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Liu J, Xu H, Tang G, Liu H, Sun Z, Zhou G, Cheng B, Wang W, He H, Guo B, Meng W, Liu Q, Wang J, Luo X, Zhou Y, Jiang L, Zeng X, Dan H, Chen Q. A multi-center cross-sectional study of 1495 Chinese oral lichen planus patients. Oral Dis 2024; 30:3155-3164. [PMID: 37994276 DOI: 10.1111/odi.14798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 09/13/2023] [Accepted: 10/20/2023] [Indexed: 11/24/2023]
Abstract
OBJECTIVE To explore the clinical epidemiological characteristics of oral lichen planus (OLP) and risk factors for erosive/ulcerative OLP. MATERIALS AND METHODS Patients diagnosed with OLP from 11 different hospitals were included in the study. Descriptive statistical methods were used to explore the clinical epidemiological characteristics and logistic regression, sensitivity analysis, and subgroup analysis were utilized to explore the risk factors for erosive/ulcerative OLP. RESULTS The average age of patients was 49.2 ± 13.3 years, and 61.4% of the patients were women. The ratios of patients with reticular, hyperemic/erythematous, and erosive/ulcerative lesions were 47.9%, 27.8%, and 24.2%, respectively. Analysis of risk factors for erosive/ulcerative OLP identified the following variables: age, course of disease of 12 months or more, II°-III° dental calculus, hypertension, diabetes, and heart disease, as well as regions of habitation. Subgroup analysis showed significant differences in risk factors for erosive/ulcerative OLP in patients with and without risk behaviors. CONCLUSION The clinical epidemiological characteristics of patients with OLP in the Chinese population in this study are basically consistent with existing reports in developed countries. And we identified clinical characteristics associated with erosive/ulcerative OLP through clinical epidemiological analysis.
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Affiliation(s)
- Jiaxin Liu
- State Key Laboratory of Oral Diseases and National Center for Stomatology & National Clinical Research Center for Oral Diseases & Research Unit of Oral Carcinogenesis and Management, Chinese Academy of Medical Sciences & Department of Oral Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Hao Xu
- State Key Laboratory of Oral Diseases and National Center for Stomatology & National Clinical Research Center for Oral Diseases & Research Unit of Oral Carcinogenesis and Management, Chinese Academy of Medical Sciences & Department of Oral Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Guoyao Tang
- College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, China
- Department of Oral Medicine, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hongwei Liu
- Department of Oral Medicine, Peking University School and Hospital of Stomatology, Beijing, China
| | - Zheng Sun
- Beijing Stomatological Hospital, Capital Medical University, Beijing, China
| | - Gang Zhou
- Department of Oral Medicine, School and Hospital of Stomatology, Wuhan University, Wuhan, Hubei, China
| | - Bin Cheng
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, China
- Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Wenmei Wang
- Nanjing Stomatological Hospital/Medical School of Nanjing University, Nanjing, Jiangsu, China
| | - Hong He
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Zhejiang, Hangzhou, China
| | - Bin Guo
- Department of Stomatology, First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Wenxia Meng
- Department of Oral Medicine, Stomatological Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Qing Liu
- School of Stomatology, The Fourth Military Medical University, Xian, Shaanxi, China
| | - Jiongke Wang
- State Key Laboratory of Oral Diseases and National Center for Stomatology & National Clinical Research Center for Oral Diseases & Research Unit of Oral Carcinogenesis and Management, Chinese Academy of Medical Sciences & Department of Oral Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Xiaobo Luo
- State Key Laboratory of Oral Diseases and National Center for Stomatology & National Clinical Research Center for Oral Diseases & Research Unit of Oral Carcinogenesis and Management, Chinese Academy of Medical Sciences & Department of Oral Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Yu Zhou
- State Key Laboratory of Oral Diseases and National Center for Stomatology & National Clinical Research Center for Oral Diseases & Research Unit of Oral Carcinogenesis and Management, Chinese Academy of Medical Sciences & Department of Oral Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Lu Jiang
- State Key Laboratory of Oral Diseases and National Center for Stomatology & National Clinical Research Center for Oral Diseases & Research Unit of Oral Carcinogenesis and Management, Chinese Academy of Medical Sciences & Department of Oral Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Xin Zeng
- State Key Laboratory of Oral Diseases and National Center for Stomatology & National Clinical Research Center for Oral Diseases & Research Unit of Oral Carcinogenesis and Management, Chinese Academy of Medical Sciences & Department of Oral Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Hongxia Dan
- State Key Laboratory of Oral Diseases and National Center for Stomatology & National Clinical Research Center for Oral Diseases & Research Unit of Oral Carcinogenesis and Management, Chinese Academy of Medical Sciences & Department of Oral Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Qianming Chen
