An oral surgeon from Lewiston is alleging that the state’s regulatory agency for practicing dentists is engaging in a vendetta against him, according to a dispute aired in civil court this week that followed the agency’s clearing of more than 200 complaints against him, the Lewiston Sun Journal reported. An attorney representing the longtime dentist told the Kennebec County Superior Court on Tuesday that the Maine Board of Dental Practice “has pursued a relentless course to publicly tarnish” Dr.