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Gianmario Schierano, Tomaso Vercellotti, Fabio Modica, Giorgia Corrias, Crescenzo Russo, Davide Cavagnetto, Domenico Baldi, Federica Romano, Stefano Carosa
This retrospective study evaluated implant survival rate (SR) and marginal bone loss around dental implants placed with ultrasonic implant site preparation. A total of 156 implants were placed in 28 totally and partially edentulous patients. Bone loss was measured on intraoral paralleling digital radiographs taken at the impression phase and after 4 years of loading. As 3 implants (1.92%) failed at the second surgery stage, the SR was 98.08% after 4 years. The mean marginal bone loss was 0.52 ± 0.33 mm (0...
April 20, 2018: International Journal of Periodontics & Restorative Dentistry
Seif Magdy Reda, Joachim Krois, Sophie Franziska Reda, William Murray Thomson, Falk Schwendicke
OBJECTIVES: Regular and/or preventive dental services utilization is an indicator of healthcare access and associated with improved health outcomes. We assessed the proportion of individuals regularly/preventively utilizing dental services, and how this was affected by demographic, health-related and social factors. SOURCES: Three electronic databases (Medline, Embase, Central) were searched (2005-2017). STUDY SELECTION: We included observational studies investigating the association between preventive/regular dental service utilization and age, oral and general health, edentulism, family structure and health literacy...
April 16, 2018: Journal of Dentistry
Mahtab Tabesh, Marzieh Alikhasi, Hakimeh Siadat
Background: Precision of implant impressions is a prerequisite for long-term success of implant supported prostheses. Impression materials and impression techniques are two important factors that impression precision relies on. Material and Methods: A model of edentulous maxilla containing four implants inserted by All-on-4 guide was constructed. Seventy two impressions using polyether (PE), polyvinyl siloxane (PVS), and vinyl siloxanether (VSE) materials with direct and indirect techniques were made (n=12)...
February 2018: Journal of Clinical and Experimental Dentistry
Ayumi Kuroki, Noriko Sugita, Shigeki Komatsu, Akio Yokoseki, Akihiro Yoshihara, Tetsuo Kobayashi, Kazutoshi Nakamura, Takeshi Momotsu, Naoto Endo, Kenji Sato, Ichiei Narita, Hiromasa Yoshie
Background: The interaction of periodontopathic bacteria with host immune system induces the production of inflammatory mediators which leads to alveolar bone loss (ABL), the essential feature of periodontitis. Concurrently, periodontal diseases cause the elevation of blood cytokine levels, the alteration of gut microbiota and the dissemination of enterobacteria to the liver. Owing to these mechanisms, periodontal disease might be a risk for liver dysfunction. Several epidemiological studies have reported associations between periodontal diseases and liver dysfunction, although the association between ABL and liver dysfunction has not been investigated...
February 2018: Journal of Clinical and Experimental Dentistry
Saverio Cosola, Simone Marconcini, Enrica Giammarinaro, Gian L Poli, Ugo Covani, Antonio Barone
BACKGROUND: Patient-centred outcomes are being given great attention by the dental scientific community. The Oral Health Impact Profile -14 questionnaire (OHIP-14) has been introduced to address patients' success criteria when describing the impact of oral rehabilitations on quality of life (OHrQoL). METHODS: Thirty-five patients wearing a full-arch implant-prosthesis being in place between 4 and 6 years before this analysis were considered eligible and then enrolled in the present retrospective study...
April 16, 2018: Minerva Stomatologica
Oscar H Del Brutto, Robertino M Mera, Danielle Gladstone, María Sarmiento-Bobadilla, Kristen Cagino, Mauricio Zambrano, Aldo F Costa, Mark J Sedler
OBJECTIVE: The Evans Index (EI) is used for recognition of individuals with normal pressure hydrocephalus. However, recent studies suggest that the EI is not a reliable marker of this condition. Rather, the EI may be inversely correlated with cognitive performance, but information on this correlation is lacking. We aimed to assess the relationship between the EI and cognitive performance in community-dwelling older adults. PATIENTS AND METHODS: The study included 314 non-disabled, stroke-free, individuals aged ≥60 years enrolled in the Atahualpa Project undergoing brain MRI and MoCA testing...
