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https://www.readbyqxmd.com/read/29473113/the-biocompatibility-of-dental-graded-nano-glass-zirconia-material-after-aging
#1
Ting Sun, Ruoyu Liu, Xiangning Liu, Xiaoli Feng, Yanli Zhang, Renfa Lai
ᅟ: A graded nano-glass/zirconia (G/Z) system has been developed via the infiltration of nano-glass into a nano-zirconia surface, which is advantageous for robust core-veneer bonds. The aging issue is a key for yttrium-stabilized tetragonal zirconia polycrystals (Y-TZPs), and therefore, it is necessary to evaluate the influence of aging degradation on the biocompatibility of G/Z systems before their possible clinical application. Herein, such biocompatibility testing was performed with human gingival fibroblasts (HGFs) seeded onto unaged/aged G/Z and Y-TZP for 2-72 h...
February 23, 2018: Nanoscale Research Letters
https://www.readbyqxmd.com/read/29473040/direct-immunofluorescence-using-non-lesional-buccal-mucosa-in-mucous-membrane-pemphigoid
#2
Mayumi Kamaguchi, Hiroaki Iwata, Inkin Ujiie, Hideyuki Ujiie, Jun Sato, Yoshimasa Kitagawa, Hiroshi Shimizu
Mucous membrane pemphigoid (MMP) is a rare organ-specific autoimmune subepithelial blistering disease with predominantly mucosal erosions, most frequently affecting the gingiva. Erosions in the oral cavity usually result in markedly decreased quality of life. The major autoantigens are BP180 and laminin332, which are components of basement membrane proteins in the skin and mucosa. Diagnosis is usually difficult due to histological destruction of the tissue and low autoantibody titers. In this study, we evaluated the diagnostic value of direct immunofluorescence (DIF) using non-lesional buccal mucosa in seven cases of MMP...
2018: Frontiers in Medicine
https://www.readbyqxmd.com/read/29472662/a-guide-to-minimally-invasive-crown-lengthening-and-tooth-preparation-for-rehabilitating-pink-and-white-aesthetics
#3
F Al-Harbi, I Ahmad
The rehabilitation of anterior dental aesthetics involves a multitude of disciplines, each with its own methodologies for achieving a predefined goal. The literature is awash with different techniques for a given predicament, based on both scientific credence, as well as empirical clinical judgements. An example is crown lengthening for correcting uneven gingival zeniths, increasing clinical crown lengths, and therefore, reducing the amount of maxillary gingival display that detracts from pleasing pink aesthetics...
February 23, 2018: British Dental Journal
https://www.readbyqxmd.com/read/29470454/mineralization-induction-of-gingival-fibroblasts-and-construction-of-a-sandwich-tissue-engineered-complex-for-repairing-periodontal-defects
#4
Mingxuan Wu, Jie Wang, Yanning Zhang, Huijuan Liu, Fusheng Dong
BACKGROUND The ideal healing technique for periodontal tissue defects would involve the functional regeneration of the alveolar bone, cementum, and periodontal ligament, with new periodontal attachment formation. In this study, gingival fibroblasts were induced and a "sandwich" tissue-engineered complex (a tissue-engineered periodontal membrane between 2 tissue-engineered mineralized membranes) was constructed to repair periodontal defects. We evaluated the effects of gingival fibroblasts used as seed cells on the repair of periodontal defects and periodontal regeneration...
February 22, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29468980/updates-on-gmscs-treatment-for-autoimmune-diseases
#5
Feng Huang, Zhong-Min Liu, Song Guo Zheng
BACKGROUND: Autoimmune disease is a refractory disease. Accumulating Evidence has revealed that the manipulation of mesenchymal stem cells may have the potential to control or even treat autoimmune diseases. Human gingiva-derived mesenchymal stem cells (GMSCs) are emerging as a new line of mesenchymal stem cells that have displayed some potential advantages in controlling and treating autoimmune diseases. OBJECTIVE: In this review, we briefly update the current understanding on the biology of GMSCs and their effects on preventing and treating autoimmune diseases...
