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Purbantoro SD, Taephatthanasagon T, Purwaningrum M, Hirankanokchot T, Peralta S, Fiani N, Sawangmake C, Rattanapuchpong S. Trends of regenerative tissue engineering for oral and maxillofacial reconstruction in veterinary medicine. Front Vet Sci 2024; 11:1325559. [PMID: 38450027 PMCID: PMC10915013 DOI: 10.3389/fvets.2024.1325559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Accepted: 02/05/2024] [Indexed: 03/08/2024] Open
Abstract
Oral and maxillofacial (OMF) defects are not limited to humans and are often encountered in other species. Reconstructing significant tissue defects requires an excellent strategy for efficient and cost-effective treatment. In this regard, tissue engineering comprising stem cells, scaffolds, and signaling molecules is emerging as an innovative approach to treating OMF defects in veterinary patients. This review presents a comprehensive overview of OMF defects and tissue engineering principles to establish proper treatment and achieve both hard and soft tissue regeneration in veterinary practice. Moreover, bench-to-bedside future opportunities and challenges of tissue engineering usage are also addressed in this literature review.
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Affiliation(s)
- Steven Dwi Purbantoro
- Veterinary Stem Cell and Bioengineering Innovation Center (VSCBIC), Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
- Veterinary Stem Cell and Bioengineering Research Unit, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
| | - Teeanutree Taephatthanasagon
- Veterinary Stem Cell and Bioengineering Innovation Center (VSCBIC), Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
- Veterinary Stem Cell and Bioengineering Research Unit, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
| | - Medania Purwaningrum
- Veterinary Stem Cell and Bioengineering Innovation Center (VSCBIC), Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
- Veterinary Stem Cell and Bioengineering Research Unit, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
- Department of Biochemistry, Faculty of Veterinary Medicine, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Thanyathorn Hirankanokchot
- Veterinary Stem Cell and Bioengineering Innovation Center (VSCBIC), Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
| | - Santiago Peralta
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY, United States
| | - Nadine Fiani
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY, United States
| | - Chenphop Sawangmake
- Veterinary Stem Cell and Bioengineering Innovation Center (VSCBIC), Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
- Veterinary Stem Cell and Bioengineering Research Unit, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
- Department of Pharmacology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
- Center of Excellence in Regenerative Dentistry, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
| | - Sirirat Rattanapuchpong
- Veterinary Stem Cell and Bioengineering Innovation Center (VSCBIC), Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
- Veterinary Stem Cell and Bioengineering Research Unit, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
- Academic Affairs, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
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Wu C, Liu X, Zhang H, Zhang Q, Ding S, Jin S, Zheng X, Fu C, Han Q, Shen J, Xu J, Ye N, Jiang F, Wu T. Response of human periodontal ligament to orthodontic force using superb microvascular imaging. Am J Orthod Dentofacial Orthop 2022; 162:e257-e266. [PMID: 36089442 DOI: 10.1016/j.ajodo.2022.08.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 08/01/2022] [Accepted: 08/01/2022] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Remodeling of the periodontal ligament (PDL) during orthodontic tooth movement is closely related to the vascularity of the PDL, which has not been thoroughly investigated in humans. This study aimed to measure the width and vascular parameters of human PDL using superb microvascular imaging for the first time. METHODS Patients aged 18-25 years were selected for participation. The intervention was randomly allocated from the maxillary canines to the first molars on both sides using 50 g or 150 g of force. The width and vascular parameters of the PDL were measured using superb microvascular imaging at different time intervals (baseline, 30 minutes, and 1, 3, 7, and 14 days). RESULTS Before the intervention, the width of the PDL ranged from 0.14 to 0.25 mm, and the vascular index ranged from 9.40% to 13.54%. After applying orthodontic forces, the cervical and middle PDL widths increased. The vascular index decreased slightly in 30 minutes, decreased to a minimum value after 1 day, increased to the maximum in 3-7 days, and returned to baseline values in 14 days. The values of other vascular parameters showed similar trends. CONCLUSIONS The width and vascular parameters of the PDL changed slightly after force application, underwent changes in the period of reconstruction for 3-7 days, and eventually returned to baseline in 14 days.
