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[PMID]:27470973
[Au] Autor:Rodrigues M; Barbirato D; Luiz RR; Scharfstein J; Salles GF; Feres-Filho EJ
[Ad] Endereço:Division of Graduate Periodontics, School of Dentistry, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
[Ti] Título:Effect of antihypertensive therapy with angiotensin-converting enzyme inhibitors on chronic periodontitis: a case-control study.
[So] Source:Oral Dis;22(8):791-796, 2016 Nov.
[Is] ISSN:1601-0825
[Cp] País de publicação:Denmark
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: Angiotensin-converting enzyme (ACE) downregulates the activity of bradykinin, a potent proinflammatory and immunostimulatory peptide liberated from an internal portion of kininogens. Here, we asked whether periodontitis is worsened in patients under antihypertensive treatment with ACE inhibitors. METHODS: Periodontal parameters were recorded from 30 individuals taking ACE inhibitors (case) and 35 taking a non-ACE inhibitor medication (control). Data were analyzed by nonparametric and parametric statistical tests. RESULTS: Most sociodemographic figures were similar in both groups. However, family income was statistically higher in the control group, and the percentage of sites with visible plaque (PL) was statistically higher in the case group (P = 0.043 and P = 0.005, respectively). The prevalence of individuals with chronic periodontitis varied from 31.5% in the control group to 63.4% in the case group (P = 0.001). Patients in the case group presented a 3.2-fold higher risk of having sites with pocket depth ≥5 mm and a 2.9-fold higher risk of having sites with clinical attachment loss ≥5 mm in comparison with those in the control group (P = 0.009 and P = 0.001, respectively; adjusted for family income and visible PL). CONCLUSION: Angiotensin-converting enzyme inhibitors may increase the prevalence and extent of chronic periodontitis in Brazilian patients.
[Mh] Termos MeSH primário: Inibidores da Enzima Conversora de Angiotensina/efeitos adversos
Anti-Hipertensivos/efeitos adversos
Periodontite Crônica/induzido quimicamente
[Mh] Termos MeSH secundário: Inibidores da Enzima Conversora de Angiotensina/uso terapêutico
Anti-Hipertensivos/uso terapêutico
Estudos de Casos e Controles
Periodontite Crônica/patologia
Feminino
Bolsa Gengival/induzido quimicamente
Bolsa Gengival/patologia
Seres Humanos
Hipertensão/tratamento farmacológico
Masculino
Meia-Idade
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Angiotensin-Converting Enzyme Inhibitors); 0 (Antihypertensive Agents)
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170915
[Lr] Data última revisão:
170915
[Sb] Subgrupo de revista:D
[Da] Data de entrada para processamento:160730
[St] Status:MEDLINE
[do] DOI:10.1111/odi.12551


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[PMID]:27074611
[Au] Autor:Latney LV; McDermott C; Scott G; Soltero-Rivera MM; Beguesse K; Sánchez MD; Lewis JR
[Ti] Título:Surgical management of maxillary and premaxillary osteomyelitis in a reticulated python (Python reticulatus).
[So] Source:J Am Vet Med Assoc;248(9):1027-33, 2016 May 01.
[Is] ISSN:1943-569X
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:CASE DESCRIPTION A 1-year-old reticulated python (Python reticulatus) was evaluated because of a 2-week history of wheezing and hissing. CLINICAL FINDINGS Rostral facial cellulitis and deep gingival pockets associated with missing rostral maxillary teeth were evident. Tissues of the nares were swollen, resulting in an audible wheeze during respiration. Multiple scars and superficial facial wounds attributed to biting by live prey were apparent. Radiographic examination revealed bilateral, focal, rostral maxillary osteomyelitis. TREATMENT AND OUTCOME Wound irrigation, antimicrobials, and anti-inflammatory drug treatment resulted in reduced cellulitis. A 3-week regimen that included empirical antimicrobial treatment and improved husbandry resulted in resolution of the respiratory sounds and partial healing of bite wounds, but radiographic evaluation revealed progressive maxillary osteomyelitis. Microbial culture of blood yielded scant gram-positive cocci and Bacillus spp, which were suspected sample contaminants. Bilateral partial maxillectomies were performed; microbial culture and histologic examination of resected bone confirmed osteomyelitis with gram-positive cocci. Treatment with trimethoprim-sulfamethoxazole was initiated on the basis of microbial susceptibility tests. Four months later, follow-up radiography revealed premaxillary osteomyelitis; surgery was declined, and treatment with trimethoprim-sulfamethoxazole was reinstituted. Eight months after surgery, the patient was reevaluated because of recurrent clinical signs; premaxillectomy was performed, and treatment with trimethoprim-sulfamethoxazole was prescribed on the basis of microbial culture of bone and microbial susceptibility testing. Resolution of osteomyelitis was confirmed by CT 11 months after the initial surgery. CONCLUSIONS AND CLINICAL RELEVANCE Focal maxillectomies and premaxillectomy were successfully performed in a large python. Surgical management and appropriate antimicrobial treatment resulted in a good outcome.
