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Kondo T, Kanayama K, Egusa H, Nishimura I. Current perspectives of residual ridge resorption: Pathological activation of oral barrier osteoclasts. J Prosthodont Res 2023; 67:12-22. [PMID: 35185111 DOI: 10.2186/jpr.jpr_d_21_00333] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
PURPOSE Tooth extraction is a last resort treatment for resolving pathological complications of dentition induced by infection and injury. Although the extraction wound generally heals uneventfully, resulting in the formation of an edentulous residual ridge, some patients experience long-term and severe residual ridge reduction. The objective of this review was to provide a contemporary understanding of the molecular and cellular mechanisms that may potentially cause edentulous jawbone resorption. STUDY SELECTION Clinical, in vivo, and in vitro studies related to the characterization of and cellular and molecular mechanisms leading to residual ridge resorption. RESULTS The alveolar processes of the maxillary and mandibular bones uniquely juxtapose the gingival tissue. The gingival oral mucosa is an active barrier tissue that maintains homeostasis of the internal organs through its unique barrier immunity. Tooth extraction not only generates a bony socket but also injures oral barrier tissue. In response to wounding, the alveolar bone socket initiates regeneration and remodeling through coupled bone formation and osteoclastic resorption. Osteoclasts are also found on the external surface of the alveolar bone, interfacing the oral barrier tissue. Osteoclasts in the oral barrier region are not coupled with osteoblastic bone formation and often remain active long after the completion of wound healing, leading to a net decrease in the alveolar bone structure. CONCLUSIONS The novel concept of oral barrier osteoclasts may provide important clues for future clinical strategies to maintain residual ridges for successful prosthodontic and restorative therapies.
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Affiliation(s)
- Takeru Kondo
- Weintraub Center for Reconstructive Biotechnology, UCLA School of Dentistry, Los Angeles, CA, USA.,Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, Sendai, Japan
| | - Keiichi Kanayama
- Weintraub Center for Reconstructive Biotechnology, UCLA School of Dentistry, Los Angeles, CA, USA.,Department of Periodontology, Division of Oral Infections and Health Science, Asahi University School of Dentistry, Gifu, Japan
| | - Hiroshi Egusa
- Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry, Sendai, Japan
| | - Ichiro Nishimura
- Weintraub Center for Reconstructive Biotechnology, UCLA School of Dentistry, Los Angeles, CA, USA
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Gaudet C, Odet S, Meyer C, Chatelain B, Weber E, Parmentier AL, Derruau S, Laurence S, Mauprivez C, Brenet E, Kerdjoudj H, Fenelon M, Fricain JC, Zwetyenga N, Hoarau D, Curien R, Gerard E, Louvrier A, Gindraux F. Reporting Criteria for Clinical Trials on Medication-Related Osteonecrosis of the Jaw (MRONJ): A Review and Recommendations. Cells 2022; 11:4097. [PMID: 36552861 PMCID: PMC9777472 DOI: 10.3390/cells11244097] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 12/01/2022] [Accepted: 12/12/2022] [Indexed: 12/24/2022] Open
Abstract
Medication-related osteonecrosis of the jaw (MRONJ) is a complication caused by anti-resorptive agents and anti-angiogenesis drugs. Since we wanted to write a protocol for a randomized clinical trial (RCT), we reviewed the literature for the essential information needed to estimate the size of the active patient population and measure the effects of therapeutics. At the same time, we designed a questionnaire intended for clinicians to collect detailed information about their practices. Twelve essential criteria and seven additional items were identified and compiled from 43 selected articles. Some of these criteria were incorporated in the questionnaire coupled with data on clinical practices. Our review found extensive missing data and a lack of consensus. For example, the success rate often combined MRONJ stages, diseases, and drug treatments. The occurrence date and evaluation methods were not harmonized or quantitative enough. The primary and secondary endpoints, failure definition, and date coupled to bone measurements were not well established. This information is critical for writing a RCT protocol. With this review article, we aim to encourage authors to contribute all their findings in the field to bridge the current knowledge gap and provide a stronger database for the coming years.
