My quick take away point for you as parents would be:
1. Focus on prevention than treatment. We see so many young kids as early as 2-3 years with facial swelling with all decayed teeth which can be life threatening in unfortunate circumstances.
2. Always keep a follow up after fillings and other treatment is done as children are bound to have recurrent infection and would probably sit on new/old infection.
3. Focus on getting the right treatment done then having denial and getting any "patchwork". It lead to bigger problems later. A checkup and followup with a child specialist will keep you away from any inadvertant situation.
A big thank you for all the support and trust in our care till now. Please spread the word with your family and friends and refer so that they can get the best of guidance and care.