[Mh] Termos MeSH primário: Boidae
Infecções por Bactérias Gram-Positivas/veterinária
Doenças Maxilares/veterinária
Osteomielite/veterinária
[Mh] Termos MeSH secundário: Animais
Mordeduras e Picadas/complicações
Mordeduras e Picadas/veterinária
Celulite (Flegmão)/terapia
Celulite (Flegmão)/veterinária
Dermatoses Faciais/veterinária
Feminino
Bolsa Gengival/veterinária
Infecções por Bactérias Gram-Positivas/diagnóstico
Infecções por Bactérias Gram-Positivas/cirurgia
Cocos Gram-Positivos/isolamento & purificação
Doenças Maxilares/diagnóstico por imagem
Doenças Maxilares/cirurgia
Osteomielite/diagnóstico por imagem
Osteomielite/cirurgia
Radiografia Dentária/veterinária
Ratos
Perda de Dente/veterinária
[Pt] Tipo de publicação:CASE REPORTS; JOURNAL ARTICLE
[Em] Mês de entrada:1612
[Cu] Atualização por classe:161230
[Lr] Data última revisão:
161230
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160414
[St] Status:MEDLINE
[do] DOI:10.2460/javma.248.9.1027


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[PMID]:27029093
[Au] Autor:Incerti-Parenti S; Checchi V; Molinari C; Alessandri-Bonetti G
[Ti] Título:Periodontal Side Effect During Orthopedic Face Mask Therapy.
[So] Source:Int J Orthod Milwaukee;26(4):49-51, 2015.
[Is] ISSN:1539-1450
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:A 7-year-old patient exhibited gingival recession of tooth #41 and severe plaque accumulation after 3 months of face mask therapy. The recession improved only slightly after appropriate oral hygiene instructions and motivation. Decisive improvement began when the vertical chin pad extension was reduced to avoid pressure on the affected area.
[Mh] Termos MeSH primário: Aparelhos de Tração Extrabucal/efeitos adversos
Retração Gengival/etiologia
[Mh] Termos MeSH secundário: Criança
Placa Dentária/etiologia
Seguimentos
Bolsa Gengival/etiologia
Gengivite/etiologia
Seres Humanos
Incisivo/patologia
Masculino
Má Oclusão de Angle Classe III/terapia
Desenho de Aparelho Ortodôntico/efeitos adversos
Técnica de Expansão Palatina
[Pt] Tipo de publicação:CASE REPORTS; JOURNAL ARTICLE
[Em] Mês de entrada:1605
[Cu] Atualização por classe:160331
[Lr] Data última revisão:
160331
[Sb] Subgrupo de revista:D
[Da] Data de entrada para processamento:160401
[St] Status:MEDLINE


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[PMID]:26329527
[Au] Autor:Azizi A; Sarlati F; Bidi M; Mansouri L; Azaminejad SM; Rakhshan V
[Ad] Endereço:a Department of Oral and Maxillofacial Medicine and.
[Ti] Título:Effects of smoking severity and moderate and severe periodontitis on serum C-reactive protein levels: an age- and gender-matched retrospective cohort study.
[So] Source:Biomarkers;20(5):306-12, 2015.
