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Zhao Z, Zhang X, Zhao W, Wang J, Peng Y, Liu X, Liu N, Liu Q. Effect of chronic alcohol consumption on oral microbiota in rats with periodontitis. PeerJ 2024; 12:e17795. [PMID: 39148678 PMCID: PMC11326440 DOI: 10.7717/peerj.17795] [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: 03/28/2024] [Accepted: 07/02/2024] [Indexed: 08/17/2024] Open
Abstract
Background The imbalance of oral microbiota can contribute to various oral disorders and potentially impact general health. Chronic alcohol consumption beyond a certain threshold has been implicated in influencing both the onset and progression of periodontitis. However, the mechanism by which chronic alcohol consumption affects periodontitis and its association with changes in the oral microbial community remains unclear. Objective This study used 16S rRNA gene amplicon sequencing to examine the dynamic changes in the oral microbial community of rats with periodontitis influenced by chronic alcohol consumption. Methods Twenty-four male Wistar rats were randomly allocated to either a periodontitis (P) or periodontitis + alcohol (PA) group. The PA group had unrestricted access to alcohol for 10 weeks, while the P group had access to water only. Four weeks later, both groups developed periodontitis. After 10 weeks, serum levels of alanine aminotransferase and aspartate aminotransferase in the rats' serum were measured. The oral swabs were obtained from rats, and 16S rRNA gene sequencing was conducted. Alveolar bone status was assessed using hematoxylin and eosin staining and micro-computed tomography. Results Rats in the PA group exhibited more severe periodontal tissue damage compared to those in the periodontitis group. Although oral microbial diversity remained stable, the relative abundance of certain microbial communities differed significantly between the two groups. Actinobacteriota and Desulfobacterota were more prevalent at the phylum level in the PA group. At the genus level, Cutibacterium, Tissierella, Romboutsia, Actinomyces, Lawsonella, Anaerococcus, and Clostridium_sensu_stricto_1 were significantly more abundant in the PA group, while Haemophilus was significantly less abundant. Additionally, functional prediction using Tax4Fun revealed a significant enrichment of carbohydrate metabolism in the PA group. Conclusion Chronic alcohol consumption exacerbated periodontitis in rats and influenced the composition and functional characteristics of their oral microbiota, as indicated by 16S rRNA gene sequencing results. These microbial alterations may contribute to the exacerbation of periodontitis in rats due to chronic alcohol consumption.
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Affiliation(s)
- Zirui Zhao
- Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, School and Hospital of Stomatology, Hebei Medical University, Shijiazhuang, Hebei, China
| | - Xiao Zhang
- Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, School and Hospital of Stomatology, Hebei Medical University, Shijiazhuang, Hebei, China
| | - Wanqing Zhao
- Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, School and Hospital of Stomatology, Hebei Medical University, Shijiazhuang, Hebei, China
| | - Jianing Wang
- Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, School and Hospital of Stomatology, Hebei Medical University, Shijiazhuang, Hebei, China
| | - Yanhui Peng
- Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, School and Hospital of Stomatology, Hebei Medical University, Shijiazhuang, Hebei, China
| | - Xuanning Liu
- Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, School and Hospital of Stomatology, Hebei Medical University, Shijiazhuang, Hebei, China
| | - Na Liu
- Department of Preventive Dentistry, School and Hospital of Stomatology, Hebei Medical University, Shijiazhuang, Hebei, China
| | - Qing Liu
- Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, School and Hospital of Stomatology, Hebei Medical University, Shijiazhuang, Hebei, China
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Mohn C, Troncoso G, Ossola C, Bozzini C, Elverdin JC, Fernández-Solari J. Deleterious effect of chronic high-dose ethanol intake on biomechanical bone properties and periodontal status. Odontology 2024; 112:855-863. [PMID: 38157109 DOI: 10.1007/s10266-023-00872-3] [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: 07/10/2023] [Accepted: 11/05/2023] [Indexed: 01/03/2024]
