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  Indian J Med Microbiol
 

Figure 1: (a) C1-C2 removed en bloc and viewed anteriorly after removal of ligaments and capsules. The lateral atlantoaxial joints show convex on convex articulation. (b) Disarticulation of C1-C2 exposing the articular surfaces. (c and d) Denuding the articular cartilage from the inferior articular facet of atlas and from the superior articular facet of axis, respectively. Note the black markers on the bony surface which act as reference points for the three-dimensional scanner

Figure 1: (a) C1-C2 removed <i>en bloc</i> and viewed anteriorly after removal of ligaments and capsules. The lateral atlantoaxial joints show convex on convex articulation. (b) Disarticulation of C1-C2 exposing the articular surfaces. (c and d) Denuding the articular cartilage from the inferior articular facet of atlas and from the superior articular facet of axis, respectively. Note the black markers on the bony surface which act as reference points for the three-dimensional scanner