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Affiliation(s)
- Camille Gaudet
- Service de Chirurgie Maxillo-Faciale, Stomatologie et Odontologie Hospitalière, CHU Besançon, F-25000 Besançon, France; (C.G.); (S.O.); (C.M.); (B.C.); (E.W.); (A.L.)
| | - Stephane Odet
- Service de Chirurgie Maxillo-Faciale, Stomatologie et Odontologie Hospitalière, CHU Besançon, F-25000 Besançon, France; (C.G.); (S.O.); (C.M.); (B.C.); (E.W.); (A.L.)
| | - Christophe Meyer
- Service de Chirurgie Maxillo-Faciale, Stomatologie et Odontologie Hospitalière, CHU Besançon, F-25000 Besançon, France; (C.G.); (S.O.); (C.M.); (B.C.); (E.W.); (A.L.)
- Laboratoire de Nanomédecine, Imagerie, Thérapeutique EA 4662, Université Bourgogne Franche-Comté, F-25000 Besançon, France
| | - Brice Chatelain
- Service de Chirurgie Maxillo-Faciale, Stomatologie et Odontologie Hospitalière, CHU Besançon, F-25000 Besançon, France; (C.G.); (S.O.); (C.M.); (B.C.); (E.W.); (A.L.)
| | - Elise Weber
- Service de Chirurgie Maxillo-Faciale, Stomatologie et Odontologie Hospitalière, CHU Besançon, F-25000 Besançon, France; (C.G.); (S.O.); (C.M.); (B.C.); (E.W.); (A.L.)
| | - Anne-Laure Parmentier
- Unité de Méthodologie, INSERM Centre d’Investigation Clinique 1431, CHU Besançon, F-25000 Besançon, France;
| | - Stéphane Derruau
- Pôle Médecine Bucco-Dentaire, Hôpital Maison Blanche, CHU Reims, F-51092 Reims, France; (S.D.); (S.L.); (C.M.)
- Laboratoire BioSpecT EA-7506, UFR de Pharmacie, Université de Reims Champagne-Ardenne, F-51100 Reims, France
| | - Sébastien Laurence
- Pôle Médecine Bucco-Dentaire, Hôpital Maison Blanche, CHU Reims, F-51092 Reims, France; (S.D.); (S.L.); (C.M.)
- Biomatériaux et Inflammation en Site Osseux, Pôle Santé, URCA, HERVI EA3801 UFR de Médecine, Université de Reims Champagne Ardenne, F-51100 Reims, France
| | - Cédric Mauprivez
- Pôle Médecine Bucco-Dentaire, Hôpital Maison Blanche, CHU Reims, F-51092 Reims, France; (S.D.); (S.L.); (C.M.)
- Biomatériaux et Inflammation en Site Osseux, Pôle Santé, URCA, BIOS EA 4691, Université de Reims Champagne Ardenne, F-51100 Reims, France;
- UFR d’Odontologie, Université de Reims Champagne Ardenne, F-51100 Reims, France
| | - Esteban Brenet
- Service d’ORL et Chirurgie Cervico-Faciale, CHU Reims, F-51092 Reims, France;
| | - Halima Kerdjoudj
- Biomatériaux et Inflammation en Site Osseux, Pôle Santé, URCA, BIOS EA 4691, Université de Reims Champagne Ardenne, F-51100 Reims, France;
- UFR d’Odontologie, Université de Reims Champagne Ardenne, F-51100 Reims, France
| | - Mathilde Fenelon
- CHU Bordeaux, Dentistry and Oral Health Department, F-33404 Bordeaux, France; (M.F.); (J.-C.F.)
- INSERM U1026, University of Bordeaux, Tissue Bioengineering (BioTis), F-33076 Bordeaux, France
| | - Jean-Christophe Fricain
- CHU Bordeaux, Dentistry and Oral Health Department, F-33404 Bordeaux, France; (M.F.); (J.-C.F.)
