16 In a comparative study of 226 patients, Holzgrefe et al demonstrated that while navigated and nonnavigated RSAs yielded similar rates of improvement in range of motion (ROM) and functional outcome scores, notching and reoperation was more common in nonnavigated cases (but did not reach statistical significance). 15 Use of Mixed Reality technology to assist with intraoperative execution of the preoperative plan has become possible in recent years, Fig. 3 .
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