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Affiliation(s)
- Chuan Wu
- Department of Orthodontics, School and Hospital of Stomatology, Anhui Medical University, Anhui Provincial Key Laboratory of Oral Diseases, Hefei, Anhui, China
| | - Xiaoyu Liu
- Department of Orthodontics, School and Hospital of Stomatology, Anhui Medical University, Anhui Provincial Key Laboratory of Oral Diseases, Hefei, Anhui, China
| | - Huan Zhang
- Department of Medical Ultrasound, the Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Qunyan Zhang
- Department of Orthodontics, School and Hospital of Stomatology, Anhui Medical University, Anhui Provincial Key Laboratory of Oral Diseases, Hefei, Anhui, China
| | - Siqi Ding
- Department of Orthodontics, School and Hospital of Stomatology, Anhui Medical University, Anhui Provincial Key Laboratory of Oral Diseases, Hefei, Anhui, China
| | - Shiyu Jin
- Department of Orthodontics, School and Hospital of Stomatology, Anhui Medical University, Anhui Provincial Key Laboratory of Oral Diseases, Hefei, Anhui, China
| | - Xiuyun Zheng
- Department of Orthodontics, School and Hospital of Stomatology, Anhui Medical University, Anhui Provincial Key Laboratory of Oral Diseases, Hefei, Anhui, China
| | - Chunfeng Fu
- Department of Orthodontics, School and Hospital of Stomatology, Anhui Medical University, Anhui Provincial Key Laboratory of Oral Diseases, Hefei, Anhui, China
| | - Quancheng Han
- Department of Orthodontics, School and Hospital of Stomatology, Anhui Medical University, Anhui Provincial Key Laboratory of Oral Diseases, Hefei, Anhui, China
| | - Jun Shen
- Department of Orthodontics, School and Hospital of Stomatology, Anhui Medical University, Anhui Provincial Key Laboratory of Oral Diseases, Hefei, Anhui, China
| | - Jianguang Xu
- Department of Orthodontics, School and Hospital of Stomatology, Anhui Medical University, Anhui Provincial Key Laboratory of Oral Diseases, Hefei, Anhui, China
| | | | - Fan Jiang
- Department of Medical Ultrasound, the Second Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China.
| | - Tingting Wu
- Department of Orthodontics, School and Hospital of Stomatology, Anhui Medical University, Anhui Provincial Key Laboratory of Oral Diseases, Hefei, Anhui, China.
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Inhibition of c-Jun N-terminal kinase signaling promotes osteoblastic differentiation of periodontal ligament stem cells and induces regeneration of periodontal tissues. Arch Oral Biol 2021; 134:105323. [PMID: 34896864 DOI: 10.1016/j.archoralbio.2021.105323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 10/31/2021] [Accepted: 11/23/2021] [Indexed: 11/24/2022]
Abstract
OBJECTIVES Few clinical treatments to regenerate periodontal tissue lost due to severe endodontic and periodontal disease have yet been developed. Therefore, the development of new treatment methods for the regeneration of periodontal tissue is expected. The purpose of this study was to investigate the effects of a c-Jun N-terminal kinase (JNK) inhibitor, SP600125, on the osteoblastic differentiation of periodontal ligament stem cells (PDLSCs) in vitro, and the function of SP600125 on the regeneration of alveolar bone in vivo. DESIGN Alizarin red S staining, quantitative RT-PCR, and western blotting analysis was performed to determine whether SP600125 affects osteoblastic differentiation of human PDLSCs (HPDLSCs) and bone-related intracellular signaling. The effect of SP600125 on the regeneration of alveolar bone was assessed by using a rat periodontal defect model. The healing of periodontal defects was evaluated using micro-CT scans and histological analysis. RESULTS SP600125 promoted the osteoblastic differentiation such as Alizarin red S-positive mineralized nodule formation and the expression of osteoblast-related genes in HPDLSCs under osteogenic conditions. In addition, this inhibitor upregulated the BMP2 expression and the phosphorylation of Smad1/5/8 in HPDLSCs under the same conditions. The inhibition of Smad1/5/8 signaling by LDN193189 suppressed the SP600125-induced osteoblastic differentiation of HPDLSCs. Furthermore, the application of SP600125 promoted the regeneration of not only alveolar bone but also PDL tissue in periodontal defects. CONCLUSION This study suggested that inhibition of JNK signaling promotes the osteoblastic differentiation of HPDLSCs through BMP2-Smad1/5/8 signaling, leading to the regeneration of periodontal tissues such as alveolar bone and PDL tissue.