February 20, 2018: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29465062/microleakage-of-different-adhesive-systems-in-primary-molars-prepared-by-er-yag-laser-or-bur
#6
I O Kalyoncu, F Eren-Giray, N Huroglu, E Egil, I Tanboga
Background and aim: This study aimed to examine the microleakage of class V cavities of primary molars prepared by either a conventional dental bur or Er:YAG laser and one of two different adhesive systems. Methods: A total of 50 tooth samples from primary molars were used in this study. They were randomly assigned into five experimental groups of 10 samples each, according to the cavity preparation technique and the type of adhesive system applied to the cavities...
February 2018: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29464948/inhibition-of-oral-pathogens-adhesion-to-human-gingival-fibroblasts-by-wine-polyphenols-alone-and-in-combination-with-an-oral-probiotic
#7
Adelaida Esteban-Fernández, Irene Zorraquín-Peña, Maria D Ferrer, Alex Mira, Begoña Bartolomé, Dolores González de Llano, M Victoria Moreno-Arribas
Several benefits have been described for red wine polyphenols and probiotic strains in the promotion of colonic metabolism and health. On the contrary, knowledge about their role in the management of oral health is still scarce. In this work, the antiadhesive capacity of selected red wine polyphenols and oenological extracts against the oral pathogens Porphyromonas gingivalis, Fusobacterium nucleatum, and Streptococcus mutans in an in vitro model of human gingival fibroblasts has been explored as well as their complementary action with the candidate oral probiotic Streptococcus dentisani...
February 21, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29464289/long-term-effects-of-class-ii-orthodontic-treatment-on-oral-health
#8
N C Bock, M Saffar, H Hudel, M Evälahti, K Heikinheimo, D P C Rice, S Ruf
AIM: To investigate the long-term (≥15 years) benefit of orthodontic Class II treatment (Tx) on oral health (OH). SUBJECTS AND METHODS: All patients (Department of Orthodontics, University of Giessen, Giessen, Germany) who underwent Class II correction (Herbst-multibracket Tx, end of active Tx ≥ 15 years ago) and agreed to participate in a recall (clinical examination, interview, impressions, and photographs) were included. Records after active Tx were used to assess the long-term OH effects...
February 20, 2018: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/29460548/the-role-of-zinc-plus-octenidine-in-the-regulation-of-gene-expression-an-in-vitro-study
#9
D Lauritano, V Candotto, C A Bignozzi, D Pazzi, F Carinci, F Cura, A Tagliabue, L Tettamanti
Zinc was known in ancient times, and is diffused in the environment. The potential benefits offered by zinc supplementary therapy have been demonstrated in numerous clinical trials using oral or topical zinc products. The benefit of zinc can be in principle increased through association with other actives. The aim of this study is to evaluate the effect on primary human gingival fibroblast cell of a new formulation containing zinc and octenidine cations. Human gingival fibroblast cells were obtained from three healthy patients (14-year-old man, 15-year-old woman and 20-year-old man) during extraction of teeth...
January 2018: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/29460541/radiosurgery-assisted-gingival-displacement-a-proof-of-concept-technique-to-enhance-the-efficiency-of-intraoral-digital-impression
#10
L Arcuri, M Contaldo, R Santoro, A Pozzi, C Lorenzi, C Arcuri, A Barlattani, L Tettamanti, L Ottria
Nowadays, an increasing number of dentists are using intraoral scanners (IOS) in their daily practice as an alternative to conventional impression taking. One of the main concerns is related to the capability of scanning the subgingival anatomy of the die, usually very challenging due to the limited operative field and the presence of oral fluids. The radiosurgery assisted gingival displacement technique (RAGD) may enhance the intraoral optical scanning of the finish line and neighbor tooth anatomy. The contour of the interim prosthesis is used to drive the tip of radiosurgery electrode along the tooth surface and open selectively the gingival crevice with a prosthetically-driven and minimally invasive approach...
