A prospective randomized clinical trial and an in vitro evaluation of the microtensile bond strength of a chlorhexidine-containing dentin bonding agent and a bulk fill composite material in primary teeth
Abstract Objectives This study aimed to assess the microtensile bond strength of a chlorhexidine-containing dentin bonding agent compared with a standard adhesive, and to investigate its clinical success in Class II cavities in primary teeth, with a 12-month follow-up. Materials and methods The stud...
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2025-04-01
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| Series: | BMC Oral Health |
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| Online Access: | https://doi.org/10.1186/s12903-025-05960-0 |
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| author | Hülya Altıntop Hasibe Elif Kuru Fahinur Ertuğrul Murat Türkün Ebru Küçükyılmaz |
| author_facet | Hülya Altıntop Hasibe Elif Kuru Fahinur Ertuğrul Murat Türkün Ebru Küçükyılmaz |
| author_sort | Hülya Altıntop |
| collection | DOAJ |
| description | Abstract Objectives This study aimed to assess the microtensile bond strength of a chlorhexidine-containing dentin bonding agent compared with a standard adhesive, and to investigate its clinical success in Class II cavities in primary teeth, with a 12-month follow-up. Materials and methods The study consisted of two parts: a prospective, single-blind, split-mouth randomized controlled clinical trial and an in vitro laboratory evaluation. Ethical approval were obtained for the both parts of the study. Forty pediatric patients (aged 5–9 years) with primary molars requiring Class II restorations were included in the clinical trial, where bulk-fill restorations bonded with a chlorhexidine-containing adhesive and a standard adhesive were evaluated based on FDI criteria at 3-month intervals for 12 months. he in vitro study examined the microtensile bond strength (µTBS) of immediate and thermally aged specimens prepared with bulk-fill composite materials and adhesives with or without chlorhexidine.The data were analyzed using Mann Whitney U test for in-vivo, ANOVA test followed by Tukey’s post hoc and Chi-square test for in-vitro study (p = 0.05). Results Clinically, both adhesives showed similar success rates (%100) across all FDI evaluation parameters after 12 months (p > 0.05). The chlorhexidine-containing adhesive demonstrated significantly higher microtensile bond strength than the standard adhesive in both immediate and aged samples (p < 0.05). Conclusions The chlorhexidine-containing adhesive showed promising clinical success and improved bond strength compared to the standard adhesive. Longer follow-ups are needed to confirm its long-term durability.“Incorporating chlorhexidine simplifies restorative procedures without compromising performance. Clinical Relevance Chlorhexidine-containing adhesives may improve bond durability and procedural efficiency in pediatric dentistry, offering a practical and effective alternative for restoring primary molars. Trial registration Invivo part of the study was registered in a public trial registry, www.clinicaltrials.gov (#NCT06257108). Registration Date 2nd. May 2024 (Retrospectively registered). |
| format | Article |
| id | doaj-art-4307d1d9fefd48b096aabd9a4ec10279 |
| institution | DOAJ |
| issn | 1472-6831 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | BMC |
| record_format | Article |
| series | BMC Oral Health |
| spelling | doaj-art-4307d1d9fefd48b096aabd9a4ec102792025-08-20T03:18:39ZengBMCBMC Oral Health1472-68312025-04-0125111510.1186/s12903-025-05960-0A prospective randomized clinical trial and an in vitro evaluation of the microtensile bond strength of a chlorhexidine-containing dentin bonding agent and a bulk fill composite material in primary teethHülya Altıntop0Hasibe Elif Kuru1Fahinur Ertuğrul2Murat Türkün3Ebru Küçükyılmaz4Faculty of Dentistry, Department of Pediatric Dentistry, İzmir Katip Çelebi UniversityFaculty of Dentistry, Department of Pediatric Dentistry, Uşak UniversityFaculty of Dentistry, Department of Pediatric Dentistry, Ege UniversityFaculty of Dentistry, Department of Restorative Dentistry, Ege UniversityFaculty of Dentistry, Department of Pediatric Dentistry, İzmir Katip Çelebi