%0 Journal Article %T Implantes en arbotantes anat¨®micos del maxilar superior %A Sorn¨ª %A Marco %A Guarinos %A Juan %A Pe£¿arrocha %A Miguel %J Medicina Oral, Patolog¨ªa Oral y Cirug¨ªa Bucal (Ed. impresa) %D 2005 %I Scientific Electronic Library Online %X the skull presents a series of dense bony buttresses that conform a protective frame around the different craniofacial cavities. the middle third portion presents two anterior buttresses (frontomaxillary and frontozygomatic) and a posterior buttress (pterygomaxillary). in certain situations these structural supports allow the rehabilitation of free upper extremities in atrophic jaws by positioning parasinusal angulated implants - thereby avoiding the need for more complex reconstruction techniques such as sinus lifting or autografting procedures. the present study presents a review of the literature on implant insertion in anatomical buttresses of the upper jaw. %K implants %K anatomical buttress %K rehabilitation. %U http://scielo.isciii.es/scielo.php?script=sci_abstract&pid=S1698-44472005000200010&lng=en&nrm=iso&tlng=en