INVITRO INTRACANAL TEMPERATURES PRODUCED BY LOW-TEMPERATURE AND HIGH-TEMPERATURE THERMOPLASTICIZED INJECTABLE GUTTA-PERCHA

被引：2

作者：

DONLEY, DL

WELLER, RN

KULILD, JC

JURCAK, JJ

机构：

[1] USA DENT ACTIV,ENDODONT RESIDENCY PROGRAM,FT GORDON,GA 30905

[2] USA DENT ACTIV,FT HUACHUCA,AZ

[3] USA DENT ACTIV,FT BENNING,GA

来源：

JOURNAL OF ENDODONTICS | 1991年 / 17卷 / 07期

关键词：

ROOT-CANAL OBTURATION; SURFACE; SEALER;

D O I：

10.1016/S0099-2399(06)81695-X

中图分类号：

R78 [口腔科学];

学科分类号：

1003 ;

摘要：

An in vitro computerized temperature measurement system was developed to measure intracanal temperatures produced by different heated gutta-percha obturation techniques. The temperatures produced by low- and high-temperature thermoplasticized injectable gutta-percha systems were recorded and compared in this investigation. The mean intrachamber temperature of the Obtura syringe was 178.68-degrees-C. The mean temperature of the Ultrafil heater was 93.06-degrees-C. The mean temperature of the extruded gutta-percha was 137.81-degrees-C from the Obtura syringe and 62.88-degrees-C from the Ultrafil cannule. The intracanal temperature of the gutta-percha recorded for both systems showed that the gutta-percha cools rapidly after injection into the canal.

引用

收藏

页码：307 / 309

页数：3

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