Please assess the completion status of the following clinical trial:

Trial Title: Comparative Volumetric Assessment of Alveolar Ridge Preservation Utilizing Different Bone Grafting Materials

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 4.0

Eligibility Criteria:
Inclusion Criteria:~1. Provision of informed consent~2. ≥ 18 years and ≤ 75 years~3. Good physical health (ASAI/II)~4. Extraction of maxillary premolar, canine or incisor, or mandibular premolar and canine required~5. Teeth adjacent (mesial and distal) to study site must consist of two stable natural teeth with minimal restorations, without signs of periodontal bone loss (\> 3 mm) and/or significant soft tissue deficiencies~Exclusion Criteria:~1. Buccal plate dehiscence and/or fenestration \>3mm at study site following extraction~2. Untreated rampant caries and uncontrolled periodontal disease~3. Inadequate oral hygiene (estimated plaque score \>20%)~4. Smokers using more than 10 cigarettes or equivalent per day~5. Smokeless tobacco use or e-cigarette use~6. Compromised physical health and/or uncontrolled or severe systemic diseases including:~   ASA III/IV Metabolic bone disease History of malignancy History or radiotherapy or chemotherapy for malignancy in the past 5 years History of autoimmune disease Long-term steroidal or antibiotic therapy Uncontrolled diabetes Known alcohol or drug abuse~7. Systemic or local disease or condition that would compromise post-operative healing~8. Use of any substance or medication that will influence bone metabolism~9. Known pregnancy~10. Unable or unwilling to return for follow-up visits for a period of 6 months~11. Unlikely to be able to comply with study procedures according to Investigators judgement~12. Involvement in the planning and conduct of the study~13. Previous enrollment or randomization of treatment in the present study

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

Study Arms:
- Group A- Allograft, Membrane (Type: ACTIVE_COMPARATOR): Symbios mineralized cortical-cancellous granule mix, Symbios OsteoShield Collagen Resorbable Membrane
- Group B- Alloplast, Membrane (Type: ACTIVE_COMPARATOR): Symbios OsteoGraf/LD-300, Symbios OsteoShield Collagen Resorbable Membrane
- Group C- Xenograft, Membrane (Type: ACTIVE_COMPARATOR): OsteoGraf/N-300 , Symbios OsteoShield Collagen Resorbable Membrane
- Group D- Membrane (Type: ACTIVE_COMPARATOR): Symbios OsteoShield Collagen Resorbable Membrane

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