A case presented with lower natural teeth and 7 maxillary implants placed,  having space of 15 mm for the restoration. What would be the ideal treatment plan  for the patient?
(A) Single crown and bridge screw retained (B) Single crown and bridge cement retained (C) Overdenture (D) Hybrid denture
(D) The ideal restorative space for an implant supported hybrid denture is 12-15 mm (measured from the crest of alveolar ridge to occlusal plane) as accounted below:

Abutment: 3.0 mm
Hybrid Bar: 3.0 mm
Space: 1.0 mm
Acrylic: 4.0 mm
Teeth: 4.0 mm.