Effect of essential oils on the setting time of Kerr pulp canal sealer.

Setting times were determined for Kerr pulp canal sealer and the powder component of Kerr pulp canal sealer mixed with different liquid essential oils. The mean setting time of Kerr pulp canal sealer was 16.5 min. The mean setting times for the powder component of Kerr pulp canal sealer mixed with pure eugenol or for the standard liquid component of Kerr pulp canal sealer with rectified turpentine oil were 16.5 and 18.0 min, respectively. There was no significant difference in setting times among the three groups. The addition of rectified turpentine oil to the liquid component of Kerr pulp canal sealer did not have a significant effect on setting time.