- INSERM U1026, University of Bordeaux, Tissue Bioengineering (BioTis), F-33076 Bordeaux, France
| | - Narcisse Zwetyenga
- Chirurgie Maxillo-Faciale-Stomatologie-Chirurgie Plastique Réparatrice et Esthétique-Chirurgie de La main, CHU Dijon, F-21079 Dijon, France; (N.Z.); (D.H.)
| | - David Hoarau
- Chirurgie Maxillo-Faciale-Stomatologie-Chirurgie Plastique Réparatrice et Esthétique-Chirurgie de La main, CHU Dijon, F-21079 Dijon, France; (N.Z.); (D.H.)
| | - Rémi Curien
- Service d’Odontologie, CHR Metz-Thionville, F-57530 Thionville, France; (R.C.); (E.G.)
| | - Eric Gerard
- Service d’Odontologie, CHR Metz-Thionville, F-57530 Thionville, France; (R.C.); (E.G.)
| | - Aurélien Louvrier
- Service de Chirurgie Maxillo-Faciale, Stomatologie et Odontologie Hospitalière, CHU Besançon, F-25000 Besançon, France; (C.G.); (S.O.); (C.M.); (B.C.); (E.W.); (A.L.)
- INSERM, EFS BFC, UMR1098, RIGHT Interactions Greffon-Hôte-Tumeur/Ingénierie Cellulaire et Génique, Université Bourgogne Franche-Comté, F-25000 Besançon, France
| | - Florelle Gindraux
- Service de Chirurgie Maxillo-Faciale, Stomatologie et Odontologie Hospitalière, CHU Besançon, F-25000 Besançon, France; (C.G.); (S.O.); (C.M.); (B.C.); (E.W.); (A.L.)
- Laboratoire de Nanomédecine, Imagerie, Thérapeutique EA 4662, Université Bourgogne Franche-Comté, F-25000 Besançon, France
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Progress and Current Status in Hajdu-Cheney Syndrome with Focus on Novel Genetic Research. Int J Mol Sci 2022; 23:ijms231911374. [PMID: 36232677 PMCID: PMC9570194 DOI: 10.3390/ijms231911374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 09/16/2022] [Accepted: 09/19/2022] [Indexed: 12/02/2022] Open
Abstract
Hajdu-Cheney syndrome (HCS) is a rare autosomal dominant manifestation of a congenital genetic disorder caused by a mutation in the NOTCH2 gene. NOTCH signaling has variations from NOTCH 1 to 4 and maintains homeostasis by determining and regulating the proliferation and differentiation of various cells. In HCS, the over-accumulated NOTCH2 causes abnormal bone resorption due to its continuous excessive signaling. HCS is characterized by progressive bone destruction, has complex wide-range clinical manifestations, and significantly impacts the patient’s quality of life. However, no effective treatment has been established for HCS to date. There are genetic variants of NOTCH2 that have been reported in the ClinVar database of the U.S. National Institutes of Health. In total, 26 mutant variants were detected based on the American College of Medical Genetics and Genomics (ACMC). To date, there has been no comprehensive compilation of HCS mutations. In this review, we provide the most comprehensive list possible of HCS variants, nucleotide changes, amino acid definitions, and molecular consequences reported to date, following the ACMC guidelines.
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Migliorati CA. Oral Complications in Cancer Patients–Medication-Related Osteonecrosis of the Jaw (MRONJ). FRONTIERS IN ORAL HEALTH 2022; 3:866871. [PMID: 35558547 PMCID: PMC9086704 DOI: 10.3389/froh.2022.866871] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 03/18/2022] [Indexed: 12/22/2022] Open
Abstract
Medication-Related Osteonecrosis of the Jaw (MRONJ) was first reported in 2003. Despite the progress in the understanding of this oral complication in cancer patients for the past 18 years, there is still discussion about the best way to define MRONJ, prevent the complication, how to diagnose, and the options of treatment available. The initial reports associated MRONJ to bisphosphonates and denosumab, medications that work as bone-modifying agents. Later, other agents such as the antiangiogenics, have also been reported to cause the oral complication, either alone or in combination with antiresorptives. Initially, these medications were prescribed to patients with osteoporosis and cancers patients with bone metastasis. Today, because of the effect of the medications in the bone remodeling system, patients with several other diseases such as giant cell tumors, rheumatoid arthritis, Paget's disease of bone, fibrous dysplasia, osteogenesis imperfecta, are managed with these medications, significantly increasing the population of individuals at risk for developing MRONJ. This mini review focused on the cancer patient. It updates the dental clinician on the recent scientific literature about MRONJ and provides information on how to diagnose and manage patients being treated with these medications, suggests protocols to prevent the development of MRONJ, and present ways to manage those patients who develop the oral complication.