- State Key Laboratory of Oral Diseases and National Center for Stomatology & National Clinical Research Center for Oral Diseases & Research Unit of Oral Carcinogenesis and Management, Chinese Academy of Medical Sciences & Department of Oral Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Zhejiang, Hangzhou, China
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Luo Q, Cao Q, Guo J, Chang S, Wu Y. Genetically predicted levels of circulating cytokines and the risk of six immune skin diseases: a two-sample Mendelian randomization study. Front Immunol 2023; 14:1240714. [PMID: 37954607 PMCID: PMC10637377 DOI: 10.3389/fimmu.2023.1240714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 10/12/2023] [Indexed: 11/14/2023] Open
Abstract
Background Circulating cytokines play a crucial role in the onset and progression of immune skin diseases. However, the causal relationships and the direction of causal effects require further investigation. Methods Two-sample Mendelian randomization (MR) analyses were conducted to assess the causal relationships between 41 circulating cytokines and six immune skin diseases including alopecia areata, chloasma, hidradenitis suppurativa (HS), lichen planus (LP), seborrheic dermatitis, and urticaria, using summary statistics from genome-wide association studies. Reverse MR analyses was performed to test for the reverse causation. Pleiotropy and heterogeneity tests were conducted to assess the robustness of the findings. Results Twelve unique cytokines showed a suggestive causal relationship with the risk of six immune skin diseases. Among them, the causal effects between 9 unique cytokines and immune skin diseases have strong statistical power. Additionally, the concentrations of six cytokines might be influenced by LP and urticaria. After Bonferroni correction, the following associations remained significant: the causal effect of beta-nerve growth factor on HS (odds ratio [OR] = 1.634, 95% confidence interval [CI] = 1.226-2.177, p = 7.97e-04), interleukin (IL)-6 on LP (OR = 0.615, 95% CI = 0.481-0.786, p = 1.04e-04), IL-4 on LP (OR = 1.099. 95% CI = 1.020-1.184, p = 1.26e-02), and IL-2 on urticaria (OR = 0.712, 95% CI = 0.531-0.955, p = 2.33e-02). Conclusion This study provides novel perspectives on the relationship between circulating cytokines and immune skin diseases, potentially providing valuable insights into their etiology, diagnostic approaches, and treatment.
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Affiliation(s)
- Qinghua Luo
- Department of Anorectal Surgery, Jiangmen Wuyi Hospital of Traditional Chinese Medicine, Jiangmen, China
| | - Qiurui Cao
- Department of Anorectal Surgery, Jiangmen Wuyi Hospital of Traditional Chinese Medicine, Jiangmen, China
| | - Jinyan Guo
- Department of Anorectal Surgery, Jiangmen Wuyi Hospital of Traditional Chinese Medicine, Jiangmen, China
| | - Shuangqing Chang
- Department of Anorectal Surgery, Jiangmen Wuyi Hospital of Traditional Chinese Medicine, Jiangmen, China
| | - Yunxiang Wu
- Department of Anorectal Surgery, Affiliated Hospital of Jiangxi University of Chinese Medicine, Nanchang, China
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González-Moles MÁ, Keim-del Pino C, Ramos-García P. Hallmarks of Cancer Expression in Oral Lichen Planus: A Scoping Review of Systematic Reviews and Meta-Analyses. Int J Mol Sci 2022; 23:13099. [PMID: 36361889 PMCID: PMC9658487 DOI: 10.3390/ijms232113099] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 10/25/2022] [Accepted: 10/26/2022] [Indexed: 09/05/2023] Open
Abstract
Oral lichen planus (OLP) is a common chronic inflammatory disease of unknown etiology and likely autoimmune nature that is currently considered an oral potentially malignant disorder, implying that patients suffering from this process are at risk of developing oral cancer in their lifetime. The molecular alterations that develop in OLP and that make the affected oral epithelium predisposed to malignancy are unknown, although, as in other autoimmune diseases (ulcerative colitis, primary biliary cirrhosis, etc.), they may be linked to oncogenesis-promoting effects mediated by the inflammatory infiltrate. So far there is no in-depth knowledge on how these hallmarks of cancer are established in the cells of the oral epithelium affected by OLP. In this scoping review of systematic reviews and meta-analyses the state of evidence based knowledge in this field is presented, to point out gaps of evidence and to indicate future lines of research. MEDLINE, Embase, Cochrane Library and Dare were searched for secondary-level studies published before October 2022. The results identified 20 systematic reviews and meta-analyses critically appraising the hallmarks tumor-promoting inflammation (n = 17, 85%), sustaining proliferative signaling (n = 2, 10%), and evading growth suppressors (n = 1, 5%). No evidence was found for the other hallmarks of cancer in OLP. In conclusion, OLP malignization hypothetically derives from the aggressions of the inflammatory infiltrate and a particular type of epithelial response based on increased epithelial proliferation, evasion of growth-suppressive signals and lack of apoptosis. Future evidence-based research is required to support this hypothesis.
