Subject: Re: Porcelain or Metal crown Author:Amatus Cremona Date: 7 Jul Ref:
But we all have seen those molar cusp-tip "bowl-shaped"
depressions growing in our older patients, where no opposing tooth can
even reach down into that "bowl" to create the wear. That shape of
wear is due to masticated food wearing away the dentin faster than the
harder enamel.