Abstract
To evaluate the effect of high-graduation chronic ethanol (EtOH) intake on bone and periodontal tissues of rats. Male Wistar rats (250 g) were divided into two groups of n = 12 each one. EtOH (5 ml of 3 g/kg) was administered to the experimental group by gastric gavage twice a day for 20 days and the control group received water under the same conditions. The rats were euthanized and used to perform biochemical determination in plasma and gingival tissue, and histological and biomechanical studies in the femur and mandibular tissues. Alcohol increased both TNFα (p < 0.01) and PGE2 (p < 0.05) in plasma and gingiva (p < 0.05) as compared to controls. In addition, EtOH increased the alveolar bone loss as evidenced by the increased distance between the cement enamel junction and the alveolar crest (p < 0.01), the lower % of interradicular bone expressed as bone area/total area (B.Ar/T.Ar, p < 0.05) and the larger periodontal space (p < 0.05), as compared to controls. Likewise, the mandibular microtomographic analysis in alcoholized rats revealed a lower % of interradicular bone volume/total volume (BV/TV, p < 0.05), greater trabecular separation (p < 0.05) and greater % trabecular porosity (p < 0.05) than controls. No biomechanical alteration was observed in lower jaws, while the femur of alcoholized rats presented a decrease in the structural bone properties (p < 0.001), as a systemic consequence of deterioration of the diaphyseal architecture (p < 0.01) without changes in material properties. The consumption of high doses of alcohol produces deleterious effects on periodontal tissues that could be due not only to local but also systemic effects.
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Affiliation(s)
- Claudia Mohn
- Faculty of Dentistry, University of Buenos Aires, Marcelo T. de Alvear 2142, 3ºA, CABA, 1122, Buenos Aires, Argentina.
- National Council for Scientific and Technical Research (CONICET), Buenos Aires, Argentina.
| | - Gastón Troncoso
- Faculty of Dentistry, University of Buenos Aires, Marcelo T. de Alvear 2142, 3ºA, CABA, 1122, Buenos Aires, Argentina
| | - Cesar Ossola
- Faculty of Dentistry, University of Buenos Aires, Marcelo T. de Alvear 2142, 3ºA, CABA, 1122, Buenos Aires, Argentina
| | - Clarisa Bozzini
- Faculty of Dentistry, University of Buenos Aires, Marcelo T. de Alvear 2142, 3ºA, CABA, 1122, Buenos Aires, Argentina
| | - Juan Carlos Elverdin
- Faculty of Dentistry, University of Buenos Aires, Marcelo T. de Alvear 2142, 3ºA, CABA, 1122, Buenos Aires, Argentina
| | - Javier Fernández-Solari
- Faculty of Dentistry, University of Buenos Aires, Marcelo T. de Alvear 2142, 3ºA, CABA, 1122, Buenos Aires, Argentina
- National Council for Scientific and Technical Research (CONICET), Buenos Aires, Argentina
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Zhu L, Zhou C, Chen S, Huang D, Jiang Y, Lan Y, Zou S, Li Y. Osteoporosis and Alveolar Bone Health in Periodontitis Niche: A Predisposing Factors-Centered Review. Cells 2022; 11:3380. [PMID: 36359775 PMCID: PMC9657655 DOI: 10.3390/cells11213380] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 10/19/2022] [Accepted: 10/19/2022] [Indexed: 11/26/2023] Open
Abstract
Periodontitis is a periodontal inflammatory condition that results from disrupted periodontal host-microbe homeostasis, manifested by the destruction of tooth-supporting structures, especially inflammatory alveolar bone loss. Osteoporosis is characterized by systemic deterioration of bone mass and microarchitecture. The roles of many systemic factors have been identified in the pathogenesis of osteoporosis, including endocrine change, metabolic disorders, health-impaired behaviors and mental stress. The prevalence rate of osteoporotic fracture is in sustained elevation in the past decades. Recent studies suggest that individuals with concomitant osteoporosis are more vulnerable to periodontal impairment. Current reviews of worse periodontal status in the context of osteoporosis are limited, mainly centering on the impacts of menopausal and diabetic osteoporosis on periodontitis. Herein, this review article makes an effort to provide a comprehensive view of the relationship between osteoporosis and periodontitis, with a focus on clarifying how those risk factors in osteoporotic populations modify the alveolar bone homeostasis in the periodontitis niche.
