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Gingivitis

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https://www.readbyqxmd.com/read/29667787/gingival-shade-guides-colorimetric-and-spectral-modeling
#1
Razvan Ghinea, Luis Javier Herrera, María M Pérez, Ana M Ionescu, Rade D Paravina
OBJECTIVE: To design colorimetric and spectral models of gingival shade guides that adequately represent the color of human gingiva. MATERIALS AND METHODS: A previously compiled database on the spectral reflectance of healthy keratinized gingiva was used for optimization. Coverage Error (CE) and Maximal Error (ME) were optimized using CIELAB and CIEDE2000 color difference formulas. A two-phase process included an FCM algorithm and a nonlinear optimization. A t test was used to compare the performance of the different numbers of clusters/tabs in gingival shade guide models (α = ...
March 2018: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/29666288/microbiota-and-metatranscriptome-changes-accompanying-the-onset-of-gingivitis
#2
Emily M Nowicki, Raghav Shroff, Jacqueline A Singleton, Diane E Renaud, Debra Wallace, Julie Drury, Jolene Zirnheld, Brock Colleti, Andrew D Ellington, Richard J Lamont, David A Scott, Marvin Whiteley
Over half of adults experience gingivitis, a mild yet treatable form of periodontal disease caused by the overgrowth of oral microbes. Left untreated, gingivitis can progress to a more severe and irreversible disease, most commonly chronic periodontitis. While periodontal diseases are associated with a shift in the oral microbiota composition, it remains unclear how this shift impacts microbiota function early in disease progression. Here, we analyzed the transition from health to gingivitis through both 16S v4-v5 rRNA amplicon and metatranscriptome sequencing of subgingival plaque samples from individuals undergoing an experimental gingivitis treatment...
April 17, 2018: MBio
https://www.readbyqxmd.com/read/29664579/chronic-intra-oral-pain-and-depressive-symptoms-in-japanese-community-dwelling-elderly-a-longitudinal-study
#3
L Hanindriyo, A Yoshihara, T Takiguchi, H Miyazaki
OBJECTIVE: The incidence of major depressive disorder in the elderly ranges from 0.2 to 14.1/100 person-years, and the incidence of clinically relevant depressive symptoms is 6.8/100 person-years. This study aimed to assess the longitudinal relationship between chronic intra oral pain and depressive symptom in Japanese elderly. BASIC RESEARCH DESIGN: 3-year cohort study. PARTICIPANTS: 212 community-dwelling seniors (129 men, 83 women) aged 77 years residing in the city of Niigata, Japan in 2005...
April 17, 2018: Community Dental Health
https://www.readbyqxmd.com/read/29664420/controlled-release-of-18-%C3%AE-glycyrrhetic-acid-by-nanodelivery-systems-increases-cytotoxicity-on-oral-carcinoma-cell-line
#4
Ilaria Cacciotti, Laura Chronopoulou, Cleofe Palocci, Adriana Amalfitano, Monica Cantiani, Massimo Cordaro, Carlo Lajolo, Cinzia Callà, Alma Boninsegna, Donatella Lucchetti, Patrizia Gallenzi, Alessandro Sgambato, Giuseppina Nocca, Alessandro Arcovito
The topical treatment for oral mucosal diseases is often based on products optimized for dermatologic applications; consequently, a lower therapeutic effect may be present.
 18-β-Glycyrrhetic Acid (GA) is extracted from Glycirrhiza glabra. The first aim of this study was to test the cytotoxicity of GA on PE/CA-PJ15 cells. The second aim was to propose and test two different delivery systems, i.e. nanoparticles and fibers, to guarantee a controlled release of GA in vitro. We used chitosan and poly(lactic-co-glycolic) acid based nanoparticles and polylactic acid fibers...
April 17, 2018: Nanotechnology
https://www.readbyqxmd.com/read/29664334/influence-of-reminder-therapy-for-controlling-bacterial-plaque-in-patients-undergoing-orthodontic-treatment-a-systematic-review-and-meta-analysis
#5
Igor Felipe Pereira Lima, Walbert de Andrade Vieira, Ítalo de Macedo Bernardino, Pedro Augusto Costa, Anderson Paulo Barbosa Lima, Matheus Melo Pithon, Luiz Renato Paranhos
OBJECTIVE: To assess the scientific evidence regarding the influence of reminder therapy on plaque index, gingival index, and white spots in patients subjected to orthodontic treatment. MATERIALS AND METHODS: Randomized clinical trials were searched in the electronic databases LILACS, PubMed, SciELO, Scopus, Web of Science, Embase, LIVIVO, and Cochrane Library. The databases OpenThesis and OpenGrey were used to capture the "gray literature," preventing selection and publication biases...
