Microorganisms play a central role in the pathogenesis of major pulp and periapical changes is acting as primary causal agents are acting as secondary agents complicating the process of tissue healing.
Considering this role of endodontic infections can consider that endodontics is the discipline dedicated to the prevention, control and elimination of microorganisms in the pulp cavity.
This fact makes the knowledge of endodontic infections in all its nuances is essential for the professional
endodontics can get success in their interventions.
Paciente com dor em molar superior e presença de fístula e bolsa periodontal. Feito desbridamento da fístula para remoção do epitélio foi feito preparo dos canais e selamento coronário.