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Duran-Pinedo A, Solbiati J, Teles F, Teles R, Zang Y, Frias-Lopez J. Long-term dynamics of the human oral microbiome during clinical disease progression. BMC Biol 2021; 19:240. [PMID: 34742306 PMCID: PMC8572441 DOI: 10.1186/s12915-021-01169-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Accepted: 10/19/2021] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Oral microbiome dysbiosis is linked to overt inflammation of tooth-supporting tissues, leading to periodontitis, an oral condition that can cause tooth and bone loss. Microbiome dysbiosis has been described as a disruption in the symbiotic microbiota composition's stability that could adversely affect the host's health status. However, the precise microbiome dynamics that lead to dysbiosis and the progression of the disease are largely unknown. The objective of our study was to investigate the long-term dynamics of periodontitis progression and its connection to dysbiosis. RESULTS We studied three different teeth groups: sites that showed disease progression, sites that remained stable during the study, and sites that exhibited a cyclic deepening followed by spontaneous recovery. Time-series analysis revealed that communities followed a characteristic succession of bacteria clusters. Stable and fluctuating sites showed high asynchrony in the communities (i.e., different species responding dissimilarly through time) and a reordering of the communities where directional changes dominated (i.e., sample distance increases over time) in the stable sites but not in the fluctuating sites. Progressing sites exhibited low asynchrony and convergence (i.e., samples distance decreases over time). Moreover, new species were more likely to be recruited in stable samples if a close relative was not recruited previously. In contrast, progressing and fluctuating sites followed a neutral recruitment model, indicating that competition between closely related species is a significant component of species-species interactions in stable samples. Finally, periodontal treatment did not select similar communities but stabilized α-diversity, centered the abundance of different clusters to the mean, and increased community rearrangement. CONCLUSIONS Here, we show that ecological principles can define dysbiosis and explain the evolution and outcomes of specific microbial communities of the oral microbiome in periodontitis progression. All sites showed an ecological succession in community composition. Stable sites were characterized by high asynchrony, a reordering of the communities where directional changes dominated, and new species were more likely to be recruited if a close relative was not recruited previously. Progressing sites were characterized by low asynchrony, community convergence, and a neutral model of recruitment. Finally, fluctuating sites were characterized by high asynchrony, community convergence, and a neutral recruitment model.
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Affiliation(s)
- Ana Duran-Pinedo
- Department of Oral Biology, University of Florida, College of Dentistry, 1395 Center Drive, Gainesville, FL, 32610-0424, USA
| | - Jose Solbiati
- Department of Oral Biology, University of Florida, College of Dentistry, 1395 Center Drive, Gainesville, FL, 32610-0424, USA
| | - Flavia Teles
- Department of Basic & Translational Sciences, University of Pennsylvania, School of Dental Medicine, 240 South 40th Street, Philadelphia, PA, 19104-6030, USA
| | - Ricardo Teles
- Department of Periodontics, University of Pennsylvania, School of Dental Medicine, 240 South 40th Street, Philadelphia, PA, 19104-6030, USA
| | - Yanping Zang
- Gene Expression & Genotyping Core, Interdisciplinary Center for Biotechnology Research, University of Florida, 178 B CGRC, 2033 Mowry Road, Gainesville, FL, 32610, USA
| | - Jorge Frias-Lopez
- Department of Oral Biology, University of Florida, College of Dentistry, 1395 Center Drive, Gainesville, FL, 32610-0424, USA.
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Clark-Perry D, Van der Weijden G, Berkhout W, Wang T, Levin L, Slot D. ACCURACY OF CLINICAL AND RADIOGRAPHIC MEASUREMENTS OF PERIODONTAL INFRABONY DEFECTS OF DIAGNOSTIC TEST ACCURACY (DTA) STUDIES: A SYSTEMATIC REVIEW AND META-ANALYSIS. J Evid Based Dent Pract 2021; 22:101665. [DOI: 10.1016/j.jebdp.2021.101665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 10/08/2021] [Accepted: 11/06/2021] [Indexed: 10/19/2022]
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Ye CJ, Wu M, Chen SW, Yang XQ, Li HJ, Zhu SJ, Zhou FM, Hao Y. Association between periodontal indexes and biomarkers in gingival crevicular fluid and preterm birth in pregnancy: a nested case-control study. HUA XI KOU QIANG YI XUE ZA ZHI = HUAXI KOUQIANG YIXUE ZAZHI = WEST CHINA JOURNAL OF STOMATOLOGY 2021; 39:58-63. [PMID: 33723938 DOI: 10.7518/hxkq.2021.01.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
OBJECTIVES This study aimed to investigate the association between periodontal indexes and biomarkers in gingival crevicular fluid (GCF) and preterm birth (PTB) in pregnancy, as well as to assess the clinical value of these indexes as predictors of PTB. METHODS A nested case-control study was conducted. A total of 300 systematically healthy pregnant women were selected within 36 weeks of gestation and grouped according to the enrolled weeks. Periodontal indexes, including probing depth (PD), bleeding index (BI), gingival index (GI), and five biomarkers in GCF, including interleukin (IL)-1β, IL-6, tumor necrosis factor-α (TNF-α), prostaglandin E2 (PGE2), and 8-hydroxy-2-deoxyguanosine (8-OHdG) were measured at the enrolled date. The detailed birth outcome was recorded. RESULTS Only women at 24-28 weeks of gestation per PTB case (four full-term births) were selected as controls subjects, PTB displayed significantly greater GI, BI, and 8-OHdG (P<0.05). Logistic regression analysis revealed that BI and 8-OHdG were the dependent risk factors of PTB (OR=5.90, P=0.034; OR=1.18, P=0.045, respectively). The areas under the receiver operating characteristic curve (ROC) of BI and 8-OHdG were 0.80 and 0.69, and that of the combined detection was 0.82, which was larger than the individual detection, although the differences were not significant (P>0.05). CONCLUSIONS Increased BI and 8-OHdG at 24-28 weeks of gestation are risk factors for PTB. Their combined detection may have some value in the prediction of PTB, but further studies with a larger sample size are needed to explore it and thus provide experiment evidence for establishing an early warning system for PTB in pregnant women with periodontal disease.
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Affiliation(s)
- Chan-Juan Ye
- Dept. of Stomatology, The Affiliated Shenzhen Maternity and Child Healthcare Hospital of the South Medical University, Shenzhen 518048, China
| | - Min Wu
- Dept. of Stomatology, The Affiliated Shenzhen Maternity and Child Healthcare Hospital of the South Medical University, Shenzhen 518048, China
| | - Shao-Wu Chen
- Dept. of Stomatology, The Affiliated Shenzhen Maternity and Child Healthcare Hospital of the South Medical University, Shenzhen 518048, China
| | - Xiu-Qiao Yang
- Dept. of Stomatology, The Affiliated Shenzhen Maternity and Child Healthcare Hospital of the South Medical University, Shenzhen 518048, China
| | - Hui-Jun Li
- Dept. of Stomatology, The Affiliated Shenzhen Maternity and Child Healthcare Hospital of the South Medical University, Shenzhen 518048, China
| | - Su-Jun Zhu
- Dept. of Obstetrics and Gynecology, The Affiliated Shenzhen Maternity and Child Healthcare Hospital of the South Medical University, Shenzhen 518048, China
| | - Fang-Ming Zhou
- Clinical Laboratory, The Affiliated Shenzhen Maternity and Child Healthcare Hospital of the South Medical University, Shenzhen 518048, China
| | - Ying Hao
- Clinical Laboratory, The Affiliated Shenzhen Maternity and Child Healthcare Hospital of the South Medical University, Shenzhen 518048, China
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Vitkov L, Minnich B, Knopf J, Schauer C, Hannig M, Herrmann M. NETs Are Double-Edged Swords with the Potential to Aggravate or Resolve Periodontal Inflammation. Cells 2020; 9:E2614. [PMID: 33291407 PMCID: PMC7762037 DOI: 10.3390/cells9122614] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 12/01/2020] [Accepted: 12/02/2020] [Indexed: 12/24/2022] Open
Abstract
Periodontitis is a general term for diseases characterised by inflammatory destruction of tooth-supporting tissues, gradual destruction of the marginal periodontal ligament and resorption of alveolar bone. Early-onset periodontitis is due to disturbed neutrophil extracellular trap (NET) formation and clearance. Indeed, mutations that inactivate the cysteine proteases cathepsin C result in the massive periodontal damage seen in patients with deficient NET formation. In contrast, exaggerated NET formation due to polymorphonuclear neutrophil (PMN) hyper-responsiveness drives the pathology of late-onset periodontitis by damaging and ulcerating the gingival epithelium and retarding epithelial healing. Despite the gingival regeneration, periodontitis progression ends with almost complete loss of the periodontal ligament and subsequent tooth loss. Thus, NETs help to maintain periodontal health, and their dysregulation, either insufficiency or surplus, causes heavy periodontal pathology and edentulism.
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Affiliation(s)
- Ljubomir Vitkov
- Department of Biosciences, Vascular & Exercise Biology Unit, University of Salzburg, 5020 Salzburg, Austria; (L.V.); (B.M.)
- Clinic of Operative Dentistry, Periodontology and Preventive Dentistry, Saarland University, 66424 Homburg, Germany
| | - Bernd Minnich
- Department of Biosciences, Vascular & Exercise Biology Unit, University of Salzburg, 5020 Salzburg, Austria; (L.V.); (B.M.)
| | - Jasmin Knopf
- Department of Internal Medicine 3—Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, 91054 Erlangen, Germany; (J.K.); (C.S.); (M.H.)
| | - Christine Schauer
- Department of Internal Medicine 3—Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, 91054 Erlangen, Germany; (J.K.); (C.S.); (M.H.)
| | - Matthias Hannig
- Clinic of Operative Dentistry, Periodontology and Preventive Dentistry, Saarland University, 66424 Homburg, Germany
| | - Martin Herrmann
- Department of Internal Medicine 3—Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, 91054 Erlangen, Germany; (J.K.); (C.S.); (M.H.)
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Rossi V, Romagna R, Angst PDM, Gomes SC. Gingival crevicular fluid response to protocols of non-surgical periodontal therapy: A longitudinal evaluation. Indian J Dent Res 2019; 30:736-741. [PMID: 31854365 DOI: 10.4103/ijdr.ijdr_148_16] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Context and Aim Gingival crevicular fluid (GCF) volume reflects the level of periodontal inflammation. This secondary analysis aimed to evaluate the GCF volume in patients submitted to non-surgical periodontal therapies under a split-mouth design. Materials and Methods GCF volume of 25 participants (47.24 ± 6.47 years) with moderate-to-severe chronic periodontitis was collected at Days 0, 30, 60, 90, 120, 270, and 450. The participants were submitted to three different non-surgical therapies randomly assigned per quadrant [GI: supragingival control (Supra) as only intervention (one quadrant); GII: Supra plus scaling and root planing (SRP) on Day 0 (two quadrants); GIII: Supra on Day 0 and SRP 30 days later (one quadrant)]. During treatment (0-60 days) and maintenance (90-450 days) participants were submitted to supragingival plaque control reinforcements. GCF volumes were analyzed after logarithmic transformation (log10) and linear models were used for intra- and inter-group comparisons, considering the data dependence. Results Baseline GCF volumes were similar between groups (GI: 0.39 ± 0.22 μl; GII: 0.42 ± 0.26 μl; GIII: 0.41 ± 0.14 μl;P > 0.05). At Day 60, GCF volumes were significantly reduced (GI: 0.20 ± 0.13 μl; GII: 0.18 ± 0.11 μl; GIII: 0.22 ± 0.13 μl; P < 0.001), without inter-groups differences. These results were maintained along maintenance period (P > 0.05). Even in sites bleeding on probing (BOP) + the means of GCF volume did not differ between groups (P > 0.05). Conclusions All therapies determined reductions on the GCF volume along time. Supragingival plaque control modulated the subgingival area during the study, reinforcing the importance of this control over the subgingival inflammatory response.