[Is] ISSN:1366-5804
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:BACKGROUND AND PURPOSE: C-reactive protein (CRP) which might affect cardiovascular events can be affected by chronic diseases and smoking. Since the effects of smoking dosage as well as the mutual effect of smoking and periodontitis on CRP levels have not been evaluated, we aimed to assess these. MATERIALS AND METHODS: This retrospective age- and gender-matched study was performed on 120 dental patients. Clinical attachment loss, pocket probing depth (PPD), bleeding on probing (BoP), O'Leary plaque index and serum CRP were recorded. Patients were divided into one control and five cohort groups (n = 20 each) according to smoking severity [pack years (PY) below or above 30] and periodontal condition (healthy periodontium and moderate/severe periodontitis). The effects of clinical measurements, age, gender, smoking and periodontitis on CRP were assessed using one- and two-way analyses of variance, Tukey and Bonferroni post hoc tests, and multiple linear regression (α = 0.05). RESULTS: CRP concentrations were 0.07255 ± 0.009539, 0.09645 ± 0.010625, 0.122235 ± 0.018442, 0.3758 ± 0.187369, 0.81595 ± 0.0410299 and 1.8717 ± 0.652728 mg/l, respectively, in the control (PY ≤ 30 with healthy periodontium), cohort 1 (PY > 30 with healthy periodontium), cohort 2 (PY ≤ 30 with moderate periodontitis), cohort 3 (PY > 30 with moderate periodontitis), cohort 4 (PY ≤ 30 with severe periodontitis) and cohort 5 (PY > 30 with severe periodontitis). The positive effects of age, smoking severity, periodontitis and PPD, on CRP increase were significant (Regression p < 0.02). BoP had a negative effect (p = 0.015). CONCLUSIONS: Clinicians should warn the patients, especially the older ones, about the effects of their gingival health and smoking on their cardiovascular condition.
[Mh] Termos MeSH primário: Biomarcadores/sangue
Proteína C-Reativa/metabolismo
Periodontite/sangue
Fumar
[Mh] Termos MeSH secundário: Adulto
Feminino
Bolsa Gengival
Seres Humanos
Masculino
Estudos Retrospectivos
Índice de Gravidade de Doença
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Biomarkers); 9007-41-4 (C-Reactive Protein)
[Em] Mês de entrada:1606
[Cu] Atualização por classe:150902
[Lr] Data última revisão:
150902
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:150903
[St] Status:MEDLINE
[do] DOI:10.3109/1354750X.2015.1068864


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[PMID]:26324012
[Au] Autor:Vielkind P; Jentsch H; Eschrich K; Rodloff AC; Stingu CS
[Ad] Endereço:Institute for Medical Microbiology and Epidemiology of Infectious Diseases, Consultant Laboratory for Anaerobic Bacteria, University Hospital of Leipzig, Liebigstr. 21, 04103 Leipzig, Germany.
[Ti] Título:Prevalence of Actinomyces spp. in patients with chronic periodontitis.
[So] Source:Int J Med Microbiol;305(7):682-8, 2015 Oct.
[Is] ISSN:1618-0607
[Cp] País de publicação:Germany
[La] Idioma:eng
[Ab] Resumo:This study investigated the prevalence of Actinomyces spp. in shallow, deep and very deep pockets of patients with chronic periodontitis compared to healthy controls and correlated the results with clinical status. Twenty patients with chronic periodontitis and 15 healthy subjects were enrolled in this study. Clinical indices were recorded in a six-point measurement per tooth. From each patient samples of supra and subgingival plaque were taken separately from teeth with shallow, deep and very deep pockets. Samples of supragingival plaque and sulcular microflora were collected from the healthy subjects. All the samples were cultivated on different media at 37̊C in an anaerobic atmosphere for 7 days. All the suspect colonies were identified using a rapid ID 32 A system (bioMèrieux) and MALDI-TOF-MS analysis using an Autoflex II Instrument (Bruker Daltonics) together with in house developed identification software and a reference spectra database. A total of 977 strains were identified as Actinomyces. Actinomyces naeslundii/oris/johnsonii (430 isolates) was the most prevalent species and was found in all patients and in almost all of the healthy subjects. Significant differences (p=0.003) between the groups were found for Actinomyces odontolyticus/meyeri and Actinomyces israelii which were associated with periodontitis patients. Actinomyces dentalis was found in higher percentage (p=0.015) in the periodontitis group. Actinomyces gerencseriae and Actinomyces massiliensis were significantly more often found supragingivally than subgingivally (p=0.004, p=0.022, respectively) in the periodontitis group. Whether some Actinomyces species, definitely important plaque formers, are actively involved in the pathogenicity of chronic periodontitis needs further investigation.
