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Journal of Periodontology

Carlo Ercoli, Georges Jammal, Madeline Buyers, Alexandra Athanasiou Tsigarida, Konstantinos Michail Chochlidakis, Changyong Feng, Jack Caton
BACKGROUND: Contradictory results exist regarding the influence of apicocoronal implant placement on crestal bone levels. METHODS: Complete charts of patients ≥18 y.o. with dental implant/s were included. Demographic, medical, surgical and prosthetic information was recorded. Implant Bone levels were evaluated at initial placement, implant uncovery, prosthetic delivery and 3-6, 7-11, and 12-18 months post-implant placement. RESULTS: 55 patients'charts and 134 implants were included...
April 7, 2017: Journal of Periodontology
Po-Jan Kuo, Tsung-Fu Hung, Chi-Yu Lin, Hsiang-Yin Hsiao, Min-Wen Fu, Po-Da Hong, Hsien-Chung Chiu, Earl Fu
BACKGROUND: This study aimed to evaluate the ameliorative effect of carvacrol, an anti-inflammatory monoterpenoid phenol and a major component of Plectranthus amboinicus, on periodontal damage in an experimental rat model of periodontitis. METHODS: Forty Sprague-Dawley rats were divided into ligation (Lig), non-ligation (N-L), and two ligation plus carvacrol (L+C) groups. Carvacrol (17.5 or 35.0 mg/kg body weight/per day) was administered intragastrically from 1 day before ligation...
April 7, 2017: Journal of Periodontology
Julie T Marchesan, Yizu Jiao, Kevin Moss, Kimon Divaris, William Seaman, Jennifer Webster-Cyriaque, Shaoping Zhang, Ning Yu, Catharine Song, Sompop Bencharit, Ricardo Teles, Steven Offenbacher
BACKGROUND: We investigated the single nucleotide polymorphism (SNP) context of a previously identified periodontitis-associated locus and examined its association with microbial, biological and periodontal disease clinical parameters. METHODS: We annotated a 200Kb-spanning region of 1q12 previously highlighted in a genome-wide association scan among 4,910 European American individuals (SNP rs1633266). Two haplotype blocks were selected. We examined the association of these polymorphisms with data on microbial plaque composition, gingival crevicular fluid (GCF)-interleukin (IL)-1β levels and clinical parameters of periodontal disease...
April 7, 2017: Journal of Periodontology
Te-Chun Shen, Pei-Ying Chang, Cheng-Li Lin, Chang-Ching Wei, Chih-Yen Tu, Te-Chun Hsia, Chuen-Ming Shih, Wu-Huei Hsu, Fung-Chang Sung, Chia-Hung Kao
BACKGROUND: Studies have reported an association between asthma and oral diseases, including periodontal diseases. The aim of this retrospective study was to investigate the risk of periodontal diseases for patients with asthma. METHODS: We identified 19,206 asthmatic patients newly diagnosed in 2000-2010 without the periodontal diseases history from claims data of National Health Insurance of Taiwan. For each case, four comparison individuals were randomly selected from the general population without the history of asthma and periodontal diseases, frequency matched (categorical matched) by sex, age, and year of diagnosis (N=76,824)...
April 7, 2017: Journal of Periodontology
Chen Li, Xue Yang, Yaping Pan, Ning Yu, Xiaoyu Xu, Tong Tong, Xiaolin Tang, Dongmei Zhang, Jingbo Liu, Li Lin
BACKGROUND: Porphyromonas gingivalis (P. gingivalis) is one of the major periodontal pathogens. In a previous study, a mouse abscess model showed that sialidase deficiency of P. gingivalis weakened its virulence, but the mechanism behind this observation remains unknown. METHODS: A sialidase-deficient mutant strain (△PG0352) and a complemented strain (com△PG0352) were constructed. Epi4 cells were stimulated by wild-type strain P. gingivalis W83, △PG0352 or com△PG0352...
March 31, 2017: Journal of Periodontology
Fábio R M Leite, Karen G Peres, Loc G Do, Flávio F Demarco, Marco A Peres
BACKGROUND: Prediction of periodontitis development is challenging. Use of oral health related data alone, especially in young population might underestimate disease risk. This study investigated the accuracy of oral, systemic and socioeconomic data on estimating periodontitis development in a population-based prospective cohort. MATERIALS AND METHODS: General health and sociodemographic information were collected throughout the life-course of the individuals. Oral examinations were performed at ages 24 and 31 in the 1982 Pelotas cohort...
