Comparative analysis of viability, proliferation, and mineralization potential of human pulp and osteoblastic cells exposed to different bioceramic endodontic sealers

Q1 Medicine

Journal of oral biology and craniofacial research Pub Date : 2025-01-01 DOI:10.1016/j.jobcr.2025.01.008

Marcos Coelho Santiago , Gustavo Henrique de Oliveira Salles , Gustavo Gomes de Lima , Laudimar Alves de Oliveira , Loise Pedrosa Salles

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Abstract

Background

The present study aimed to compare the viability, proliferation, and mineralization potential of human dental pulp cells (hDPCs) and osteoblasts cell line (Saos-2) after exposure to AH Plus® Bioceramic (AHP-B), Bio-C® Sealer (BIO-C), NeoMTA Plus® (NEOMTA-P), and MTA-FILLAPEX® endodontic sealers (MTA-F).

Methods

All materials were prepared according to the manufacturer's instructions. Before exposing the cells, we measured the release of calcium ions (Ca²⁺) from the dental materials to the culture media once Ca²⁺ can trigger signaling pathways. After that, hDPCs and Saos-2 were exposed to the sealers for MTT assay to assess the cell viability and wound healing to evaluate the cell proliferation. To investigate the potential of mineralization, we assessed the alkaline phosphatase activity and calcium deposition by Alizarin red staining. Statistical analysis was performed using Two-way ANOVA for calcium release and wound healing assays and One-way ANOVA for other assays, with post-test Bonferroni correction. The results were significant when p < 0.05.

Results

The sealers released diverse concentrations of calcium at different times. The hDPCs viability and proliferation were low in the AHP-B group at 24h of exposure (NEOMTA-P ∼ BIO-C ∼ CT > AHP-B > MTA-F), distinct from the osteoblastic cells (NEOMTA-P ∼ AHP-B ∼ CT > BIO-C > MTA-F) and (proliferation: AHP-B > NEOMTA-P ∼ CT > BIO-C > MTA-F). The ALP activity, an early marker of osteogenesis, was higher in hDPCs exposed to NEOMTA-P, while the osteoblastic cells showed higher ALP when exposed to AHP-B.

Conclusion

AHP-B, NEOMTA-P, and BIO-C stimulated osteogenesis in hDPCs and Saos-2 cells, with marked differences between groups. AHP-B showed an improved early stimulation of osteoblastic cells, while hDPCs were more responsive to NEOMTA-P.

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来源期刊

Journal of oral biology and craniofacial research Medicine-Otorhinolaryngology

CiteScore

4.90

自引率

0.00%

发文量

133

审稿时长

167 days

期刊介绍： Journal of Oral Biology and Craniofacial Research (JOBCR)is the official journal of the Craniofacial Research Foundation (CRF). The journal aims to provide a common platform for both clinical and translational research and to promote interdisciplinary sciences in craniofacial region. JOBCR publishes content that includes diseases, injuries and defects in the head, neck, face, jaws and the hard and soft tissues of the mouth and jaws and face region; diagnosis and medical management of diseases specific to the orofacial tissues and of oral manifestations of systemic diseases; studies on identifying populations at risk of oral disease or in need of specific care, and comparing regional, environmental, social, and access similarities and differences in dental care between populations; diseases of the mouth and related structures like salivary glands, temporomandibular joints, facial muscles and perioral skin; biomedical engineering, tissue engineering and stem cells. The journal publishes reviews, commentaries, peer-reviewed original research articles, short communication, and case reports.