April 17, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29663975/gingival-enlargement-caused-by-vitamin-c-deficiency-scurvy-in-a-boy
#6
Adesh Kakade, Mugdha S Raut, Anitha Santosh, Saurabh Nagar, Shivani Bansal, Rajiv S Desai
Localized gingival enlargement associated with vitamin C deficiency (scurvy) is rarely encountered in the modern era. The purpose of this paper is to report a case of extensive inflammatory gingival enlargement in the mandibular anterior region associated with vitamin C deficiency in a 10 year-old boy. There was a significant improvement of the gingival enlargement seven days after starting oral vitamin C supplementation. Vitamin C deficiency should be included in the differential diagnosis of any gingival enlargement, especially in children...
January 15, 2018: Journal of Dentistry for Children
https://www.readbyqxmd.com/read/29663912/periodontal-impact-of-preformed-metal-crowns-on-permanent-molars-of-children-and-adolescents-a-pilot-study
#7
Aikaterini Koleventi, Dimitra Sakellari, Konstantinos N Arapostathis, Nikolaos Kotsanos
PURPOSE: When treating an early permanent molar with coronal malformation in children, as in severe molar incisor hypomineralization (MIH) cases, preformed metal crowns (PMCs) are a successful mid- to long-term restorative option. The purpose of this study was to evaluate possible changes in periodontal tissues and subgingival microbiota after PMC placement by way of a split-mouth study. METHODS: Fourteen healthy patients with a mean age of 10.6 (±4.2) years old, attending a university dental clinic, had one MIH severely affected permanent first molar restored with a PMC (study side), while the contralateral relatively healthy tooth was the control...
March 15, 2018: Pediatric Dentistry
https://www.readbyqxmd.com/read/29662973/a-novel-approach-to-treat-gingival-recession-and-non-caries-cervical-lesion-combined-defects-restoration-guided-creeping-attachment-rgca-technique-a-case-report
#8
Giacomo Derchi, Valentina Borgia, Enrico Manca, Antonio Barone, Ignazio Loi, Ugo Covani
Gingival recessions have multifactorial etiology and are often associated with non-caries cervical lesions. Different surgical techniques have been proposed over the years for their treatment, according to the severity of the recession. A novel technique, called restoration guided creeping attachment (RGCA), for the treatment of combined gingival recession and non-caries cervical lesion is presented. RGCA aims at treating Miller class I and II recessions using a specifically designed composite restoration and a minimally invasive approach...
April 16, 2018: Quintessence International
https://www.readbyqxmd.com/read/29662960/impact-of-oral-hygiene-discontinuation-on-supragingival-and-salivary-microbiomes
#9
D Belstrøm, M L Sembler-Møller, M A Grande, N Kirkby, S L Cotton, B J Paster, S Twetman, P Holmstrup
The purpose of the present study was to characterize and compare supragingival and salivary microbiotas during a 10-d period of oral hygiene discontinuation. We tested the hypothesis that the composition of the salivary microbiota will reflect local microbial changes associated with accumulated biofilm formation and maturation. Pooled supragingival plaque ( n = 145) and stimulated saliva ( n = 145) samples were collected and plaque and gingival indices were recorded from 29 orally healthy individuals at baseline, during oral hygiene discontinuation (days 4, 7, and 10), and 14 d after resumption of oral hygiene...
January 2018: JDR Clinical and Translational Research
https://www.readbyqxmd.com/read/29660511/comparative-adsorption-profiles-of-basal-lamina-proteome-and-gingival-cells-onto-dental-and-titanium-surfaces
#10
Mohamed-Nur Abdallah, Ghada Abughanam, Simon D Tran, Zeeshan Sheikh, Mohamed A Mezour, Tayebah Basiri, Yizhi Xiao, Marta Cerruti, Walter L Siqueira, Faleh Tamimi
Titanium (Ti) dental implants are susceptible to bacterial infections and failure due to lack of proper epithelial seal. Epithelial cells establish a strong epithelial seal around natural teeth by the deposition of basal lamina (BL) proteins that adsorb on the tooth surface. This seal can even be re-established onto cementum or dentin following injury or periodontal therapy. However, it is unclear how tooth surfaces promote this cell attachment and protein adsorption. Understanding the interactions between BL proteins and epithelial cells with dentin and Ti will facilitate the development of implant surfaces that promote the formation of an epithelial seal and improve the success of periodontal therapy and wound healing on natural teeth...
