The investigation of thermal behaviour and physical properties of several types of contemporary gutta-percha points.
chemical composition
gutta-percha
thermal conductivity
Journal
International endodontic journal
ISSN: 1365-2591
Titre abrégé: Int Endod J
Pays: England
ID NLM: 8004996
Informations de publication
Date de publication:
Nov 2021
Nov 2021
Historique:
revised:
13
08
2021
received:
02
03
2021
accepted:
19
08
2021
pubmed:
23
8
2021
medline:
14
10
2021
entrez:
22
8
2021
Statut:
ppublish
Résumé
To analyse the contents and thermal behaviour of several brands of contemporary gutta-percha points due to the variable nature of the components of gutta-percha, and the impact they can have on the physical properties of this unique material during canal filling. Six brands of gutta-percha were investigated: Conform Fit There were significant difference in the inorganic fractions of the gutta-percha points in percentage by weight amongst the groups (p < .05). PTG had the lowest thermal conductivity (0.42 W/m K). A positive correlation was observed between the percentage of inorganic fraction and thermal conductivity (r = 0.95). The initial phase changing temperature and peak temperature measured by DSC were significantly different when the β-form transformed to α-form (p < .05), whereas no significant difference was found during the α-form to the amorphous-phase transition (p > .05). Chemical compositions and initial phase changing temperature by DSC varied according to the various brands of gutta-percha points. Conform Fit
Identifiants
pubmed: 34420210
doi: 10.1111/iej.13615
pmc: PMC9290796
doi:
Substances chimiques
Root Canal Filling Materials
0
Gutta-Percha
9000-32-2
Types de publication
Journal Article
Langues
eng
Pagination
2125-2132Informations de copyright
© 2021 The Authors. International Endodontic Journal published by John Wiley & Sons Ltd on behalf of British Endodontic Society.
Références
Int Endod J. 2006 Feb;39(2):113-8
pubmed: 16454791
Oral Surg Oral Med Oral Pathol. 1974 Jun;37(6):954-61
pubmed: 4598930
Int Endod J. 2021 Nov;54(11):2125-2132
pubmed: 34420210
J Endod. 1989 Apr;15(4):149-53
pubmed: 2607284
Beijing Da Xue Xue Bao Yi Xue Ban. 2017 Feb 18;49(1):110-4
pubmed: 28203015
J Endod. 1977 Aug;3(8):304-8
pubmed: 268405
J Endod. 1993 Jan;19(1):31-4
pubmed: 8289024
J Dent Res. 1975 Sep-Oct;54(5):921-5
pubmed: 1058875
Int Endod J. 2001 Sep;34(6):447-51
pubmed: 11556511
J Endod. 1984 Sep;10(9):413-6
pubmed: 6593417
J Endod. 1997 May;23(5):307-11
pubmed: 9545933
Oral Surg Oral Med Oral Pathol. 1974 Jul;38(1):109-14
pubmed: 4525950
J Endod. 1992 Jun;18(6):263-70
pubmed: 1402583
Clin Oral Investig. 2017 Nov;21(8):2589-2602
pubmed: 28185092
J Endod. 1988 Mar;14(3):115-20
pubmed: 3268625
Eur J Dent. 2013 Apr;7(2):201-206
pubmed: 24883027
Oral Surg Oral Med Oral Pathol. 1955 Jul;8(7):743-59
pubmed: 14394660
Int Endod J. 2003 Mar;36(3):147-60
pubmed: 12657140
Dent Clin North Am. 2007 Jul;51(3):695-712, vii
pubmed: 17586151
Oral Surg Oral Med Oral Pathol. 1981 May;51(5):544-51
pubmed: 6941146
Dent Clin North Am. 1967 Nov;:723-44
pubmed: 5262492
J Dent Sci. 2020 Mar;15(1):28-33
pubmed: 32256997
J Endod. 2015 Jan;41(1):79-82
pubmed: 25134732
Oral Surg Oral Med Oral Pathol. 1984 Nov;58(5):589-99
pubmed: 6595621
Int Endod J. 2003 Apr;36(4):302-7
pubmed: 12702126
J Endod. 1995 Apr;21(4):200-4
pubmed: 7673821