March 30, 2018: Clinical Neurology and Neurosurgery
Daniel Amaral Alves Marlière, Maurício Silva Demétrio, Leonardo Santos Picinini, Rodrigo Guerra De Oliveira, Henrique Duque De Miranda Chaves Netto
Assess clinical studies regarding accuracy between virtual planning of computer-guided surgery and actual outcomes of dental implant placements in total edentulous alveolar ridges. A PubMed search was performed to identify only clinical studies published between 2011 and 2016, searching the following combinations of keywords: "Accuracy AND Computer-Assisted Surgery AND Dental Implants." Study designs were identified using the terms: Case Reports, Clinical study, Randomized Controlled Trial, Systematic Reviews, Meta-Analysis, humans...
January 2018: European Journal of Dentistry
N B Agochukwu, J Maus, D Wang, D Stewart
Various methods have been described to establish maxillomandibular fixation in the treatment of fractures of atrophic, edentulous mandibles. We used the Synthes MatrixWAVE™ system (DePuy Synthes) in combination with dentures in two patients with fractured, edentulous, atrophic mandibles. Fixation was maintained for fractures that were not amenable to, or did not require, open reduction and internal fixation, and the mandibles were both well-healed and had good function at the end of treatment.
April 11, 2018: British Journal of Oral & Maxillofacial Surgery
Shino Suma, Mariko Naito, Kenji Wakai, Toru Naito, Masaaki Kojima, Osami Umemura, Makoto Yokota, Nobuhiro Hanada, Takashi Kawamura
Although associations between oral health and pneumonia have been reported in previous studies, particularly in the institutionalized elderly, few prospective studies have investigated the association between oral condition and pneumonia among community-dwelling people and whether the findings among inpatients or patients in nursing homes are applicable to the general population is still unclear. The oral bacteria propagated in the periodontal regions may drop into the lung and increase the risk of pneumonia...
2018: PloS One
Brian J Goodacre, Charles J Goodacre, Nadim Z Baba
Intraoral scanning was used to capture the soft tissue surfaces of both maxillary and mandibular edentulous ridges and the denture borders. Additionally, an intraoral scanner was used to digitize existing dentures with their tooth positions and base forms and a centric relation record obtained with a Gothic arch-tracing device. These scans provided all the required records for fabrication of computer-aided design/computer-assisted manufacturing of complete dentures.
April 6, 2018: International Journal of Prosthodontics
Aleksandra Nitecka-Buchta, Thomas Proba, Paulina Proba, Kamil Stefański, Stefan Baron
The study compares subjective experiences of patients, wearing complete dentures. Two different methods of determining a centric relation were performed: the traditional method using wax occlusal rims and the Gerber method, based on gothic arch tracings. The success rate of establishing a centric relation in both methods was evaluated (rentgenodiagnostics). The influence of the method used to obtain the centric relation on patients' stomatognathic system (condyle centralization, pain) was also evaluated. Better results were achieved in gothic arch tracing method...
2018: Pain Research & Management: the Journal of the Canadian Pain Society
M Liu, P Kurimoto, J Zhang, Q T Niu, M Stolina, P C Dechow, J Q Feng, J Hesterman, M D Silva, M S Ominsky, W G Richards, H Ke, P J Kostenuik
Alveolar bone is a mechanosensitive tissue that provides structural support for teeth. Alveolar bone loss is common with aging, menopause, tooth loss, and periodontitis and can lead to additional tooth loss, reduced denture fixation, and challenges in placing dental implants. The current studies suggest that sclerostin and DKK1, which are established osteocyte-derived inhibitors of bone formation, contribute to alveolar bone loss associated with estrogen ablation and edentulism in rats. Estrogen-deficient ovariectomized rats showed significant mandibular bone loss that was reversed by systemic administration of sclerostin antibody (SAB) alone and in combination with DKK1 antibody (DAB)...
April 1, 2018: Journal of Dental Research
Srinivasan Jayaraman, Balendra P Singh, Balasubramanian Ramanathan, Murukan Pazhaniappan Pillai, Laura MacDonald, Richard Kirubakaran
BACKGROUND: Endentulism is relatively common and is often treated with the provision of complete or partial removable dentures. Clinicians make final impressions of complete dentures (CD) and removable partial dentures (RPD) using different techniques and materials. Applying the correct impression technique and material, based on an individual's oral condition, improves the quality of the prosthesis, which may improve quality of life. OBJECTIVES: To assess the effects of different final-impression techniques and materials used to make complete dentures, for retention, stability, comfort, and quality of life in completely edentulous people...
