Inonetechnique, calledpocket depth reduction, the periodontistfolds back the gumtissue, removes the bacteria, andsecures the tissue into placeso thatitfitsmoretightly around the teeth.
The prototype uses an open-source speech-recognition program calledPocket Sphinx, developed at Carnegie Mellon University, in Pittsburgh, but Dr Kristensson reckons it would be easy to apply the same approach to commercially available programs like Nuance's Dragon.