Both groups of teeth were stored in bi-distilled water within properly labeled containers, during 24 hours at environmental temperature of 37 C At a later point teeth were subjected to 500 thermo-cycling cycles for an approximate time of 8 hours 20 minutes.
Los dos grupos de dientes se almacenaron en agua bidestilada dentro de recipientes correctamente etiquetados, durante 24 horas en cámara ambiental a 37 C. Posteriormente, fueron sometidos a 500 ciclos de termociclado por un tiempo aproximado de 8 horas 20 minutos.