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Affiliation(s)
| | | | | | | | | | | | | | - Yuyu Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
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Makrygiannakis MA, Athanasiou CA, Kaklamanos EG. May alcoholic and non-alcoholic drinks affect the rate of orthodontic tooth movement? A systematic review of animal studies. Eur J Orthod 2022; 45:186-195. [PMID: 36056904 DOI: 10.1093/ejo/cjac052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Abstract
BACKGROUND Humans may consume various beverages in everyday life. Previous research has shown that the administration of different substances (medicinal or not) may affect bone turnover and, thus, orthodontic tooth movement. It would be anticipated that the substances contained in beverages could have an impact on tooth movement, as well. OBJECTIVE To investigate in a systematic way and appraise the quality of the available evidence from animal studies regarding the impact of various drinks or the main ingredients included in beverages on the rate of orthodontic tooth movement. SEARCH METHODS Search without restriction in six databases (including grey literature) and hand searching were performed until March 2022. SELECTION CRITERIA We looked for controlled animal studies investigating the effect of drinks, or the main ingredients included in beverages, on the rate of orthodontic tooth movement. DATA COLLECTION AND ANALYSIS After study retrieval and selection, relevant data was extracted, and the risk of bias was assessed using the SYRCLE's Risk of Bias Tool. The quality of available evidence was assessed with the Grades of Recommendation, Assessment, Development, and Evaluation. RESULTS The initially identified records were finally reduced to nine studies conducted on animals. Carbonated soft drinks were shown to decrease the rate of tooth movement, but alcohol consumption did not have an impact. Exploratory meta-analysis showed that caffeine exhibited an acceleratory effect after 3 weeks of force application. Exploratory meta-regression results indicated that high dosages of caffeine reduced the rate of tooth movement. CONCLUSIONS The located animal experiments reported that caffeine accelerates, carbonated drinks decelerate, while alcohol does not affect the rate of orthodontic tooth movement. However, due to various limitations it remains unclear whether caffeine, alcohol, or carbonated drinks finally influence tooth movement in animal studies. REGISTRATION Open Science Framework (https://osf.io/jyhbd/).
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Affiliation(s)
| | | | - Eleftherios G Kaklamanos
- Department of Dentistry, European University Cyprus, Nicosia, Cyprus
- School of Dentistry, Aristotle University of Thessaloniki, Greece
- Hamdan Bin Mohammed College of Dental Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, United Arab Emirates
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de Almeida JM, Pazmino VFC, Novaes VCN, Bomfim SRM, Nagata MJH, Oliveira FLP, Matheus HR, Ervolino E. Chronic consumption of alcohol increases alveolar bone loss. PLoS One 2020; 15:e0232731. [PMID: 32817640 PMCID: PMC7446912 DOI: 10.1371/journal.pone.0232731] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Accepted: 07/22/2020] [Indexed: 02/04/2023] Open
Abstract
This study evaluated the effects of the chronic consumption of different concentrations of alcohol on the experimental periodontitis (EP). 160 rats were divided into 4 groups: (EP-NT) rats with EP and no alcohol exposure; (EP-A14) rats with EP exposed to 14% alcohol; (EP-A25) rats with EP exposed to 25% alcohol; (EP-A36) rats with EP exposed to 36% alcohol. The animals from the EP-A14, EP-A25 and EP-A36 groups were subjected to different concentrations of alcohol 30 days before EP induction. The histological characteristics, percentage of bone in the furcation (PBF) and bone metabolism in the furcation region were evaluated. The PBF and tartrate-resistant acid phosphatase (TRAP) data were subjected to statistical analysis. The EP-A14, EP-A25 and EP-A36 groups had lower PBFs compared with the EP-NT group. A more severe inflammatory process and a greater number of TRAP+ cells were also observed. In the EP-A14, EP-A25 and EP-A36 groups, the inflammatory process became more severe as the ingested alcoholic concentration increased. An increase in RANKL immunolabeling and a significantly higher number of TRAP+ cells were also observed. We conclude that chronic alcohol consumption increases the severity of experimental periodontitis in a dose-dependent manner by increasing the magnitude of local inflammatory responses and stimulating alveolar bone resorption.
