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Schwech N, Nilsson J, Gabre P. Incidence and risk factors for medication-related osteonecrosis after tooth extraction in cancer patients-A systematic review. Clin Exp Dent Res 2023; 9:55-65. [PMID: 36464958 PMCID: PMC9932256 DOI: 10.1002/cre2.698] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 11/05/2022] [Accepted: 11/22/2022] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVES Antiresorptive medication has been reported to be associated with medication-related osteonecrosis of the jaw (MRONJ). This systematic review aims at investigating the incidence of and risk factors for MRONJ after tooth extractions in cancer patients treated with high-dose bisphosphonate and denosumab (BP and DS). MATERIAL AND METHODS: The protocol followed the PRISMA statement list and was registered in PROSPERO. Searches were performed for literature published up to April 2021 in the electronic databases PubMed, Embase, Web of Science, and CINAHL and then supplemented by manual research. RESULTS The search process resulted in 771 identified articles, of which seven studies fitted the population, intervention, comparison, and outcome framework. All were observational studies and four had control groups. A total of 550 patients treated with BP and DS were identified of whom 271 had received tooth extractions after medication onset. Due to significant heterogenicity in the collected data, only a qualitative analysis was performed. The MRONJ incidence after tooth extractions varied between 11% and 50% at the patient level. MRONJ occurred up to 3 years after the tooth extraction. Teeth affected by inflammation before the extraction and additional osteotomy during the surgical procedure were identified as risk factors. CONCLUSIONS Reliable methods of diagnosing MRONJ and adequate follow-up periods are important factors in obtaining the actual incidence of MRONJ after tooth extractions in patients treated with high-dose BP and DS.
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Affiliation(s)
- Nurda Schwech
- Department of Orofacial Medicine, Public Dental HealthUppsala County CouncilUppsalaSweden
- Department of Plastic & Oral and Maxillofacial Surgery, Department of Surgical SciencesUppsala UniversityUppsalaSweden
| | - Johanna Nilsson
- Department of Plastic & Oral and Maxillofacial Surgery, Department of Surgical SciencesUppsala UniversityUppsalaSweden
- Department of Oral & Maxillofacial SurgeryZealand University HospitalRoskildeDenmark
| | - Pia Gabre
- Department of Orofacial Medicine, Public Dental HealthUppsala County CouncilUppsalaSweden
- Department of Plastic & Oral and Maxillofacial Surgery, Department of Surgical SciencesUppsala UniversityUppsalaSweden
- Department of Cariology, Institute of OdontologyThe Sahlgrenska Academy of GothenburgGothenburgSweden
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Relationship between tooth extraction and development of medication-related osteonecrosis of the jaw in cancer patients. Sci Rep 2021; 11:17226. [PMID: 34446755 PMCID: PMC8390686 DOI: 10.1038/s41598-021-96480-8] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 08/10/2021] [Indexed: 12/01/2022] Open
Abstract
Tooth extraction has been avoided since it has been considered a major risk factor for medication-related osteonecrosis of the jaw (MRONJ). However, MRONJ may also develop from tooth that is an infection source. This study aimed to clarify whether tooth extraction is a risk factor for the development of MRONJ in cancer patients receiving bone-modifying agents (BMAs). This retrospective observational study included 189 patients (361 jaws) from two hospitals. The risk factors of MRONJ were identified by comparing patient characteristics between those who did and did not develop MRONJ. Furthermore, the effect of tooth extraction during BMA therapy was analyzed after adjusting for confounding factors using the propensity score matching method. MRONJ occurred in 33 patients jaws. A longer duration of BMA administration, fewer number of teeth, presence of symptoms of local infection, and infected teeth were independent risk factors of MRONJ. However, tooth extraction during BMA therapy did not increase the risk. Propensity score matching analysis showed that tooth extraction significantly lowered the risk of MRONJ development. Teeth that can be an infection source increases the risk of MRONJ, and thus, they need to be extracted even during BMA administration.