[Mh] Termos MeSH primário: Actinomyces/isolamento & purificação
Actinomicose/epidemiologia
Actinomicose/microbiologia
Periodontite Crônica/microbiologia
Placa Dentária/microbiologia
Bolsa Gengival/microbiologia
[Mh] Termos MeSH secundário: Actinomyces/química
Actinomyces/classificação
Actinomyces/crescimento & desenvolvimento
Adulto
Idoso
Anaerobiose
Técnicas Bacteriológicas/métodos
Feminino
Seres Humanos
Masculino
Meia-Idade
Prevalência
Espectrometria de Massas por Ionização e Dessorção a Laser Assistida por Matriz
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1607
[Cu] Atualização por classe:151020
[Lr] Data última revisão:
151020
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:150902
[St] Status:MEDLINE


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[PMID]:25588166
[Au] Autor:Korsch M; Robra BP; Walther W
[Ti] Título:Cement-associated signs of inflammation: retrospective analysis of the effect of excess cement on peri-implant tissue.
[So] Source:Int J Prosthodont;28(1):11-8, 2015 Jan-Feb.
[Is] ISSN:0893-2174
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:PURPOSE: Excess cement left in the peri-implant sulcus after the placement of prosthetic restorations risks inflammation in the peri-implant tissue. While many current studies deal with the question of how to avoid undetected excess cement, relatively little is known about the clinical consequences of this complication. This study analyzed the clinical findings associated with excess cement. Further, the influence of the sojourn time of undetected excess cement in the peri-implant pocket on clinical findings was investigated. MATERIALS AND METHODS: Within the scope of a retrospective clinical follow-up, the suprastructures that were originally cemented with a methacrylate cement were revised in 93 patients (171 implants). The patients were split into two groups according to the time between placement of the prosthetic restoration and revision. Group 1 (G1) had treatment revisions within 2 years of restoration placement (71 patients with 126 implants); in group 2 (G2), treatment revisions were conducted at a later time (22 patients with 45 implants). For the purpose of statistical analysis, both groups were further analyzed based on the presence/absence of excess cement at the time of revision. RESULTS: By definition, the average time to revision in G1 was shorter than in G2 (0.71 years versus 4.07 years). There was no significant difference in the frequency of excess cement at revision between G1 (59.5%) and G2 (62.2%). The clinical findings around the implants in G1 were significantly less severe than in G2 (bleeding on probing: G1 without excess cement--17.6%, G1 with excess cement--80%, G2 without excess cement--94.1%, G2 with excess cement--100%; suppuration: G1 without excess--0%, G1 with excess cement--21.3%, G2 without excess cement--23.3%, G2 with excess cement--89.3%). After removing the excess cement, cleaning and disinfecting the implant abutment and restoration, and using a different cement, significantly fewer signs of inflammation were found at further follow-up in both groups. CONCLUSIONS: Within the limitations of this retrospective observational study, excess cement was present in a high number of cement-retained implant restorations. Signs of inflammation were present in a large proportion of implants at short- to medium-term follow-up. At the time of restoration revisions, the clinical observation of previously undetected excess cement was associated with increased prevalence of inflammation. Removal of excess cement significantly reduced the signs of inflammation.
[Mh] Termos MeSH primário: Cimentos Dentários/efeitos adversos
Estomatite/etiologia
[Mh] Termos MeSH secundário: Adulto
Idoso
Idoso de 80 Anos ou mais
Anti-Infecciosos Locais/uso terapêutico
Clorexidina/uso terapêutico
Projeto do Implante Dentário-Pivô
Desinfecção/métodos
Eugenol/química
Feminino
Seguimentos
Corpos Estranhos/etiologia
Hemorragia Gengival/etiologia
Bolsa Gengival/etiologia
Gengivite/etiologia
Seres Humanos
Masculino
Metacrilatos/efeitos adversos
Meia-Idade
Estudos Retrospectivos
Supuração
Adulto Jovem
Óxido de Zinco/química
Cimento de Óxido de Zinco e Eugenol/química
[Pt] Tipo de publicação:JOURNAL ARTICLE; OBSERVATIONAL STUDY
[Nm] Nome de substância:
0 (Anti-Infective Agents, Local); 0 (Dental Cements); 0 (Methacrylates); 0 (Zinc Oxide-Eugenol Cement); 3T8H1794QW (Eugenol); 60318-48-1 (Temp-Bond); R4KO0DY52L (Chlorhexidine); SOI2LOH54Z (Zinc Oxide)
[Em] Mês de entrada:1503
[Cu] Atualização por classe:150115
[Lr] Data última revisão:
150115
[Sb] Subgrupo de revista:D
[Da] Data de entrada para processamento:150115
[St] Status:MEDLINE
[do] DOI:10.11607/ijp.4043


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[PMID]:22824245
[Au] Autor:Rubio NA; Puia S; Toranzo S; Brusca MI
[Ad] Endereço:Cátedra de Microbiología y Parasitología, Facultad de Odontología, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina.
