Comparing nanoleakage between class II bulkfill and incremental composite restorations using snowplow technique

Purpose: To compare the nanoleakage between bulkfill and incremental-fill resin composites in class II slot preparations for primary and permanent teeth restored by the snowplow technique. Materials and Methods: Class II slots were prepared in 32 M (16 exfoliated/extracted primary and 16 permanent m...

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Main Authors: Amel M. Ali, Dawlat Mostafa, Amal Sakr, Maha El Tantawi, Hoda Abellatif, Mona A. Elkateb
Format: Article
Language:English
Published: Springer 2023-01-01
Series:Saudi Dental Journal
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Online Access:http://www.sciencedirect.com/science/article/pii/S1013905222001675
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author Amel M. Ali
Dawlat Mostafa
Amal Sakr
Maha El Tantawi
Hoda Abellatif
Mona A. Elkateb
author_facet Amel M. Ali
Dawlat Mostafa
Amal Sakr
Maha El Tantawi
Hoda Abellatif
Mona A. Elkateb
author_sort Amel M. Ali
collection DOAJ
description Purpose: To compare the nanoleakage between bulkfill and incremental-fill resin composites in class II slot preparations for primary and permanent teeth restored by the snowplow technique. Materials and Methods: Class II slots were prepared in 32 M (16 exfoliated/extracted primary and 16 permanent molars). Optibond All-InOne self-etching adhesive was applied and cured. A flowable composite, Premise, was then injected into the gingival seat without curing using the snowplow technique. Cavities were restored using Sonicfill/bulkfill or microhybrid Herculite composites. Energy dispersive X-ray spectrometry was used to assess nanoleakage as silver deposition percentages along the axial and cervical walls. Multivariate analysis of variance was used to assess the effect of tooth type (primary and permanent teeth) and placement technique (bulkfill and incremental techniques) on nanoleakage at the axial and cervical walls. Results: Bulkfill restorations had significantly greater nanoleakage than incremental restorations at the cervical walls in primary and permanent molars (mean = 1.21 vs 0.49 in primary molars and 0.76 vs 0.24 in permanent molars). Equivalent results were observed at the axial walls of the restorations (mean = 0.66 vs 0.14 in primary molars and 0.28 vs 0.08 in permanent molars, with a P value of<0.001). Conclusions: Less nanoleakage was observed in class II slot/snowplow resin–composite restorations using the incremental technique compared to bulkfill in both dentitions. However, greater nanoleakage was detected on the cervical walls when compared with the axial walls.
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spelling doaj-art-5ede2d660bf84c6dbe3fd51686f43c7d2025-08-20T03:49:16ZengSpringerSaudi Dental Journal1013-90522023-01-01351465210.1016/j.sdentj.2022.12.005Comparing nanoleakage between class II bulkfill and incremental composite restorations using snowplow techniqueAmel M. Ali0Dawlat Mostafa1Amal Sakr2Maha El Tantawi3Hoda Abellatif4Mona A. Elkateb5Pediatric Dentistry, Department of Pediatric Dentistry and Dental Public Health, Faculty of Dentistry, Alexandria University, Egypt and Collage of Dentistry, Princess Nourah bint Abdulrahman University Saudi Arabia; Corresponding author.Dental Biomaterials, Faculty of Dentistry, Alexandria University, Egypt and College of Dentistry, The Arab Academy for Science and Technology and Maritime Transport (AASTMT), El-Alamein, EgyptOperative Dentistry, College of Dentistry, the Arab Academy for Science and Technology and Maritime Transport (AASTMT), El-Alamein, EgyptDental Public Health, Department of Pediatric Dentistry and Dental Public Health, Faculty of Dentistry, Alexandria University, EgyptDepartment Preventive Dental Sciences, College of Dentistry, Princess Nourah bint Abdulrahman University, Saudi Arabia, and Adjunct Professor, public health, College of Dentistry, Texas A&M University,Dallas, Texas, USAPediatric Dentistry, Department of preventive Dental Sciences, Collage of Dentistry, Princess Nourah bint Abdulrahman University, Saudi Arabia and Faculty of Dentistry, Alexandria University, EgyptPurpose: To compare the nanoleakage between bulkfill and incremental-fill resin composites in class II slot preparations for primary and permanent teeth restored by the snowplow technique. Materials and Methods: Class II slots were prepared in 32 M (16 exfoliated/extracted primary and 16 permanent molars). Optibond All-InOne self-etching adhesive was applied and cured. A flowable composite, Premise, was then injected into the gingival seat without curing using the snowplow technique. Cavities were restored using Sonicfill/bulkfill or microhybrid Herculite composites. Energy dispersive X-ray spectrometry was used to assess nanoleakage as silver deposition percentages along the axial and cervical walls. Multivariate analysis of variance was used to assess the effect of tooth type (primary and permanent teeth) and placement technique (bulkfill and incremental techniques) on nanoleakage at the axial and cervical walls. Results: Bulkfill restorations had significantly greater nanoleakage than incremental restorations at the cervical walls in primary and permanent molars (mean = 1.21 vs 0.49 in primary molars and 0.76 vs 0.24 in permanent molars). Equivalent results were observed at the axial walls of the restorations (mean = 0.66 vs 0.14 in primary molars and 0.28 vs 0.08 in permanent molars, with a P value of<0.001). Conclusions: Less nanoleakage was observed in class II slot/snowplow resin–composite restorations using the incremental technique compared to bulkfill in both dentitions. However, greater nanoleakage was detected on the cervical walls when compared with the axial walls.http://www.sciencedirect.com/science/article/pii/S1013905222001675Resin-based compositeSnowplow techniqueBulkfillIncremental techniqueSelf-etching dental adhesiveNanoleakage
spellingShingle Amel M. Ali
Dawlat Mostafa
Amal Sakr
Maha El Tantawi
Hoda Abellatif
Mona A. Elkateb
Comparing nanoleakage between class II bulkfill and incremental composite restorations using snowplow technique
Saudi Dental Journal
Resin-based composite
Snowplow technique
Bulkfill
Incremental technique
Self-etching dental adhesive
Nanoleakage
title Comparing nanoleakage between class II bulkfill and incremental composite restorations using snowplow technique
title_full Comparing nanoleakage between class II bulkfill and incremental composite restorations using snowplow technique
title_fullStr Comparing nanoleakage between class II bulkfill and incremental composite restorations using snowplow technique
title_full_unstemmed Comparing nanoleakage between class II bulkfill and incremental composite restorations using snowplow technique
title_short Comparing nanoleakage between class II bulkfill and incremental composite restorations using snowplow technique
title_sort comparing nanoleakage between class ii bulkfill and incremental composite restorations using snowplow technique
topic Resin-based composite
Snowplow technique
Bulkfill
Incremental technique
Self-etching dental adhesive
Nanoleakage
url http://www.sciencedirect.com/science/article/pii/S1013905222001675
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