International Registry for Severe Chronic Neutropenia  

Study the incidence and outcome of adverse events such as osteoporosis, splenomegaly, cytogenetic abnormalities, myelodysplastic syndrome, and leukemia. IV. Evaluate growth and development and hematologic parameters. V. Monitor for clinically significant changes in primary treatment response over time.

Efficacy of Customized Zirconia Sheet vs PTFE as a Non-resorbable Barrier in Maxillary Alveolar Ridge Augmentation

The goal of this clinical trial is comparing the efficacy of custom-made zirconia sheet versus Polytetrafluoroethylene as a non-resorbable barrier in maxillary alveolar ridge augmentation. The main question it aims to answer are: Is custom made zirconia sheets are valuable as a non-resorbable membrane in guided bone regeneration? Does it …

None

None

None

None

None

None

None

None