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dental issues

Robert A Convissar
BACKGROUND: Lasers are promoted as viable adjunctive treatment methods for nonsurgical periodontal pocket reduction; however, the literature supporting this use is lacking. Multiple meta-analyses found no benefit to laser use for this procedure. The American Dental Association issued clinical practice guidelines about laser use in periodontal pockets, concluding that diode, neodymium:yttrium-aluminum-garnet, and erbium lasers have no benefit as adjunctive therapies to scaling and root planing...
March 13, 2018: Journal of the American Dental Association
Vo Truong Nhu Ngoc, Trinh Do Van Nga, Dinh-Toi Chu, Le Quynh Anh
Hemophilia-a bleeding disorder due to the lack of clotting factors-is mostly induced by genetic factors. Its most common type is hemophilia A. Hemorrhage in hemophilia A may occur in several different sites of the body, including those inside the oral cavity, such as mucous membrane and gum. However, only a few studies and case reports on dental issues of hemophilia A patients have been conducted. In clinical dentistry, treatment procedures are invasive, possibly leading to more severe bleeding, especially in hemophilia A cases...
March 14, 2018: Special Care in Dentistry
Klaus Bsl Batista, Badri Thiruvenkatachari, Jayne E Harrison, Kevin D O'Brien
BACKGROUND: Prominent upper front teeth are a common problem affecting about a quarter of 12-year-old children in the UK. The condition develops when permanent teeth erupt. These teeth are more likely to be injured and their appearance can cause significant distress. Children are often referred to an orthodontist for treatment with dental braces to reduce the prominence of their teeth. If a child is referred at a young age, the orthodontist is faced with the dilemma of whether to treat the patient early or to wait and provide treatment in adolescence...
March 13, 2018: Cochrane Database of Systematic Reviews
Douglas A Conrad, Peter Milgrom, R Mike Shirtcliff, Howard L Bailit, Sharity Ludwig, Jeanne Dysert, Gary Allen, Joana Cunha-Cruz
BACKGROUND: Dentists increasingly are employed in large group practices that use financial incentive systems to influence provider performance. The authors describe the design and initial implementation of a pay-for-performance (P4P) incentive program for a large capitated Oregon group dental practice that cares primarily for patients receiving Medicaid. The authors do not assess the effectiveness of the incentive system on provider and staff member performance. METHODS: The data come from use of care files and integrated electronic health records, provider and staff member surveys, and interviews and community surveys from 6 counties...
March 8, 2018: Journal of the American Dental Association
Y Klazen, F Van der Cruyssen, M Vranckx, M Van Vlierberghe, C Politis, T Renton, R Jacobs
With the growing demand for dental work, trigeminal nerve injuries are increasingly common. This retrospective cohort study examined 53 cases of iatrogenic trigeminal nerve injury seen at the Department of Oral and Maxillofacial Surgery, University Hospitals of Leuven between 2013 and 2014 (0.6% among 8845 new patient visits). Patient records were screened for post-traumatic trigeminal nerve neuropathy caused by nerve injury incurred during implant surgery, endodontic treatment, local anaesthesia, tooth extraction, or specifically third molar removal...
March 6, 2018: International Journal of Oral and Maxillofacial Surgery
Colin B Wiebe, Bonnie J Hoath, Gethin Owen, Jiarui Bi, Georgios Giannelis, Hannu S Larjava
Traditionally, periodontal hand instruments are honed or sharpened during patient care as they dull easily during contact with enamel, calculus and cementum. This approach is taught in dental and hygiene schools around the world and remains the standard of care. Recently, some professional organizations have questioned whether this practice should be abandoned because of safety issues. Questions have been raised whether sharpening stones can be properly sterilized and whether the sharpening of contaminated instruments poses a health hazard for the provider...
