable removable prosthesis.~Exclusion Criteria:~* Being in a maintenance ECT program.~* Receiving ECT during the six months prior to the index episode.~* Pregnancy and lactation.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 75 Years
- Healthy Volunteers: f

Study Arms:
- Sequence SB-CA-SM (Type: EXPERIMENTAL): Solubrux®+ Customized Appliance + Somatics®
- Sequence SB-SM-CA (Type: EXPERIMENTAL): Solubrux®+Somatics®+Customized Appliance
- Sequence CA-SB-SM (Type: EXPERIMENTAL): Customized Appliance+Solubrux®+Somatics®
- Sequence CA-SM-SB (Type: EXPERIMENTAL): Customized Appliance+Somatics®+Solubrux®
- Sequence SM-SB-CA (Type: EXPERIMENTAL): Somatics®+Solubrux®+Customized Appliance
- Sequence SM-CA-SB (Type: EXPERIMENTAL): Somatics®+ Customized Appliance+Solubrux®

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