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Affiliation(s)
- Juliano Milanezi de Almeida
- Department of Diagnosis and Surgery—Division of Periodontics, São Paulo State University (Unesp), School of Dentistry, Araçatuba, SP, Brazil
- * E-mail:
| | - Victor Fabrizio Cabrera Pazmino
- Department of Diagnosis and Surgery—Division of Periodontics, São Paulo State University (Unesp), School of Dentistry, Araçatuba, SP, Brazil
| | - Vivian Cristina Noronha Novaes
- Department of Diagnosis and Surgery—Division of Periodontics, São Paulo State University (Unesp), School of Dentistry, Araçatuba, SP, Brazil
| | - Suely Regina Mogami Bomfim
- Department of Clinic, Surgery and Animal Reproduction, São Paulo State University (Unesp), School of Veterinary Medicine, Araçatuba, SP, Brazil
| | - Maria José Hitomi Nagata
- Department of Diagnosis and Surgery—Division of Periodontics, São Paulo State University (Unesp), School of Dentistry, Araçatuba, SP, Brazil
| | - Fred Lucas Pinto Oliveira
- Department of Diagnosis and Surgery—Division of Periodontics, São Paulo State University (Unesp), School of Dentistry, Araçatuba, SP, Brazil
| | - Henrique Rinald Matheus
- Department of Diagnosis and Surgery—Division of Periodontics, São Paulo State University (Unesp), School of Dentistry, Araçatuba, SP, Brazil
| | - Edilson Ervolino
- Department of Basic Sciences, São Paulo State University (Unesp), School of Dentistry, Araçatuba, SP, Brazil
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Schröder A, Küchler EC, Omori M, Spanier G, Proff P, Kirschneck C. Effects of ethanol on human periodontal ligament fibroblasts subjected to static compressive force. Alcohol 2019; 77:59-70. [PMID: 30336201 DOI: 10.1016/j.alcohol.2018.10.004] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 10/08/2018] [Accepted: 10/09/2018] [Indexed: 11/29/2022]
Abstract
Consumption of toxic substances such as alcohol is widespread in the general population and thus also in patients receiving orthodontic treatment. Since human periodontal ligament (hPDL) fibroblasts play a key role in orthodontic tooth movement (OTM) by expressing cytokines and chemokines, we wanted to clarify whether ethanol modulates the physiological activity and expression pattern of hPDL fibroblasts during static compressive force application. We pre-incubated hPDL fibroblasts for 24 h with different ethanol concentrations, corresponding to casual (0.041% blood alcohol concentration [BAC], % by volume) and excessive (0.179%) alcohol consumption. At each ethanol concentration, we incubated the cells for another 48 h with and without an additional physiological compressive force of 2 g/cm2 occurring during orthodontic tooth movement in compression areas of the periodontal ligament. Thereafter, we analyzed expression and secretion of genes and proteins involved in OTM regulation by RT-qPCR and ELISA. We also performed co-culture experiments to observe hPDL-fibroblast-mediated osteoclastogenesis. We observed no effects of ethanol on cytotoxicity or cell viability of hPDL fibroblasts in the applied concentrations. Ethanol showed an enhancing effect on angiogenesis and activity of alkaline phosphatase. Simultaneously, ethanol reduced the induction of IL-6 and increased prostaglandin E2 synthesis as well as hPDL-fibroblast-mediated osteoclastogenesis without affecting the RANK-L/OPG-system. hPDL fibroblasts thus seem to be a cell type quite resistant to ethanol, as no cytotoxic effects or influence on cell viability were detected. High ethanol concentrations, however, seem to promote bone formation and angiogenesis. Ethanol at 0.179% also enhanced hPDL-induced osteoclastogenesis, indicating increased bone resorption and thus tooth movement velocity to be expected during orthodontic therapy.