[Ti] Título:[Fungal invasion of connective tissue in patients with gingival-periodontal disease].
[Ti] Título:Invasión fúngica en tejido conectivo en pacientes con enfermedad gingivo-periodontal..
[So] Source:Rev Iberoam Micol;32(1):20-4, 2015 Jan-Mar.
[Is] ISSN:2173-9188
[Cp] País de publicação:Spain
[La] Idioma:spa
[Ab] Resumo:BACKGROUND: In the last few years unusual microorganisms have been isolated from subgingival biofilm, as possible initiators or contributors to periodontal disease, especially in patients who show no improvement during treatment. AIMS: To study the Candida invasion of the connective tissue in relation to subgingival biofilm presence. METHODS: A total of 55 immunocompetent patients of both sexes, between 21 and 55 years of age, non-smokers, without previous antimicrobial treatment, suffering periodontal diseases, were studied. Soft tissues, supragingival and subgingival plaque samples, and periodontal pocket biopsies were taken. Microscopic studies, cultures, assimilation profiles, and DNA amplifications were performed. RESULTS: In 35% of the samples, different species of Candida were isolated in cultures, especially Candida albicans. Hyphae invasions in the connective tissue were observed, in association with anaerobic microorganisms (Porphyromonas gingivalis, Prevotella intermedia and Aggregatibacter actinomycetemcomitans) in patients with periodontitis. CONCLUSIONS: Different species of Candida could be part of the periodontal plaque and could play an important role in the adherence to soft tissues, allowing deep invasion. They also could infect gingival pockets in patients with gingivitis, even in healthy locations, playing a commensal or opportunist role.
[Mh] Termos MeSH primário: Candidíase Invasiva/microbiologia
Candidíase Bucal/microbiologia
Periodontite Crônica/microbiologia
Tecido Conjuntivo/microbiologia
Placa Dentária/microbiologia
Gengivite/microbiologia
[Mh] Termos MeSH secundário: Adulto
Bactérias Anaeróbias/isolamento & purificação
Infecções por Bacteroidaceae/microbiologia
Infecções por Bacteroidaceae/patologia
Biofilmes
Candida/isolamento & purificação
Candida/patogenicidade
Candidíase Invasiva/patologia
Candidíase Bucal/patologia
Periodontite Crônica/patologia
Coinfecção
Tecido Conjuntivo/patologia
Feminino
Bolsa Gengival/microbiologia
Gengivite/patologia
Seres Humanos
Hifas
Masculino
Meia-Idade
Infecções Oportunistas/microbiologia
Infecções Oportunistas/patologia
Bolsa Periodontal/microbiologia
Porphyromonas gingivalis/isolamento & purificação
Prevotella intermedia/isolamento & purificação
Especificidade da Espécie
Simbiose
Virulência
Adulto Jovem
[Pt] Tipo de publicação:ENGLISH ABSTRACT; JOURNAL ARTICLE
[Em] Mês de entrada:1510
[Cu] Atualização por classe:150202
[Lr] Data última revisão:
150202
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:120725
[St] Status:MEDLINE


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[PMID]:25398803
[Au] Autor:Polkowska I; Sobczynska-Rak A; Golynska M
[Ad] Endereço:Department and Clinic of Animal Surgery, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, Lublin, Poland iza-polkowska@tlen.pl.
[Ti] Título:Analysis of gingival pocket microflora and biochemical blood parameters in dogs suffering from periodontal disease.
[So] Source:In Vivo;28(6):1085-90, 2014 Nov-Dec.
