Evidence map›Paper›PMID 42814313›Full record

ArticleTissue engineering and regenerative medicine2026

Geometry-Dependent Osteogenic Performance of Demineralized Dentin Matrix as a Carrier for rhBMP-2.

Jin-Won Choi, In-Woong Um, Yeong Kon Jeong, Pil-Young Yun, Jeong-Kui Ku

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Article in Tissue engineering and regenerative medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Jin-Won ChoiDepartment of Oral and Maxillofacial Surgery, Section of Dentistry, Seoul National University Bundang Hospital, 300 Gumi-dong, Bundang-gu, Seongnam, Gyeonggi-do, 13620, Republic of Korea.
In-Woong UmR&D Institute, Korea Tooth Bank, Seoul, 06101, Republic of Korea.
Yeong Kon JeongDepartment of Oral and Maxillofacial Surgery, College of Dentistry, Wonkwang University, Iksan, 54538, Republic of Korea.
Pil-Young YunDepartment of Oral and Maxillofacial Surgery, Section of Dentistry, Seoul National University Bundang Hospital, 300 Gumi-dong, Bundang-gu, Seongnam, Gyeonggi-do, 13620, Republic of Korea. pilyoung@snu.ac.kr.ORCID http://orcid.org/0000-0001-6097-1229
Jeong-Kui KuDepartment of Oral and Maxillofacial Surgery, Section of Dentistry, Seoul National University Bundang Hospital, 300 Gumi-dong, Bundang-gu, Seongnam, Gyeonggi-do, 13620, Republic of Korea. kujk@snubh.org.ORCID http://orcid.org/0000-0003-1192-7066

Funding

Seoul National University Bundang Hospital Research Fund 02-2020-0008Seoul National University Bundang Hospital Research Fund 13-2025-0005
6 · The paper itself

Abstract

backgroundDemineralized dentin matrix (DDM) is a bioactive collagen-based scaffold with intrinsic osteoinductive properties and potential as a carrier for recombinant human bone morphogenetic protein-2 (rhBMP-2). However, the influence of DDM geometry on its osteogenic performance and carrier efficiency remains unclear. This study aimed to evaluate the geometry-dependent osteogenic efficacy of DDM and its role as an rhBMP-2 delivery system.

methodsDDM was prepared in particulate (300-800 µm) and block forms (root segments with drilled pores) and compared with an absorbable collagen sponge in a subcutaneous implantation model using nude mice. Each carrier was evaluated with no rhBMP-2 or with low-dose (1 µg) or high-dose (2 µg) rhBMP-2 at 2 and 4 weeks. New bone formation was assessed using micro-computed tomography and histological/histomorphometric analyses.

resultsBoth forms of DDM demonstrated intrinsic osteoinductive capacity, inducing ectopic bone formation without exogenous rhBMP-2, whereas collagen alone showed negligible bone formation. Particulate DDM exhibited greater bone formation than block DDM, with the difference reaching statistical significance by 4 weeks. The addition of rhBMP-2 enhanced early bone formation, particularly at 2 weeks; however, by 4 weeks, DDM alone achieved comparable outcomes. Notably, particulate DDM with low-dose rhBMP-2 produced bone formation comparable to or greater than that achieved with high-dose rhBMP-2 in collagen carriers. Histological findings confirmed that DDM provided sustained osteogenesis with direct bone formation on the scaffold surface, while collagen carriers exhibited peripheral bone formation due to rapid rhBMP-2 release.

conclusionDDM is an effective osteoinductive scaffold and a superior carrier for rhBMP-2 compared to collagen. Its osteogenic performance is geometry-dependent, with particulate DDM demonstrating enhanced bone regeneration. Importantly, DDM enables effective bone formation with reduced rhBMP-2 dosage, suggesting a safer and more efficient strategy for bone regeneration.

Indexed as

Bone morphogenetic proteinsDentinTissue scaffolds

Identifiers

PMID42814313

What Socratic holds

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.