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Affiliation(s)
- Agnes Schröder
- Department of Orthodontics, University Hospital Regensburg, Regensburg, Germany.
| | | | - Marjorie Omori
- School of Dentistry of Ribeirão Preto, University of São Paulo, Brazil
| | - Gerrit Spanier
- Department of Cranio-Maxillo-Facial Surgery, University Hospital Regensburg, Regensburg, Germany
| | - Peter Proff
- Department of Orthodontics, University Hospital Regensburg, Regensburg, Germany
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de Souza DM, Rodrigues VA, Silva ADA, Gonsalves VS, Pereira KA, Nishioka RS, de Carvalho C. Influence of different alcohol intake frequencies on alveolar bone loss in adult rats: A sem study. J Clin Exp Dent 2018; 10:e852-e857. [PMID: 30386516 PMCID: PMC6203929 DOI: 10.4317/jced.54647] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Accepted: 07/18/2018] [Indexed: 11/05/2022] Open
Abstract
Background Alcohol intake is associated with oral diseases and bone changes including alveolar bone loss in humans and in experimental animals. The main aim of the present study is to assess the effect of long-term alcohol intake, at different frequencies, on periodontal bone loss (PBL) in adult rats. Material and Methods Thirty-six (36) rats were divided into 3 groups: Control (daily water intake, n=12), daily alcohol intake (20% ethanol, n=12), and social alcohol intake (20% ethanol twice a week, n=12). The rats were sacrificed after 90 days and their right maxillae were removed. Initially, a random portion from each group was analyzed through SEM (scanning electron microscope) to assess surface topography. Next, all pieces were dissected and stained with methylene blue 1% and photographed in stereomicroscope at 10x magnification. The PBL was assessed by measuring the distance between cement-enamel junction and alveolar bone crest. Results Results showed higher (p=0.0368) alcohol solution amount in the daily intake group than in the twice week intake one. The SEM showed qualitatively flat bone surface in the control group, the social intake group presented surface with few minor hollows, and the daily intake group evidenced increased number and diameter of wells. The comparison between groups showed higher bone loss (p<0.05) in both frequencies than in the control, but the bone loss was lower (p<0.05) in the social alcohol intake group than in the daily intake one. Conclusions Alcohol intake may cause alveolar bone loss in periodontitis-free rats depending on the frequency. Key words:Alcohol intake, alveolar bone loss, alcohol-induced periodontitis, alcoholic rats.
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Affiliation(s)
- Daniela-Martins de Souza
- DDs, MSc, PhD, Professor, College of Pindamonhangaba, Christian Life University Foundation-FUNVIC. Addres: Rua Marechal Deodoro da Fonseca, 316 - Centro, Pindamonhangaba, São Paulo, Brazil
| | - Vinicius-Anéas Rodrigues
- DDs, MSc, PhD, Professor, College of Pindamonhangaba, Christian Life University Foundation-FUNVIC. Addres: Rua Marechal Deodoro da Fonseca, 316 - Centro, Pindamonhangaba, São Paulo, Brazil
| | - Alan-de Aquino Silva
- DDs, College of Pindamonhangaba, Christian Life University Foundation-FUNVIC. Addres: Rua Marechal Deodoro da Fonseca, 316 - Centro, Pindamonhangaba, São Paulo, Brazil
| | - Vitor-Sulz Gonsalves
- DDs, College of Pindamonhangaba, Christian Life University Foundation-FUNVIC. Addres: Rua Marechal Deodoro da Fonseca, 316 - Centro, Pindamonhangaba, São Paulo, Brazil
| | - Kauê-Alberto Pereira
