i have sever chicken-pox before 8 months.Wih left me alot of scars like boxcar & ice-pick> Would fillers work? Need TCA? (photo)

but the biggest two crater in chick just near my nose is the biggest two blunder which i scrached.I mae a done a prp with combine microneedling & sbcision.it improves around 10 % .Now i am tryning for some fillers.But the craters are having black sharp edges.can fillers be helpful for these crater or i need to go for tca cross before fillers. What is the percentae of improvement i can get?