September 2017: Journal—Canadian Dental Association, Journal de L'Association Dentaire Canadienne
Zhihui Feng, Qimeng Li, Runsha Meng, Baicheng Yi, Qiong Xu
Dental pulp inflammation is a widespread public health problem caused by oral bacterial infections and can progress to pulp necrosis and periapical diseases. N6-methyladenosine (m6A) is a prevalent epitranscriptomic modification in mRNA. Previous studies have demonstrated that m6A methylation plays important roles in cell differentiation, embryonic development and stress responses. However, whether m6A modification affects dental pulp inflammation remains unknown. To address this issue, we investigated the expression of m6A and N6-adenosine methyltransferase (METTL3, METTL14) as well as demethylases (FTO, ALKBH5) and found that the levels of m6A and METTL3 were up-regulated in human dental pulp cells (HDPCs) stimulated by lipopolysaccharide (LPS)...
March 4, 2018: Journal of Cellular and Molecular Medicine
Sumanth Kumbargere Nagraj, Eachempati Prashanti, Himanshi Aggarwal, Ashok Lingappa, Murugan S Muthu, Salian Kiran Kumar Krishanappa, Haszelini Hassan
BACKGROUND: Post-extraction bleeding (PEB) is a recognised, frequently encountered complication in dental practice, which is defined as bleeding that continues beyond 8 to 12 hours after dental extraction. The incidence of post-extraction bleeding varies from 0% to 26%. If post-extraction bleeding is not managed, complications can range from soft tissue haematomas to severe blood loss. Local causes of bleeding include soft tissue and bone bleeding. Systemic causes include platelet problems, coagulation disorders or excessive fibrinolysis, and inherited or acquired problems (medication induced)...
March 4, 2018: Cochrane Database of Systematic Reviews
Daniela Costa-Silva, Juliana A Côrtes, Rober F Bachinski, Carolina N Spiegel, Gutemberg G Alves
Although the discipline of cell biology (CB) is part of the curricula of predoctoral dental schools, students often fail to recognize its practical relevance. The aim of this study was to assess the effectiveness of a practical-theoretical project-based course in closing the gaps among CB, scientific research, and dentistry for dental students. A project-based learning course was developed with nine sequential lessons to evaluate 108 undergraduate dental students enrolled in CB classes of a Brazilian school of dentistry during 2013-16...
March 2018: Journal of Dental Education
Lee-Yee Chong, Jan E Clarkson, Lorna Dobbyn-Ross, Smriti Bhakta
BACKGROUND: Slow-release fluoride devices have been investigated as a potentially cost-effective method of reducing dental caries in people with high risk of disease. This is the second update of the Cochrane Review first published in 2006 and previously updated in 2014. OBJECTIVES: To evaluate the effectiveness and safety of different types of slow-release fluoride devices on preventing, arresting, or reversing the progression of carious lesions on all surface types of primary (deciduous) and permanent teeth...
March 1, 2018: Cochrane Database of Systematic Reviews
Amit Arora, Narendar Manohar, Dina Bedros, Anh Phong David Hua, Steven Yu Hsiang You, Victoria Blight, Shilpi Ajwani, John Eastwood, Sameer Bhole
Background: Dental decay in early childhood can be prevented by a model based on shared care utilising members of primary care team such as Child and Family Health Nurses (CFHNs) in health promotion and early intervention. The aims of this study were to identify the facilitators and barriers faced by CFHNs in recruiting research participants from disadvantaged backgrounds to a birth cohort study in South Western Sydney, Australia. Methods: Child and Family Health Nurses recruited mothers-infants dyads ( n  = 1036) at the first post-natal home visit as part of Healthy Smiles Healthy Kids Study, an ongoing birth cohort study in South Western Sydney...
2018: BMC Nursing
Aline Macarevich, Luciane Maria Pilotto, Juliana Balbinot Hilgert, Roger Keller Celeste
This article aimed to describe the levels of user satisfaction in different age groups and to study the association between user satisfaction and different types of dental services in a representative sample of Brazilians. This study is based on the Brazilian Oral Health Survey, which evaluated the dental health of adolescents, adults and older adults in 177 Brazilian cities. The outcome variable was user satisfaction, related to the last dental visit, evaluated in a five-level Likert-type scale. The main exposure variable was the type of dental service (public service, private service, health plan or insurance)...