January 2018: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/29460534/focus-on-periodontal-disease-and-development-of-endocarditis
#11
F Carinci, M Martinelli, M Contaldo, R Santoro, F Pezzetti, D Lauritano, V Candotto, D Mucchi, A Palmieri, A Tagliabue, L Tettamanti
Infective endocarditis is a devastating disease with high morbidity and mortality. The link to oral bacteria has been known for many decades and has caused ongoing concern for dentists, patients and cardiologists. The microbiota of the mouth is extremely diverse and more than 700 bacterial species have been detected. Half of them are uncultivable so far. Oral microbiota is not uniform, specific sites exist in the mouth such as tongue, palate, cheek, teeth and periodontal pockets that have their own microbiota...
January 2018: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/29460518/prevalence-of-hiv-related-oral-manifestations-and-their-association-with-haart-and-cd4-t-cell-count-a-review
#12
L Ottria, D Lauritano, L Oberti, V Candotto, F Cura, A Tagliabue, L Tettamanti
HIV infection is one of the major health problem of the last decades. This disease causes a chronic infection that can lead to acquired immunodeficiency syndrome (AIDS). According to the Global AIDS update, released in 2016 by HIV department of World Health Organization (WHO) and by the Joint United Nations Program on HIV/AIDS (UNAIDS), at the end of 2015, 36.7 million people were infected by HIV: 34.9 million of these were adults and 1.8 million were children under 15 years of age. The same report shows that during 2015, 2...
January 2018: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/29460513/the-effect-of-gingival-wall-location-on-the-marginal-seal-of-class-ii-restorations-prepared-with-a-flowable-bulk-fill-resin-based-composite
#13
P Segal, V Candotto, A Ben-Amar, M Eger, S Matalon, D Lauritano, Z Ormianer
SureFil SDR is a flowable resin-based composite that allows a single incremental bulk placement. The marginal seal of SureFil SDR at the gingival margins of class II restorations located apical to the cemento-enamel-junction (CEJ) has not been adequately evaluated compared to those located occlusal to the CEJ. Forty class II cavities were prepared in human molars. The gingival margins of 20 preparations were located 0.5 mm occlusal to the CEJ, and the other 20 preparations were located 0.5 mm apical to the CEJ...
January 2018: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/29457306/functional-characterization-of-collaterals-in-the-human-gingiva-by-laser-speckle-contrast-imaging
#14
Réka Fazekas, Eszter Molnár, Zsolt Lohinai, Elek Dinya, Zsuzsanna Tóth, Péter Windisch, János Vág
OBJECTIVES: The rate of blood flow between the various areas of the gingiva in resting position and under challenge is unknown. In the present study, the Laser Speckle Contrast Imaging (LSCI) method was used to map spatial and temporal changes in gingival blood flow after transient compression. METHODS: Horizontal, vertical and papilla base compressions were applied on the attached gingiva in 21 healthy patients (13 women, 8 men). LSCI was used to determine dynamic changes in regional blood flow during a five-second occlusion interval and subsequent reperfusion for twenty minutes...
February 19, 2018: Microcirculation: the Official Journal of the Microcirculatory Society, Inc
https://www.readbyqxmd.com/read/29456635/clinical-effect-of-platelet-rich-fibrin-on-the-preservation-of-the-alveolar-ridge-following-tooth-extraction
#15
Yingdi Zhang, Zheng Ruan, Minhua Shen, Luanjun Tan, Weiqin Huang, Lei Wang, Yuanliang Huang
The aim of the present study was to evaluate the clinical efficacy of platelet-rich fibrin (PRF) in preserving the alveolar ridge following human tooth extraction. A total of 28 patients were divided into two groups: The experimental and control groups (n=14 each). Following tooth extraction, the experimental group was implanted with PRF membrane, whereas the control group was not. The gingival healing effect was assessed at 7 days, 1 and 3 months later. Cone-beam computed tomography was performed immediately and at 3 months following tooth extraction...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456397/periodontal-flap-surgery-along-with-vestibular-deepening-with-diode-laser-to-increase-attached-gingiva-in-lower-anterior-teeth-a-prospective-clinical-study
#16
Ashu Bhardwaj, Zeba Jafri, Nishat Sultan, Madhuri Sawai, Anika Daing
Background: Chronic periodontitis in lower anterior teeth results in rapidly progressive gingival recession (GR), loss of alveolar bone, decreased vestibular depth (VD) with consequential tooth mobility, and tooth loss. Treatment option for such cases in this esthetically important area of the oral cavity includes extraction followed by implants for which sufficient bone height and mucogingival complex are a prerequisite. Henceforth, an attempt was made to prolong the life of lower anterior teeth and postpone the need for implants by the treatment of chronic periodontitis with periodontal flap surgery followed by vestibular deepening in single surgical procedure...
