My braces treatment is in process.some yrs ago i had two front teeth extraction and had bridge for two teeth and two teeth were grind to fit the bridge.it was a ceramic bridge.now my orthodontic has decided two trim my bridge time to time to make the gap for my orthodontic treatment.last time when he tried to trim my bridge it he felt so hard to cut the ceramic material.but when i went to my family dentist from other side she did the same easily.but he suggest me to remove the ceramic bridge and get the new acrylic bridge sobi can trim easily.i dont feel to remove kindly plz suggest can ceramic material be trim?also i have gag reflex i felt to vomit while giving impression.