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Affiliation(s)
- Vanessa Rossi
- Private Practice, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Rachel Romagna
- Department of Periodontics, School of Dentistry, Lutheran University of Brazil, Canoas, RS, Brazil
| | | | - Sabrina Carvalho Gomes
- Department of Conservative Dentistry, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
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Yashima A, Morozumi T, Yoshie H, Hokari T, Izumi Y, Akizuki T, Mizutani K, Takamatsu H, Minabe M, Miyauchi S, Yoshino T, Tanaka M, Tanaka Y, Gomi K. Biological responses following one‐stage full‐mouth scaling and root planing with and without azithromycin: Multicenter randomized trial. J Periodontal Res 2019; 54:709-719. [DOI: 10.1111/jre.12680] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Revised: 04/22/2019] [Accepted: 06/09/2019] [Indexed: 12/22/2022]
Affiliation(s)
- Akihiro Yashima
- Department of Periodontology, School of Dental Medicine Tsurumi University Yokohama Japan
| | - Toshiya Morozumi
- Division of Periodontology, Department of Oral Interdisciplinary Medicine, School of Dentistry Kanagawa Dental University Yokosuka Japan
- Division of Periodontology, Department of Oral Biological Science Niigata University Graduate School of Medical and Dental Sciences Niigata Japan
| | - Hiromasa Yoshie
- Division of Periodontology, Department of Oral Biological Science Niigata University Graduate School of Medical and Dental Sciences Niigata Japan
| | - Takahiro Hokari
- Division of Periodontology, Department of Oral Biological Science Niigata University Graduate School of Medical and Dental Sciences Niigata Japan
| | - Yuichi Izumi
- Department of Periodontology, Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Tokyo Japan
| | - Tatsuya Akizuki
- Department of Periodontology, Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Tokyo Japan
| | - Koji Mizutani
- Department of Periodontology, Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Tokyo Japan
| | - Hideyuki Takamatsu
- Department of Periodontology, Graduate School of Medical and Dental Sciences Tokyo Medical and Dental University Tokyo Japan
| | - Masato Minabe
- Division of Periodontology, Department of Oral Interdisciplinary Medicine, School of Dentistry Kanagawa Dental University Yokosuka Japan
- Bunkyo‐Dori Dental Clinic Chiba Japan
| | | | | | - Maki Tanaka
- Seikeikai Group Seikeikai Hospital Yokohama Japan
| | | | - Kazuhiro Gomi
- Department of Periodontology, School of Dental Medicine Tsurumi University Yokohama Japan
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Borges CD, Ricoldi MS, Messora MR, Palioto DB, Souza SLSD, Novaes Júnior AB, Taba Jr M. Clinical attachment loss and molecular profile of inflamed sites before treatment. J Appl Oral Sci 2019; 27:e20180671. [PMID: 31508795 PMCID: PMC9648953 DOI: 10.1590/1678-7757-2018-0671] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Accepted: 02/26/2019] [Indexed: 12/30/2022] Open
Abstract
Objective: To monitor early periodontal disease progression and to investigate clinical and molecular profile of inflamed sites by means of crevicular fluid and gingival biopsy analysis. Methodology: Eighty-one samples of twenty-seven periodontitis subjects and periodontally healthy individuals were collected for the study. Measurements of clinical parameters were recorded at day −15, baseline and 2 months after basic periodontal treatment aiming at monitoring early variations ofthe clinical attachment level. Saliva, crevicular fluid and gingival biopsies were harvested from clinically inflamed and non-inflamed sites from periodontal patients and from control sites of healthy patients for the assessment of IL-10, MMP-8, VEGF, RANKL, OPG and TGF-β1 protein and gene expression levels. Results: Baseline IL-10 protein levels from inflamed sites were higher in comparison to both non-inflamed and control sites (p<0.05). Higher expression of mRNA for IL-10, RANK-L, OPG, e TGF-β1 were also observed in inflamed sites at day −15 prior treatment (p<0.05). After the periodontal treatment and the resolution of inflammation, seventeen percent of evaluated sites still showed clinically detectable attachment loss without significant differences in the molecular profile. Conclusions: Clinical attachment loss is a negative event that may occur even after successful basic periodontal therapy, but it is small and limited to a small percentage of sites. Elevated inflammation markers of inflamed sites from disease patients reduced to the mean levels of those observed in healthy subjects after successful basic periodontal therapy. Significantly elevated both gene and protein levels of IL-10 in inflamed sites prior treatment confirms its modulatory role in the disease status.
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Mooney J, Adonogianaki E, Kinane DF. Relative avidity of serum antibodies to putative periodontopathogens in periodontal disease. J Periodontal Res 2018. [DOI: 10.1111/jre.1993.28.6.444] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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9
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Morozumi T, Yashima A, Gomi K, Ujiie Y, Izumi Y, Akizuki T, Mizutani K, Takamatsu H, Minabe M, Miyauchi S, Yoshino T, Tanaka M, Tanaka Y, Hokari T, Yoshie H. Increased systemic levels of inflammatory mediators following one-stage full-mouth scaling and root planing. J Periodontal Res 2018; 53:536-544. [DOI: 10.1111/jre.12543] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/03/2018] [Indexed: 12/29/2022]
Affiliation(s)
- T. Morozumi
- Division of Periodontology; Department of Oral Biological Science; Niigata University Graduate School of Medical and Dental Sciences; Niigata Japan
| | - A. Yashima
- Department of Periodontology; School of Dental Medicine; Tsurumi University; Yokohama Japan
| | - K. Gomi
- Department of Periodontology; School of Dental Medicine; Tsurumi University; Yokohama Japan
| | - Y. Ujiie
- Department of Periodontology; School of Dental Medicine; Tsurumi University; Yokohama Japan
| | - Y. Izumi
- Department of Periodontology; Graduate School of Medical and Dental Sciences; Tokyo Medical and Dental University; Tokyo Japan
| | - T. Akizuki
- Department of Periodontology; Graduate School of Medical and Dental Sciences; Tokyo Medical and Dental University; Tokyo Japan
| | - K. Mizutani
- Department of Periodontology; Graduate School of Medical and Dental Sciences; Tokyo Medical and Dental University; Tokyo Japan
| | - H. Takamatsu
- Department of Periodontology; Graduate School of Medical and Dental Sciences; Tokyo Medical and Dental University; Tokyo Japan
| | - M. Minabe
- Bunkyo-Dori Dental Clinic; Chiba Japan
- Division of Periodontology; Department of Oral Interdisciplinary Medicine; School of Dentistry; Kanagawa Dental University; Yokosuka Japan
| | | | - T. Yoshino
- Seikeikai Hospital; Seikeikai Group; Yokohama Japan
| | - M. Tanaka
- Seikeikai Hospital; Seikeikai Group; Yokohama Japan
| | - Y. Tanaka
- Seikeikai Hospital; Seikeikai Group; Yokohama Japan
| | - T. Hokari
- Division of Periodontology; Department of Oral Biological Science; Niigata University Graduate School of Medical and Dental Sciences; Niigata Japan
| | - H. Yoshie
- Division of Periodontology; Department of Oral Biological Science; Niigata University Graduate School of Medical and Dental Sciences; Niigata Japan
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Teles R, Moss K, Preisser JS, Genco R, Giannobile WV, Corby P, Garcia N, Jared H, Torresyap G, Salazar E, Moya J, Howard C, Schifferle R, Falkner KL, Gillespie J, Dixon D, Cugini M. Patterns of periodontal disease progression based on linear mixed models of clinical attachment loss. J Clin Periodontol 2017; 45:15-25. [PMID: 28985450 DOI: 10.1111/jcpe.12827] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/30/2017] [Indexed: 11/30/2022]
Abstract
AIM The goal of the present longitudinal cohort study was to examine patterns of periodontal disease progression at progressing sites and subjects defined based on linear mixed models (LMM) of clinical attachment loss (CAL). MATERIALS AND METHODS A total of 113 periodontally healthy and 302 periodontitis subjects had their CAL calculated bimonthly for 12 months. LMMs were fitted for each site and the predicted CAL levels used to categorize their progression state. Participants were grouped based on the number of progressing sites into unchanged, transitional and active subjects. Patterns of periodontal disease progression were explored using descriptive statistics. RESULTS Progression occurred primarily at molars (50% of progressing sites) and inter-proximal sites (72%), affected a higher proportion of deep than shallow sites (2.7% versus 0.7%), and pocketing was the main mode of progression (49%). We found a low level of agreement (47%) between the LMM and traditional approaches to determine progression such as change in CAL ≥3 mm. Fourteen per cent of subjects were classified as active and among those 93% had periodontitis. The annual mean rate of progression for the active subjects was 0.35 mm/year. CONCLUSION Progressing sites and subjects defined based on LMMs presented patterns of disease progression similar to those previously reported in the literature.
