digital images, digital 3D templating. Opinions differ, and the optimal approach remains debated, but the most used method is digital templating on digital X-ray examination. Actually, there is an envelope of software and technology; in the beginning these
Joshua B.V. Smith, Habeeb Bishi, Chao Wang, Vipin Asopa, Richard E. Field, and David H. Sochart
than originally planned in order to reduce the risk of limb lengthening or peri-prosthetic fracture, which could result in over-estimation of the implant size on digital templating. 3 However, when templating for cemented prostheses the cement mantle
Habeeb Bishi, Joshua B V Smith, Vipin Asopa, Richard E Field, Chao Wang, and David H Sochart
used to template total hip replacements: Two-dimensional (2D) acetate templating, which overlays acetate templates on printed radiographs. 2D digital templating, which uses computer software to template implant size and position on digital
Maria Moralidou, Anna Di Laura, Johann Henckel, Harry Hothi, and Alister J. Hart
, proving the superiority over 2D digital templating. 39 Other studies addressed the use of 3D planning in restoring acetabular angles (version, inclination, abduction), by comparing the planned values with the post-operative acetabular angles. The
Paolo Salari and Andrea Baldini
(epiphysis, metaphysis, diaphysis). 9 Canal dimensions, degrees of axial correction to match the single bone mechanical axis, and epiphyseal entry points will dictate the type and length of the stems ( Fig. 1 ). Fig. 1 Digital templating