Hello ..
if half of your baby tooth is broken from corners and already it’s decayed ,,, it is carious tooth and catious enamel easy break . As child is 7 year old and each baby tooth has certain age to stay in oral cavity . We (pediatric dentist ) relate correct age with X-ray so to diagnose properly for treatment.. do for that you need to visit pediatric dentist
Next Steps
Avoid sticky candies and chocolates
Avoid too much cold food stuff
Health Tips
Twice brush the teeth