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J. oral res. (Impresa) ; 5(7): 279-284, Nov. 2016. tab, graf
Article in English | LILACS | ID: biblio-907690

ABSTRACT

Abstract: objective: To compare the masticatory performance (MP) of patients with old removable partial denture (RPD), recently inserted RPD and already adapted RPD by means of the simple sieve test. Material and Methods: Twenty-nine adult (>18 years old) volunteer patients were recruited, with lower and upper RPD, excluding total edentulous subjects in the upper and lower jaw, with temporomandibular disorders, severe periodontal disease, mental disability or systemic disease compromising the masticatory or nervous system. Dentures were designed and fabricated by an expert operator. MP was evaluated in old RPD (MP1), recently inserted RPD (MP2) and adapted RPD (MP3). The simple sieve test used was Edlund-Lamm in percentage of MP, using Optosil® Comfort condensation silicone tablets, with standard sizes (5.0x20mm). In each phase, the patient chewed the tablet with 20 masticatory strokes. The crushed fragments were dried at 80°C for 60 minutes and weighed on an analytical scale. A multiple vibration sieve analysis was performed, using sieves with opening sizes of 2.8mm and 1.4mm. Shapiro-Wilk test and Anova test with Bonferroni correction were performed. Results: It was observed that MP1 presented a mean of 8.40 percent (SD +/- 5.59), MP2 a mean of 8.56 percent (SD +/- 5.56), and MP3 a mean of 18.26 percent (SD +/- 8.12). There was a significant difference (p<0.05) between the MP1-MP3 groups, as well as between the MP2-MP3 (p<0.05). Conclusion: There is a significant increase in MP thirty days after the insertion of RPD, checkups, and adjustments performed by the dentist.


Resumen: comparar el rendimiento masticatorio (RM) de pacientes con prótesis parcial removible (PPR) antigua, PPR recién instaladas y adaptadas mediante test de trituración simple. Material y Método: Se reclutaron 29 pacientes voluntarios mayores 18 años, recambio PPR superior o inferior, excluyendo a desdentados totales superior y/o inferior, con trastornos temporomandibulares, enfermedad periodontal severa, enfermedad mental o enfermedad sistémica que comprometa el sistema masticatorio o nervioso. Las prótesis fueron planificadas y realizadas por un operador experto. El RM fue evaluado en PPR antigua (RM1), PPR recién instalada (RM2) y PPR adaptada (RM3). El test de trituración utilizado fue de Edlund-Lamm en porcentaje de RM, utilizando pastillas de silicona condensación Optosil® Comfort, con dimensiones estandares (5,0x20mm). Cada fase el paciente trituró la pastilla con 20 golpes masticatorios. Los restos triturados fueron secados a 80°C por 60 minutos y pesados en una balanza analítica. Se realizó un análisis de tamizado vibratorio múltiple, utilizando tamices de 2.8mm y 1.4mm de apertura. Se aplicaron el test Shapiro-Wilk, test Anova con corrección de Bonferroni. Resultados: Se observó que RM1 presentó una media de 8,40 por ciento (DS +/- 5,59), RM2 una media de 8,56 por ciento (DS +/- 5,56) y RM3 una media de 18,26 por ciento (DS +/- 8,12). Entre los grupos RM1-RM3 hubo diferencia significativa (p<0,05) al igual que RM2-RM3 (p<0,05). Conclusión: El RM aumenta significativamente tras 30 días de instalación de una PPR coincidiendo con los controles y ajustes por parte del odontólogo.


Subject(s)
Male , Female , Humans , Adult , Middle Aged , Aged , Aged, 80 and over , Denture, Partial, Removable , Mastication/physiology , Surveys and Questionnaires
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