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Jardim Caldas R, Spíndola Antunes H, de Oliveira Rodini Pegoraro C, Ribeiro Guedes F, da Silva Santos PS. Oral health condition in cancer patients under bisphosphonate therapy. Support Care Cancer 2021; 29:7687-7694. [PMID: 34145489 DOI: 10.1007/s00520-021-06362-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 06/09/2021] [Indexed: 12/13/2022]
Abstract
OBJECTIVES To investigate the association of oral health condition with the occurrence of medication-related osteonecrosis of the jaw (MRONJ) in a cancer population. METHODS A multicenter cross-sectional study was conducted with cancer patients exposed to bisphosphonates for at least 7 months. Dental and periodontal conditions were assessed by epidemiological indices. RESULTS The sample consisted of 80 patients under bisphosphonate therapy, nine of which were allocated to group 1 (with MRONJ) and 71 to group 2 (without MRONJ). Osteonecrosis cases presented 19 decayed, missing, and filled teeth on average. Moderate gingival inflammation was noted in both groups and together with severe inflammation exceeded 50% of the groups. The presence of dental calculus was detected in about half of the individuals in both groups. Shallow periodontal pockets were detected in about 25% of both groups. Deep periodontal pockets were more prevalent among patients with osteonecrosis. Regular oral hygiene was detected in approximately 25% of individuals in both groups. There was a strong positive correlation between the clinical staging of osteonecrosis and decayed, missing, and filled teeth index (DMFTI). CONCLUSIONS Patients had a poor oral health condition. All but one osteonecrosis case had no previous history of tooth extraction; oral infections seemed to play a major role in the development of bone necrosis. Advanced osteonecrosis stages were associated with a higher DMFTI.
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Affiliation(s)
- Rogério Jardim Caldas
- Department of Dentistry, Mario Kroeff Hospital, Rio de Janeiro, Brazil. .,Department of Surgery, Stomatology, Pathology and Radiology, University of Sao Paulo, Bauru School of Dentistry, Alameda Dr. Octávio Pinheiro Brisolla, 9-75, Bauru, São Paulo, 17012-901, Brazil.
| | - Héliton Spíndola Antunes
- Division of Clinical Research and Technological Development, National Institute of Cancer, Rio de Janeiro, Brazil
| | | | - Fábio Ribeiro Guedes
- Faculty of Dentistry, Department of Pathology and Oral Diagnosis, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Paulo Sérgio da Silva Santos
- Department of Surgery, Stomatology, Pathology and Radiology, University of Sao Paulo, Bauru School of Dentistry, Alameda Dr. Octávio Pinheiro Brisolla, 9-75, Bauru, São Paulo, 17012-901, Brazil
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Ferreira GZ, Zen Filho EV, Rubira-Bullen IRF, Garlet GP, Santos CF, Santos PSDS. Delayed alveolar bone repair and osteonecrosis associated with Zoledronic Acid therapy in rats: macroscopic, microscopic and molecular analysis. J Appl Oral Sci 2020; 28:e20200204. [PMID: 32997086 PMCID: PMC7518245 DOI: 10.1590/1678-7757-2020-0204] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 07/14/2020] [Indexed: 12/16/2022] Open
Abstract
Objective This study aims to evaluate bone repair and the development of the medication related osteonecrosis of the jaw (MRONJ) associated with the use of zoledronic acid in Wistar rats. Methodology 48 male Wistar rats were divided into four groups: ZA, treated with intraperitoneal zoledronic acid, 0.6 mg/kg every 28 days, totaling five doses; control (C), treated with 0.9% sodium chloride; ZA-surgical (SZA) and C-surgical (SC), submitted to extraction of the right upper molars 45 days after the first application. Alveolar bone repair was evaluated by macroscopic and histological analysis. Protein expression evaluations were performed by qPCR. Results Macroscopic evaluation showed that 91.66% (11) of the animals in the SZA group and 41.66% (5) from the SC group presented solution of epithelium continuity (P<0.05). All animals in the SZA group and none in the SC group had bone sequestration. The area of osteonecrosis was higher in the SZA group than in the SC group (P<0.05). In molecular evaluation, the SZA group presented changes in the expression of markers for osteoclasts, with increased RANK and RANKL, and a decrease in OPG. Conclusion The results highlighted strong and evident interference of zoledronic acid in bone repair of the socket, causing osteonecrosis and delayed bone remodeling.
