Canker sores, also known as mouth ulcers, or aphthous stomatitis, can form on the gums, inner cheeks and lips (anywhere inside of the mouth). Canker sores, while annoying, are common, and usually heal in a week or two.
The length of time that doctor's offices need to keep records varies by state. 5 years is a common requirement. Explanations of benefits (EOB's) are sent by the insurance companies to the patient, not to the doctor's office. 4/11/13- Actually, insurance companies send EOB's to both entities, patient and doctors.
exists and is an alternate of . Answered by The WikiAnswersÂ® Community. Answers.comÂ® is making the world better one answer at a time. by law local doctors only need to keep them up to 5 years and public hospitals need to keep them up to 7 years after discharging the patient.