February 19, 2018: Cadernos de Saúde Pública
Takuya Kobayashi, Masafumi Kubota, Toshiyuki Takahashi, Ayaka Nakasato, Taro Nomura, Junichi Furuya, Hisatomo Kondo
PURPOSE: One of the most prominent issues in a super-aging society is the rapid increase in dementia patients. Cross-sectional studies in dentistry have indicated that patients with dementia have worse oral health compared to healthy people. The purpose of this study was to clarify the influence of tooth loss on brain structure by comparing the volumes of gray matter (GM) and white matter (WM) between edentulous and dentulous subjects. METHODS: Subjects were recruited from the Denture Clinic at Iwate Medical University Hospital Dental Center...
February 20, 2018: Journal of Prosthodontic Research
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
Jenny C Harris
No abstract text is available yet for this article.
February 22, 2018: Archives of Disease in Childhood
Otto Steinmassl, Herbert Dumfahrt, Ingrid Grunert, Patricia-Anca Steinmassl
OBJECTIVES: Resin polymerisation shrinkage reduces the congruence of the denture base with denture-bearing tissues and thereby decreases the retention of conventionally fabricated dentures. CAD/CAM denture manufacturing is a subtractive process, and polymerisation shrinkage is not an issue anymore. Therefore, CAD/CAM dentures are assumed to show a higher denture base congruence than conventionally fabricated dentures. It has been the aim of this study to test this hypothesis. MATERIALS AND METHODS: CAD/CAM dentures provided by four different manufacturers (AvaDent, Merz Dental, Whole You, Wieland/Ivoclar) were generated from ten different master casts...
February 22, 2018: Clinical Oral Investigations
R Orjonikidze, Z Orjonikidze, I Shirokov, S Arutyunov
Temporary prosthesis transformed into a prosthetic prototypes and manufactured by CAD/CAM technologies (computer copy milling) are used to specify the final form of future permanent restoration and to correct occlusal relationships, vertical size of non-removable dentures, and their occlusal surfaces. A progressive loading on bone tissue in the implantation area and soft tissues formation, have been assessed. In this regard, the choice and placement of temporary mini-implants, as the supports for non-removable denture prototypes for the period of osseointegration of two-stage intraosseous dental implants, are the issues of great importance...
January 2018: Georgian Medical News
Irena Mladenova, Marilena Durazzo
The exact modes and routes of transmission of Helicobacter pylori (H. pylori) infection remain unproven. Studies showed that H. pylori bacteria can spread directly from one person to the other, or indirectly from an infected person to the environment. Presently, interpersonal pathways are more probable than environmental exposure routes. Person to person transmission can be mainly fecal-oral or oral-oral. In the last 30 years many authors have investigated the main potential sources of H. pylori infections, vectors and risk factors for both fecal-oral and oral-oral routes of transmission, eating of contaminated food, drinking of contaminated water, and exposure to animals...
February 19, 2018: Minerva Gastroenterologica e Dietologica
Gustavo G Nascimento, Vibeke Baelum, Gunnar Dahlen, Rodrigo Lopez
OBJECTIVES: We aimed to investigate the association between dental caries and periodontitis among adolescents participating in a case-control study of periodontitis. In addition, we compared 2 analytical approaches to estimate the association: conventional regression and structural equation modelling (SEM). METHODS: Along with periodontal recordings, data were obtained on caries, just as subgingival plaque samples were collected. Sociodemographic information was collected with a questionnaire...
February 15, 2018: Community Dentistry and Oral Epidemiology
Suganthan Veerachamy, Pearlin Hameed, Dwaipayan Sen, Sitaram Dash, Geetha Manivasagam
Ceramic oxides such as alumina and zirconia are used to fabricate dental and orthopedic implants. However, their usage is limited as they fail due to low fracture toughness. To overcome this issue, ceramic coatings on metallic implants is attempted to have a combined effect of ceramics and metallic materials. This paper reports on the microstructure, phase analysis, mechanical properties, osseointegration and antibacterial activity of three different wear-resistant coatings developed on Ti-6Al-4V alloy which is used widely as orthopedic and dental implants...
July 1, 2018: Journal of Nanoscience and Nanotechnology
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