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Affiliation(s)
- Ricardo Teles
- Department of Periodontics, Penn Dental Medicine, University of Pennsylvania, Philadelphia, PA, USA.,Department of Applied Oral Sciences, Forsyth Institute, Cambridge, MA, USA
| | - Kevin Moss
- Department of Dental Ecology, School of Dentistry, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - John S Preisser
- Department of Biostatistics, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Robert Genco
- Department of Oral Biology, School of Dental Medicine, State University of New York at Buffalo, Buffalo, NY, USA
| | - William V Giannobile
- Department of Periodontics and Oral Medicine, Michigan Center for Oral Health Research, University of Michigan School of Dentistry, Ann Arbor, MI, USA
| | - Patricia Corby
- New York University College of Dentistry, Bluestone Center for Clinical Research, New York, NY, USA
| | - Nathalia Garcia
- Section of Periodontics, Department of Applied Dental Medicine, Southern Illinois University School of Dental Medicine, Alton, IL, USA
| | - Heather Jared
- Rho Inc., Contract Research Organization, Chapel Hill, NC, USA
| | - Gay Torresyap
- Department of Applied Oral Sciences, Forsyth Institute, Cambridge, MA, USA
| | - Elida Salazar
- Department of Applied Oral Sciences, Forsyth Institute, Cambridge, MA, USA
| | - Julie Moya
- New York University College of Dentistry, Bluestone Center for Clinical Research, New York, NY, USA
| | - Cynthia Howard
- New York University College of Dentistry, Bluestone Center for Clinical Research, New York, NY, USA
| | - Robert Schifferle
- Department of Oral Biology, School of Dental Medicine, State University of New York at Buffalo, Buffalo, NY, USA
| | - Karen L Falkner
- Department of Oral Biology, School of Dental Medicine, State University of New York at Buffalo, Buffalo, NY, USA
| | - Jane Gillespie
- Section of Periodontics, Department of Applied Dental Medicine, Southern Illinois University School of Dental Medicine, Alton, IL, USA
| | - Debra Dixon
- Section of Periodontics, Department of Applied Dental Medicine, Southern Illinois University School of Dental Medicine, Alton, IL, USA
| | - MaryAnn Cugini
- Department of Applied Oral Sciences, Forsyth Institute, Cambridge, MA, USA
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Van der Velden U. What exactly distinguishes aggressive from chronic periodontitis: is it mainly a difference in the degree of bacterial invasiveness? Periodontol 2000 2017; 75:24-44. [DOI: 10.1111/prd.12202] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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12
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Dabiri D, Halubai S, Layher M, Klausner C, Makhoul H, Lin GH, Eckert G, Abuhussein H, Kamarajan P, Kapila Y. The Role of Apoptotic Factors in Assessing Progression of Periodontal Disease. INTERNATIONAL JOURNAL OF DENTISTRY AND ORAL SCIENCE 2017; 3:318-325. [PMID: 28540365 PMCID: PMC5440083 DOI: 10.19070/2377-8075-1600064] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Background The mechanisms responsible for periodontal disease progression remain unclear. However, recent studies suggest that apoptosis may be one mechanism underlying the pathophysiology of periodontal disease progression. This pilot study is the 3 month follow-up of our published baseline study on the presence of apoptotic factors in serum, saliva, and gingival crevicular fluid (GCF) and their association with periodontal disease severity and activity. Methods GCF samples were obtained from 37 adult patients with chronic periodontitis (CP) and 7 healthy controls. Clinical measurements, including probing depth (PD), clinical attachment level (CAL), and radiographs, were used to evaluate data by sites and to classify patients into healthy, mild, and moderate/severe CP groups. Enzyme-linked immunosorbent assays were used to measure apoptosis or DNA fragmentation levels in GCF. Western immunoblotting was used to detect several apoptotic proteins, Fas, FasL, sFasL, and caspase-3 expression and its cleavage products in GCF. Results At the patient level clinical and apoptotic measurements change minimally over time. At the site level, DNA fragmentation levels increase with increasing PDs at 3 months and baseline. Apoptotic protein expression exhibits increasing trends with increasing PDs at baseline and 3 months. FasL and Active FasL show a high specificity and PPV; low sensitivity and NPV. Caspase-3 products (ProCas35K and Active Cas) show a high PPV with moderate to high specificity; low sensitivity and NPV. ProCas70K shows a high PPV with moderate to high sensitivity; low specificity and NPV. Conclusion Factors associated with apoptosis show minimal changes in expression in periodontitis groups in comparison to a healthy group over a short time interval (3 months). However, at the site level, apoptotic factors (DNA fragmentation and apoptotic proteins) exhibit significant increases or increasing trends with increasing PDs at any time point examined (baseline or 3 months). Several of these apoptotic factors also exhibit a high sensitivity and high positive predictive value. Thus, apoptotic molecules may be helpful biomarkers of disease status at any point in time.
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Affiliation(s)
- D Dabiri
- Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, USA
| | - S Halubai
- Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, USA
| | - M Layher
- Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, USA
| | - C Klausner
- Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, USA
| | - H Makhoul
- Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, USA
| | - G H Lin
- Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, USA.,Department of Surgical Sciences, Marquette University School of Dentistry, USA
| | - G Eckert
- Department of Biostatistics, Indiana University, USA
| | - H Abuhussein
- Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, USA
| | - P Kamarajan
- Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, USA
| | - Y Kapila
- Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, USA.,Department of Orofacial Sciences, School of Dentistry, University of California San Francisco, USA
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Raghav D, Alqahtani F, Albaker FJ, Bhagat TV, Kola Z. Intricate Assessment and Evaluation of Long-term Implant Success as affected by Clinicomicrobial and Salivary Diagnostics in Type II Diabetic Patients: A Longitudinal Study. J Contemp Dent Pract 2017; 18:405-409. [PMID: 28512281 DOI: 10.5005/jp-journals-10024-2055] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
INTRODUCTION Replacement of missing teeth by dental implants is one of the most common methods employed these days. Because of significant advancement in the design of implants and modifications in the procedure of dental implant surgery, the survival rate of the dental implants has reached up to approximately 95%. Osseointegration is one of the important factors affecting the survival of dental implants. Apart from these, the body's physiologic alterations can also predispose the dental implants for failure. Diabetes is one such metabolic disease characterized by abnormal or delayed wound healing. Hence, we assessed the clinicomicrobial and salivary profile of diabetic patients undergoing rehabilitation by dental implants. MATERIALS AND METHODS This study included diabetic patients who underwent dental implant surgeries for prosthetic rehabilitation. Follow-up records of the patients' up to 1 year were maintained. Various clinicoradiographic and periodontal parameters were measured at various time intervals during follow-up time; 25 mL of salivary and blood sample was taken from all the subjects and was sent to the laboratories for assessment of various salivary biomarkers. All the results were analyzed by Statistical Package for the Social Sciences software. RESULTS The mean level of interleukin-p at baseline time was found to be 2.38 and 2.21 in diabetic group and control group respectively. While comparing the levels of osteoprotegerin in both study groups, a significant correlation was obtained. In diabetic and control group, 62 and 61 years was the mean age of the patients respectively. No significant correlation was obtained while comparing the microbial flora of diabetic and control group. CONCLUSION In both diabetic and nondiabetic patients, similar microbial, salivary marker, and clinicoradiological patterns were seen. CLINICAL SIGNIFICANCE Diabetic patients who maintain their body's metabolic rate show similar success rate of dental implants as seen in nondiabetic patients.
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Affiliation(s)
- Deepti Raghav
- Department of Prosthodontics, Shree Bankey Bihari Dental College & Research Centre, Ghaziabad, Uttar Pradesh, India, Phone: +919990988317, e-mail:
| | - Fawaz Alqahtani
- Department of Prosthetic Dental Sciences, College of Dentistry, Prince Sattam Bin Abdulaziz University, Alkharj Kingdom of Saudi Arabia
| | - Fatima J Albaker
- Department of Prosthodontics, Hamad Medical Corporation Doha, Qatar
| | - Tushar V Bhagat
- Department of Prosthetic Dental Sciences, College of Dentistry, Prince Sattam Bin Abdulaziz University, Alkharj Kingdom of Saudi Arabia
| | - Zaheer Kola
- Department of Prosthetic Dental Sciences, College of Dentistry, Prince Sattam Bin Abdulaziz University, Alkharj Kingdom of Saudi Arabia
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14
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Coli P, Christiaens V, Sennerby L, Bruyn HD. Reliability of periodontal diagnostic tools for monitoring peri-implant health and disease. Periodontol 2000 2016; 73:203-217. [DOI: 10.1111/prd.12162] [Citation(s) in RCA: 83] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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15
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López Silva MC, Diz-Iglesias P, Seoane-Romero JM, Quintas V, Méndez-Brea F, Varela-Centelles P. [Update in family medicine: Periodontal disease]. Semergen 2016; 43:141-148. [PMID: 27068254 DOI: 10.1016/j.semerg.2016.02.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Accepted: 02/05/2016] [Indexed: 01/18/2023]
Abstract
About 85-94% of the Spanish adults older than 35 experience gum problems, and about 15-30% suffer from periodontitis, being severe in up to 5-11% of them. Unlike other inflammatory conditions, periodontal disease rarely causes discomfort, or limits life or causes functional limitations until its advanced stages, when clinical signs and symptoms arise (gingival recession, pathological teeth migration, or mobility). Lack of knowledge about the disease, together with the idea that tooth loss is linked to ageing, frequently results in a late diagnosis, requiring extensive treatments with a worse prognosis. At Primary Care level, there is series of drugs have been related to periodontal disease (anticonvulsants, immunosuppressive drugs, and calcium channel blockers) as secondary effects, which vary as regards their frequency and severity depending of the amount of accumulated plaque. Stress and depression have also been reported to alter the immune response and to increase the inflammatory response as well as periodontal susceptibility. Certain systemic conditions, such as diabetes mellitus, cardiovascular disorders, respiratory diseases, as well as low-weight pre-term birth, have also been linked to periodontitis.
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Affiliation(s)
- M C López Silva
- Atención Primaria, CS Praza do Ferrol, EOXI Lugo, Cervo, e Monforte de Lemos, Servizo Galego de Saúde, Lugo, España
| | - P Diz-Iglesias
- Departamento de Estomatología, Facultad de Medicina y Odontología, Universidad de Santiago de Compostela, Santiago de Compostela, A Coruña, España
| | - J M Seoane-Romero
- Departamento de Estomatología, Facultad de Medicina y Odontología, Universidad de Santiago de Compostela, Santiago de Compostela, A Coruña, España
| | - V Quintas
- Departamento de Estomatología, Facultad de Medicina y Odontología, Universidad de Santiago de Compostela, Santiago de Compostela, A Coruña, España
| | - F Méndez-Brea
- Pregrado de Odontología, Facultad de Medicina y Odontología, Universidad de Santiago de Compostela, Santiago de Compostela, A Coruña, España
| | - P Varela-Centelles
- Atención Primaria, CS Praza do Ferrol, EOXI Lugo, Cervo, e Monforte de Lemos, Servizo Galego de Saúde, Lugo, España; Departamento de Estomatología, Facultad de Medicina y Odontología, Universidad de Santiago de Compostela, Santiago de Compostela, A Coruña, España.
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16
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Teles R, Benecha HK, Preisser JS, Moss K, Starr JR, Corby P, Genco R, Garcia N, Giannobile WV, Jared H, Torresyap G, Salazar E, Moya J, Howard C, Schifferle R, Falkner KL, Gillespie J, Dixon D, Cugini M. Modelling changes in clinical attachment loss to classify periodontal disease progression. J Clin Periodontol 2016; 43:426-34. [PMID: 26935472 PMCID: PMC5021116 DOI: 10.1111/jcpe.12539] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/27/2016] [Indexed: 11/30/2022]
Abstract
AIM The goal of this study was to identify progressing periodontal sites by applying linear mixed models (LMM) to longitudinal measurements of clinical attachment loss (CAL). METHODS Ninety-three periodontally healthy and 236 periodontitis subjects had their CAL measured bi-monthly for 12 months. The proportions of sites demonstrating increases in CAL from baseline above specified thresholds were calculated for each visit. The proportions of sites reversing from the progressing state were also computed. LMM were fitted for each tooth site and the predicted CAL levels used to categorize sites regarding progression or regression. The threshold for progression was established based on the model-estimated error in predictions. RESULTS Over 12 months, 21.2%, 2.8% and 0.3% of sites progressed, according to thresholds of 1, 2 and 3 mm of CAL increase. However, on average, 42.0%, 64.4% and 77.7% of progressing sites for the different thresholds reversed in subsequent visits. Conversely, 97.1%, 76.9% and 23.1% of sites classified as progressing using LMM had observed CAL increases above 1, 2 and 3 mm after 12 months, whereas mean rates of reversal were 10.6%, 30.2% and 53.0% respectively. CONCLUSION LMM accounted for several sources of error in longitudinal CAL measurement, providing an improved method for classifying progressing sites.
