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Figure 16 - The plane of the intended glenoid osteotomy is determined parallel to and one centimeter medial to the articular surface. A drill hole is made from anterior to posterior in the plane of the intended osteotomy. The depth of this hole is measured with a depth gauge, revealing the anteroposterior dimension of the glenoid in the plane of the intended osteotomy. A 3/4 inch flat and strong osteotome is marked with sterile tape at a length equal to 3/4 of the anteroposterior dimension of the glenoid.
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