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Tsai MT, Huang HL, Yang SG, Su KC, Fuh LJ, Hsu JT. Biomechanical analysis of occlusal modes on the periodontal ligament while orthodontic force applied. Clin Oral Investig 2021; 25:5661-5670. [PMID: 33665683 DOI: 10.1007/s00784-021-03868-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Accepted: 02/25/2021] [Indexed: 11/25/2022]
Abstract
OBJECTIVE The study objective was to investigate four common occlusal modes by using the finite element (FE) method and to conduct a biomechanical analysis of the periodontal ligament (PDL) and surrounding bone when orthodontic force is applied. MATERIALS AND METHODS A complete mandibular FE model including teeth and the PDL was established on the basis of cone-beam computed tomography images of an artificial mandible. In the FE model, the left and right mandibular first premolars were not modeled because both canines required distal movement. In addition, four occlusal modes were simulated: incisal clench (INC), intercuspal position (ICP), right unilateral molar clench (RMOL), and right group function (RGF). The effects of these four occlusal modes on the von Mises stress and strain of the canine PDLs and bone were analyzed. RESULTS Occlusal mode strongly influenced the distribution and value of von Mises strain in the canine PDLs. The maximum von Mises strain values on the canine PDLs were 0.396, 1.811, 0.398, and 1.121 for INC, ICP, RMOL, and RGF, respectively. The four occlusal modes had smaller effects on strain distribution in the cortical bone, cancellous bone, and miniscrews. CONCLUSION Occlusal mode strongly influenced von Mises strain on the canine PDLs when orthodontic force was applied. CLINICAL RELEVANCE When an FE model is used to analyze the biomechanical behavior of orthodontic treatments, the effect of muscle forces caused by occlusion must be considered.
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Affiliation(s)
- Ming-Tzu Tsai
- Department of Biomedical Engineering, Hungkuang University, Taichung, 433, Taiwan
| | - Heng-Li Huang
- School of Dentistry, College of Medicine, China Medical University, Taichung, 404, Taiwan
- Department of Bioinformatics and Medical Engineering, Asia University, Taichung, 413, Taiwan
| | - Shih-Guang Yang
- Master Program for Biomedical Engineering, China Medical University, Taichung, 404, Taiwan
| | - Kuo-Chih Su
- Department of Biomedical Engineering, Hungkuang University, Taichung, 433, Taiwan
- Department of Medical Research, Taichung Veterans General Hospital, Taichung, 407, Taiwan
| | - Lih-Jyh Fuh
- School of Dentistry, College of Medicine, China Medical University, Taichung, 404, Taiwan
- Department of Dentistry, China Medical University and Hospital, Taichung, 404, Taiwan
| | - Jui-Ting Hsu
- School of Dentistry, College of Medicine, China Medical University, Taichung, 404, Taiwan.
- Department of Bioinformatics and Medical Engineering, Asia University, Taichung, 413, Taiwan.
- School of Dentistry, College of Dentistry, China Medical University, 91 Hsueh-Shih Road, Taichung, 40402, Taiwan.
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Hamano S, Tomokiyo A, Hasegawa D, Yuda A, Sugii H, Yoshida S, Mitarai H, Wada N, Maeda H. Functions of beta2-adrenergic receptor in human periodontal ligament cells. J Cell Biochem 2020; 121:4798-4808. [PMID: 32115771 DOI: 10.1002/jcb.29706] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Accepted: 01/30/2020] [Indexed: 12/12/2022]
Abstract
Adrenergic receptors (ARs) are receptors of noradrenalin and adrenalin, of which there are nine different subtypes. In particular, β2 adrenergic receptor (β2-AR) is known to be related to the restoration and maintenance of homeostasis in bone and cardiac tissues; however, the functional role of signaling through β2-AR in periodontal ligament (PDL) tissue has not been fully examined. In this report, we investigated that β2-AR expression in PDL tissues and their features in PDL cells. β2-AR expressed in rat PDL tissues and human PDL cells (HPDLCs) derived from two different patients (HPDLCs-2G and -3S). Rat PDL tissue with occlusal loading showed high β2-AR expression, while its expression was downregulated in that without loading. In HPDLCs, β2-AR expression was increased exposed to stretch loading. The gene expression of PDL-related molecules was investigated in PDL clone cells (2-23 cells) overexpressing β2-AR. Their gene expression and intracellular cyclic adenosine monophosphate (cAMP) levels were also investigated in HPDLCs treated with a specific β2-AR agonist, fenoterol (FEN). Overexpression of β2-AR significantly promoted the gene expression of PDL-related molecules in 2 to 23 cells. FEN led to an upregulation in the expression of PDL-related molecules and increased intracellular cAMP levels in HPDLCs. In both HPDLCs, inhibition of cAMP signaling by using protein kinase A inhibitor suppressed the FEN-induced gene expression of α-smooth muscle actin. Our findings suggest that the occlusal force is important for β2-AR expression in PDL tissue and β2-AR is involved in fibroblastic differentiation and collagen synthesis of PDL cells. The signaling through β2-AR might be important for restoration and homeostasis of PDL tissue.