[Is] ISSN:1791-7549
[Cp] País de publicação:Greece
[La] Idioma:eng
[Ab] Resumo:BACKGROUND/AIM: Periodontal diseases in dogs are caused by bacteria colonising the oral cavity. The presence of plaque comprising accumulations of aerobic and anaerobic bacteria leads to the development of periodontitis. Due to the fact that in a large percentage of cases periodontal diseases remain undiagnosed, and consequently untreated, they tend to acquire a chronic character, lead to bacteraemia and negatively impact the health of internal organs. The aim of the present study was to perform a qualitative microbiological analysis of gingival pockets and determine the correlations between selected morphological and biochemical blood parameters and the extent periodontal diseases. PATIENTS AND METHODS: Twenty-one dogs treated for periodontal diseases were qualified for the study and subsequently divided into two groups: with 3rd and 4th stage of periodontal disease. Swabs from the patients' gingival pockets were taken for bacteriological testing. Blood was tested for parameters including erythrocyte count, haemoglobin concentration, haematocrit values and leukocyte count. Blood serum was analyzed with respect to the concentrations of alanine transaminase (ALT), aspartate transaminase (AspAT/AST) and urea. RESULTS: The microbiological analysis of gingival pockets indicated the presence of numerous pathogens with a growth tendency in bacterial cultures observed in dogs with advanced-stage periodontal disease. The concentration of biochemical blood markers was significantly higher in dogs with 4th stage of periodontal disease, to compared to the 3rd-stage group. Morphological parameters were not significantly different with the exception of haemoglobin concentration, which was lower in dogs with 4th stage disease. In both groups, elevated leukocyte counts were observed. CONCLUSION: By conducting a detailed microbiological examination, it is possible to provide a better prognosis, plan adequate treatment and monitor dogs treated for peridontopathy.
[Mh] Termos MeSH primário: Bolsa Gengival/microbiologia
Microbiota
Doenças Periodontais/sangue
Doenças Periodontais/microbiologia
[Mh] Termos MeSH secundário: Animais
Bactérias/classificação
Bactérias/isolamento & purificação
Modelos Animais de Doenças
Cães
Fungos/classificação
Fungos/isolamento & purificação
Periodontite/sangue
Periodontite/microbiologia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1507
[Cu] Atualização por classe:141115
[Lr] Data última revisão:
141115
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:141116
[St] Status:MEDLINE


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[PMID]:25033584
[Au] Autor:Petrovic SM; Zelic K; Milasin J; Popovic B; Pucar A; Zelic O
[Ti] Título:Detection of herpes simplex virus type 1 in gingival crevicular fluid of gingival sulcus/periodontal pocket using polymerase chain reaction.
[So] Source:Srp Arh Celok Lek;142(5-6):296-300, 2014 May-Jun.
[Is] ISSN:0370-8179
[Cp] País de publicação:Serbia
[La] Idioma:eng
[Ab] Resumo:INTRODUCTION: Pathogenesis and some characteristics of periodontitis cannot be fully explained by bacterial etiology alone. Herpes viruses may bridge the gap between clinical characteristics and molecular understanding of periodontal destruction. OBJECTIVE: The aim of this study was to investigate the prevalence of herpes simplex virus type 1 (HSV-1) in gingival crevicular fluid (GCF) of healthy and damaged periodontium in Serbian population and to explore potential correlation between the presence of this virus and the level of periodontal destruction. METHODS: Samples were collected from gingival sulcus/periodontal pockets by sterile paper points and the presence of viral DNA in gingival crevicular fluid was assessed by PCR. RESULTS: There was no statistically significant difference in HSV-1 in presence between periodontitis patients (PG = 38.9%) and healthy controls (HC = 32.3%), (Chi-square test, with Yates' correction p = 0.7574). However, HSV-1 positive patients showed significantly higher values of parameters of periodontal destruction (PPD = 7.11 +/- 2.52, CAL = 5.46 +/- 2.34) than periodontitis patients without HSV-1 in gingival crevicular fluid (PPD = 4.70 +/- 1.79, CAL = 3.39 +/- 2.65) (p values respectively, p = 0.002 and p = 0.023, Independent Samples T-Test). HSV-1 occurred more often in deeper (PPD > or = 6 mm) (69.2%) than in shallow pockets (3 mm < PPD < 6 mm) (18.2%) (Chi-square test, with Yates' correction, p = 0.008). Plaque index was lower in the HSV-1 positive group (0.84 +/- 0.69 vs. 1.43 +/- 0.76, p = 0.023, Independent Samples T-Test). CONCLUSION: This study demonstrated that the presence of HSV-1 in the gingival crevicular fluid coincides with a higher degree of tissue destruction in patients with periodontitis.