March 31, 2017: Journal of Periodontology
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March 28, 2017: Journal of Periodontology
Silvia Sancilio, Marialucia Gallorini, Amelia Cataldi, Laura Sancillo, Rosa Alba Rana, Viviana di Giacomo
Background Many smokers have recently turned to electronic cigarettes (e-cigarettes) because they have been marketed as a cheaper and safer smokeless alternative to traditional cigarettes, and a possible smoking cessation tool. Even though the safety of these electronic devices is still not fully known, there is evidence of their cytotoxicity on cells which belong to the oral cavity. In a previous paper the increase of reactive oxygen production and Bax expression, followed by the occurrence of apoptosis, were demonstrated in human gingival fibroblasts...
March 24, 2017: Journal of Periodontology
Giancarlo Agudio, Leandro Chambrone, Giovanpaolo Pini Prato
BACKGROUND: The role of keratinized tissue (KT) for maintenance of periodontal health has been debated for many years. This study assessed the long-term "biologic remodeling" of periodontal dimensions of teeth treated with free gingival grafts (FGG) compared to their adjacent/untreated teeth. METHODS: Seventy-four patients, with at least one site showing absence or a reduced amount of attached gingiva associated with gingival recession at baseline, were treated with FGG in a private practice...
March 24, 2017: Journal of Periodontology
Zhaozhao Chen, Yujiao Zhang, Junying Li, Hom-Lay Wang, Haiyang Yu
BACKGROUND: Laser-microtextured surface (LMS) dental implant collar appears to promote a more tooth-like gingival collagen fiber attachment, which may help to stabilize the peri-implant tissues. The purpose of this systematic review was to assess the clinical effect of LMS on crestal bone level and peri-implant soft tissue response, versus non-LMS collar. METHODS: Electronic and manual literature searches were performed by two independent reviewers for articles written in English up to December 2016...
March 17, 2017: Journal of Periodontology
Lucas A Queiroz, Renato C V Casarin, Shareef M Dabdoub, Dimitris N Tatakis, Enilson A Sallum, Purnima S Kumar
BACKGROUND: Although enamel matrix derivative (EMD) has been used to promote periodontal regeneration, little is known of its effect on the microbiome. Therefore, this investigation aimed to identify the changes in periodontal microbiome following treatment with EMD using a deep-sequencing approach. METHODS: Thirty-nine patients having mandibular class II buccal furcation defects were randomized to beta-tricalcium-phosphate/hydroxyapatite graft (BONE group), EMD+BONE or EMD alone...
March 17, 2017: Journal of Periodontology
Karin Jepsen, Martina Stefanini, Mariano Sanz, Giovanni Zucchelli, Søren Jepsen
BACKGROUND: To compare 6 months and 3-year outcomes for root coverage by coronally advanced flap (CAF) procedures in localized gingival recessions. METHODS: Two centers that had participated in a 6 months multinational multicentre RCT were able to follow up 18 patients with 36 Miller Class I and II defects that had been treated in a split-mouth design with CAF or CAF + xenogeneic collagen matrix (CMX). Percentage of root coverage (RC), complete root coverage (CRC), width (KT) and thickness (GT) of keratinized tissue were assessed by the same blinded examiners as after 6 months...
March 17, 2017: Journal of Periodontology
Paolo G Arduino, Federica Romano, Danilo Sasia, Roberto Broccoletti, Fulvio Ricceri, Anna Maria Barbui, Silvia Brossa, Raffaella Cipriani, Luca Cricenti, Marco Cabras, Mario Aimetti
BACKGROUND: The presence of epithelial desquamation, erythema, and erosions on the gingival tissue is usually described in literature as desquamative gingivitis (DG). A wide range of autoimmune/dermatological disorders can manifest as DG, although the two more common are oral lichen planus and mucous membrane pemphigoid. The aim of this study was to investigate the prevalence of 11 periodonto-pathogenic microorganisms in DG cases and to compare it with microbiologic status of individuals affected by plaque-induced gingivitis (GI)...
March 17, 2017: Journal of Periodontology
Santhosh Kumar, Jyothi Tadakamadla, Melanie Zimmer-Gembeck, Jeroen Kroon, Ratilal Lalloo, Newell Walter Johnson
BACKGROUND: Studies have consistently reported that parenting practices having an impact on eating styles which determine obesity levels in children. However, there is no study that evaluated the association of parenting practices on gingivitis in children using path analysis to evaluate if oral health-related behaviour mediates this association. This study aimed to test a model of the parenting and family demographic factors that could account for gingivitis in children, with a focus on the mediational roles of oral health-related behaviours and oral hygiene status...
