Pattern of Disinfection of Root Canal Dentin by Alternated Acid-Base Irrigating Regimen

Figure 1

Schematic drawing of the dentin samples collection. (a) Root of human canine tooth. (b) Root sectioned into coronal (C), middle (M), and apical (A) segments. (c) Cross section of root segments showing the regions of the superficial (S) and deep (D) dentin. (d) Gates-Glidden (GG) drills #3 to #6 were used for obtaining dentin chips. (e) Dentin chips collected in microtubes under irrigation with sterilized saline.