Long-term evaluation of the influence of smear layer removal on the sealing ability of different sealers

Economides, Nikolaos; Liolios, Evagelos; Kolokuris, Ioannis; Beltes, Panagiotis

doi:10.1016/s0099-2399(99)80010-7

Cited by 113 publications

(95 citation statements)

References 12 publications

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“…Many studies have been conducted in an attempt to relate the presence or absence of smear layer and the success of endodontic therapy, such as Economides, et al 9 Behrend, et al 3 Sen, Wesselink and Turkun, 16 Dautel-Morazin, et al 7 Czonstkowsky, et al 6 Aun, et al 1 These authors observed that the presence of smear layer allows a higher rate of infiltration on the obturation, does not constitute a barrier against the penetration of bacteria inside the dentinal tubuli, and its removal by means of chelants provides more opened dentinal tubuli, with a cleaner surface for the achievement of a hermetic root canal obturation.…”

Section: Discussionmentioning

confidence: 99%

Influence of different auxiliary agents of biomechanical preparation in the filling of "artificially prepared" lateral canals

Silva

Moraes

2005

J. Appl. Oral Sci.

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RESUMOwww.fob.usp.br/revista or www.scielo.br/jaos he purpose of the present study was to evaluate the influence of some auxiliary agents of biomechanical preparation of the root canal on the filling of artificial lateral canals in extracted human teeth. A total of eighty single-rooted teeth were employed, which were submitted to preparation of three artificial lateral canals in one of the proximal aspects at the cervical, middle and apical thirds, besides one in the buccal aspect. The main canals were prepared by Profile 0.4 rotary instruments through the crown-down technique and irrigated with the irrigants investigated, as follows: Group A -1% sodium hypochlorite and final irrigation with trisodium EDTA for 5 minutes; Group B -Endogel (2% chlorhexidine gel); Group C -Endo PTC and Dakin , s solution and final irrigation with Tergentol-Furacin; and Group D -File Eze. The root canals were obturated by the Tagger's hybrid technique and then radiographed for assessment of the penetration rate of the filling materials in the lateral canals. Analysis of the results demonstrated no statistically significant difference (p<0.05) between the irrigants both to each other and as regards the location (thirds and aspects) of the artificial lateral canals. Uniterms: Endodontics; Lateral canals; Root canal, irrigation; Root canal, obturation. INFLUENCE OF DIFFERENT AUXILIARY AGENTS OF BIOMECHANICAL PREPARATION IN THE FILLING OF "ARTIFICIALLY PREPARED" LATERAL CANALS INFLUÊNCIA DE DIFERENTES AGENTES AUXILIARES DO PREPARO BIOMECÂNICO NA OBTURAÇÃO DE CANAIS LATERAIS ARTIFICIAISbjetivou-se avaliar a influência de alguns agentes auxiliares do preparo biomecânico do canal radicular, na obturação de canais laterais artificiais em dentes humanos extraídos. Foram utilizados oitenta dentes unirradiculados nos quais, previamente, foram confeccionados três canais laterais artificiais em uma das paredes proximais, nos terços cervical, médio e apical e um canal na parede vestibular. Os canais principais foram preparados com instrumentação rotatória, instrumentos Profile 0.4, pela técnica rotatória coroa-ápice e irrigados com a substância irrigadora estudada, sendo no grupo A -hipoclorito de sódio a 1% e irrigação final com EDTA trissódico por 5 minutos; grupo B -Endogel (gel de clorexidina a 2%); grupo C -Endo PTC e solução de Dakin e irrigação final com tergentol-furacin segundo a técnica de Paiva e Antoniazzi e no grupo D -File Eze. Os canais foram obturados pela técnica híbrida de Tagger e, então, radiografados para a análise das extensões de penetração dos materiais obturadores nos canais laterais. Após a análise dos resultados, conclui-se que não houve diferença estatística significante (p<0.05) entre as substâncias irrigadoras utilizadas quando comparadas entre si e nem entre os posicionamentos (terços e faces) dos canais laterais artificiais. Unitermos: Endodontia; Canais laterais; Irrigação do canal radicular; Obturação do canal radicular.

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Section: Discussionmentioning

confidence: 99%

Influence of different auxiliary agents of biomechanical preparation in the filling of "artificially prepared" lateral canals

Silva

Moraes

2005

J. Appl. Oral Sci.

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“…Epoxy resin-based root canal sealer also enhanced the adaptation of the root canal filling materials to the root dentin especially when smear layer was removed with EDTA 3,4) . The removal of smear layer improves the adaptation and binding of sealers on root canal walls, especially in the case of AH26 3) . Also in this study, the removal of the smear layer improved the quality of apical sealing.…”

Section: ⅳ Discussionmentioning

confidence: 99%

“…Therefore it acts as an intermediate physical barrier and may interfere with adaptation of obturation materials to prepared root canal surfaces and penetration of sealers into the irregularities of root canal system and dentinal tubules 2) . Several studies [3][4][5] reveal that the removal of smear layer with EDTA improved the quality of apical sealing when AH26 sealer (Dentsply, Konstanz, Germany) was used.…”

mentioning

confidence: 99%

Sealing ability of root canals obturated with gutta-percha, epoxy resin-based sealer, and dentin adhesives

Kim

Baek

Bae

2004

J Korean Acad Conserv Dent

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“…superficial debris and smear layer from root canal walls 4) . Studies 5,6) have shown a significant increase in adhesive strength and resistance to microleakage of AH26 sealer when the smear layer was removed. Gettleman et al 5) reported that they did not find any changes in adhesive strengths when Sultan and Sealapex sealers were evaluated with or without the smear layer intact.…”

Section: Department Of Conservative Dentistry Samsung Medical Centermentioning

confidence: 99%

“…Gettleman et al 5) reported that they did not find any changes in adhesive strengths when Sultan and Sealapex sealers were evaluated with or without the smear layer intact. Several investigators [6][7][8][9][10][11][12] have shown less dye leakage after removal of the smear layer, with various obturation techniques and root canal sealers.…”

Section: Department Of Conservative Dentistry Samsung Medical Centermentioning

confidence: 99%

The effect of MTAD on the apical leakage of obturated root canals: an electrochemical study

Park

2006

J Korean Acad Conserv Dent

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Long-term evaluation of the influence of smear layer removal on the sealing ability of different sealers

Cited by 113 publications

References 12 publications

Influence of different auxiliary agents of biomechanical preparation in the filling of "artificially prepared" lateral canals

Influence of different auxiliary agents of biomechanical preparation in the filling of "artificially prepared" lateral canals

Sealing ability of root canals obturated with gutta-percha, epoxy resin-based sealer, and dentin adhesives

The effect of MTAD on the apical leakage of obturated root canals: an electrochemical study

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