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Retreatment vs Surgery:
Depends on if the causative agent is ______
Incidence of PA lesions following RCT 20-60%
Re-treatment improves the outcome of surgery
Main determinant of success in retreatment is presence/absence of _____
Teeth with technical errors reduce success from 87% to 47%
Initial treatment best if within ____ mm of apex (94%)
Final restoration - if absent tooth loss 6x more often
Depends on if the causative agent is ______
Incidence of PA lesions following RCT 20-60%
Re-treatment improves the outcome of surgery
Main determinant of success in retreatment is presence/absence of _____
Teeth with technical errors reduce success from 87% to 47%
Initial treatment best if within ____ mm of apex (94%)
Final restoration - if absent tooth loss 6x more often
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