We got this for our daughter and showed it to her since she was born at 13 months she was able to read some of the words in the my 1st Words book. At 14/15 months she can read all the words in the book as well as the flash cards. This system cost alot but it does work if you put in the time
With the conical root and mild dilaceration, would have only taken 3minutes with elevator and forcep.