UniversityAbstract Objectives This study aimed to assess the microtensile bond strength of a chlorhexidine-containing dentin bonding agent compared with a standard adhesive, and to investigate its clinical success in Class II cavities in primary teeth, with a 12-month follow-up. Materials and methods The study consisted of two parts: a prospective, single-blind, split-mouth randomized controlled clinical trial and an in vitro laboratory evaluation. Ethical approval were obtained for the both parts of the study. Forty pediatric patients (aged 5–9 years) with primary molars requiring Class II restorations were included in the clinical trial, where bulk-fill restorations bonded with a chlorhexidine-containing adhesive and a standard adhesive were evaluated based on FDI criteria at 3-month intervals for 12 months. he in vitro study examined the microtensile bond strength (µTBS) of immediate and thermally aged specimens prepared with bulk-fill composite materials and adhesives with or without chlorhexidine.The data were analyzed using Mann Whitney U test for in-vivo, ANOVA test followed by Tukey’s post hoc and Chi-square test for in-vitro study (p = 0.05). Results Clinically, both adhesives showed similar success rates (%100) across all FDI evaluation parameters after 12 months (p > 0.05). The chlorhexidine-containing adhesive demonstrated significantly higher microtensile bond strength than the standard adhesive in both immediate and aged samples (p < 0.05). Conclusions The chlorhexidine-containing adhesive showed promising clinical success and improved bond strength compared to the standard adhesive. Longer follow-ups are needed to confirm its long-term durability.“Incorporating chlorhexidine simplifies restorative procedures without compromising performance. Clinical Relevance Chlorhexidine-containing adhesives may improve bond durability and procedural efficiency in pediatric dentistry, offering a practical and effective alternative for restoring primary molars. Trial registration Invivo part of the study was registered in a public trial registry, www.clinicaltrials.gov (#NCT06257108). Registration Date 2nd. May 2024 (Retrospectively registered).https://doi.org/10.1186/s12903-025-05960-0ChlorhexidineDentin bondingMicrotensile bond strengthPrimary molarsClass II restorationClinical study |
| spellingShingle | Hülya Altıntop Hasibe Elif Kuru Fahinur Ertuğrul Murat Türkün Ebru Küçükyılmaz A prospective randomized clinical trial and an in vitro evaluation of the microtensile bond strength of a chlorhexidine-containing dentin bonding agent and a bulk fill composite material in primary teeth BMC Oral Health Chlorhexidine Dentin bonding Microtensile bond strength Primary molars Class II restoration Clinical study |
| title | A prospective randomized clinical trial and an in vitro evaluation of the microtensile bond strength of a chlorhexidine-containing dentin bonding agent and a bulk fill composite material in primary teeth |
| title_full | A prospective randomized clinical trial and an in vitro evaluation of the microtensile bond strength of a chlorhexidine-containing dentin bonding agent and a bulk fill composite material in primary teeth |
| title_fullStr | A prospective randomized clinical trial and an in vitro evaluation of the microtensile bond strength of a chlorhexidine-containing dentin bonding agent and a bulk fill composite material in primary teeth |
| title_full_unstemmed | A prospective randomized clinical trial and an in vitro evaluation of the microtensile bond strength of a chlorhexidine-containing dentin bonding agent and a bulk fill composite material in primary teeth |
| title_short | A prospective randomized clinical trial and an in vitro evaluation of the microtensile bond strength of a chlorhexidine-containing dentin bonding agent and a bulk fill composite material in primary teeth |
| title_sort | prospective randomized clinical trial and an in vitro evaluation of the microtensile bond strength of a chlorhexidine containing dentin bonding agent and a bulk fill composite material in primary teeth |
| topic | Chlorhexidine Dentin bonding Microtensile bond strength Primary molars Class II restoration Clinical study |
| url | https://doi.org/10.1186/s12903-025-05960-0 |
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