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Affiliation(s)
- Ricardo Teles
- Department of Periodontology, School of Dentistry, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.,Department of Applied Oral Sciences, Forsyth Institute, Cambridge, MA, USA
| | - Habtamu K Benecha
- Department of Biostatistics, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - John S Preisser
- Department of Biostatistics, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Kevin Moss
- Department of Dental Ecology, School of Dentistry, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Jacqueline R Starr
- Department of Applied Oral Sciences, Forsyth Institute, Cambridge, MA, USA.,Department of Oral Health Policy and Epidemiology, Harvard School of Dental Medicine, Harvard University, Boston, MA, USA
| | - Patricia Corby
- New York University College of Dentistry, Bluestone Center for Clinical Research, New York, NY, USA
| | - Robert Genco
- Department of Oral Biology, School of Dental Medicine, State University of New York at Buffalo, Buffalo, NY, USA
| | - Nathalia Garcia
- Section of Periodontics, Department of Applied Dental Medicine, Southern Illinois University School of Dental Medicine, Alton, IL, USA
| | - William V Giannobile
- Department of Periodontics and Oral Medicine & Michigan Center for Oral Health Research, University of Michigan School of Dentistry, Ann Arbor, MI, USA
| | - Heather Jared
- Rho Inc., Contract Research Organization, Chapel Hill, NC, USA
| | - Gay Torresyap
- Department of Applied Oral Sciences, Forsyth Institute, Cambridge, MA, USA
| | - Elida Salazar
- Department of Applied Oral Sciences, Forsyth Institute, Cambridge, MA, USA
| | - Julie Moya
- New York University College of Dentistry, Bluestone Center for Clinical Research, New York, NY, USA
| | - Cynthia Howard
- New York University College of Dentistry, Bluestone Center for Clinical Research, New York, NY, USA
| | - Robert Schifferle
- Department of Oral Biology, School of Dental Medicine, State University of New York at Buffalo, Buffalo, NY, USA
| | - Karen L Falkner
- Department of Oral Biology, School of Dental Medicine, State University of New York at Buffalo, Buffalo, NY, USA
| | - Jane Gillespie
- Section of Periodontics, Department of Applied Dental Medicine, Southern Illinois University School of Dental Medicine, Alton, IL, USA
| | - Debra Dixon
- Section of Periodontics, Department of Applied Dental Medicine, Southern Illinois University School of Dental Medicine, Alton, IL, USA
| | - MaryAnn Cugini
- Department of Applied Oral Sciences, Forsyth Institute, Cambridge, MA, USA
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17
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Zaki HAM, Hoffmann KR, Hausmann E, Scannapieco FA. Is Radiologic Assessment of Alveolar Crest Height Useful to Monitor Periodontal Disease Activity? Dent Clin North Am 2015; 59:859-72. [PMID: 26427571 DOI: 10.1016/j.cden.2015.06.009] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
The mainstay of periodontal assessment is clinical probing. Radiographic assessment provides quantitative information on the status of tooth-supporting bone. This article reviews methods to assess periodontal structures, including basic radiograph acquisition, assessment of alveolar crest levels, and typical patterns of bone loss. Computer technology to objectively assess loss of alveolar crest from radiographs is reviewed. Developments in computer-assisted quantitation of alveolar crest height are described. Although probing measurements continue to be viewed as more practical than radiographic measurements, radiographic assessment can be made quantitative and is likely easier and more precise than probing for routine assessment of periodontal disease activity.
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Affiliation(s)
- Hattan A M Zaki
- Department of Oral Biology, School of Dental Medicine, University at Buffalo, The State University of New York, 3435 Main St., Buffalo, NY 14214, USA; Department of Oral Basic and Clinical Sciences, Taibah University, Madinah al Munawwarah, Kingdom of Saudi Arabia
| | - Kenneth R Hoffmann
- Department of Neurosurgery, School of Medicine and Biomedical Science, University at Buffalo, The State University of New York, Buffalo, NY 14214, USA
| | - Ernest Hausmann
- Department of Oral Biology, School of Dental Medicine, University at Buffalo, The State University of New York, 3435 Main St., Buffalo, NY 14214, USA
| | - Frank A Scannapieco
- Department of Oral Biology, School of Dental Medicine, University at Buffalo, The State University of New York, 3435 Main St., Buffalo, NY 14214, USA.
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18
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Abstract
Periodontal probes are the main instruments that are used to assess the status of the periodontium, either for screening purposes or to evaluate periodontal changes throughout the treatment process. With increased knowledge and understanding of periodontal disease, the probes have evolved from a unidimensional manual shape into a more sophisticated computerised instrument. This is due to the need to increase the accuracy and reproducibility of readings and to improve efficiency (time, effort, money). Each probe has characteristic features that makes it unique and, in some cases, specific and limited to use. The aim of this paper is to present a brief introduction to periodontal disease and the methodology of measuring it, followed by probing limitations. The paper will also discuss the methodology of reducing probing error, examiner calibration and probing reproducibility.
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19
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Gomes SC, Romagna R, Rossi V, Corvello PC, Angst PDM. Supragingival treatment as an aid to reduce subgingival needs: a 450-day investigation. Braz Oral Res 2014; 28. [PMID: 25000595 DOI: 10.1590/s1806-83242014.50000004] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
This study investigated the clinical effects of using a supragingival biofilm control regimen (SUPRA) as a step prior to scaling and root planing (SRP). A split-mouth clinical trial was performed in which 25 subjects with periodontitis (47.2 ± 6.5 years) underwent treatment (days 0–60) and monitoring (days 90–450) phases. At Day 0 (baseline) treatments were randomly assigned per quadrant: SUPRA, SRP and S30SRP (SUPRA 30 days before SRP). The full-mouth visible plaque index (VPI), gingival bleeding index (GBI), periodontal probing depth (PPD), bleeding on probing (BOP), and clinical attachment loss (CAL) were examined on days 0, 30, 60, 90, 120, 270, and 450. Baseline data were similar among all groups. From days 0 to 60, the groups showed similar significant decreases in VPI and GBI. Reductions in PPD for the SRP (3.39 ± 0.17 to2.42 ± 0.16 mm) and S30SRP (3.31 ± 0.11 to 2.40 ± 0.07 mm) groups were greater (p < 0.05) than those for the SUPRA group. This pattern was also observed for BOP. Attachment gain was similar and greater for the SRP (3.34 ± 0.28 to 2.58 ± 0.26 mm) and S30SRP (3.25 ± 0.21 to 2.54 ± 0.19 mm) groups compared to the SUPRA group. Results were maintained from day 90 forward. Overall, the S30SRP treatment reduced the subgingival treatment needs in 48.16%. Performance of a SUPRA step before SRP decreased subgingival treatment needs and maintained the periodontal stability over time.
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20
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Martínez-Hernández M, Olivares-Navarrete R, Almaguer-Flores A. Influence of the Periodontal Status on the Initial-Biofilm Formation on Titanium Surfaces. Clin Implant Dent Relat Res 2014; 18:174-81. [DOI: 10.1111/cid.12251] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Miryam Martínez-Hernández
- Laboratorio de Biología Periodontal; Facultad de Odontología; Universidad Nacional Autónoma de México; México DF México
| | | | - Argelia Almaguer-Flores
- Laboratorio de Biología Periodontal; Facultad de Odontología; Universidad Nacional Autónoma de México; México DF México
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21
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Teles R, Teles F, Frias-Lopez J, Paster B, Haffajee A. Lessons learned and unlearned in periodontal microbiology. Periodontol 2000 2014; 62:95-162. [PMID: 23574465 PMCID: PMC3912758 DOI: 10.1111/prd.12010] [Citation(s) in RCA: 227] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Periodontal diseases are initiated by bacterial species living in polymicrobial biofilms at or below the gingival margin and progress largely as a result of the inflammation elicited by specific subgingival species. In the past few decades, efforts to understand the periodontal microbiota have led to an exponential increase in information about biofilms associated with periodontal health and disease. In fact, the oral microbiota is one of the best-characterized microbiomes that colonize the human body. Despite this increased knowledge, one has to ask if our fundamental concepts of the etiology and pathogenesis of periodontal diseases have really changed. In this article we will review how our comprehension of the structure and function of the subgingival microbiota has evolved over the years in search of lessons learned and unlearned in periodontal microbiology. More specifically, this review focuses on: (i) how the data obtained through molecular techniques have impacted our knowledge of the etiology of periodontal infections; (ii) the potential role of viruses in the etiopathogenesis of periodontal diseases; (iii) how concepts of microbial ecology have expanded our understanding of host-microbe interactions that might lead to periodontal diseases; (iv) the role of inflammation in the pathogenesis of periodontal diseases; and (v) the impact of these evolving concepts on therapeutic and preventive strategies to periodontal infections. We will conclude by reviewing how novel systems-biology approaches promise to unravel new details of the pathogenesis of periodontal diseases and hopefully lead to a better understanding of their mechanisms.
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22
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Leppilahti JM, Kallio MA, Tervahartiala T, Sorsa T, Mäntylä P. Gingival Crevicular Fluid Matrix Metalloproteinase-8 Levels Predict Treatment Outcome Among Smokers With Chronic Periodontitis. J Periodontol 2014; 85:250-60. [DOI: 10.1902/jop.2013.130156] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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23
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Abuhussein H, Bashutski JD, Dabiri D, Halubai S, Layher M, Klausner C, Makhoul H, Kapila Y. The role of factors associated with apoptosis in assessing periodontal disease status. J Periodontol 2013; 85:1086-95. [PMID: 24359166 DOI: 10.1902/jop.2013.130095] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND Little is known about the release of apoptotic proteins during periodontal breakdown. This pilot study investigates the presence of factors associated with apoptosis in serum, saliva, and gingival crevicular fluid (GCF) and their association with periodontal disease severity and activity. METHODS GCF, whole saliva, and serum were obtained from 47 adult patients with chronic periodontitis (CP) and 10 healthy controls. Clinical measurements, including probing depth (PD), clinical attachment level (CAL), and radiographs, were used to classify patients into healthy, mild, and moderate/severe CP groups. Enzyme-linked immunosorbent assays were used to measure apoptosis or DNA fragmentation in GCF and active caspase-3, soluble Fas (sFas), and sFas ligand (sFasL) in saliva and serum. Western immunoblotting was used to detect Fas, FasL, sFasL, and caspase-3 expression in GCF. RESULTS DNA fragmentation was positively correlated with PD and CAL regardless of patient disease status (P <0.001). sFas and sFasL were present in saliva and serum, but there were no differences between groups. In GCF, the greater odds of detecting Fas, sFasL, and caspase-3 increased with increasing PD and CAL (P <0.05). In addition, sites with inflammation and PD ≥5 mm had significantly greater odds of exhibiting Fas, sFasL, and caspase-3 expression compared with sites without inflammation and PD <5 mm (P <0.05). Caspase-3 was not detected in saliva or serum. At the patient level, only FasL and disease status were significantly correlated (P <0.05). CONCLUSION Factors associated with apoptosis were detected in GCF in patients with CP.
