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  Indian J Med Microbiol
 

Figure 4: Degree of Overlap (%). P1 (Before insertion of SGAD): head in neutral position. P2 (after insertion of SGAD): head in neutral position. P3 (Before insertion of SGAD): head rotated 30 degree to the left side. P4 (After insertion of SGAD): head rotated 30 degrees to the left side

Figure 4: Degree of Overlap (%). P1 (Before insertion of SGAD): head in neutral position. P2 (after insertion of SGAD): head in neutral position. P3 (Before insertion of SGAD): head rotated 30 degree to the left side. P4 (After insertion of SGAD): head rotated 30 degrees to the left side