A reader is disappointed in the composites he places for Class II resin restorations and asks what he can do to avoid postoperative sensitivity, reduce open margins, and ensure there is no more recurrent caries on the gingival margins. Dr. Gordon Christensen says the resin-based composite restorative materials we have today are very good and that, in his opinion, the problem is you and me. He offers suggestions to improve predictability and reliability.
Despite electric dental handpieces being available for several decades, less than half of US dentists use them in their practices. Dr. Gordon Christensen discusses advantages and limitations of low- and high-speed electric handpieces, and recommends that dentists who are not currently using them consider augmenting or replacing their air-driven handpieces with electric.
Dr. Christensen answers this question: 'As a general dentist, I am considering becoming more involved with placing dental implants. Should I orient my practice toward only placing implants using surgical guides, only placing them freehand, or doing both methods?'