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Affiliation(s)
- Heba Abuhussein
- School of Dentistry, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia
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24
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Kinney JS, Morelli T, Oh M, Braun TM, Ramseier CA, Sugai JV, Giannobile WV. Crevicular fluid biomarkers and periodontal disease progression. J Clin Periodontol 2013; 41:113-120. [PMID: 24303954 DOI: 10.1111/jcpe.12194] [Citation(s) in RCA: 149] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2013] [Revised: 09/29/2013] [Accepted: 11/02/2013] [Indexed: 12/23/2022]
Abstract
AIM Assess the ability of a panel of gingival crevicular fluid (GCF) biomarkers as predictors of periodontal disease progression (PDP). MATERIALS AND METHODS In this study, 100 individuals participated in a 12-month longitudinal investigation and were categorized into four groups according to their periodontal status. GCF, clinical parameters and saliva were collected bi-monthly. Subgingival plaque and serum were collected bi-annually. For 6 months, no periodontal treatment was provided. At 6 months, patients received periodontal therapy and continued participation from 6 to 12 months. GCF samples were analysed by ELISA for MMP-8, MMP-9, Osteoprotegerin, C-reactive Protein and IL-1β. Differences in median levels of GCF biomarkers were compared between stable and progressing participants using Wilcoxon Rank Sum test (p = 0.05). Clustering algorithm was used to evaluate the ability of oral biomarkers to classify patients as either stable or progressing. RESULTS Eighty-three individuals completed the 6-month monitoring phase. With the exception of GCF C-reactive protein, all biomarkers were significantly higher in the PDP group compared to stable patients. Clustering analysis showed highest sensitivity levels when biofilm pathogens and GCF biomarkers were combined with clinical measures, 74% (95% CI = 61, 86). CONCLUSIONS Signature of GCF fluid-derived biomarkers combined with pathogens and clinical measures provides a sensitive measure for discrimination of PDP (ClinicalTrials.gov NCT00277745).
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Affiliation(s)
- Janet S Kinney
- Department of Periodontics and Oral Medicine & Michigan Center for Oral Health Research, University of Michigan School of Dentistry, Ann Arbor, MI, USA
| | - Thiago Morelli
- Department of Periodontics and Oral Medicine & Michigan Center for Oral Health Research, University of Michigan School of Dentistry, Ann Arbor, MI, USA.,Currently, Department of Periodontology, School of Dentistry, University of North Carolina, Chapel Hill, NC, USA
| | - Min Oh
- Department of Periodontics and Oral Medicine & Michigan Center for Oral Health Research, University of Michigan School of Dentistry, Ann Arbor, MI, USA
| | - Thomas M Braun
- Biostatistics Department, School of Public Health, University of Michigan, 1415 Washington Heights, Ann Arbor, MI 48109-2029, USA
| | - Christoph A Ramseier
- Currently, Department of Periodontology, School of Dental Medicine, University of Berne, Freiburgstrasse 7, CH-3010 Bern, Switzerland
| | - Jim V Sugai
- Department of Periodontics and Oral Medicine & Michigan Center for Oral Health Research, University of Michigan School of Dentistry, Ann Arbor, MI, USA
| | - William V Giannobile
- Department of Periodontics and Oral Medicine & Michigan Center for Oral Health Research, University of Michigan School of Dentistry, Ann Arbor, MI, USA.,Department of Biomedical Engineering, College of Engineering, University of Michigan, Ann Arbor, MI, USA
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25
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Corraini P, Baelum V, Lopez R. Reliability of direct and indirect clinical attachment level measurements. J Clin Periodontol 2013; 40:896-905. [DOI: 10.1111/jcpe.12137] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/22/2013] [Indexed: 11/30/2022]
Affiliation(s)
- Priscila Corraini
- Department of Dentistry; Section of Periodontology, Health; Aarhus University; Aarhus Denmark
| | - Vibeke Baelum
- Department of Dentistry; Section of Periodontology, Health; Aarhus University; Aarhus Denmark
| | - Rodrigo Lopez
- Department of Dentistry; Section of Periodontology, Health; Aarhus University; Aarhus Denmark
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26
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Tatarakis N, Kinney JS, Inglehart M, Braun TM, Shelburne C, Lang NP, Giannobile WV, Oh TJ. Clinical, microbiological, and salivary biomarker profiles of dental implant patients with type 2 diabetes. Clin Oral Implants Res 2013; 25:803-12. [PMID: 23445216 DOI: 10.1111/clr.12139] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/17/2013] [Indexed: 01/11/2023]
Abstract
OBJECTIVE Regulators of peri-implant bone loss in patients with diabetes appear to involve multiple risk factors that have not been clearly elucidated. This study was conducted to explore putative local etiologic factors on implant bone loss in relation to type 2 diabetes mellitus, including clinical, microbial, salivary biomarker, and psychosocial factors. MATERIALS AND METHODS Thirty-two subjects (divided into type 2 diabetes mellitus and non-diabetic controls), having at least one functional implant and six teeth, were enrolled in a 1-year longitudinal investigation. Analyses of clinical measurements and standardized intra-oral radiographs, saliva and serum biomarkers (via protein arrays for 20 selected markers), and plaque biofilm (via qPCR for eight periodontal pathogens) were performed at baseline and 1 year. In addition, the subjects were asked to respond to questionnaires to assess behavioral and psychosocial variables. RESULTS There was a significant increase from baseline to 1 year in the probing depth of implants in the diabetes group (1.95 mm to 2.35 mm, P = 0.015). The average radiographic bone loss during the study period marginally increased at dental implants compared to natural teeth over the study period (0.08 mm vs. 0.05 mm; P = 0.043). The control group harbored higher levels of Treponema denticola at their teeth at baseline (P = 0.046), and the levels of the pathogen increased significantly over time around the implants of the same group (P = 0.003). Salivary osteoprotegerin (OPG) levels were higher in the diabetes group than the control group at baseline only; in addition, the salivary levels of IL-4, IL-10, and OPG associated with host defense were significantly reduced in the diabetes group (P = 0.010, P = 0.019, and P = 0.024), while controls showed an increase in the salivary OPG levels (P = 0.005). For psychosocial factors, there were not many significant changes over the observation period, except for some findings related to coping behaviors at baseline. CONCLUSIONS The study suggests that the clinical, microbiological, salivary biomarker, and psychosocial profiles of dental implant patients with type 2 diabetes who are under good metabolic control and regular maintenance care are very similar to those of non-diabetic individuals. Future studies are warranted to validate the findings in longer-term and larger clinical trials (ClinicalTrials.gov # NCT00933491).
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Affiliation(s)
- Nikolaos Tatarakis
- Department of Periodontics and Oral Medicine, Michigan Center for Oral Health Research, University of Michigan School of Dentistry, Ann Arbor, MI, USA
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27
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Lauenstein M, Kaufmann M, Persson GR. Clinical and microbiological results following nonsurgical periodontal therapy with or without local administration of piperacillin/tazobactam. Clin Oral Investig 2013; 17:1645-60. [DOI: 10.1007/s00784-012-0856-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2011] [Accepted: 09/27/2012] [Indexed: 10/27/2022]
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28
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Sanikop S, Patil S, Agrawal P. Gingival crevicular fluid alkaline phosphatase as a potential diagnostic marker of periodontal disease. J Indian Soc Periodontol 2012; 16:513-8. [PMID: 23493047 PMCID: PMC3590718 DOI: 10.4103/0972-124x.106889] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2011] [Accepted: 08/30/2012] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND Alkaline phosphatase (ALP) enzyme is involved in the destruction of the human periodontium. The present study was conducted to determine the presence and levels of ALP activity in gingival crevicular fluid (GCF) in periodontal health, gingivitis, and chronic periodontitis. MATERIALS AND METHODS GCF samples were collected from 45 sites which were divided into three equal groups of healthy samples and gingivitis and chronic periodontitis samples. Various clinical parameters were evaluated and the levels of ALP were estimated using a semi-autoanalyzer. Analysis of variance was employed to compare the ALP levels in different groups. Pearson's correlation coefficient was utilized to find the correlation between ALP levels and various clinical parameters. RESULTS Difference in the mean ALP levels between healthy and gingivitis groups was found to be nonsignificant (P>0.05) and that between the chronic periodontitis group and healthy as well as gingivitis groups was found to be highly significant (P<0.001). Significant correlations existed between ALP levels and gingival index, probing depths, as well as clinical attachment levels. CONCLUSION The finding of the present study confirms the relationship between ALP level and periodontal disease, thus indicating that GCF ALP levels can be used as potential biochemical markers for the detection and progression of periodontal disease.
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Affiliation(s)
- Sheetal Sanikop
- Department of Periodontics, KLE V. K. Institute of Dental Science, KLE University, Belgaum, Karnataka, India
| | - Suvarna Patil
- Department of Periodontics, KLE V. K. Institute of Dental Science, KLE University, Belgaum, Karnataka, India
| | - Pallavi Agrawal
- Department of Periodontics, KLE V. K. Institute of Dental Science, KLE University, Belgaum, Karnataka, India
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Goodson JM, Haffajee AD, Socransky SS, Kent R, Teles R, Hasturk H, Bogren A, Van Dyke T, Wennstrom J, Lindhe J. Control of periodontal infections: a randomized controlled trial I. The primary outcome attachment gain and pocket depth reduction at treated sites. J Clin Periodontol 2012; 39:526-36. [PMID: 22512461 DOI: 10.1111/j.1600-051x.2012.01870.x] [Citation(s) in RCA: 90] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/18/2012] [Indexed: 12/24/2022]
Abstract
OBJECTIVE To compare the treatment outcome of scaling and root planing (SRP) in combination with systemic antibiotics, local antibiotic therapy and/or periodontal surgery. MATERIAL AND METHODS One hundred and eighty-seven patients were assigned to eight groups treated by SRP plus none, one, two or three adjunctive treatments and monitored for 24 months in a randomized controlled clinical trial using a 2 × 2 × 2 factorial design. Systemic amoxicillin + metronidazole (SMA), local tetracycline delivery (LTC) and periodontal surgery (SURG) were evaluated as adjuncts. Changes in clinical attachment level (CAL) and probing pocket depth (PPD) were statistically evaluated by ancova of main effects. RESULTS Effects of adjunctive therapy to SRP were minimal at 3 months. Between 3 and 6 months PPD reduction occurred particularly in patients receiving periodontal surgery. After 6 months, both CAL gain and PPD reduction reached a plateau that was maintained at 24 months in all groups. The 24-month CAL gain was improved by SMA (0.50 mm) while PPD was reduced by SMA (0.51 mm) and SURG (0.36 mm). Smoking reduced CAL gain and PPD reduction. CONCLUSION Patients receiving adjunctive therapies generally exhibited improved CAL gain and/or PPD reduction when compared with the outcome of SRP alone. Only additive, not synergistic effects of the various adjunctive therapies were observed.
