title: Radiographic assessment and chair time of rotary instruments in the pulpectomy of primary second molar teeth: a randomized controlled clinical trial.
abstract: Background and aims. The superiority of rotary systems has been reported in several clinical studies on permanent teeth. This study consisted of radiographic assessment and chair time of rotary instruments in the pulpectomy of primary second molar teeth. Materials and methods. In this randomized controlled clinical study, 46 children, 3-6 years of age, were selected. The patients were divided randomly into two groups. In the first group (group A) pulpectomy was carried out with hand instruments and in the second group (group B) the Rotary FlexMaster System was used. T-test and chi-squared test were used to analyze data. Results. The mean instrumentation time in group A was significantly more than that in group B (P<0.001). Also there was a significant difference between both groups in relation to the distance between the apex of mesial root (P<0.001) and distal root (P=0.007) and the canal filling level. Conclusion. Superior radiographic findings and less chair time of pulpectomy with rotary instruments in second primary molar teeth were achieved.
authors.affiliation: Professor, Department of Pediatric Dentistry, Dental Research Center and Dental School of Mashhad University of Medical Sciences, Mashhad, Iran.
authors.forename: Abbas
authors.initials: A
authors.lastname: Makarem
authors.affiliation: Pedodontist, Private Practice, Tehran, Iran.
authors.forename: Navid
authors.initials: N
authors.lastname: Ravandeh
authors.affiliation: Associate Professor, Department of Pediatric Dentistry, Dental Research Center and Dental School of Mashhad University of Medical Sciences, Iran.
authors.forename: Masoumeh
authors.initials: M
authors.lastname: Ebrahimi
keywords: Primary second molars; pulpectomy; rotary system
references.citation: J Endod. 2009 Jul;35(7):938-43
references.pmid: 19567311
references.citation: J Clin Pediatr Dent. 2011 Summer;35(4):359-63
references.pmid: 22046692
references.citation: Int Endod J. 2004 Dec;37(12):849-59
references.pmid: 15548276
references.citation: J Indian Soc Pedod Prev Dent. 2006 Dec;24(4):186-91
references.pmid: 17183182
references.citation: Int Endod J. 2002 Jun;35(6):505-13
references.pmid: 12190907
references.citation: Int Endod J. 2003 May;36(5):358-66
references.pmid: 12752650
references.citation: Pediatr Dent. 2006 Nov-Dec;28(6):518-23
references.pmid: 17249433
references.citation: Compend Contin Educ Dent. 2006 Feb;27(2):87-91; quiz 92, 112
references.pmid: 16494095
references.citation: Int Endod J. 2005 Oct;38(10):743-52
references.pmid: 16164689
references.citation: J Dent Child (Chic). 2004 Jan-Apr;71(1):45-7
references.pmid: 15272656
references.citation: Am J Dent. 2001 Oct;14(5):324-33
references.pmid: 11803999
references.citation: Pediatr Dent. 1999 Nov-Dec;21(7):453-4
references.pmid: 10633522
references.citation: J Clin Pediatr Dent. 2008 Summer;32(4):295-8
references.pmid: 18767460
references.citation: Int Endod J. 2003 Apr;36(4):246-55
references.pmid: 12702118
references.citation: Int Endod J. 2003 Nov;36(11):715-23
references.pmid: 14641434
references.citation: Int Endod J. 2002 Jun;35(6):514-21
references.pmid: 12190908
references.citation: Int Endod J. 2003 Jul;36(7):483-90
references.pmid: 12823704
references.citation: Int Endod J. 2000 Jul;33(4):297-310
references.pmid: 11307203
references.citation: Am J Dent. 2006 Dec;19(6):353-8
references.pmid: 17212077
references.citation: Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2001 Jun;91(6):715-8
references.pmid: 11402288
references.citation: J Endod. 2004 Jun;30(6):432-5
references.pmid: 15167474