Does the tooth have to be cleaned before putting adhesive on to attach a crown that has fallen off?

April 26, 2016
Asked By:ywilson1005 in Conroe, TX

My crown fell off. My dentist put adhesive on it and put it back in place. I have a root canal on the tooth. He did not clean, rinse, air off or anything - the crown or the tooth before he put the adhesive on. 3 weeks later - the crown has come off again.

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