Again, you said well, most of the time. Which means in the other cases that have distinctives, they may need many more sessions. Let's be reminded that average values mislead us to think everyone is the same. But médical and dental care focuses on personalised care, and because esch individual differs from the next, the physician adapts the care to that specific individual with his or her own distinctive variations and complications.
Otherwise there could even be single appointment visits for root canals