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Affiliation(s)
- Gustavo Zanna Ferreira
- UniCesumar - Departamento de Odontologia, Maringá, PR, Brasil; Universidade de São Paulo, Faculdade de Odontologia de Bauru, Departamento de Cirurgia, Estomatologia, Patologia e Radiologia, Bauru, SP, Brasil
| | | | - Izabel Regina Fisher Rubira-Bullen
- Universidade de São Paulo, Faculdade de Odontologia de Bauru, Departamento de Cirurgia, Estomatologia, Patologia e Radiologia, Bauru, SP, Brasil
| | - Gustavo Pompermaier Garlet
- Universidade de São Paulo, Faculdade de Odontologia de Bauru, Departamento de Ciências Biológicas, Bauru, SP, Brasil
| | - Carlos Ferreira Santos
- Universidade de São Paulo, Faculdade de Odontologia de Bauru, Departamento de Ciências Biológicas, Bauru, SP, Brasil
| | - Paulo Sérgio da Silva Santos
- Universidade de São Paulo, Faculdade de Odontologia de Bauru, Departamento de Cirurgia, Estomatologia, Patologia e Radiologia, Bauru, SP, Brasil
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Campisi G, Mauceri R, Bertoldo F, Bettini G, Biasotto M, Colella G, Consolo U, Di Fede O, Favia G, Fusco V, Gabriele M, Lo Casto A, Lo Muzio L, Marcianò A, Mascitti M, Meleti M, Mignogna MD, Oteri G, Panzarella V, Romeo U, Santarelli A, Vescovi P, Marchetti C, Bedogni A. Medication-Related Osteonecrosis of Jaws (MRONJ) Prevention and Diagnosis: Italian Consensus Update 2020. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:E5998. [PMID: 32824826 PMCID: PMC7460511 DOI: 10.3390/ijerph17165998] [Citation(s) in RCA: 73] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 08/10/2020] [Accepted: 08/11/2020] [Indexed: 12/15/2022]
Abstract
The Medication-Related Osteonecrosis of Jaws (MRONJ) diagnosis process and its prevention play a role of great and rising importance, not only on the Quality of Life (QoL) of patients, but also on the decision-making process by the majority of dentists and oral surgeons involved in MRONJ prevention (primary and secondary). The present paper reports the update of the conclusions from the Consensus Conference-held at the Symposium of the Italian Society of Oral Pathology and Medicine (SIPMO) (20 October 2018, Ancona, Italy)-after the newest recommendations (2020) on MRONJ were published by two scientific societies (Italian Societies of Maxillofacial Surgery and Oral Pathology and Medicine, SICMF and SIPMO), written on the inputs of the experts of the Italian Allied Committee on ONJ (IAC-ONJ). The conference focused on the topic of MRONJ, and in particular on the common practices at risk of inappropriateness in MRONJ diagnosis and therapy, as well as on MRONJ prevention and the dental management of patients at risk of MRONJ. It is a matter of cancer and osteometabolic patients that are at risk since being exposed to several drugs with antiresorptive (i.e., bisphosphonates and denosumab) or, more recently, antiangiogenic activities. At the same time, the Conference traced for dentists and oral surgeons some easy applicable indications and procedures to reduce MRONJ onset risk and to diagnose it early. Continuous updating on these issues, so important for the patient community, is recommended.