January 2018: Journal of Natural Science, Biology, and Medicine
https://www.readbyqxmd.com/read/29456396/gingival-tissue-response-following-placement-of-a-light-cure-dressing-and-a-non-eugenol-dressing-after-periodontal-flap-procedure-a-comparative-clinical-study
#17
Ankita Kakar, Arundeep Kaur Lamba, Shruti Tandon, Farrukh Faraz, Abdul Ahad
Aim: The aim was to compare the gingival tissue response following placement of a light cure dressing (Barricaid® ) and a non-eugenol periodontal dressing (Coe-Pak™ ) after periodontal flap procedure. This was carried out by evaluating plaque deposition underneath both the dressings, healing response and the patient preference for each. Materials and Methods: A total of 12 patients with chronic generalized periodontitis requiring surgery in at least two different quadrants were enrolled for this split-mouth study...
January 2018: Journal of Natural Science, Biology, and Medicine
https://www.readbyqxmd.com/read/29456312/long-term-effect-of-lactobacillus-brevis-cd2-inersan-%C3%A2-and-or-doxycycline-in-aggressive-periodontitis
#18
Mishal Piyush Shah, Sheela Kumar Gujjari, Veerendrakumar Siddhpur Chandrasekhar
Context: The over usage and broad use of antibiotics resulted in the emergence of resistant microorganisms to the drugs which also disturb the indigenous microflora, which include the Lactobacillus in the oral cavity. Hence, it is preferred to avoid the use of antibiotics. Aims: The hypothesis tested in this study was that 14 days of treatment with Lactobacillus brevis CD2 lozenges, L. brevis CD2 with oral doxycycline, or doxycycline alone would have a beneficial effect on periodontal health after 5 months...
July 2017: Journal of Indian Society of Periodontology
https://www.readbyqxmd.com/read/29456309/idiopathic-peripheral-ossifying-fibroma-in-a-young-adolescent-girl-a-very-rare-clinical-presentation
#19
Shaik Hasanuddin, Yempati Malleshwar
The use of the term "fibroma" for any soft-tissue lesion or gingival lesion by general practitioners has led to inadequate diagnosis of quite a few rare entities. The occurrence of gingival lesions in adolescent female patients is a routine clinical finding. The site of occurrence of such a lesion is of prime significance, as the rarity of these lesions is determined by the site and size of the lesion. On the other hand, the dilemma over the diagnosis of peripheral ossifying fibroma (POF) versus peripheral odontogenic fibroma still continues...
July 2017: Journal of Indian Society of Periodontology
https://www.readbyqxmd.com/read/29456308/gingival-enlargement-unveiling-crohn-s-disease-a-report-of-a-rarefied-case
#20
Krishnamurthi Malathi, Arunachalam Muthukumaraswamy, MariaAntony PremBlaisie Rajula, Singh Arjun
This article highlights a peculiar case of Crohn's disease (CD) with the primary presenting symptom as localized gingival overgrowth in the anterior region of maxilla. The patient underwent surgical treatment with external bevel gingivectomy procedure. Follow-up after 6 months revealed no recurrence. A final diagnosis of CD was made, after following histopathological evaluation of the gingival biopsy and other special investigations. It is thus crucial to associate the localized granulomatous gingival overgrowth to systemic signs of CD...
July 2017: Journal of Indian Society of Periodontology
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