Ask the Expert Forum By The Editors On Jul 19, 2016 ASK THE EXPERT The Ask the Expert forum features answers to your most pressing clinical questions provided by Dimensions’ online panel of key opinion leaders. Ask a Question Ask the Expert Forum › Tag: Oregon RDHFilter:AllUnansweredSort byViewsAnswersVotesWhen to refer to a periodontistTimothy J. Hempton, DDS answered 1 year ago • Periodontal Therapy2179 views1 answers0 votes Share PrintEmailFacebookTwitterLinkedin