X-ray examination was performed before surgery to explore periapical tissue
and root conditions.
Incorrect use of devitalizing agents is related to secondary pain, the drug filtering into the marginal periodontium, and irritation and inflammation of the periapical tissue
It was due to infected root canal system and remnant of the necrotic pulp induced the colonisation and formation of bacterial biofilm within the complexity of root canal system which in turn the bacterial invasion reached the periapical tissue
to cause apical periodontitis.
reactions to calcium hydroxide and MTA after external root resorption as a sequela of delayed tooth replantation.
In such scenario use of Intra-canal medicaments can help in eliminating these bacteria remaining after chemicomechanical instrumentation and can provide the environment conducive to periapical tissue
In addition to the biological and immunological factors, the followings can be effective in causing pain: Chemical mediators, changes in local adaptation of periapical tissue
, changes in cyclic nucleotides, immunological phenomena and psychosomatic factors .
responses and cementum regeneration with amalgam, superEBA, and MTA as root-end filling materials.
Microbiological examination of roots canal and periapical tissue
of human teeth.
Chow, The periapical tissue
reaction to a calcium phosphate cement in the teeth of monkeys, J.
Vitapex has some disadvantages like irritation to periapical tissue
if extruded beyond apex and has less antimicrobial properties.
There is no evidence of adverse histological reaction at the periapical tissue
reactions to rootfilled teeth whose canals had been instrumented short of their apices.