OKLAHOMA CITY, Apr 4: A lawyer for an Oklahoma oral surgeon accused of using improper sterilization procedures and rusty surgical tools that may have exposed patients to HIV and hepatitis said yesterday his client had an impeccable record and provided dedicated care. The attorney for Dr. Scott Harrington did not address the specific allegations of improper care that have been lodged by state regulators. Instead, Tulsa lawyer James Secrest II issued a statement that defended Harrington’s professional history. (agencies)