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Colombo APV, Bennet S, Cotton SL, Goodson JM, Kent R, Haffajee AD, Socransky SS, Hasturk H, Van Dyke TE, Dewhirst FE, Paster BJ. Impact of periodontal therapy on the subgingival microbiota of severe periodontitis: comparison between good responders and individuals with refractory periodontitis using the human oral microbe identification microarray. J Periodontol 2012; 83:1279-87. [PMID: 22324467 DOI: 10.1902/jop.2012.110566] [Citation(s) in RCA: 139] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND This study compares the changes to the subgingival microbiota of individuals with "refractory" periodontitis (RP) or treatable periodontitis (good responders [GR]) before and after periodontal therapy by using the Human Oral Microbe Identification Microarray (HOMIM) analysis. METHODS Individuals with chronic periodontitis were classified as RP (n = 17) based on mean attachment loss (AL) and/or >3 sites with AL ≥2.5 mm after scaling and root planing, surgery, and systemically administered amoxicillin and metronidazole or as GR (n = 30) based on mean attachment gain and no sites with AL ≥2.5 mm after treatment. Subgingival plaque samples were taken at baseline and 15 months after treatment and analyzed for the presence of 300 species by HOMIM analysis. Significant differences in taxa before and post-therapy were sought using the Wilcoxon test. RESULTS The majority of species evaluated decreased in prevalence in both groups after treatment; however, only a small subset of organisms was significantly affected. Species that increased or persisted in high frequency in RP but were significantly reduced in GR included Bacteroidetes sp., Porphyromonas endodontalis, Porphyromonas gingivalis, Prevotella spp., Tannerella forsythia, Dialister spp., Selenomonas spp., Catonella morbi, Eubacterium spp., Filifactor alocis, Parvimonas micra, Peptostreptococcus sp. OT113, Fusobacterium sp. OT203, Pseudoramibacter alactolyticus, Streptococcus intermedius or Streptococcus constellatus, and Shuttlesworthia satelles. In contrast, Capnocytophaga sputigena, Cardiobacterium hominis, Gemella haemolysans, Haemophilus parainfluenzae, Kingella oralis, Lautropia mirabilis, Neisseria elongata, Rothia dentocariosa, Streptococcus australis, and Veillonella spp. were more associated with therapeutic success. CONCLUSION Persistence of putative and novel periodontal pathogens, as well as low prevalence of beneficial species was associated with chronic refractory periodontitis.
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Affiliation(s)
- Ana Paula V Colombo
- Department of Medical Microbiology, Institute of Microbiology of Federal University of Rio de Janeiro, Brazil.
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Belibasakis GN, Bostanci N. The RANKL-OPG system in clinical periodontology. J Clin Periodontol 2011; 39:239-48. [PMID: 22092994 DOI: 10.1111/j.1600-051x.2011.01810.x] [Citation(s) in RCA: 234] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/24/2011] [Indexed: 01/15/2023]
Abstract
BACKGROUND AND OBJECTIVES The receptor activator of NF-κB ligand-osteoprotegerin (RANKL-OPG) bi-molecular system is the "bottle-neck" regulator of osteoclastogenesis and bone resorption, both in physiological and pathological conditions. This review aims to elaborate the current knowledge on RANKL and OPG in periodontal disease, and to evaluate their diagnostic and prognostic potential as biomarkers of the disease. MATERIALS AND METHODS To pursue this aim, electronic and manual searches were performed for identifying clinical and in vivo studies on RANKL and OPG in gingival tissue, gingival crevicular fluid, saliva and blood. Smoking and diabetes mellitus were also considered for their potential effects. RESULTS Papers fulfilling the inclusion criteria demonstrate that RANKL is up-regulated, whereas OPG is down-regulated in periodontitis, compared to periodontal health, resulting in an increased RANKL/OPG ratio. This ratio is further up-regulated in smokers and diabetics, and is not affected by conventional periodontal treatment. CONCLUSIONS The increased RANKL/OPG ratio may serve as a biomarker that denotes the occurrence of periodontitis, but may not necessarily predict on-going disease activity. Its steadily elevated levels post treatment may indicate that the molecular mechanisms of bone resorption are still active, holding an imminent risk for relapse of the disease. Additional adjunct treatment modalities that would "switch-off" the RANKL/OPG ratio may therefore be required.
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Affiliation(s)
- Georgios N Belibasakis
- Oral Microbiology and Immunology, Institute of Oral Biology, Center of Dental Medicine, Faculty of Medicine, University of Zürich, Switzerland.
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Teles FR, Teles RP, Uzel NG, Song XQ, Torresyap G, Socransky SS, Haffajee AD. Early microbial succession in redeveloping dental biofilms in periodontal health and disease. J Periodontal Res 2011; 47:95-104. [PMID: 21895662 DOI: 10.1111/j.1600-0765.2011.01409.x] [Citation(s) in RCA: 87] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND AND OBJECTIVE The development of dental biofilms after professional plaque removal is very rapid. However, it is not clear whether most bacterial species return at similar rates in periodontally healthy and periodontitis subjects or if there are differences in bacterial recolonization between supragingival and subgingival biofilms in periodontal health and disease. MATERIAL AND METHODS Supragingival and subgingival plaque samples were taken separately from 28 teeth in 38 healthy and 17 periodontitis subjects immediately after professional cleaning. Samples were taken again from seven teeth in randomly selected quadrants after 1, 2, 4 and 7 d of no oral hygiene and analyzed using checkerboard DNA-DNA hybridization. The percentage of DNA probe counts were averaged within subjects at each time-point. Ecological succession was determined using a modified moving-window analysis. RESULTS Succession in supragingival biofilms from subjects with periodontitis and from healthy individuals was similar. At 1 d, Streptococcus mitis and Neisseria mucosa showed increased proportions, followed by Capnocytophaga gingivalis, Eikenella corrodens, Veillonella parvula and Streptococcus oralis at 1-4 d. At 4-7 d, Campylobacter rectus, Campylobacter showae, Prevotella melaninogenica and Prevotella nigrescens became elevated. Subgingival plaque redevelopment was slower and very different from supragingival plaque redevelopment. Increased proportions were first observed for S. mitis, followed by V. parvula and C. gingivalis and, at 7 d, by Capnocytophaga sputigena and P. nigrescens. No significant increase in the proportions of periodontal pathogens was observed in any of the clinical groups or locations. CONCLUSION There is a defined order in bacterial species succession in early supragingival and subgingival biofilm redevelopment after professional cleaning.
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Affiliation(s)
- F R Teles
- Department of Periodontology, The Forsyth Institute, Cambridge, MA 02142, USA
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Rodrigo D, Martin C, Sanz M. Biological complications and peri-implant clinical and radiographic changes at immediately placed dental implants. A prospective 5-year cohort study. Clin Oral Implants Res 2011; 23:1224-31. [DOI: 10.1111/j.1600-0501.2011.02294.x] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/03/2011] [Indexed: 12/01/2022]
Affiliation(s)
- Daniel Rodrigo
- Graduate Periodontology; Faculty of Odontology - University Complutense of Madrid; Madrid; Spain
| | - Conchita Martin
- ETEP Research Group; Faculty of Odontology - University Complutense of Madrid; Madrid; Spain
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Uzel NG, Teles FR, Teles RP, Song XQ, Torresyap G, Socransky SS, Haffajee AD. Microbial shifts during dental biofilm re-development in the absence of oral hygiene in periodontal health and disease. J Clin Periodontol 2011; 38:612-20. [PMID: 21488936 DOI: 10.1111/j.1600-051x.2011.01730.x] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
AIM To monitor microbial shifts during dental biofilm re-development. MATERIALS AND METHODS Supra- and subgingival plaque samples were taken separately from 28 teeth in 38 healthy and 17 periodontitis subjects at baseline and immediately after tooth cleaning. Samples were taken again from seven teeth in randomly selected quadrants during 1, 2, 4 and 7 days of no oral hygiene. Samples were analysed using checkerboard DNA-DNA hybridization. Species counts were averaged within subjects at each time point. Significant differences in the counts between healthy and periodontitis subjects were determined using the Mann-Whitney test. RESULTS The total supra- and subgingival counts were significantly higher in periodontitis on entry and reached or exceeded the baseline values after day 2. Supragingival counts of Veillonella parvula, Fusobacterium nucleatum ss vincentii and Neisseria mucosa increased from 2 to 7 days. Subgingival counts were greater for Actinomyces, green and orange complex species. Significant differences between groups in supragingival counts occurred for 17 of 41 species at entry, 0 at day 7; for subgingival plaque, these values were 39/41 taxa at entry, 17/41 at day 7. CONCLUSIONS Supragingival plaque re-development was similar in periodontitis and health, but subgingival species recolonization was more marked in periodontitis.
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Affiliation(s)
- Naciye G Uzel
- Department of Periodontology, The Forsyth Institute, Cambridge, MA 02142, USA
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Hernández M, Dutzan N, García-Sesnich J, Abusleme L, Dezerega A, Silva N, González F, Vernal R, Sorsa T, Gamonal J. Host-Pathogen Interactions in Progressive Chronic Periodontitis. J Dent Res 2011; 90:1164-70. [DOI: 10.1177/0022034511401405] [Citation(s) in RCA: 128] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Periodontitis is an infection characterized by the occurrence of supporting tissue destruction with an episodic nature. Disease progression is often determined by the loss of attachment level or alveolar bone, and sequential probing of periodontal attachment remains the most commonly utilized method to diagnose progressive destruction of the periodontium. The tolerance method has been the most extensive clinical method used in recent years to determine site-specific attachment level changes. There is abundant evidence that major tissue destruction in periodontal lesions results from the recruitment of immune cells. Considerable effort has been made to study the host cell and mediator profiles involved in the pathogenesis of chronic periodontitis, but the definition of active sites, where current periodontal breakdown occurs, and consecutive characterization of the mediators involved are still among the main concerns. In the present review, we summarize periodontopathic bacteria and host factors, including infiltrating cell populations, cytokines, and host matrix metalloproteinases, associated with under-going episodic attachment loss that could partly explain the mechanisms involved in destruction of the supporting tissues of the tooth.
