Texas toddlers being held in restraints as dentists at corporate-run clinics performed unnecessary root canals were among the dental horror stories told this week at a House Public Health Committee hearing at the state Capitol. Witnesses accused the Texas State Board of Dental Examiners, which regulates dental licensing in Texas, of ineptitude, a pattern of withholding or obscuring negative information about dentists, and failure to act against corporate-run dental clinics committing Medicaid fraud and harming patients. Others came to the board’s defense, saying that the new leadership is trying to fix mistakes from the past and that the board lacks the resources to do its job well.