- DDs, College of Pindamonhangaba, Christian Life University Foundation-FUNVIC. Addres: Rua Marechal Deodoro da Fonseca, 316 - Centro, Pindamonhangaba, São Paulo, Brazil
| | - Renato-Sussumu Nishioka
- DDs, MSc, PhD, Adjunct Professor, Department of Dental Materials and Proshodontics, São Paulo State University (Unesp), Institute of Science and Technology, Institute of Science and Technology, São José dos Campos / SP, Brazil. Address: Av Engenheiro Francisco José Longo, 777, Jardim São Dimas, São José dos Campos, São Paulo, Brazil
| | - Claudemir de Carvalho
- MSc, PhD, Professor, College of Pindamonhangaba, Christian Life University Foundation-FUNVIC. Addres: Rua Marechal Deodoro da Fonseca, 316 - Centro, Pindamonhangaba, São Paulo, Brazil
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Wagner MC, Haas AN, Oppermann RV, Rosing CK, Albandar JM, Susin C. Effect of Alcohol Consumption on Clinical Attachment Loss Progression in an Urban Population From South Brazil: A 5-Year Longitudinal Study. J Periodontol 2017; 88:1271-1280. [DOI: 10.1902/jop.2017.170231] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Marcius C. Wagner
- Department of Periodontology, Faculty of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Alex N. Haas
- Department of Periodontology, Faculty of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Rui V. Oppermann
- Department of Periodontology, Faculty of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Cassiano K. Rosing
- Department of Periodontology, Faculty of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Jasim M. Albandar
- Department of Periodontology and Oral Implantology, Temple University School of Dentistry, Philadelphia, PA
| | - Cristiano Susin
- Department of Periodontology, Dental College of Georgia, Augusta University, Augusta, GA
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9
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Barcia JM, Portolés S, Portolés L, Urdaneta AC, Ausina V, Pérez-Pastor GMA, Romero FJ, Villar VM. Does Oxidative Stress Induced by Alcohol Consumption Affect Orthodontic Treatment Outcome? Front Physiol 2017; 8:22. [PMID: 28179886 PMCID: PMC5263147 DOI: 10.3389/fphys.2017.00022] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Accepted: 01/10/2017] [Indexed: 12/26/2022] Open
Abstract
HIGHLIGHTS Ethanol, Periodontal ligament, Extracellular matrix, Orthodontic movement. Alcohol is a legal drug present in several drinks commonly used worldwide (chemically known as ethyl alcohol or ethanol). Alcohol consumption is associated with several disease conditions, ranging from mental disorders to organic alterations. One of the most deleterious effects of ethanol metabolism is related to oxidative stress. This promotes cellular alterations associated with inflammatory processes that eventually lead to cell death or cell cycle arrest, among others. Alcohol intake leads to bone destruction and modifies the expression of interleukins, metalloproteinases and other pro-inflammatory signals involving GSKβ, Rho, and ERK pathways. Orthodontic treatment implicates mechanical forces on teeth. Interestingly, the extra- and intra-cellular responses of periodontal cells to mechanical movement show a suggestive similarity with the effects induced by ethanol metabolism on bone and other cell types. Several clinical traits such as age, presence of systemic diseases or pharmacological treatments, are taken into account when planning orthodontic treatments. However, little is known about the potential role of the oxidative conditions induced by ethanol intake as a possible setback for orthodontic treatment in adults.
