Digital record keeping is another change coming to dentistry.The UCSF clinic went digital about a year ago, and dentists there believe paper files will be obsolete within 10 or 15 years.

Digital record keeping is another change coming to dentistry. The UCSF clinic went digital about a year ago, and dentists there believe paper files will be obsolete within 10 or 15 years.

Biochemists call it the central dogma: Genetic material, in the form of a long nucleic acid polymer called DNA, stores a digital record of every protein's design.