الفهرس 
acknowledgmentOnly 14 pages are availabe for public view
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Abstract
The current Investigation was Conducted to Evaluate the Effect of Hypervitaminosis A on the Healing of Surgically Drilled mandibular bone Defect As Well as The Histological Structure Changes in growing Condyle in Albiono Rats The study Was Conducted on Forty Growing Albino Rats Aged 2 Months (the Newborn Rats Corresponds to A 16 Week Old Human Fetus) .