The good news:
No crown needed.
No root canal.
The broken piece went down far below the gum, so I will be having oral surgery on Monday, followed by more dental work ten days later.
The good news?
She was so apologetic. She doesn't realise that in Canada we count these things in the thousands of dollars not hundreds.
Photos coming I hope...I am predictably having trouble with it...along with my internet connection, so if I disappear, you'll know why.