TDO Practice Management Software, TDO Web and TDO Mobile are a modular system designed specifically for the modern day endodontist. TDO is universally acknowledged to be the gold standard in clinical documentation and is guaranteed to make you a better clinician and help your office run more efficiently. TDO is the only complete practice management software that eliminates ALL paper records. All clinical charting, scheduling, financials, reports and even patient registration are done digitally in TDO.