Please assess the completion status of the following clinical trial:

Trial Title: Prospective Registry of Immediate/Delayed Loading of Implants in the Cranial Bone-grafted Severely Atrophic Jaw

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: COHORT
- Primary Purpose: None
- Time Perspective: PROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~* Patients of all ages~* Patients of all genders~* Patients with moderate to extreme bone atrophy of the jaw (class IV to VI according to Cawood and Howell (Cawood \& Howell, 1988), caused by terminal periodontitis or edentulism~* Patients requiring bone augmentation procedures through cranial bone grafting for jaw reconstruction~* Patients ineligible for conventional removable prosthetic rehabilitation~Exclusion Criteria:~* Patients not eligible according to abovementioned criteria~* Patients with severe uncontrolled diabetes~* Patients with cranial vault without diploe and/or cranial vault thickness \<3mm, as defined with cone-beam CT (De Ceulaer, et al., 2012)

- Gender: ALL
- Minimum Age: None
- Maximum Age: None
- Healthy Volunteers: f

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