A surdeferentação dentária como fator etiológico das disfunções gustativas em ratos Wistar machos
DOI:
https://doi.org/10.20453/reh.v34i1.5314Palavras-chave:
extração dentária, percepção gustativa, cânula, ratos WistarResumo
Objetivo: Avaliar a influência da surdeferentação dentária (DD) no sentido do paladar de ratos Wistar machos através do teste de reatividade gustativa (TRG). Materiais e métodos: Estudo experimental, seguindo as diretrizes ARRIVE 2.0, realizado em dez ratos Wistar. Estes foram aleatorizados e atribuídos a um grupo de controlo ou a um grupo experimental, tendo sido implantadas cânulas para TRG em ambos os grupos. No grupo experimental, foi efetuada a exodontia dos três molares superiores do lado direito. No segundo ou terceiro dia, iniciou-se a TRG (dia 1) com a infusão de 1 M de uma substância doce (ingestiva) e 3 mM de uma substância amarga (aversiva), na velocidade de 1 mL em 1 minuto. Esse TRG foi repetido nos dias 7, 14 e 21. As respostas ingestivas e aversivas foram avaliadas durante 1 minuto. Os dados foram processados no pacote estatístico SPSS v. 26. O teste U de Mann-Withney foi usado para identificar diferenças; e a magnitude da diferença foi calculada usando o r de Rosenthal. Resultados: As respostas ingestivas à sacarose foram obtidas no dia 1 (p > 0,05); foram obtidas respostas diferentes no dia 7 (p = 0,05), no dia 14 (p = 0,009) e no dia 21 (p = 0,009). Também se obtiveram respostas aversivas ao benzoato de denatónio (BD) nos dias 1, 7 e 21 (p > 0,05); estas foram diferentes no dia 14 (p = 0,05). Conclusões: Foi encontrada uma diferença nas respostas ingestivas medianas à sacarose e nas respostas aversivas ao BD em ratos Wistar machos como resultado da DD.
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