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Schumann P, Morgenroth S, Huber FA, Rupp NJ, Del Grande F, Guggenberger R. Correlation of dynamic contrast-enhanced bone perfusion with morphologic ultra-short echo time MR imaging in medication-related osteonecrosis of the jaw. Dentomaxillofac Radiol 2022; 51:20210036. [PMID: 34406841 PMCID: PMC8802699 DOI: 10.1259/dmfr.20210036] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
OBJECTIVES To investigate whether dynamic contrast-enhanced (DCE)-MR bone perfusion could serve as surrogate for morphologic ultra-short echo time (UTE) bone images and to correlate perfusion with morphologic hallmarks in histologically proven foci of medication-related osteonecrosis of the jaw (MRONJ). METHODS Retrospective study including 20 patients with established diagnosis of MRONJ. Qualitative consensus assessment of predefined jaw regions by two radiologists was used as reference standard using Likert scale (0-3) for standard imaging hallmarks in MRONJ (osteolysis, sclerosis, periosteal thickening). DCE-MRI measurements performed in corresponding regions of the mandible were then correlated with qualitative scores. Regions were grouped into "non-affected" and "pathologic" based on binarized Likert scores of different imaging hallmarks (0-1 vs 2-3). DCE-MRI measurements among hallmarks were compared using Mann-Whitney-U-testing. ROC (receiver-operating-characteristic) analysis was performed for each of the perfusion parameters to assess diagnostic performance for identification of MRONJ using morphologic ratings as reference standard. RESULTS Median perfusion measurements of "pathologic" regions in wash-in, peak enhancement intensity and integrated area under the curve are significantly higher than those of "non-affected" regions, irrespective of reference imaging hallmark (p < 0.05). No significant perfusion differences were found between "pathologic" regions with and without osteolysis (p = 0.180). ROC analysis showed fair diagnostic performance of DCE-MRI parameters for identification of MRONJ (AUC 0.626-0.727). CONCLUSIONS DCE bone perfusion parameters are significantly increased in MRONJ compared to non-affected regions, irrespective of osteolysis. Due to certain overlap DCE-MRI bone perfusion cannot serve as full surrogate for UTE bone imaging but may enhance reader confidence.
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Affiliation(s)
| | | | | | | | - Filippo Del Grande
- Istituto di imaging della Svizzera Italiana, Regional Hospital of Lugano, Via Tesserete 46, Lugano, Switzerland
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Oral Surgery Procedures in a Patient with Hajdu-Cheney Syndrome Treated with Denosumab-A Rare Case Report. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18179099. [PMID: 34501688 PMCID: PMC8431733 DOI: 10.3390/ijerph18179099] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 08/24/2021] [Accepted: 08/26/2021] [Indexed: 12/20/2022]
Abstract
Background: Hajdu-Cheney syndrome (HCS) is a very rare autosomal-dominant congenital disease associated with mutations in the NOTCH2 gene. This disorder affects the connective tissue and is characterized by severe bone resorption. Hajdu-Cheney syndrome most frequently affects the head and feet bones (acroosteolysis). Case report: We present an extremely rare case of a 34-year-old male with Hajdu-Cheney syndrome. The patient was admitted to the Department of Oral Surgery, Medical University of Gdańsk, in order to perform the extraction of three teeth. These teeth were not eligible for conservative treatment and prosthetic reconstruction. The patient was treated with denosumab (angiogenesis and receptor activator of nuclear factor-κB RANK ligand inhibitor, RANKL). Discussion: Denosumab is a monoclonal antibody against RANKL. This drug works through a suppression of osteoclast activity. In cases of patients in which the pathway of the RANK/RANKL/osteoprotegerin is dysregulated, denosumab has been approved for the treatment off-label. In patients receiving denosumab, a delayed wound healing in the oral cavity and osteonecrosis may occur. Dental procedures involving the alveolar bone process (tooth extractions and bone alveoloplasty) may be a risk factor for medication-related osteonecrosis of the jaw (MRONJ). Spontaneous osteonecrosis is rarely observed. MRONJ consists of the destruction of exposed bone, with the exposure persisting for a minimum of 6–8 weeks. This is the first article about an HCS patient treated with denosumab who underwent invasive oral surgery procedures. This case report highlights the difficulties for professionals occurring during the oral surgery procedures in such patients.
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