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Affiliation(s)
- Miguel Ángel González-Moles
- School of Dentistry, University of Granada, 18071 Granada, Spain
- Instituto de Investigación Biosanitaria ibs.GRANADA, 18012 Granada, Spain
| | - Carmen Keim-del Pino
- School of Dentistry, University of Granada, 18071 Granada, Spain
- Instituto de Investigación Biosanitaria ibs.GRANADA, 18012 Granada, Spain
| | - Pablo Ramos-García
- School of Dentistry, University of Granada, 18071 Granada, Spain
- Instituto de Investigación Biosanitaria ibs.GRANADA, 18012 Granada, Spain
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Hatami M, Rezaei M, Sadeghi M, Tadakamadla J, Pekiner FN, Mozaffari HR. A systematic review and meta-analysis on serum and salivary levels of total antioxidant capacity and C-reactive protein in oral lichen planus patients. Arch Oral Biol 2022; 140:105445. [DOI: 10.1016/j.archoralbio.2022.105445] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 03/09/2022] [Accepted: 04/22/2022] [Indexed: 11/02/2022]
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Zanetta P, Ormelli M, Amoruso A, Pane M, Azzimonti B, Squarzanti DF. Probiotics as Potential Biological Immunomodulators in the Management of Oral Lichen Planus: What's New? Int J Mol Sci 2022; 23:ijms23073489. [PMID: 35408849 PMCID: PMC8998608 DOI: 10.3390/ijms23073489] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/17/2022] [Accepted: 03/21/2022] [Indexed: 02/04/2023] Open
Abstract
Oral lichen planus (OLP) is a T cell-mediated chronic inflammatory disorder with multifactorial aetiology and malignant transformation potential. Despite the treatments so far identified, new tailored and safe specific measures are needed. Recently, human microbiota imbalance has been linked to several immune-mediated diseases, opening new therapeutic perspectives for probiotics; besides their ability to directly interact with the host microbiota, they also display a strain-specific immune-modulatory effect. Thus, this non-systematic review aims to elucidate the molecular pathways underlying probiotic activity, mainly those of Lactobacilli and Bifidobacteria and their metabolites in OLP pathogenesis and malignant transformation, focusing on the most recent in vitro and in vivo research evidence. Findings related to their activity in other immune-mediated diseases are here included, suggesting a probiotic translational use in OLP. Probiotics show immune-modulatory and microbiota-balancing activities; they protect the host from pathogens, hamper an excessive effector T cell response, reduce nuclear factor-kappa B (NF-kB) signalling and basal keratinocytes abnormal apoptosis, shifting the mucosal response towards the production of anti-inflammatory cytokines, thus preventing uncontrolled damage. Therefore, probiotics could be a highly encouraging prevention and immunotherapeutic approach for a safer and more sustainable OLP management.
