Help my chinchilla is on pain how do you trim the teeth he can’t eat he’s hungry but he can’t eat I can’t find a dr

My chinchilla is on pain how do you treat teeth problems how can I trim his teeth I can’t find a good dr I took him yesterday and they told me I was exagerating and told me he was fine he still sick they didn’t he’ll him they just took 1000 dollars from me amd sent him home they said they did some X-rays and I asked for them they never sent them to me omg my baby can’t eat helpo