Giselle Rodrigues Ribeiro1, Camila Heitor Campos2, Mariana Barbosa Câmara-Souza3, Camilla Fraga do Amaral3, Renata Cunha Matheus Rodrigues Garcia4. 1. Assistant Professor, School of Dentistry, Salgado de Oliveira University, Niterói, Rio de Janeiro, Brazil. 2. Assistant Professor, Department of Specific Formation, Nova Friburgo Health Institute, Federal Fluminense University, Nova Friburgo, Rio de Janeiro, Brazil. 3. Graduate Student, Department of Prosthodontics and Periodontology, Piracicaba Dental School, University of Campinas, Piracicaba, São Paulo, Brazil. 4. Professor, Department of Prosthodontics and Periodontology, Piracicaba Dental School, University of Campinas, Piracicaba, São Paulo, Brazil.
Abstract
AIMS: To evaluate masticatory function and oral sensorimotor ability (OSA) in elders with Parkinson's disease (PD) during the levodopa on and off-periods. METHODS AND RESULTS: Participants were 11 partially and completely edentulous elders with PD. Masticatory function was evaluated by mandibular movements, maximum bite force (MBF), and masticatory performance (MP). Mandibular movements reflecting jaw range of motion (ROM) and jaw movements while chewing silicone test material (Optocal), were evaluated using a kinesiograph. MBF was assessed by strain sensors, and MP was determined using the median Optocal particle size (X50 ) after 40 masticatory cycles. OSA was evaluated using oral stereognosis test scores and response time. Evaluations were carried out 30 min before levodopa intake (off-period) and within a 3-day interval 1 h after levodopa intake (on-period). Data were analyzed by Student's t-test, considering a significance level of 5%. During the levodopa off-period, elders showed decreased ROM during protrusion and lateral movements, while no difference was found in maximum opening and mandibular movements during chewing. MBF was lower and X50 was higher during the off-period, indicating worse mastication. However, OSA did not differ between the evaluated times. CONCLUSION: Elders with PD had impaired mastication during the levodopa off-period, although OSA was not altered.
AIMS: To evaluate masticatory function and oral sensorimotor ability (OSA) in elders with Parkinson's disease (PD) during the levodopa on and off-periods. METHODS AND RESULTS:Participants were 11 partially and completely edentulous elders with PD. Masticatory function was evaluated by mandibular movements, maximum bite force (MBF), and masticatory performance (MP). Mandibular movements reflecting jaw range of motion (ROM) and jaw movements while chewing silicone test material (Optocal), were evaluated using a kinesiograph. MBF was assessed by strain sensors, and MP was determined using the median Optocal particle size (X50 ) after 40 masticatory cycles. OSA was evaluated using oral stereognosis test scores and response time. Evaluations were carried out 30 min before levodopa intake (off-period) and within a 3-day interval 1 h after levodopa intake (on-period). Data were analyzed by Student's t-test, considering a significance level of 5%. During the levodopa off-period, elders showed decreased ROM during protrusion and lateral movements, while no difference was found in maximum opening and mandibular movements during chewing. MBF was lower and X50 was higher during the off-period, indicating worse mastication. However, OSA did not differ between the evaluated times. CONCLUSION: Elders with PD had impaired mastication during the levodopa off-period, although OSA was not altered.
Authors: Beate Schumann-Werner; Sinika Schaefer; Silja Schramm; Harshal Jayeshkumar Patel; Ferdinand Christoph Binkofski; Cornelius Johannes Werner Journal: Dysphagia Date: 2022-09-10 Impact factor: 2.733