Please assess the completion status of the following clinical trial:

Trial Title: Proof of Concept: Socket Seal

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

Eligibility Criteria:
Inclusion Criteria:~• Planned extraction in the upper front or premolar region~Exclusion Criteria:~* General risk situation (antiresorptive therapy, antiangiogenic therapy, history of local radiation therapy, heavy coagulation disorder, relevant allergies, dysregulated Diabetes mellitus, malignant diseases)~* Acute gingivitis~* Deep pockets (\>5.5mm)~* Apical periodontitis on neighboring teeth~* Heavy smoker (\>10/d)

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 99 Years
- Healthy Volunteers: f

Study Arms:
- 1. Mucograft® Seal + Bio-Oss® (Type: ACTIVE_COMPARATOR): None
- 2. FGG + Bio-Oss® (Type: ACTIVE_COMPARATOR): None
- 3. FGG + Gelatine sponge (Spongostan®) (Type: ACTIVE_COMPARATOR): None
- 4. Spongostan®+ Mucograft® Seal (Type: ACTIVE_COMPARATOR): None
- 5. Spongostan® (Type: NO_INTERVENTION): None

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