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Revista Información Científica

versión On-line ISSN 1028-9933


BARREIRO-MENDOZA, Nataly et al. Characterization of subprosthetic stomatitis in patients with removable prosthesis. San Gregorio de Portoviejo University. Rev. inf. cient. [online]. 2020, vol.99, n.2, pp.107-114.  Epub 03-Mar-2020. ISSN 1028-9933.


Subprosthetic stomatitis is an inflammatory process of the mucosa in the oral cavity covered by a removable prosthesis, with a multifactorial cause and high prevalence.


To characterize subprosthetic stomatitis in patients with removable prosthesis treated at the dental clinics of San Gregorio University in Portoviejo in the period March-November 2019.


A cross-sectional descriptive study was conducted, with the following inclusion criteria: patients over 18 years old, both sexes, good general health, no toxic habits, use of removable prosthesis, total or partial, made of acrylic or metals. All the patients involved in the research signed their consent, information given to them before taking their dental records taken by the Ministry of Public Health of Ecuador, from which socio-demographic data, clinical signs and characteristics of the prosthesis were extracted.


100 patients were evaluated. Forty-five per cent showed clinical signs of subprosthetic stomatitis; the female sex (33%) predominated and the age group 40-59 years with (26%). Most of the prosthesis did not fit or adapt correctly and were in poor physical condition in 80%, 82.2% and 91% respectively. 84.4% of the patients used removable partial prosthesis, made of acrylic, for a period of 1 to 6 years, (60%) of the cases.


The diagnosis of subprosthetic stomatitis is associated with poor physical condition, maladjustment and inadequate adaptation of removable prostheses, which indicates the need for the institution to establish educational strategies towards the community for prevention and early diagnosis.

Palabras clave : subprosthetic stomatitis; oral cavity; removable prosthesis; acrylic prosthesis; buccal lesions.

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