Losing his Central Incisor

My boy has been complaining of a shaky tooth recently. Upon examination, I realised that his upper Central Incisor was the shaky one.
Took a picture of my handsome boy with all his teeth.

That day, he lost his upper Central Incisor while playing with meimei in the car. Funny thing was, he did not even realise he drop his tooth. When he alighted from the car, I saw a hole in between his teeth and asked him where was his tooth. He went back to the car and found the tooth on the car seat. He said it must have dropped when meimei punch his mouth just now.

This is how he looks now:

This is the first time he loses his teeth.