[Mh] Termos MeSH primário: Líquido do Sulco Gengival/virologia
Bolsa Gengival/virologia
Herpesvirus Humano 1/genética
Bolsa Periodontal/virologia
Reação em Cadeia da Polimerase
[Mh] Termos MeSH secundário: Adolescente
Adulto
Idoso
Estudos de Casos e Controles
DNA Viral/análise
DNA Viral/isolamento & purificação
Índice de Placa Dentária
Feminino
Líquido do Sulco Gengival/metabolismo
Bolsa Gengival/complicações
Bolsa Gengival/genética
Herpes Simples/complicações
Herpes Simples/epidemiologia
Herpes Simples/virologia
Herpesvirus Humano 1/isolamento & purificação
Seres Humanos
Masculino
Meia-Idade
Bolsa Periodontal/complicações
Bolsa Periodontal/epidemiologia
Bolsa Periodontal/genética
Reação em Cadeia da Polimerase/métodos
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (DNA, Viral)
[Em] Mês de entrada:1510
[Cu] Atualização por classe:140718
[Lr] Data última revisão:
140718
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:140719
[St] Status:MEDLINE


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[PMID]:24518708
[Au] Autor:Ammajan RR; Joseph R; Rajeev R; Choudhary K; Vidhyadharan K
[Ad] Endereço:Department of Periodontics, Government Dental College, Calicut, India.
[Ti] Título:Assessment of periodontal changes in patients undergoing radiotherapy for head and neck malignancy: a hospital-based study.
[So] Source:J Cancer Res Ther;9(4):630-7, 2013 Oct-Dec.
[Is] ISSN:1998-4138
[Cp] País de publicação:India
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: Surgical resection, radio and chemotherapy, either used singly or in combination, are the three most common modalities used in head and neck cancer treatment. These modalities are effective in eradicating the tumor; they also negatively impact the normal head and neck structures surrounding the tumor. Direct damage to the oral structures (soft and hard tissue) frequently occurs from radio and chemotherapy, and indirect damage may also arise from systemic toxicity. MATERIALS AND METHODS: This prospective study was designed to analyze the effect of radiotherapy on periodontal parameters in oncology patients prior to irradiation in the head and neck area, compared with 6 months following treatment. The statistical analysis was done using SPSS. RESULTS: The study sample consisted of total 29 patients of head and neck malignancy (M = 17, F = 12), of mean age 45.66 years. Only 22% of patients had various habits (smoking, tobacco chewing, and alcohol consumption) and majority (27.59% patients) had tongue malignancy. All periodontal parameters - oral hygiene index Siller (OHIS), clinical attachment level (CAL), gingival recession (GR), except probing pocket depth (PPD) - were significantly increased after radiotherapy. When comparison was made between doses and fractions, only in mandible statistically significant difference were observed in GR. CONCLUSION: Although there was no significant change in PPD, there was increased GR, CAL, and plaque index associated with radiotherapy. In this study, 61.5% cases of mandibular teeth and 34.4% cases of maxillary teeth showed attachment loss greater than 0.2 mm. So, all patients with head and neck malignancy should undergo an oral examination before the initiation of cancer therapy with adequate prophylaxis.
[Mh] Termos MeSH primário: Gengiva/efeitos da radiação
Neoplasias de Cabeça e Pescoço/radioterapia
Mandíbula/efeitos da radiação
Maxila/efeitos da radiação
Osteorradionecrose
[Mh] Termos MeSH secundário: Adulto
Placa Dentária
Índice de Placa Dentária
Fracionamento de Dose
Feminino
Bolsa Gengival
Retração Gengival
Hospitais
Seres Humanos
Masculino
Meia-Idade
Periodontite
Estudos Prospectivos
Dose de Radiação
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1412
[Cu] Atualização por classe:140212
[Lr] Data última revisão:
140212
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:140213
[St] Status:MEDLINE
[do] DOI:10.4103/0973-1482.126461



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