The Open Dentistry Journal




ISSN: 1874-2106 ― Volume 13, 2019

Collagen Hydrogel Scaffold and Fibroblast Growth Factor-2 Accelerate Periodontal Healing of Class II Furcation Defects in Dog



Takehito Momose, Hirofumi Miyaji*, Akihito Kato, Kosuke Ogawa, Takashi Yoshida, Erika Nishida, Syusuke Murakami, Yuta Kosen, Tsutomu Sugaya, Masamitsu Kawanami
Department of Periodontology and Endodontology, Hokkaido University Graduate School of Dental Medicine, N13 W7 Kita-ku Sapporo 060-8586 Japan

Abstract

Objective:

Collagen hydrogel scaffold exhibits bio-safe properties and facilitates periodontal wound healing. However, regenerated tissue volume is insufficient. Fibroblast growth factor-2 (FGF2) up-regulates cell behaviors and subsequent wound healing. We evaluated whether periodontal wound healing is promoted by application of collagen hydrogel scaffold in combination with FGF2 in furcation defects in beagle dogs.

Methods:

Collagen hydrogel was fabricated from bovine type I collagen with an ascorbate-copper ion cross-linking system. Collagen hydrogel was mingled with FGF2 and injected into sponge-form collagen. Subsequently, FGF2 (50 µg)/collagen hydrogel scaffold and collagen hydrogel scaffold alone were implanted into class II furcation defects in dogs. In addition, no implantation was performed as a control. Histometric parameters were assessed at 10 days and 4 weeks after surgery.

Result:

FGF2 application to scaffold promoted considerable cell and tissue ingrowth containing numerous cells and blood vessel-like structure at day 10. At 4 weeks, reconstruction of alveolar bone was stimulated by implantation of scaffold loaded with FGF2. Furthermore, periodontal attachment, consisting of cementum-like tissue, periodontal ligament-like tissue and Sharpey’s fibers, was also repaired, indicating that FGF2-loaded scaffold guided self-assembly and then re-established the function of periodontal organs. Aberrant healing, such as ankylosis and root resorption, was not observed.

Conclusion:

FGF2-loaded collagen hydrogel scaffold possessed excellent biocompatibility and strongly promoted periodontal tissue engineering, including periodontal attachment re-organization.

Keywords: Alveolar Bone Regeneration, Biomaterial, Periodontal Attachment, Periodontal Tissue Engineering.


Article Information


Identifiers and Pagination:

Year: 2016
Volume: 10
First Page: 347
Last Page: 359
Publisher Id: TODENTJ-10-347
DOI: 10.2174/1874210601610010347

Article History:

Received Date: 26/11/2015
Revision Received Date: 13/6/2016
Acceptance Date: 21/6/2016
Electronic publication date: 29/07/2016
Collection year: 2016

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© Momose et al.; Licensee Bentham Open

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution-Non-Commercial 4.0 International Public License (CC BY-NC 4.0) (https://creativecommons.org/licenses/by-nc/4.0/legalcode), which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.


* Address correspondence to this author at the Department of Periodontology and Endodontology, Hokkaido University Graduate School of Dental Medicine, N13 W7 Kita-ku Sapporo 060-8586 Japan; Tel: +81-11-706-4266; Fax: +81-11-706-4334; E-mail: miyaji@den.hokudai.ac.jp


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