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Quintessence International
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Quintessence Int 22 (1991), No. 2     1. Feb. 1991
Quintessence Int 22 (1991), No. 2  (01.02.1991)

Page 159-163


An in vitro investigation of the apical seal produced by a new thermoplasticized gutta-percha obturation technique
Haddix / Jarrell / Mattison / Pink
This investigation quantitatively analyzed apical leakage in teeth in which one of two new thermpolasticized gutta-percha obturating techniques were used. Apical leakage observed after use of the thermoplasticized techniques was compared to leakage found in teeth that had been obturated with conventional lateral condensation. Statistically significant differences (P < 0.05) were found among the three groups. The lateral condensation group exhibited the least leakage, followed by the thermoplasticized group, and the thermoplasticized twist-off group exhibited the most apical leakage.