WHO Oral Health Surveys, 2013 (Page 91)mentioned that cytomegalovrius is to be recorded in the list of oral manifestations. The form is a questionnaire that is to be recorded by an oral physician.
Although it is understood that, oral lesions related to cytomegalovirus are documented in HIV infections. How would one diagnose Cytomegalovirus at the clinical level in the absence of laboratory diagnosis.?
http://www.who.int/oral_health/publications/9789241548649/en/