Bilateral eruption cysts associated with primary molars

We have some very interesting images for you but, can you answer the questions below?

1. What would be your differential diagnosis?
2. Which ancillary exams would you recommend?
3. What sort of approach would you endorse given the age of the patient?

If you don’t know the answers or want to know more read ’A Rare Case of Bilateral Eruption Cysts Associated With Primary Molars in both the jaws’