Is it necessary to make a dental model for every filling?

You said the situation, you are ready to do porcelain teeth, you need to prepare the teeth first, that is, grinding teeth, and your previous teeth model, now prepare the teeth of this tooth, in the model at the time of the complete <br> <br> you now have pain in this tooth, the treatment of the teeth, the need to do porcelain teeth and other cases, then need to be reinstalled your Now this tooth grinding is also the case after the preparation of the teeth, re-take the model, so do the porcelain teeth sets are appropriate