April 13, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29657541/gingival-melanin-depigmentation-by-810-nm-diode-laser
#11
Eser Elemek
The color of gingiva is determined by number and size of blood vessels, thickness of epithelium, keratinization degree, and melanin pigments present in epithelium. Melanocytes, located in basal and suprabasal layers of epithelium, are the cells that produce melanin pigments which play a main role for pigmentation of gingiva. In this case series, the use of 810 nm diode laser for depigmentation of gingiva is presented. Two female patients applied with a chief complaint of "darkened gums" due to heavy smoking...
January 2018: European Journal of Dentistry
https://www.readbyqxmd.com/read/29657397/effect-of-lipopolysaccharide-derived-from-surabaya-isolates-of-actinobacillus-actinomycetemcomitans-on-alveolar-bone-destruction
#12
Rini Devijanti Ridwan, Sidarningsih, Tuti Kusumaningsih, Sherman Salim
Background: Actinobacillus actinomycetemcomitans' lipopolysaccharide (LPS) has a high virulence factor. It interacts with serum protein through receptors on the epithelial cell surface, thereby increasing both interleukin (IL)-1β, and IL-6 which results in damage to periodontal tissue. Aim: The aim of the study was to identify and evaluate the effect of LPS derived from local isolates ( A. actinomycetemcomitans) on the destruction of alveolar bone by means of several biomarkers, including; the number of osteoblasts and osteoclasts, the expression of IL-6, matrix metallopeptidase 1 (MMP-1), and receptor activator of nuclear factor kappa-Β ligand (RANKL)...
February 2018: Veterinary World
https://www.readbyqxmd.com/read/29657250/tgf%C3%AE-1-induced-amelotin-gene-expression-is-downregulated-by-bax-expression-in-mouse-gingival-epithelial-cells
#13
Yohei Nakayama, Sari Matsui, Keisuke Noda, Mizuho Yamazaki, Yasunobu Iwai, Bernhard Ganss, Yorimasa Ogata
Amelotin (AMTN) is induced upon initiation of apoptosis by transforming growth factor beta1 (TGFβ1) and is mediated by Smad3 in gingival epithelial cells (GE1 cells). This upregulation of AMTN gene expression is temporary, and the mechanism responsible is still unclear. The present study investigated the transcriptional downregulation of TGFβ1-induced AMTN gene expression in GE1 cells during the progression of apoptosis. To examine time-dependent changes in the levels of AMTN, Smad3 and Bax mRNA induced by TGFβ1, real-time PCR analyses were performed...
April 16, 2018: Journal of Oral Science
https://www.readbyqxmd.com/read/29656652/oral-health-disparities-among-adolescents-from-urban-and-rural-communities-of-central-chile
#14
Rodrigo A Giacaman, Ivonne P Bustos, Paulina Bazán, Rodrigo J Mariño
PURPOSE: Rural populations may be at increased risk for prevalent oral diseases. The aim of this study was to compare oral health status of adolescents of rural and urban areas from central Chile. METHODS: A representative sample of 552 and 486 adolescents aged 12 and 15 years, respectively, was examined using WHO methods. Adolescents were chosen from schools belonging to urban and rural districts of the region. Caries status was obtained by decayed, missing, filled teeth (DMFT) and significant caries (SiC) indexes...
April 2018: Rural and Remote Health
https://www.readbyqxmd.com/read/29652608/immunomodulatory-role-of-stem-cell-from-human-exfoliated-deciduous-teeth-on-periodontal-regeneration
#15
Xianling Gao, Zongshan Shen, Meiliang Guan, Qiting Huang, Lingling Chen, Wei Qin, Xiaohu Ge, Haijia Chen, Yin Xiao, Zhengmei Lin
Periodontitis is initiated by the infection of periodontal bacteria and subsequent tissue inflammation due to immunoreaction, eventually leading to periodontal apparatus loss. Stem cells from human exfoliated deciduous teeth (SHEDs) have exhibited beneficial characteristics in dental tissue regeneration. However, the immunomodulatory functions of SHEDs have not been elucidated in the context of periodontitis treatment. In this study, we investigated the potential immunomodulatory effects of SHEDs on experimental periodontitis and demonstrated that multi-dose delivery of SHEDs led to periodontal tissue regeneration...
