Fig. 7From: The facultative human oral pathogen Prevotella histicola in equine cheek tooth apical/ periapical infection: a case reportTooth preparation and postextraction appearance. a Orthograde revision of the altered mesial infundibulum and b, filling and compaction with PMMA. c–d Extracted tooth 209; arrowhead indicating remnants of the apiconasal fistulaBack to article page