Prague Med. Rep. 2022, 123, 181-187

Impact of Hemorrhagic Stroke on Molar Bite Force: A Prospective Study

Gabriel Pádua da Silva1,2, Edson Donizetti Verri1,3, Marcelo Palinkas1,4,5, Camila Roza Gonçalves1,6, Paula Napolitano Gonçalves1, Robson Felipe Tosta Lopes1,2, Guilherme Gallo Costa Gomes1, Isabela Hallak Regalo1, Selma Siéssere1,5, Simone Cecilio Hallak Regalo1,5

1School of Dentistry of Ribeirão Preto, University of São Paulo, São Paulo, Brazil
2UNIFAFIBE, Bebedouro, Brazil
3Claretiano, University Center of Batatais, Batatais, Brazil
4Faculty Anhanguera, Ribeirão Preto, São Paulo, Brazil
5National Institute for Translational Medicine (INCT-TM), Ribeirão Preto, Brazil
6Hospital do Amor, Barretos, Brazil

Received February 25, 2022
Accepted August 2, 2022

Stroke is a neurological deficit of cerebrovascular origin that promotes physical impairments of adult individuals. The present study is aimed to demonstrate whether hemorrhagic stroke affects the maximum molar bite force. The prospective study carried in Centro Universitario Claretiano de Batatais, Brazil, determined the distribution of the sample into two groups: hemorrhagic stroke group (n=18, median age, 62.5 years) and disease-free group (n=18, median age, 62.0 years), with 10 men and 8 women in each group. Subjects were paired one-to-one (age and body mass index). The dynamometer was used to measure the maximum molar bite force (right and left). All analyses were performed with a significance level of 5% (Student’s t-test). Differences were found on the right (p=0.048) and left (p=0.042) molar bite force, with lower bite force (both sides) in hemorrhagic stroke group. The study suggests that hemorrhagic stroke negatively affects the maximum molar bite force and necessitates changes in food intake to nutritious and softer consistency foods.


This study was supported by the Fundação de Amparo a Pesquisa do Estado de São Paulo (FAPESP, Brazil), and National Institute and Technology – Translational Medicine (INCT.TM), São Paulo.


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