الفهرس 
Introduction and Literature ReviewOnly 14 pages are availabe for public view
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Abstract
The immune reaction of the larvae was investigated and included (1)Cellular immune reactions (2)Differential haemocyte counts(DHCs)(3)Total haemocyte counts(THCs)(4)Phagocytic response(5)Nodule Formation reaction(6)Humoral immune reaction (6)phenoloxidase enzyme (PO)production The crowns fitted the implant abutments directly and were attached to a combined metallic and acrylic denture base by the aid of retention wings. The metallic part of the denture base had a u-shaped occlusal plate with a metallic ring for the attachment of the testing machine. A
universal testing machine was used to test the retention of the telescopic crowns system at the zero level (T0) and after 30 , 300 , 600, 1200, 1500, 1800, 2100 cycles of loading ( T1 to T7
respectively). The implant abutments were unscrewed and ball abutment were tightened. Ball retainer matrix was fitted over the ball abutments and were attached to the fitting surface of the overdenture by chemically initiated acrylic resin dough. The same testing procedures were repeated for the ball and socket retainers.