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  Indian J Med Microbiol
 

Figure 15: ridge expansion; (a) measuring the thickness of the alveolar crest using periodontal probe (b) horizontal osteotomy (c) drilling first holes every 7.5 Mm (d) first 1 mm of expansion (e) differential preparation (f) placement of implants (at this stage 2 mm of expansion is observed)[47]

Figure 15: ridge expansion; (a) measuring the thickness of the alveolar crest using periodontal probe (b) horizontal osteotomy (c) drilling  first holes every 7.5 Mm (d)  first 1 mm of expansion (e) differential preparation (f) placement of implants (at this stage 2 mm of expansion is observed)[47]