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Affiliation(s)
- Giuseppina Campisi
- Department of Surgical, Oncological, and Oral Sciences, University of Palermo, 90127 Palermo, Italy; (G.C.); (O.D.F.); (A.L.C.); (V.P.)
- IAC-ONJ (Italian Allied Committee on ONJ), Temporary Chair at University of Palermo, 90100 Piazza Marina, Italy; (F.B.); (G.B.); (V.F.); (P.V.); (C.M.); (A.B.)
| | - Rodolfo Mauceri
- Department of Surgical, Oncological, and Oral Sciences, University of Palermo, 90127 Palermo, Italy; (G.C.); (O.D.F.); (A.L.C.); (V.P.)
- IAC-ONJ (Italian Allied Committee on ONJ), Temporary Chair at University of Palermo, 90100 Piazza Marina, Italy; (F.B.); (G.B.); (V.F.); (P.V.); (C.M.); (A.B.)
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, 98124 Messina, Italy; (A.M.); (G.O.)
| | - Francesco Bertoldo
- IAC-ONJ (Italian Allied Committee on ONJ), Temporary Chair at University of Palermo, 90100 Piazza Marina, Italy; (F.B.); (G.B.); (V.F.); (P.V.); (C.M.); (A.B.)
- Department of Medicine, University of Verona, 37134 Verona, Italy
| | - Giordana Bettini
- IAC-ONJ (Italian Allied Committee on ONJ), Temporary Chair at University of Palermo, 90100 Piazza Marina, Italy; (F.B.); (G.B.); (V.F.); (P.V.); (C.M.); (A.B.)
- Regional Center for Prevention, Diagnosis and Treatment of Medication and Radiation-Related Bone Diseases of the Head and Neck, University of Padova, 35128 Padova, Italy
| | - Matteo Biasotto
- Department of Medical, Surgical and Health Sciences, University of Trieste, 34129 Trieste, Italy;
| | - Giuseppe Colella
- Department of Medical, Surgical and Dental Speciality, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy;
| | - Ugo Consolo
- Department of Surgery, Medicine, Dentistry and Morphological Sciences with Transplant Surgery, Oncology and Regenerative Medicine Relevance, University of Modena and Reggio Emilia, 41125 Modena, Italy;
| | - Olga Di Fede
- Department of Surgical, Oncological, and Oral Sciences, University of Palermo, 90127 Palermo, Italy; (G.C.); (O.D.F.); (A.L.C.); (V.P.)
- IAC-ONJ (Italian Allied Committee on ONJ), Temporary Chair at University of Palermo, 90100 Piazza Marina, Italy; (F.B.); (G.B.); (V.F.); (P.V.); (C.M.); (A.B.)
| | - Gianfranco Favia
- Department of Interdisciplinary Medicine, University of Bari Aldo Moro, 70124 Bari, Italy;
| | - Vittorio Fusco
- IAC-ONJ (Italian Allied Committee on ONJ), Temporary Chair at University of Palermo, 90100 Piazza Marina, Italy; (F.B.); (G.B.); (V.F.); (P.V.); (C.M.); (A.B.)
- Azienda Ospedaliera SS. Antonio e Biagio e Cesare Arrigo, Azienda Ospedaliera Nazionale SS. Antonio e Biagio e Cesare Arrigo, 15121 Alessandria, Italy
| | - Mario Gabriele
- Department of Surgical, Medical and Molecular Pathology and Critical Care Medicine, University of Pisa, 56126 Pisa, Italy;
| | - Antonio Lo Casto
- Department of Surgical, Oncological, and Oral Sciences, University of Palermo, 90127 Palermo, Italy; (G.C.); (O.D.F.); (A.L.C.); (V.P.)
