endodontic needles for the treatment of pulpitis and tooth roots close-up on a black background. tooth canal instrumentation

autoclave background blue canal canals care caries cavity clamp clean clinic closeup colorful concept decay dental dentist dentistry drill endodontic endodontics equipment file filling gangrene health hygiene implant infection inflamed instrument instruments macro medical medicine modern needle oral pulp pulpitis root rotary sterile sterilization titanium tool tools tooth toothache treatment