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Affiliation(s)
- M. Hernández
- Laboratory of Periodontal Biology, Department of Conservative Dentistry, Faculty of Dentistry, University of Chile, Sergio Livingstone (Ex-Olivos) 943 - Comuna de Independencia, Santiago, Chile
- Department of Pathology, Faculty of Dentistry, University of Chile, Santiago, Chile
| | - N. Dutzan
- Laboratory of Periodontal Biology, Department of Conservative Dentistry, Faculty of Dentistry, University of Chile, Sergio Livingstone (Ex-Olivos) 943 - Comuna de Independencia, Santiago, Chile
| | - J. García-Sesnich
- Laboratory of Periodontal Biology, Department of Conservative Dentistry, Faculty of Dentistry, University of Chile, Sergio Livingstone (Ex-Olivos) 943 - Comuna de Independencia, Santiago, Chile
| | - L. Abusleme
- Department of Pathology, Faculty of Dentistry, University of Chile, Santiago, Chile
| | - A. Dezerega
- Laboratory of Periodontal Biology, Department of Conservative Dentistry, Faculty of Dentistry, University of Chile, Sergio Livingstone (Ex-Olivos) 943 - Comuna de Independencia, Santiago, Chile
| | - N. Silva
- Department of Pathology, Faculty of Dentistry, University of Chile, Santiago, Chile
| | - F.E. González
- Laboratory of Periodontal Biology, Department of Conservative Dentistry, Faculty of Dentistry, University of Chile, Sergio Livingstone (Ex-Olivos) 943 - Comuna de Independencia, Santiago, Chile
- Disciplinary Program of Immunology, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Santiago, Chile
| | - R. Vernal
- Laboratory of Periodontal Biology, Department of Conservative Dentistry, Faculty of Dentistry, University of Chile, Sergio Livingstone (Ex-Olivos) 943 - Comuna de Independencia, Santiago, Chile
| | - T. Sorsa
- Institute of Dentistry, University of Helsinki, and Department of Oral and Maxillofacial Diseases, Helsinki University Central Hospital, Helsinki, Finland
| | - J. Gamonal
- Laboratory of Periodontal Biology, Department of Conservative Dentistry, Faculty of Dentistry, University of Chile, Sergio Livingstone (Ex-Olivos) 943 - Comuna de Independencia, Santiago, Chile
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Bostanci N, Saygan B, Emingil G, Atilla G, Belibasakis GN. Effect of periodontal treatment on receptor activator of NF-κB ligand and osteoprotegerin levels and relative ratio in gingival crevicular fluid. J Clin Periodontol 2011; 38:428-33. [DOI: 10.1111/j.1600-051x.2011.01701.x] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Hernández M, Gamonal J, Tervahartiala T, Mäntylä P, Rivera O, Dezerega A, Dutzan N, Sorsa T. Associations Between Matrix Metalloproteinase-8 and -14 and Myeloperoxidase in Gingival Crevicular Fluid From Subjects With Progressive Chronic Periodontitis: A Longitudinal Study. J Periodontol 2010; 81:1644-52. [DOI: 10.1902/jop.2010.100196] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Cohen ME, Horning GM. A quantile plot for simultaneous representation of clinical and statistical attributes of probing change: application to early identification of the downhill patient. J Periodontal Res 2010. [DOI: 10.1111/j.1600-0765.1998.tb02310.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Hernández Ríos M, Sorsa T, Obregón F, Tervahartiala T, Valenzuela MA, Pozo P, Dutzan N, Lesaffre E, Molas M, Gamonal J. Proteolytic roles of matrix metalloproteinase (MMP)-13 during progression of chronic periodontitis: initial evidence for MMP-13/MMP-9 activation cascade. J Clin Periodontol 2010; 36:1011-7. [PMID: 19929954 DOI: 10.1111/j.1600-051x.2009.01488.x] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
AIM Matrix metalloproteinases (MMP)-13 can initiate bone resorption and activate proMMP-9 in vitro, and both these MMPs have been widely implicated in tissue destruction associated with chronic periodontitis. We studied whether MMP-13 activity and TIMP-1 levels in gingival crevicular fluid (GCF) associated with progression of chronic periodontitis assessed clinically and by measuring carboxy-terminal telopeptide of collagen I (ICTP) levels. We additionally addressed whether MMP-13 could potentiate gelatinase activation in diseased gingival tissue. MATERIALS AND METHODS In this prospective study, GCF samples from subjects undergoing clinical progression of chronic periodontitis and healthy controls were screened for ICTP levels, MMP-13 activity and TIMP-1. Diseased gingival explants were cultured, treated or not with MMP-13 with or without adding CL-82198, a synthetic MMP-13 selective inhibitor, and assayed by gelatin zymography and densitometric analysis. RESULTS Active sites demonstrated increased ICTP levels and MMP-13 activity (p<0.05) in progression subjects. The MMP-9 activation rate was elevated in MMP-13-treated explants (p<0.05) and MMP-13 inhibitor prevented MMP-9 activation. CONCLUSIONS MMP-13 could be implicated in the degradation of soft and hard supporting tissues and proMMP-9 activation during progression of chronic periodontitis. MMP-13 and -9 can potentially form an activation cascade overcoming the protective TIMP-1 shield, which may become useful for diagnostic aims and a target for drug development.
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Affiliation(s)
- Marcela Hernández Ríos
- Periodontal Biology Laboratory, Faculty of Dentistry, University of Chile, Santiago, Chile.
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Dezerega A, Pozo P, Hernández M, Oyarzún A, Rivera O, Dutzan N, Gutiérrez-Fernández A, Overall CM, Garrido M, Alcota M, Ortiz E, Gamonal J. Chemokine Monocyte Chemoattractant Protein-3 in Progressive Periodontal Lesions in Patients With Chronic Periodontitis. J Periodontol 2010; 81:267-76. [DOI: 10.1902/jop.2009.090406] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Prevalence of potential bacterial respiratory pathogens in the oral cavity of hospitalised individuals. Arch Oral Biol 2010; 55:21-8. [DOI: 10.1016/j.archoralbio.2009.10.005] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2009] [Revised: 10/13/2009] [Accepted: 10/20/2009] [Indexed: 10/20/2022]
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Colombo APV, Boches SK, Cotton SL, Goodson JM, Kent R, Haffajee AD, Socransky SS, Hasturk H, Van Dyke TE, Dewhirst F, Paster BJ. Comparisons of subgingival microbial profiles of refractory periodontitis, severe periodontitis, and periodontal health using the human oral microbe identification microarray. J Periodontol 2009; 80:1421-32. [PMID: 19722792 DOI: 10.1902/jop.2009.090185] [Citation(s) in RCA: 401] [Impact Index Per Article: 26.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND This study compared the subgingival microbiota of subjects with refractory periodontitis (RP) to those in subjects with treatable periodontitis (GRs = good responders) or periodontal health (PH) using the Human Oral Microbe Identification Microarray (HOMIM). METHODS At baseline, subgingival plaque samples were taken from 47 subjects with periodontitis and 20 individuals with PH and analyzed for the presence of 300 species by HOMIM. The subjects with periodontitis were classified as having RP (n = 17) based on mean attachment loss (AL) and/or more than three sites with AL >or=2.5 mm after scaling and root planing, surgery, and systemically administered amoxicillin and metronidazole or as GRs (n = 30) based on mean attachment gain and no sites with AL >or=2.5 mm after treatment. Significant differences in taxa among the groups were sought using the Kruskal-Wallis and chi(2) tests. RESULTS More species were detected in patients with disease (GR or RP) than in those without disease (PH). Subjects with RP were distinguished from GRs or those with PH by a significantly higher frequency of putative periodontal pathogens, such as Parvimonas micra (previously Peptostreptococcus micros or Micromonas micros), Campylobacter gracilis, Eubacterium nodatum, Selenomonas noxia, Tannerella forsythia (previously T. forsythensis), Porphyromonas gingivalis, Prevotella spp., Treponema spp., and Eikenella corrodens, as well as unusual species (Pseudoramibacter alactolyticus, TM7 spp. oral taxon [OT] 346/356, Bacteroidetes sp. OT 272/274, Solobacterium moorei, Desulfobulbus sp. OT 041, Brevundimonas diminuta, Sphaerocytophaga sp. OT 337, Shuttleworthia satelles, Filifactor alocis, Dialister invisus/pneumosintes, Granulicatella adiacens, Mogibacterium timidum, Veillonella atypica, Mycoplasma salivarium, Synergistes sp. cluster II, and Acidaminococcaceae [G-1] sp. OT 132/150/155/148/135) (P <0.05). Species that were more prevalent in subjects with PH than in patients with periodontitis included Actinomyces sp. OT 170, Actinomyces spp. cluster I, Capnocytophaga sputigena, Cardiobacterium hominis, Haemophilus parainfluenzae, Lautropia mirabilis, Propionibacterium propionicum, Rothia dentocariosa/mucilaginosa, and Streptococcus sanguinis (P <0.05). CONCLUSION As determined by HOMIM, patients with RP presented a distinct microbial profile compared to patients in the GR and PH groups.
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Affiliation(s)
- Ana Paula V Colombo
- Department of Medical Microbiology, Institute of Microbiology, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
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Hildebolt CF, Couture R, Garcia NM, Dixon D, Miley DD, Shannon W, Mueller C, Langenwalter E, Spearie CA, Civitelli R. Alveolar bone measurement precision for phosphor-plate images. ACTA ACUST UNITED AC 2009; 108:e96-107. [PMID: 19716499 DOI: 10.1016/j.tripleo.2009.05.024] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2008] [Revised: 05/21/2009] [Accepted: 05/21/2009] [Indexed: 10/20/2022]
Abstract
OBJECTIVES The aim was to demonstrate methods for determining measurement precision and to determine the precision of alveolar bone measurements made with a vacuum-coupled positioning device and phosphor plate images. STUDY DESIGN Subjects were rigidly attached to the x-ray tube by means of a vacuum coupling device and custom cross-arch bite plates. Original and repeat radiographs (taken within minutes of each other) were obtained of the mandibular posterior teeth of 51 subjects, and cementoenamel junction-alveolar crest (CEJ-AC) distances were measured on both sets of images. In addition, x-ray transmission (radiodensity) and AC height differences were determined by subtracting one image from the other. Image subtractions and measurements were performed twice. Based on duplicate measurements, the root mean square standard deviation (precision) and least significant change (LSC) were calculated. LSC is the magnitude of change in a measurement needed to indicate that a true biologic change has occurred. RESULTS The LSCs were 4% for x-ray transmission, 0.49 mm for CEJ-AC distance, and 0.06 mm for crest height. CONCLUSION The LSCs for our CEJ-AC and x-ray transmission measurements were similar to what has been previously reported. The LSC for AC height (determined with image subtraction) was <0.1 mm. Compared with findings from earlier studies, this represents a highly precise measurement of AC height. The methods demonstrated for calculating LSC can be used by investigators to determine how large changes in radiographic measurements need to be before the changes can be considered to be (with 95% confidence) true biologic changes and not noise (i.e., equipment/observer error).
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Affiliation(s)
- Charles F Hildebolt
- Radiology, Washington University School of Medicine, St. Louis, Missouri 63110, USA.
