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Kim HY, Cooley V, Kim EJ, Li S, Lee JM, Sheyfer D, Liu W, Klein OD, Joester D, Jung HS. Adult dental epithelial stem cell-derived organoids deposit hydroxylapatite biomineral. Int J Oral Sci 2023; 15:55. [PMID: 38062012 PMCID: PMC10703793 DOI: 10.1038/s41368-023-00257-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 11/02/2023] [Accepted: 11/02/2023] [Indexed: 12/18/2023] Open
Abstract
Ameloblasts are specialized cells derived from the dental epithelium that produce enamel, a hierarchically structured tissue comprised of highly elongated hydroxylapatite (OHAp) crystallites. The unique function of the epithelial cells synthesizing crystallites and assembling them in a mechanically robust structure is not fully elucidated yet, partly due to limitations with in vitro experimental models. Herein, we demonstrate the ability to generate mineralizing dental epithelial organoids (DEOs) from adult dental epithelial stem cells (aDESCs) isolated from mouse incisor tissues. DEOs expressed ameloblast markers, could be maintained for more than five months (11 passages) in vitro in media containing modulators of Wnt, Egf, Bmp, Fgf and Notch signaling pathways, and were amenable to cryostorage. When transplanted underneath murine kidney capsules, organoids produced OHAp crystallites similar in composition, size, and shape to mineralized dental tissues, including some enamel-like elongated crystals. DEOs are thus a powerful in vitro model to study mineralization process by dental epithelium, which can pave the way to understanding amelogenesis and developing regenerative therapy of enamel.
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Affiliation(s)
| | - Victoria Cooley
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL, USA
- X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, Lemont, IL, USA
| | - Eun-Jung Kim
- Division in Anatomy and Developmental Biology, Department of Oral Biology, Oral Science Research Center, BK21 FOUR Project, Yonsei University College of Dentistry, Seoul, Korea
| | - Shujin Li
- Division in Anatomy and Developmental Biology, Department of Oral Biology, Oral Science Research Center, BK21 FOUR Project, Yonsei University College of Dentistry, Seoul, Korea
| | - Jong-Min Lee
- Division in Anatomy and Developmental Biology, Department of Oral Biology, Oral Science Research Center, BK21 FOUR Project, Yonsei University College of Dentistry, Seoul, Korea
| | - Dina Sheyfer
- X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, Lemont, IL, USA
| | - Wenjun Liu
- X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, Lemont, IL, USA
| | - Ophir D Klein
- Department of Orofacial Sciences and Program in Craniofacial Biology, University of California, San Francisco, CA, USA
- Department of Pediatrics, Cedars-Sinai Guerin Children's, Los Angeles, CA, USA
| | - Derk Joester
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL, USA
| | - Han-Sung Jung
- Division in Anatomy and Developmental Biology, Department of Oral Biology, Oral Science Research Center, BK21 FOUR Project, Yonsei University College of Dentistry, Seoul, Korea.
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Taban M, Fatemi A, Soleimani M, Sajedi SM, Sabzevari B. Risk factors associated with implant sites prepared by orthodontic treatment: a systematic review. Eur J Transl Myol 2023; 33:11727. [PMID: 37990970 PMCID: PMC10811641 DOI: 10.4081/ejtm.2023.11727] [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: 09/08/2023] [Accepted: 10/04/2023] [Indexed: 11/23/2023] Open
Abstract
The patient's health and quality of life would probably be improved with dental implant. This study aimed to evaluate the risk factors associated with dental implants place by orthodontic treatment. In this study, information on risk factors associated with implants of sites prepared, radiology stereotypes and hospitalized were obtined from databases such as Scopus, Google scholar and PubMed, and 58 articles were included for this purpose. After analyzing the articles, 24 articles were not accepted and 34 articles were accepted, then, 16 articles were miscarriage and 18 articles were scientific sources. The results showed that orthodontic treatment has a significant effect on a person's sense of beauty and would possibly increase self-confidence and quality of life. The stability of the implant in the healing phase depends on the quality and quantity of the bone. Also, the width of the bone is one of the important issues in creating a successful treatment. When an implant fails, problems and symptoms of failure usually occur within the first year after surgery. After one year, there is only about a 1% chance of failure, and on average only 1% of all implants fail each year.
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Affiliation(s)
- Mohsen Taban
- Department of Periodontics, Borujerd Branch, Islamic Azad University, Borujerd.
| | | | - Milad Soleimani
- Department of Orthodontics, School of Dentistry, Alborz University of Medical Sciences, Karaj.
| | - Seyed Masoud Sajedi
- Department of Oral and Maxillofacial Medicine, Faculty of Dentistry, Shahed University, Tehran.
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