- IAC-ONJ (Italian Allied Committee on ONJ), Temporary Chair at University of Palermo, 90100 Piazza Marina, Italy; (F.B.); (G.B.); (V.F.); (P.V.); (C.M.); (A.B.)
| | - Lorenzo Lo Muzio
- Department of Clinical and Experimental Medicine, University of Foggia, 71121 Foggia, Italy;
| | - Antonia Marcianò
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, 98124 Messina, Italy; (A.M.); (G.O.)
| | - Marco Mascitti
- Department of Clinical Specialistic and Dental Sciences, Marche Polytechnic University, 60126 Ancona, Italy; (M.M.); (A.S.)
| | - Marco Meleti
- Department of Medicine and Surgery, University of Parma, 43125 Parma, Italy;
| | - Michele D. Mignogna
- Department of Neuroscience, Reproductive and Odontostomatological Sciences, University of Naples Federico II, 80131 Napoli, Italy;
| | - Giacomo Oteri
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, 98124 Messina, Italy; (A.M.); (G.O.)
| | - Vera Panzarella
- Department of Surgical, Oncological, and Oral Sciences, University of Palermo, 90127 Palermo, Italy; (G.C.); (O.D.F.); (A.L.C.); (V.P.)
- IAC-ONJ (Italian Allied Committee on ONJ), Temporary Chair at University of Palermo, 90100 Piazza Marina, Italy; (F.B.); (G.B.); (V.F.); (P.V.); (C.M.); (A.B.)
| | - Umberto Romeo
- Department of Oral and Maxillofacial Sciences, Sapienza University of Rome, 00161 Roma, Italy;
| | - Andrea Santarelli
- Department of Clinical Specialistic and Dental Sciences, Marche Polytechnic University, 60126 Ancona, Italy; (M.M.); (A.S.)
| | - Paolo Vescovi
- IAC-ONJ (Italian Allied Committee on ONJ), Temporary Chair at University of Palermo, 90100 Piazza Marina, Italy; (F.B.); (G.B.); (V.F.); (P.V.); (C.M.); (A.B.)
- Department of Medicine and Surgery, University of Parma, 43125 Parma, Italy;
| | - Claudio Marchetti
- IAC-ONJ (Italian Allied Committee on ONJ), Temporary Chair at University of Palermo, 90100 Piazza Marina, Italy; (F.B.); (G.B.); (V.F.); (P.V.); (C.M.); (A.B.)
- Department of Biomedical and Neuromotor Sciences, University of Bologna, 40125 Bologna, Italy
| | - Alberto Bedogni
- IAC-ONJ (Italian Allied Committee on ONJ), Temporary Chair at University of Palermo, 90100 Piazza Marina, Italy; (F.B.); (G.B.); (V.F.); (P.V.); (C.M.); (A.B.)
- Regional Center for Prevention, Diagnosis and Treatment of Medication and Radiation-Related Bone Diseases of the Head and Neck, University of Padova, 35128 Padova, Italy
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Yang YL, Xiang ZJ, Yang JH, Wang WJ, Xiang RL. The incidence and relative risk of adverse events in patients treated with bisphosphonate therapy for breast cancer: a systematic review and meta-analysis. Ther Adv Med Oncol 2019; 11:1758835919855235. [PMID: 31217825 PMCID: PMC6558551 DOI: 10.1177/1758835919855235] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Accepted: 05/08/2019] [Indexed: 12/18/2022] Open
Abstract
Background: Adjuvant bisphosphonates reduce the rate of breast cancer recurrence in the
bone and improve breast cancer survival. However, the risk of adverse events
associated with bisphosphonate therapy for breast cancer remains poorly
defined. Methods: A literature search was conducted using the PubMed, EMBASE, Cochrane and Web
of Science libraries. Risk ratio (RR) was calculated to evaluate the adverse
events of the meta-analytic results. Osteonecrosis of the jaw (ONJ)
incidence was calculated using the random effect model (D+L pooled) for
meta-analysis. Results: A total of 47 studies comprising 20,607 patients were included; 23 randomized
controlled studies (RCTs) provided data of adverse events for bisphosphonate
therapy versus without bisphosphonates. Bisphosphonates
were significantly associated with influenza-like illness (RR = 4.52),
fatigue (RR = 1.08), fever (RR = 1.82), dyspepsia (RR = 1.25), anorexia
(RR = 1.29), and urinary tract infection (RR = 1.32). No differences were
observed in other adverse events. We combined the incidence of ONJ in 24
retrospective studies to analyze the incidence of ONJ using bisphosphonates.