March 20, 2018: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/29652571/hemolasertherapy-a-novel-procedure-for-gingival-papilla-regeneration-case-report
#16
Fatima Zanin, Maria Stella Moreira, Ana Clara Fagundes Pedroni, Mateus Windlin, Ana Paula Brugnera, Aldo Brugnera Júnior, Marcia Martins Marques
BACKGROUND: Interdental papilla is of major importance to patients' orofacial aesthetics, especially regarding anterior teeth as part of the smile's harmony. Loss of gingival tissue, which constitutes interdental papilla, forms what in odontology is called black spaces. This loss, besides affecting the smile's aesthetics, also provokes phonetic and functional damage. OBJECTIVE: The objective of the authors is to present the result of three clinical cases treated with an innovative technique called hemolasertherapy, which stimulates growth of gingival papilla and thus permanently fills in the black spaces...
April 2018: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/29652025/chronic-periodontitis-prevalence-and-the-inflammatory-burden-in-a-sample-population-from-south-india
#17
S K Balaji, Vamsi Lavu, Suresh Rao
Context: Periodontal diseases are among the most prevalent oral diseases in the world. Apart from repercussions in the oral cavity, there is evidence that periodontitis contributes to systemic damage in chronic diseases such as cardiovascular disease, diabetes, and preterm low birth weight. Aims: The aims of this study were to estimate the prevalence of chronic periodontitis in a sample urban population (<18 years) in Tamil Nadu and to estimate the inflammatory burden posed by chronic periodontitis by calculating the periodontal inflammatory surface area...
March 2018: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/29652020/classification-systems-for-gingival-recession-and-suggestion-of-a-new-classification-system
#18
REVIEW
Nagappa Guttiganur, Shivanand Aspalli, Mukta V Sanikop, Anupama Desai, Reetika Gaddale, Archana Devanoorkar
Gingival recession is one of the most usual esthetic concerns associated with the periodontal tissues. Classification of such condition is important to diagnose, determine the prognosis, and frame the treatment plan. Various classifications have been put forward since decades to classify gingival recession. Miller's classification is the widely used classification among all classifications, but certain drawbacks have been noted in this classification. Therefore, an effort is made to review most commonly used classification systems for gingival recession, and their drawbacks further come up with a proposal of new classification system for gingival recession...
March 2018: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/29652019/efficacy-of-green-tea-based-mouthwashes-on-dental-plaque-and-gingival-inflammation-a-systematic-review-and-meta-analysis
#19
REVIEW
Ankita Mathur, D Gopalakrishnan, Vini Mehta, S A Rizwan, Sahana Hegde Shetiya, Shreya Bagwe
Objectives: The purpose of this study was to conduct a systematic review and if appropriate a meta-analysis of the efficacy of daily rinsing with green tea-based mouthwashes in terms of plaque index (PI) and/or gingival index (GI) as compared to other mouthwashes in plaque-induced gingivitis patients. Materials and Methods: MEDLINE, Cochrane Central Register of Controlled Trials, IndMed, Google Scholar, and major journals were searched for studies up to December 2016...
March 2018: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/29652010/a-survey-on-the-use-of-various-gingival-displacement-techniques-in-fixed-partial-denture-by-the-prosthodontists-in-vadodara-city
#20
Meghna Ashok Gadhavi, Narendra Nirmal, Himanshu Arora
Aims: To evaluate the use of various gingival displacement techniques prior to impression making in fixed partial dentures by the Prosthodontists in Vadodara. Settings and Design: Questionnaire based survey among prosthodontists in Vadodara city. Methods and Material: All the prosthodontists practitioners and those prosthodontists in academic institutes in Vadodara City, Gujarat, were surveyed through a questionnaire regarding their usage of gingival displacement technique and their reasons and methods of using gingival displacement technique for fixed partial denture...
March 2018: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
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