Reem Mohammad Al Arawi Mas, Hamdy Abou El-Fotouh And Nora Mohamed Cheta .,

ABSTRACT
AIM : Is To Compare The Liner And Angular Deviation Between The Virtual And The Actual Implant Position Using Surgical Guide Versus Free Handed.

Materials & Methods: Ready-made Epoxy Resin Of Completely Edentulous Mandibular Jaw Models. CBCT Scanning With Virtual Implant Planning Were Used To Develop A Computer Based Surgical Guide Which Was Used To Place The Implants. Models Were Scanned By CBCT After Insertion To Compare The Accuracy Of Planned Position And Actual Position Of Implants Placement By Guided Surgery Versus Free Handed Technique. Linear And Angular Deviations Were Measured Between Planned And Actual Position At The Neck And The Apical Part In Both Groups. Result: The Mean Linear Deviation At The Neck For Free Handed Was 1.01�0.42 Mm; While It Was 1.20�0.29mm For Surgical Guided, The Mean Linear Deviation At The Apical Region For Free Handed Was 1.55�0.62mm; While It Was1.00�0.44mm For Surgical Guided And The Mean Angular Deviation For Free Handed Was 4.3�1.70 ? While It Was 3.0�0.86 ? For Surgical Guided. Conclusion: There Was No Statistically Difference In Linear Lateral And Global Deviation And Angular Deviation In Buccolingual Direction And Mesiodistal Direction Between Both Groups.