The pooled probability of ONJ toxicity in the bisphosphonates group was
2%. Conclusions: Bisphosphonates were significantly associated with influenza-like illness,
fatigue, fever, dyspepsia, anorexia, and urinary tract infection.
Furthermore, bisphosphonates increase the risk of ONJ toxicity.
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Affiliation(s)
- Yan-Li Yang
- Department of Respiratory and Critical Care Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | | | | | | | - Ruo-Lan Xiang
- Department of Physiology and Pathophysiology, Peking University School of Basic Medical Sciences, Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, and Beijing Key Laboratory of Cardiovascular Receptors Research, China
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7
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Soundia A, Hadaya D, Esfandi N, Gkouveris I, Christensen R, Dry SM, Bezouglaia O, Pirih F, Nikitakis N, Aghaloo T, Tetradis S. Zoledronate Impairs Socket Healing after Extraction of Teeth with Experimental Periodontitis. J Dent Res 2017; 97:312-320. [PMID: 28954199 DOI: 10.1177/0022034517732770] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Osteonecrosis of the jaws (ONJ) is a rare but severe complication of antiresorptive medications, such as bisphosphonates, used in the treatment of bone malignancy or osteoporosis. Tooth extraction and dental disease have been strongly associated with ONJ development. Here, we investigated molecular and cellular markers of socket healing after extraction of healthy or teeth with experimental periodontitis (EP) in Wistar-Han rats treated with zoledronic acid (ZA). We included 4 experimental groups: vehicle-treated animals with extraction of healthy teeth or teeth with ligature-induced EP and ZA-treated animals with extraction of healthy teeth or teeth with EP. Animals were pretreated with vehicle or ZA for a week, and EP was induced. Four weeks later, the second maxillary molars were extracted; sockets were allowed to heal for 4 wk; animals were euthanized; and maxillae were isolated. Radiographically, extraction sockets in groups 1, 2, and 3 demonstrated normal healing. Contrary incomplete socket healing was noted after extraction of teeth with EP in ZA-treated rats of group 4. Histologically, persistent inflammation and extensive osteonecrosis were seen in group 4. Disorganization of the collagen network, collagen type III predominance, and lack of collagen fiber insertion in the necrotic bone were associated with impaired socket healing. Cells positive for MMP-9, MMP-13, and α-SMA expression were present at the areas of epithelial invagination and adjacent to osteonecrotic bone. Importantly, human biopsies from patients with ONJ showed similar findings. Our data emphasize the importance of dental disease and tooth extraction in ONJ pathogenesis and help delineate an altered profile in wound-healing markers during ONJ development.
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Affiliation(s)
- A Soundia
- 1 Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA, USA
| | - D Hadaya
- 1 Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA, USA
| | - N Esfandi
- 1 Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA, USA
| | - I Gkouveris
- 1 Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA, USA
| | - R Christensen
- 1 Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA, USA
| | - S M Dry
- 2 Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - O Bezouglaia
- 1 Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA, USA
| | - F Pirih
- 3 Division of Constitutive and Regenerative Sciences, UCLA School of Dentistry, Los Angeles, CA, USA
| | - N Nikitakis
- 4 Department of Oral and Maxillofacial Pathology and Medicine, School of Dentistry, National and Kapodistrian University of Athens, Greece
| | - T Aghaloo
- 1 Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA, USA
| | - S Tetradis
- 1 Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA, USA
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