April 4, 2018: Cochrane Database of Systematic Reviews
M Raes, R D'hondt, W Teughels, W Coucke, M Quirynen
AIM: To compare the clinical and microbiological performance of minimally and moderately rough implants in patients with a history of severe periodontitis. MATERIAL AND METHODS: Forty-eight minimally (Tur) and moderately (TiU) rough implants were placed in eighteen patients according to a split-mouth protocol. Marginal bone loss, probing pocket depth (PPD), clinical attachment level (CAL), and bleeding on probing (BoP) were recorded, and microbial samples were analysed by means of quantitative PCR...
April 3, 2018: Journal of Clinical Periodontology
Josef Schweiger, Juliane Stumbaum, Daniel Edelhoff, Jan-Frederik Güth
The rehabilitation of the edentulous patient with complete dentures is still an essential aspect of dental prosthetics. Modern digital manufacturing technologies have made it possible to produce even complete dentures digitally. This has several advantages, especially regarding the properties of the denture material. In addition, the use of digital technology facilitates new treatment concepts and procedures that reduce the number of appointments needed at the dental office.
2018: International Journal of Computerized Dentistry
Edvard Janev, Nadica Janeva, Marija Peeva-Petreska, Kristina Mitic
BACKGROUND: After tooth loss, however, severely atrophic residual alveolar ridges are fairly common, especially in patients who have been edentulous for a long period. Anterior area of the mandible is areas where clinicians have greater anatomical limitations. Reduced alveolar bone height very often represents a contraindication to implant therapy, unless a procedure such as a ridge augmentation is performed. CASE REPORT: This study aims to present two separate cases in highly selected edentulous anterior mandibular sites, where one stage, mini implants were used to support total prostheses...
March 15, 2018: Open Access Macedonian Journal of Medical Sciences
Rodrigo A Guzmán-Venegas, Felipe H Palma, Jorge L Biotti P, Francisco J Berral de la Rosa
OBJECTIVE: To compare the frequency or spectral components between different regions of the superficial masseter in young natural dentate and total edentulous older adults rehabilitated with removable prostheses and fixed-implant support. A secondary objective was to compare these components between the three groups. DESIGN: 21 young natural dentate and 28 edentulous (14 with removable prostheses and 14 with fixed-implant support) were assessed. High-density surface electromyography (sEMG) was recorded in four portions of the superficial masseter during submaximal isometric bites...
March 26, 2018: Archives of Oral Biology
Faris Younes, Jan Cosyn, Thomas De Bruyckere, Roberto Cleymaet, Eline Bouckaert, Aryan Eghbali
AIM: To compare the accuracy of free-handed (FH), pilot-drill guided (PG) and fully-guided (FG) implant surgery. MATERIALS AND METHODS: Partially edentulous patients in need of ≥2 implants in the posterior maxilla were randomly allocated to one of the following treatment groups: FH, PG, FG. Ideal implant positions were determined in designated software following the fusion of bony information (CBCT data in DICOM format) to the prosthetic wax-up (optical scan data in STL format)...
April 2, 2018: Journal of Clinical Periodontology
Zuila Albuquerque Taboza, Katia Linhares Costa, Virginia Régia Silveira, Flavia Aparecida Furlaneto, Renan Montenegro, Stefanie Russell, Ananda Dasanayake, Rodrigo O Rego
Objectives: To compare the glycemic control in non-smoking patients with type 2 diabetes according to their periodontal and dental status. Research design and methods: This cross-sectional study investigated patients previously diagnosed with type 2 diabetes and under antidiabetic medication. Clinical data and fasting blood glucose (FBG) levels were collected from medical and dental records. Patients were divided into three groups according to dental and periodontal diagnosis: no or mild periodontitis (NO/MILD, n=96), moderate or severe periodontitis (MOD/SEV, n=74) and edentulous (n=141)...
2018: BMJ Open Diabetes Research & Care
V Sairam, Gareema Raju Potturi, B Praveen, G Vikas
Introduction: With progressive development in the growth and function of the jaws, changes are observed in size as well as shape of the mandible, which vary on the basis of age, gender, and dental status. The objective of this study was to evaluate and assess the morphological changes of the mandible, with varying age, gender, and dental status, using panoramic radiographs. Materials and Methods: A retrospective study was conducted using digital panoramic radiographs taken by Kodak 8000c digital panoramic and cephalometric system on 150 patients, comprising fifty edentulous individuals (above 50 years of age), fifty old dentate individuals (above 50 years of age), and fifty young dentate individuals (below 25 years of age)...
January 2018: Contemporary Clinical Dentistry
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