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Affiliation(s)
- Sayuri Hamano
- Division of Oral Rehabilitation, Department of Endodontology and Operative Dentistry, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
- Division of OBT Research Center, Kyushu University, Fukuoka, Japan
| | - Atsushi Tomokiyo
- Division of Endodontology, Kyushu University Hospital, Kyushu University, Fukuoka, Japan
| | - Daigaku Hasegawa
- Division of Endodontology, Kyushu University Hospital, Kyushu University, Fukuoka, Japan
| | - Asuka Yuda
- Division of General Dentistry, Kyushu University Hospital, Kyushu University, Fukuoka, Japan
| | - Hideki Sugii
- Division of Endodontology, Kyushu University Hospital, Kyushu University, Fukuoka, Japan
| | - Shinichiro Yoshida
- Division of Endodontology, Kyushu University Hospital, Kyushu University, Fukuoka, Japan
| | - Hiromi Mitarai
- Division of General Dentistry, Kyushu University Hospital, Kyushu University, Fukuoka, Japan
| | - Naohisa Wada
- Division of General Dentistry, Kyushu University Hospital, Kyushu University, Fukuoka, Japan
| | - Hidefumi Maeda
- Division of Oral Rehabilitation, Department of Endodontology and Operative Dentistry, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
- Division of Endodontology, Kyushu University Hospital, Kyushu University, Fukuoka, Japan
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Mandible Integrity and Material Properties of the Periodontal Ligament during Orthodontic Tooth Movement: A Finite-Element Study. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10082980] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
We used the finite-element method (FEM) to investigate the effects of jawbone model integrity and the material properties of the periodontal ligament (PDL) on orthodontic tooth movement. Medical imaging software and computer-aided design software were used to create finite-element models of a partial and complete mandibles based on dental cone beam computed tomography images of the human skull. Additionally, we exerted an orthodontic force on the canine crown in the direction of an orthodontic miniscrew under a lower molar root to compare the von Mises strain on the canine PDL in three models: a partial mandible model under orthodontic force (Model 1), a complete mandible model under orthodontic force (Model 2), and a complete mandible model under orthodontic force with clench occlusion in the intercuspal position (ICP; Model 3). Additionally, in the complete mandible model under orthodontic force with ICP occlusion, we analyzed the effects of a PDL with a low (Model 4), moderate (Model 5), and high (Model 6) linear elastic modulus and a PDL a bilinear elastic modulus (Model 7). The simulation results for mandible integrity indicated that the maximum von Mises strains on the canine PDL for Models 1, 2, and 3 were 0.461, 0.394, and 1.811, respectively. Moreover, for the models with different PDL material properties, the maximum von Mises strains on the canine PDLs for Models 4, 5, 6, and 7 were 6.047, 2.594, 0.887, and 1.811, respectively. When the FEM was used to evaluate tooth movement caused by orthodontic force, the transformation of a complete mandible model into a partial mandible model or alteration of the elastic modulus of the PDL influenced the biomechanical responses of the PDL. Additionally, the incorporation of daily ICP occlusion resulted in a larger effect.
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Szulakowski M, Mageed M, Steinberg T, Winter K, Gerlach K. Scintigraphic evaluation of cheek teeth in clinically sound horses. Vet Rec 2019; 185:481. [PMID: 31391285 DOI: 10.1136/vr.105459] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 07/11/2019] [Accepted: 07/11/2019] [Indexed: 11/04/2022]
Abstract
Dental disorders are one of the top-ranking clinical domains in equine practice. Scintigraphy has emerged as a useful diagnostic imaging modality for equine dental diseases. There is a paucity of the normal scintigraphic uptake and its correlation with age. This prospective, cross-sectional, descriptive and pilot-designed study aimed to describe the radioisotope uptake (RU) patterns of the reserved crown and periodontal bone of the maxillary and mandibular cheek teeth (CT) in clinically sound horses and to evaluate the age effect on RU. For this purpose, 60 horses that underwent a bone scintigraphy for reason unrelated to head were included and divided equally into four age groups. Regions of interests (ROIs) were positioned around alveolar and periodontal bone of each maxillary and mandibular CT including their reserve crown, and a reference ROI positioned at the mandibular ramus. The count per pixel of each ROI was measured using a dedicated software and the RU ratio relative to the reference region was calculated. The results showed that the maxillary and mandibular CT had a standard RU pattern, where it increased from rostral to caudal, and peaked in the middle of dental arcades and decreased slightly towards the last CT. The maxillary CT had a higher RU compared with the mandibular CT, and there was no significant difference in the maxillary and mandibular CT uptake between age groups. This information may aid veterinarians evaluating potentially abnormal dental scintigraphy.
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Affiliation(s)
- Marcin Szulakowski
- Tierklinik Lüsche GmbH, Bakum, Germany.,Pferdepraxis Niemendal, Rheinbach, Germany
| | | | | | - Karsten Winter
- Institute of Anatomy, University of Leipzig, Leipzig, Germany
| | - Kerstin Gerlach
- University Equine Hospital, University of Leipzig, Leipzig, Germany
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