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Affiliation(s)
- Paola Zanetta
- Laboratory of Applied Microbiology, Department of Health Sciences (DiSS), Center for Translational Research on Allergic and Autoimmune Diseases (CAAD), School of Medicine, Università del Piemonte Orientale (UPO), Corso Trieste 15/A, 28100 Novara, Italy; (P.Z.); (M.O.)
| | - Margherita Ormelli
- Laboratory of Applied Microbiology, Department of Health Sciences (DiSS), Center for Translational Research on Allergic and Autoimmune Diseases (CAAD), School of Medicine, Università del Piemonte Orientale (UPO), Corso Trieste 15/A, 28100 Novara, Italy; (P.Z.); (M.O.)
| | - Angela Amoruso
- Probiotical Research Srl, Via Mattei 3, 28100 Novara, Italy; (A.A.); (M.P.)
| | - Marco Pane
- Probiotical Research Srl, Via Mattei 3, 28100 Novara, Italy; (A.A.); (M.P.)
| | - Barbara Azzimonti
- Laboratory of Applied Microbiology, Department of Health Sciences (DiSS), Center for Translational Research on Allergic and Autoimmune Diseases (CAAD), School of Medicine, Università del Piemonte Orientale (UPO), Corso Trieste 15/A, 28100 Novara, Italy; (P.Z.); (M.O.)
- Correspondence: (B.A.); (D.F.S.); Tel.: +39-0321-660-870 (B.A.)
| | - Diletta Francesca Squarzanti
- Laboratory of Applied Microbiology, Department of Health Sciences (DiSS), Center for Translational Research on Allergic and Autoimmune Diseases (CAAD), School of Medicine, Università del Piemonte Orientale (UPO), Corso Trieste 15/A, 28100 Novara, Italy; (P.Z.); (M.O.)
- Correspondence: (B.A.); (D.F.S.); Tel.: +39-0321-660-870 (B.A.)
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Melguizo-Rodríguez L, Costela-Ruiz VJ, Manzano-Moreno FJ, Ruiz C, Illescas-Montes R. Salivary Biomarkers and Their Application in the Diagnosis and Monitoring of the Most Common Oral Pathologies. Int J Mol Sci 2020; 21:ijms21145173. [PMID: 32708341 PMCID: PMC7403990 DOI: 10.3390/ijms21145173] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 07/10/2020] [Accepted: 07/15/2020] [Indexed: 12/15/2022] Open
Abstract
Saliva is a highly versatile biological fluid that is easy to gather in a non-invasive manner—and the results of its analysis complement clinical and histopathological findings in the diagnosis of multiple diseases. The objective of this review was to offer an update on the contribution of salivary biomarkers to the diagnosis and prognosis of diseases of the oral cavity, including oral lichen planus, periodontitis, Sjögren’s syndrome, oral leukoplakia, peri-implantitis, and medication-related osteonecrosis of the jaw. Salivary biomarkers such as interleukins, growth factors, enzymes, and other biomolecules have proven useful in the diagnosis and follow-up of these diseases, facilitating the early evaluation of malignization risk and the monitoring of disease progression and response to treatment. However, further studies are required to identify new biomarkers and verify their reported role in the diagnosis and/or prognosis of oral diseases.
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Affiliation(s)
- Lucía Melguizo-Rodríguez
- Biomedical Group (BIO277), Department of Nursing, Faculty of Health Sciences (Ceuta), University of Granada, 51001 Granada, Spain;
- Instituto Investigación Biosanitaria, ibs.Granada, 18012 Granada, Spain; (V.J.C.-R.); (F.J.M.-M.); (R.I.-M.)
| | - Victor J. Costela-Ruiz
- Instituto Investigación Biosanitaria, ibs.Granada, 18012 Granada, Spain; (V.J.C.-R.); (F.J.M.-M.); (R.I.-M.)
- Biomedical Group (BIO277), Department of Nursing, Faculty of Health Sciences, University of Granada, 18016 Granada, Spain
| | - Francisco Javier Manzano-Moreno
- Instituto Investigación Biosanitaria, ibs.Granada, 18012 Granada, Spain; (V.J.C.-R.); (F.J.M.-M.); (R.I.-M.)
- Biomedical Group (BIO277), Department of Stomatology, School of Dentistry, University of Granada, 18071 Granada, Spain
| | - Concepción Ruiz
- Instituto Investigación Biosanitaria, ibs.Granada, 18012 Granada, Spain; (V.J.C.-R.); (F.J.M.-M.); (R.I.-M.)
