Preheating effect on polymerization shrinkage of composites Restoration (in vitro comparative study). Journal Port Science Research, [S. l.], v. 8, n. 1, p. 71–74, 2025. DOI: 10.36371/port.2025.1.12. Disponível em: https://jport.co/index.php/jport/article/view/291. Acesso em: 17 may. 2026.