Effectiveness of ergonomic training to decrease awkward postures during dental scaling procedures: a randomized clinical trial - Castilho, Ana Virgínia Santana Sampaio; Crosato, Edgard Michel; Sales Peres, Sílvia Helena de Carvalho; Foratori-Junior, Gerson Aparecido; Aznar, Adriana Rodrigues de Freitas; Buchaim, Rogério Leone; Buchaim, Daniela Vieira; Nogueira, Dayane Maria Braz; Pereira, Eliana de Souza Bastos Mazuqueli; Paschoarelli, Luis Carlos; Orenha, Eliel Soares (International Journal of Environmental Research and Public Health, 2021)