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The purpose of the present study was to determine the prevalence of the oral soft tissue lesions in patients referred to the geriatric unit "Dr. Joaquin Quintero", National Institute of Gerontology.340 patients were clinically evaluated, of these 266 were institutionalized and 74 were seen at the outpatient clinic, age ranging 60 to 104 years. 212 were females and 128 males. The statistical analysis was done using the SPSS software (11.0) to a significant level of 5% (p0.05).Fifty seven percent of the studied population presented one or more oral lesions, associated to prosthetic use, trauma and tobacco consumption. Females were more affected than males. The lesions were more frequently observed between 60 to 74 years of the institutionalized group of patients of these, 34% exhibited only one oral lesion. Few cases presented up to 4 oral lesions. The most common alterations observed were: denture stomatitis, oral leukoplakia, hemangioma, oral melanotic macule, traumatic fibroma, inflammatory fibrous hyperplasia and angular cheilitis.The findings observed in this population are important to be considered when clinically evaluating oral soft tissue in elderly. Close follow up and systematic evaluation is required in this population.

To determine the prevalence of oral lesions in a HIV+ group of patients, related to CD4 cell count and viral load in a Venezuelan population.In the present study, we evaluated 75 HIV+ adult patients, attended at the Center of Infectious Diseases, at the Faculty of Dentistry, Central University of Venezuela. Each patient was clinically examined for detection of oral mucosal lesions. In addition, CD4 cell count was determined by flow cytometry, as well as viral load by RT-PCR (Amplicor HIV-RNA, TM test 1.5, Roche).85% (64/75) of HIV/AIDS patients showed associated HIV lesions. Oral Candidiasis constituted the most common lesion representing a 61% (39/64), followed by Oral Hairy Leukoplakia 53% (34/64); Oral Leukoplakia 34% (22/64), Melanic Hyperpigmentation 38% (18/64); Papilloma 13 (6/64), Lineal Gingival Erythema 8% (5/64); Aphtous Recurrent Stomatitis 5% (4/64) and Kaposi's Sarcoma 5% (3/64). Only one case of the following lesions were represented by Non Hodgkin Lymphoma, Multifocal Epithelial Hyperplasia, Recurrent Herpes, Histoplasmosis and Molluscum Contagiosum. The patients with a viral load of 30.000 copies/mm3 exhibited oral lesions related with HIV, independent of CD4 cell count, although patients with CD4+ levels of 200 cel/mm3 were more susceptible to develop these lesions.The most common oral lesion was Oral Candidiasis followed by Oral Hairy Leukoplakia, Oral Leukoplakia and Melanic Hyperpigmentation. A high viral load was strongly associated to the oral lesions occurrence independently of CD4+ cell count.