- Biomedical Group (BIO277), Department of Nursing, Faculty of Health Sciences, University of Granada, 18016 Granada, Spain
- Institute of Neuroscience, University of Granada, 18016 Granada, Spain
- Correspondence: ; Tel.: +34-958243497
| | - Rebeca Illescas-Montes
- Instituto Investigación Biosanitaria, ibs.Granada, 18012 Granada, Spain; (V.J.C.-R.); (F.J.M.-M.); (R.I.-M.)
- Biomedical Group (BIO277), Department of Nursing, Faculty of Health Sciences, University of Granada, 18016 Granada, Spain
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Mehrbani SP, Motahari P, Azar FP, Ahari MA. Role of interleukin-4 in pathogenesis of oral lichen planus: A systematic review. Med Oral Patol Oral Cir Bucal 2020; 25:e410-e415. [PMID: 32134902 PMCID: PMC7211366 DOI: 10.4317/medoral.23460] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 11/11/2019] [Indexed: 12/29/2022] Open
Abstract
Background Oral lichen planus (OLP) is a premalignant mucocutaneous disease that affects 1-2% of the adult population. Immunological factor may act as etiological factor. The cellular immune cells such as T cells are important in pathogenesis of OLP. Interleukin-4 (IL-4) is secreted by T-helper 2 (Th2). Several studies have been carried out on the role of IL-4 in OLP. The aim of this study was to review the level of IL-4 in OLP, effective factors in the production of IL-4 and its role in the development of OLP.
Material and Methods A search in PubMed was performed on the literature published from 2000 until august 2019 using the following keywords: “oral lichen planus” or “OLP” and “interleukin-4” or “IL-4”.
Results Originally, 37 articles were considered, of which 28 case-control articles were selected according to the inclusion/exclusion criteria.
Conclusions This review study shows that IL-4 plays a key role in the development of OLP. According to the past studies, there are several factors contributing to the production of this cytokine. Identification of the routes of production of IL-4 and its role in OLP might be useful for development of new preventive and therapeutic methods in management of patients with OLP. Key words:Interleukin 4, oral lichen planus, pathogenesis.
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Affiliation(s)
- S-P Mehrbani
- Faculty of Dentistry Tabriz University of Medical Sciences Tabriz, IR Iran
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Rezaei R, Safaei M, Mozaffari HR, Moradpoor H, Karami S, Golshah A, Salimi B, Karami H. The Role of Nanomaterials in the Treatment of Diseases and Their Effects on the Immune System. Open Access Maced J Med Sci 2019; 7:1884-1890. [PMID: 31316678 PMCID: PMC6614262 DOI: 10.3889/oamjms.2019.486] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2019] [Revised: 05/27/2019] [Accepted: 05/28/2019] [Indexed: 12/12/2022] Open
Abstract
Nanotechnology has been widely exploited in recent years in various applications. Different sectors of medicine and treatment have also focused on the use of nanoproducts. One of the areas of interest in the treatment measures is the interaction between nanomaterials and immune system components. Engineered nanomaterials can stimulate the inhibition or enhancement of immune responses and prevent the detection ability of the immune system. Changes in immune function, in addition to the benefits, may also lead to some damage. Therefore, adequate assessment of the novel nanomaterials seems to be necessary before practical use in treatment. However, there is little information on the toxicological and biological effects of nanomaterials, especially on the potential ways of contacting and handling nanomaterials in the body and the body response to these materials. Extensive variation and different properties of nanomaterials have made it much more difficult to access their toxicological effects to the present. The present study aims to raise knowledge about the potential benefits and risks of using the nanomaterials on the immune system to design and safely employ these compounds in therapeutic purposes.
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Affiliation(s)
- Razieh Rezaei
- Advanced Dental Sciences Research Laboratory, School of Dentistry, Kermanshah University of Medical Sciences, Kermanshah, Iran.,Medical Biology Research Centre, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mohsen Safaei
- Advanced Dental Sciences Research Laboratory, School of Dentistry, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Hamid Reza Mozaffari
- Medical Biology Research Centre, Kermanshah University of Medical Sciences, Kermanshah, Iran.,Department of Oral and Maxillofacial Medicine, School of Dentistry, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Hedaiat Moradpoor
- Department of Prosthodontics, School of Dentistry, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Sara Karami
- Students Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Amin Golshah
- Department of Orthodontics, School of Dentistry, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Behroz Salimi
- School of Dentistry, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Hossein Karami
- School of Dentistry, Kermanshah University of Medical Sciences, Kermanshah, Iran
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