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Affiliation(s)
- Jorge M. Barcia
- School of Medicine and Dentistry, Universidad Católica de Valencia San Vicente MártirValencia, Spain
| | - Sandra Portolés
- School of Medicine and Dentistry, Universidad Católica de Valencia San Vicente MártirValencia, Spain
| | - Laura Portolés
- School of Medicine and Dentistry, Universidad Católica de Valencia San Vicente MártirValencia, Spain
| | - Alba C. Urdaneta
- School of Medicine and Dentistry, Universidad Católica de Valencia San Vicente MártirValencia, Spain
| | - Verónica Ausina
- Facultad de Ciencias de la Salud, Universidad Europea de ValenciaValencia, Spain
| | - Gema M. A. Pérez-Pastor
- School of Medicine and Dentistry, Universidad Católica de Valencia San Vicente MártirValencia, Spain
| | - Francisco J. Romero
- School of Medicine and Dentistry, Universidad Católica de Valencia San Vicente MártirValencia, Spain
- Facultad de Ciencias de la Salud, Universidad Europea de ValenciaValencia, Spain
| | - Vincent M. Villar
- Department of Biomedical Sciences, Universidad Cardenal Herrera, CEUMoncada, Spain
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10
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Ossola CA, Surkin PN, Mohn CE, Elverdin JC, Fernández-Solari J. Anti-Inflammatory and Osteoprotective Effects of Cannabinoid-2 Receptor Agonist HU-308 in a Rat Model of Lipopolysaccharide-Induced Periodontitis. J Periodontol 2016; 87:725-34. [PMID: 26846967 DOI: 10.1902/jop.2016.150612] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
BACKGROUND Anti-inflammatory and immunologic properties of cannabinoids have been reported in several tissues. Expression of cannabinoid receptor Type 2 was reported in osteoblasts and osteoclasts, suggesting a key role in bone metabolism. The aim of this study is to assess the effect of treatment with cannabinoid-2 receptor agonist HU-308 in the oral health of rats subjected to lipopolysaccharide (LPS)-induced periodontitis. METHODS Twenty-four rats were distributed in four groups (six rats per group): 1) control rats; 2) sham rats; 3) rats submitted to experimental periodontitis (LPS); and 4) rats submitted to experimental periodontitis and treated with HU-308 (LPS+HU). In groups LPS and LPS+HU, periodontitis was induced by LPS (1 mg/mL) injected into the gingival tissue (GT) of maxillary and mandibular first molars and into the interdental space between the first and second molars, 3 days per week for 6 weeks. In group LPS+HU, HU-308 (500 ng/mL) was applied topically to the GT daily. RESULTS Alveolar bone loss resulting from LPS-induced periodontitis was significantly attenuated with HU-308 treatment (LPS+HU), measured by macroscopic and histologic examination. Treatment also reduced gingival production of inflammatory mediators augmented in LPS-injected rats, such as: 1) inducible nitric oxide (iNOS) activity (LPS: 90.18 ± 36.51 pmol/minute/mg protein versus LPS+HU: 16.37 ± 4.73 pmol/minute/mg protein; P <0.05); 2) tumor necrosis factor alpha (LPS: 185.70 ± 25.63 pg/mg protein versus LPS+HU: 95.89 ± 17.47 pg/mg protein; P <0.05); and 3) prostaglandin E2 (PGE2) (LPS: 159.20 ± 38.70 pg/mg wet weight versus LPS+HU: 71.25 ± 17.75 pg/mg wet weight; P <0.05). Additionally, HU-308 treatment prevented the inhibitory effect of LPS-induced periodontitis on the salivary secretory response to pilocarpine. Moreover, iNOS activity and PGE2 content, which were increased by LPS-induced periodontitis in the submandibular gland, returned to control values after HU-308 treatment. CONCLUSION This study demonstrates anti-inflammatory, osteoprotective, and prohomeostatic effects of HU-308 in oral tissues of rats with LPS-induced periodontitis.
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Affiliation(s)
- Cesar A Ossola
- Department of Physiology, Faculty of Dentistry, University of Buenos Aires, Buenos Aires, Argentina
| | - Pablo N Surkin
- Department of Physiology, Faculty of Dentistry, University of Buenos Aires, Buenos Aires, Argentina.,National Council of Scientific and Technical Research (CONICET), Buenos Aires, Argentina
| | - Claudia E Mohn
- Department of Physiology, Faculty of Dentistry, University of Buenos Aires, Buenos Aires, Argentina.,National Council of Scientific and Technical Research (CONICET), Buenos Aires, Argentina
| | - Juan C Elverdin
- Department of Physiology, Faculty of Dentistry, University of Buenos Aires, Buenos Aires, Argentina
| | - Javier Fernández-Solari
- Department of Physiology, Faculty of Dentistry, University of Buenos Aires, Buenos Aires, Argentina.,National Council of Scientific and Technical Research (CONICET), Buenos Aires, Argentina
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