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Huynh-Ba G, Brägger U, Zwahlen M, Lang NP, Salvi GE. Periodontal disease progression in subjects with orofacial clefts over a 25-year follow-up period. J Clin Periodontol 2009; 36:836-42. [DOI: 10.1111/j.1600-051x.2009.01469.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Savage A, Eaton KA, Moles DR, Needleman I. A systematic review of definitions of periodontitis and methods that have been used to identify this disease. J Clin Periodontol 2009; 36:458-67. [PMID: 19508246 DOI: 10.1111/j.1600-051x.2009.01408.x] [Citation(s) in RCA: 299] [Impact Index Per Article: 19.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
OBJECTIVE To perform a systematic review and critical analysis of the definitions of periodontitis and the methods which have been used to identify and measure this disease. MATERIAL AND METHODS Relevant publications were identified after searching MEDLINE, EMBASE, SCISEARCH and LILACS electronic databases. Screening of titles and abstracts and data extraction was conducted independently by two reviewers. To be included in the review, studies were required to define periodontitis and to indicate how it was measured. Studies that related purely to gingivitis, and/or intervention studies, and/or studies where prevalence or severity of periodontitis was not a principal outcome were excluded. RESULTS From a total of 34,72 titles and abstracts, 104 potentially relevant full text papers were identified. Of these, 15 met the criteria for inclusion in the final stage of the review. The survey revealed heterogeneity between the studies in the measurement tools used, particularly the types of probes and the sites and areas of the mouth that were assessed. There was also heterogeneity in the use of clinical attachment loss (CAL) and pocket probing depth (PPD) as criteria for periodontitis. In the 15 studies, the threshold for a diagnosis of periodontitis when CAL was the criterion ranged from 2 to > or =6 mm and when PPD was used, from 3 to > or =6 mm. CONCLUSIONS This review has confirmed previous work which has suggested that epidemiological studies of periodontal diseases are complicated by the diversity of methodologies and definitions used. The studies that were reviewed utilized a minimum diagnostic threshold defining periodontitis, at a given site in terms of CAL of 2 mm and PPD of 3 mm.
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Affiliation(s)
- Amir Savage
- UCL Eastman Dental Institute, London WC1X 8WD, UK
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Ramseier CA, Kinney JS, Herr AE, Braun T, Sugai JV, Shelburne CA, Rayburn LA, Tran HM, Singh AK, Giannobile WV. Identification of pathogen and host-response markers correlated with periodontal disease. J Periodontol 2009; 80:436-46. [PMID: 19254128 DOI: 10.1902/jop.2009.080480] [Citation(s) in RCA: 253] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
BACKGROUND Periodontitis is the major cause of tooth loss in adults and is linked to systemic illnesses, such as cardiovascular disease and stroke. The development of rapid point-of-care (POC) chairside diagnostics has the potential for the early detection of periodontal infection and progression to identify incipient disease and reduce health care costs. However, validation of effective diagnostics requires the identification and verification of biomarkers correlated with disease progression. This clinical study sought to determine the ability of putative host- and microbially derived biomarkers to identify periodontal disease status from whole saliva and plaque biofilm. METHODS One hundred human subjects were equally recruited into a healthy/gingivitis group or a periodontitis population. Whole saliva was collected from all subjects and analyzed using antibody arrays to measure the levels of multiple proinflammatory cytokines and bone resorptive/turnover markers. RESULTS Salivary biomarker data were correlated to comprehensive clinical, radiographic, and microbial plaque biofilm levels measured by quantitative polymerase chain reaction (qPCR) for the generation of models for periodontal disease identification. Significantly elevated levels of matrix metalloproteinase (MMP)-8 and -9 were found in subjects with advanced periodontitis with Random Forest importance scores of 7.1 and 5.1, respectively. The generation of receiver operating characteristic curves demonstrated that permutations of salivary biomarkers and pathogen biofilm values augmented the prediction of disease category. Multiple combinations of salivary biomarkers (especially MMP-8 and -9 and osteoprotegerin) combined with red-complex anaerobic periodontal pathogens (such as Porphyromonas gingivalis or Treponema denticola) provided highly accurate predictions of periodontal disease category. Elevated salivary MMP-8 and T. denticola biofilm levels displayed robust combinatorial characteristics in predicting periodontal disease severity (area under the curve = 0.88; odds ratio = 24.6; 95% confidence interval: 5.2 to 116.5). CONCLUSIONS Using qPCR and sensitive immunoassays, we identified host- and bacterially derived biomarkers correlated with periodontal disease. This approach offers significant potential for the discovery of biomarker signatures useful in the development of rapid POC chairside diagnostics for oral and systemic diseases. Studies are ongoing to apply this approach to the longitudinal predictions of disease activity.
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Affiliation(s)
- Christoph A Ramseier
- Department of Periodontics and Oral Medicine, Michigan Center for Oral Health Research, University of Michigan School of Dentistry, Ann Arbor, MI 48106, USA
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Dutzan N, Gamonal J, Silva A, Sanz M, Vernal R. Over-expression of forkhead box P3 and its association with receptor activator of nuclear factor-kappa B ligand, interleukin (IL) -17, IL-10 and transforming growth factor-beta during the progression of chronic periodontitis. J Clin Periodontol 2009; 36:396-403. [PMID: 19419438 DOI: 10.1111/j.1600-051x.2009.01390.x] [Citation(s) in RCA: 120] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
AIM T regulatory (Treg) cells have been detected in periodontitis lesions, and forkhead box P3 (Foxp3) expression has been negatively correlated to receptor activator of nuclear factor-kappa B ligand (RANKL). The aim of this study was to correlate T-helper type 1 (Th1), Th2, Th17 and Treg transcription factor expressions, in gingival tissues from patients undergoing active periodontal tissue destruction, with bone loss-associated cytokines. MATERIALS AND METHODS In 10 chronic periodontitis patients undergoing disease progression, the mRNA expressions of T-bet, GATA-3, Foxp3, RORC2, interleukin (IL)-1beta, IL-10, IL-17, RANKL, interferon (IFN)-gamma and transforming growth factor (TGF)-beta1 were quantified using real-time reverse transcription-polymerase chain reaction. The levels of these markers were compared between active and inactive periodontal lesions. RESULTS In active periodontal lesions, Foxp3, T-bet, RANKL, IL-17, IL-1beta and IFN-gamma were significantly over-expressed compared with inactive lesions. The expression of IFN-gamma was the highest within the active periodontal lesions, similar to that of TGF-beta1 within the inactive ones. There was a positive correlation between RANKL and IL-17. Additionally, RANKL and IL-17 were positively correlated with RORC2, but no correlation was detected with Foxp3. CONCLUSIONS These results lead us to speculate that Foxp3(+) cells that do not have a regulatory function might have a role in the pathogenesis of active periodontal lesions by down-regulating TGF-beta1 and IL-10 synthesis that lead to the over-expression of Th17-associated cytokines RANKL and IL-17.
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Affiliation(s)
- Nicolás Dutzan
- Department of Conservative Dentistry, Dental School, Universidad de Chile, Santiago de Chile, Chile
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Gonçalves LDS, Souto R, Colombo APV. Detection of Helicobacter pylori, Enterococcus faecalis, and Pseudomonas aeruginosa in the subgingival biofilm of HIV-infected subjects undergoing HAART with chronic periodontitis. Eur J Clin Microbiol Infect Dis 2009; 28:1335-42. [PMID: 19639349 DOI: 10.1007/s10096-009-0786-5] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2009] [Accepted: 07/11/2009] [Indexed: 12/25/2022]
Abstract
This study compared the frequency of Helicobacter pylori, Enterococcus faecalis, and Pseudomonas aeruginosa in the subgingival microbiota of HIV-seropositive and HIV-seronegative subjects with periodontitis or clinically healthy periodontal tissues. Fifty-four subjects were distributed into two HIV-seropositive groups (chronic periodontitis [HCP = 13] and periodontal health [HH = 10]) and two HIV-seronegative groups (chronic periodontitis [CP = 17] and periodontal health [H = 14]). The detection of bacterial species was carried out by polymerase chain reaction (PCR). CP patients showed significantly more periodontal destruction, inflammation, and supragingival plaque than HCP patients (P < 0.05). All species were detected at a higher prevalence in CP and HCP than H individuals (P < 0.01). In the HIV groups, H. pylori was significantly more prevalent in periodontitis compared to healthy patients (P < 0.01). A higher frequency of E. faecalis and P. aeruginosa was observed in the subgingival biofilm of HH than H subjects (P < 0.01). Moreover, E. faecalis was detected significantly more often in HIV-seropositive compared to HIV-seronegative patients, regardless of periodontal status (P < 0.01). These data indicate that H. pylori is frequently detected in the subgingival microbiota of periodontitis subjects. In contrast, HIV-seropositive patients with either periodontitis or periodontal health present a high prevalence of E. faecalis.
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Affiliation(s)
- L de Souza Gonçalves
- Institute of Microbiology, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
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Tanner A, Maiden MFJ. Gingivitis and the Initial Periodontal Lesion. MICROBIAL ECOLOGY IN HEALTH AND DISEASE 2009. [DOI: 10.3109/08910609609166479] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- A. Tanner
- Forsyth Dental Center, 140 The Fenway, Boston, MA, 02115, USA
| | - M. F. J. Maiden
- Forsyth Dental Center, 140 The Fenway, Boston, MA, 02115, USA
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Teles RP, Likhari V, Socransky SS, Haffajee AD. Salivary cytokine levels in subjects with chronic periodontitis and in periodontally healthy individuals: a cross-sectional study. J Periodontal Res 2009; 44:411-7. [PMID: 19210336 DOI: 10.1111/j.1600-0765.2008.01119.x] [Citation(s) in RCA: 112] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND AND OBJECTIVE Saliva has been proposed as a noninvasive diagnostic fluid that could be used in the diagnosis of oral and systemic diseases. The levels of salivary biomarkers, such as cytokines, could potentially be used as a surrogate to distinguish periodontally healthy individuals from subjects with periodontitis. Therefore, the goal of the present investigation was to determine if the levels of 10 different cytokines in saliva differed between a group of periodontally healthy individuals and a group of subjects with periodontitis. Correlations between the concentrations of these 10 cytokines and clinical parameters of periodontal disease were also examined. MATERIAL AND METHODS In this cross-sectional study, 74 subjects with chronic periodontitis and 44 periodontally healthy individuals were periodontally examined and had the levels of granulocyte-macrophage colony-stimulating factor, interleukin-1beta, interleukin-2, interleukin-4, interleukin-5, interleukin-6, interleukin-8, interleukin-10, interferon-gamma and tumor necrosis factor-alpha measured in whole saliva using a multiplexed bead immunoassay (Luminex). Significance of statistical differences in the levels of salivary cytokines between groups was determined using nonparametric analysis of covariance, adjusting for age and smoking status. The Spearman rank correlation coefficient was used to explore associations between the mean levels of salivary cytokines and mean clinical parameters. RESULTS There were no statistically significant differences between groups for any of the cytokines. There were weak, statistically significant positive associations between salivary interleukin-8 and pocket depth (r(s) = 0.2, p < 0.05) and bleeding on probing (r(s) = 0.2, p < 0.05), and weak negative correlations between salivary interleukin-10 and attachment level (r(s) = -0.2, p < 0.05) and bleeding on probing (r(s) = -0.3, p < 0.001). CONCLUSION Mean salivary levels of granulocyte-macrophage colony-stimulating factor, interleukin-1beta, interleukin-2, interleukin-4, interleukin-5, interleukin-6, interleukin-8, interleukin-10, interferon-gamma and tumor necrosis factor-alpha could not discriminate between periodontal health and disease.
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Affiliation(s)
- R P Teles
- Department of Periodontology, The Forsyth Institute, Boston, MA 02115, USA.
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