[1
]
Department of Integral Pediatric Dentistry, Faculty of Medicine, University of Murcia,
Hospital Morales Meseguer, 2ª planta, C/Marqués de los Vélez s/n, 30008 Murcia, Spain.
[2
]
Servicio de Apoyo a la Investigación Tecnológica, Universidad Politécnica de Cartagena,
30202 Cartagena, Murcia, Spain.
[3
]
Department of Integral Pediatric Dentistry, Faculty of Medicine, University of Murcia,
Hospital Morales Meseguer, 2ª planta, C/Marqués de los Vélez s/n, 30008 Murcia, Spain.
Electronic address: ajortiz@um.es.