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  Indian J Med Microbiol
 

Figure 21: Limited efficiency of instrumentation of curved canals of maxillary molars. Percentage of the canal wall that was unaffected by instrumentation. When curved canals of maxillary molars were treated, all rotary and hand instruments tested resulted in 45-50% of the canal wall unaffected by the procedure, with a relatively large standard deviation (adapted from Paque et al. 2009).[82] The SAF resulted in 23% of the wall unaffected and a smaller standard deviation, giving both a better and more predictable result

Figure 21: Limited efficiency of instrumentation of curved canals of maxillary molars. Percentage of the canal wall that was unaffected by instrumentation. When curved canals of maxillary molars were treated, all rotary and hand instruments tested resulted in 45-50% of the canal wall unaffected by the procedure, with a relatively large standard deviation (adapted from Paque et al. 2009).[82] The SAF resulted in 23% of the wall unaffected and a smaller standard deviation, giving both a better and more predictable result