March 10, 2017: Journal of Periodontology
Min-Wen Fu, E-Chin Shen, Earl Fu, Fu-Gong Lin, Tian-You Wang, Hsien-Chung Chiu
BACKGROUND: We aimed to determine if bone quality evaluation of surgically obtained bone core specimens using a stereomicroscope is reliable for determining bone quality at implant recipient sites. METHODS: Bone quality was pre-surgically assessed in 122 edentulous ridges obtained from 62 patients using periapical radiographs and categorized according to the Lekholm and Zarb classification. During surgery, bone specimens were trephined, and bone types were immediately classified using a stereomicroscope...
March 10, 2017: Journal of Periodontology
Monika Sharma, Lindsay Patterson, Elisha Chapman, Patrick M Flood
BACKGROUND: Salmeterol is a long-acting beta-2 adrenergic receptor (β2AR) agonist that is used to treat chronic obstructive pulmonary disease (COPD). Previously we had shown that pre-incubation of primary microglial enriched cells with Salmeterol could inhibit the inflammatory response induced by E. Coli LPS, a TLR-4 (toll-like receptor-4) agonist. In this study, we sought to determine if Salmeterol had a similar inhibitory effect on the inflammatory response of the murine macrophage cell line RAW264...
March 3, 2017: Journal of Periodontology
Katrin Nickles, Bettina Dannewitz, Kerstin Gallenbach, Tatjana Ramich, Susanne Scharf, Lasse Röllke, Beate Schacher, Peter Eickholz
AIM: Evaluation of long-term stability of attachment achieved in infrabony defects by regenerative treatment. METHODS: All patients that had received regenerative treatment for at least one infrabony defect between 2004 and 2010 were screened for this retrospective case series. If complete examinations (plaque/gingivitis index, probing depth [PD], vertical clinical attachment level [CAL-V]) were available for baseline and 12 months after surgery, they were invited for a re-examination 60±12 months after surgery...
March 3, 2017: Journal of Periodontology
Benjar Issaranggun Na Ayuthaya, Vincent Everts, Prasit Pavasant
BACKGROUND: An increased level of the pro-inflammatory cytokine interleukin-12 (IL-12) correlates with the severity of periodontitis. Yet, a possible role of IL-12 in periodontal disease has not been clarified. The aim of this study was to investigate whether IL-12 affects the expression of receptor activator of nuclear factor kappa-B ligand (RANKL), a potent osteoclast-stimulating factor, by human periodontal ligament (hPDL) cells. METHODS: To determine the effect of IL-12, hPDL cells were incubated with recombinant human IL-12 (p70) in a dose- (0-10 ng/ml) and time-dependent manner...
March 3, 2017: Journal of Periodontology
Ting Yu, Li Zhao, Xin Huang, Meilian Xie, Xiangli Wang, Chanjuan Ma, Yixin Xu, Yixiong Wang, Baoyi Xie, Gang Luo, Jincai Zhang, Dongying Xuan
BACKGROUND: Post-operative weight loss (POWL) is expected to occur in combined models of obesity and periodontitis. This study explored the confounding effects of POWL on the impacts of ligation-induced periodontitis on glucose and lipid metabolism in obese animals. METHODS: Combined mouse models of diet-induced obesity (DIO) and ligation-induced periodontitis (5- or 10-day ligation) were studied. Fasting serum glucose (FSG), insulin (Fins) and lipids including triglyceride (TG), total cholesterol (TC), and low- (LDLC) and high- (HDLC) density lipoprotein cholesterol were detected via biochemistry and enzyme-linked immunosorbent assay...
March 3, 2017: Journal of Periodontology
Andrew G Lum, Yumi Ogata, Sarah E Pagni, Yong Hur
BACKGROUND: An association between Schneiderian membrane thickness and membrane perforation was examined in lateral window sinus augmentation. METHODS: The retrospective study reviewed the record of 551 patients who underwent lateral sinus augmentation at Tufts University School of Dental Medicine (TUSDM) from June 1, 2006 to May 31, 2015. Pre-operative cone-beam computed tomography (CBCT) images were analyzed to evaluate a possible association between membrane thickness, residual bone height, and membrane perforation...
February 26, 2017: Journal of Periodontology
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