Obturation of the Cleaned and Shaped Root Canal System

Johnson, William T.; Kulild, James C.

doi:10.1016/b978-0-323-06489-7.00010-2

Cited by 87 publications

(125 citation statements)

References 312 publications

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“…25 Root canal sealer is necessary to seal the space between the dentinal wall and the obturating core interface, fill the voids and irregularities in the root canal, lateral and accessory canals and provide a fluid impervious seal. 26 The preferred root canal sealer was zinc-oxide eugenol,which was used by 63% of GDPs. Others used endomethasone (46%), calcium hydroxide and epoxy-resin (11%).…”

Section: 5mentioning

confidence: 99%

An endodontic practice profile amongst general dental practitioners in Kathmandu: A questionnaire survey

Shrestha

Dahal

Karki

2014

J Coll Med Sci-Nepal

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ObjectiveTo investigate the endodontic practice profile of general dental practitioners.To explore the materials and methods employed by them in Kathmandu valley. To compare these findings with well acknowledged international academic standards. MethodsQuestionnaires with 18closed-ended questions were distributed among randomly chosen 120 general dental practitioners of Kathmandu, working in various government or private hospital or clinics.The data were collected and descriptive statistical analysis was done. ResultsOut of 120 questionnaires, only 110 that were completely filled were included in the study .Most general dental practitioners (97%) regularly did multi-rooted root canal treatments and followed multivisit root canal treatment.. Radiograph with instrument in canal was used by 80% of general dental practitioners to determine the working length while only 36% used electronic apex locator which is considered to be more reliable. Half of them (57%) used nickel-titanium files for cleaning and shaping but only 23% used crown down technique. Sodium hypochlorite and calcium hydroxide was the most popular irrigation solution and intra-canal medicament respectively. Majority of general dental practitioners (91%) used lateral compaction technique for root canal obturation. Sixty three percent used zinc oxide eugenol as root canal sealer and 46% used endomethasone. They seem to overuse antibiotics in cases requiring endodontic therapy. Only 48% used autoclave for sterilization of endodontic files while 86% never used rubber dam. Eight three percent of them felt the need of further endodontic training and 42% of them preferred post-graduate dental program. ConclusionThis study shows that the standard guidelines and new technologies for endodontic treatments are not implemented by many general dental practitioners of Kathmandu and require further endodontic trainings.

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Section: 5mentioning

confidence: 99%

An endodontic practice profile amongst general dental practitioners in Kathmandu: A questionnaire survey

Shrestha

Dahal

Karki

2014

J Coll Med Sci-Nepal

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“…The primary objective of the endodontic obturation in root canal treatment is to prevent the ingress of microorganisms or fluids, from both oral cavity or periapical area, and also refrain the growth of any residual bacteria left in the canal system (1)(2)(3)(4). An inadequate seal might result in contamination of the canal spaces, thus leading to periapical disease (1,2,4). The combination of gutta-percha with a layer of endodontic sealer is the most commonly used material for root canal obturations.…”

Section: Introductionmentioning

confidence: 99%

“…The success of endodontic therapy is directly related to the sealing of the root canal system, by means of a three-dimensional hermetic endodontic filling (1,2). The primary objective of the endodontic obturation in root canal treatment is to prevent the ingress of microorganisms or fluids, from both oral cavity or periapical area, and also refrain the growth of any residual bacteria left in the canal system (1)(2)(3)(4).…”

Section: Introductionmentioning

confidence: 99%

In vitro evaluation of carrier based obturation technique: a CBCT study

Gambarini

Piasecki

Schianchi

et al. 2016

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SummaryAim. The goal of the study was to compare the ability of two different carrier based obturation (CBO) techniques to reach working length and fill in threedimensions root canal systems, by using CBCT. Materials and Methods. Twenty-six extracted molars were scanned with CBCT and 40 curved canals were selected (between 30° and 90°) and divided in two similar groups (n=20). All canals were prepared up to size 25 taper .06 using nickel-titanium instrumentation. The canals in the Group SC were obturated using Soft-Core obturators (Kerr, Romulus, Mi, USA), while Group TH canals (n= 20) were obturated using Thermafil Endodontic Obturators (Tulsa Dental Products, Tulsa, OK, USA), strictly following manufacturers' instructions for use. The obturations were analyzed by means of CBCT to measure the distance from the apical limit of obturation to the apical foramen and the presence of voids inside root canals. Results. There was no significant difference between the two groups in the mean distance of the apical extent of the obturation (t test, p>0.05). Overfilling occurred in only 3 cases (2 in Group TH and 1 in Group SC). The percentages of voids in both groups were very low with no significant difference (Z test, p>0.05). Conclusions. The two tested CBO techniques showed similar positive results in terms of performance, even if, after checking with verifiers, in most cases the size of the selected Soft-Core obturator was one size smaller than Thermafil.

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“…EndoFill (Dentsply, Petrópolis, RJ, Brazil) is another conventional sealer, which is composed of zinc oxide-eugenol and offers a long time of use and good clinical performance 6,14 . The flow property of a sealer is related to its ability to penetrate into irregularities or ramifications of the main root canal and dentinal tubules 15 . This shows the importance of evaluating such property in the aforementioned sealers.…”

Section: Introductionmentioning

confidence: 99%