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"Dental" OR "Dentistry"

Heléne F Dorfling, Zarina Lockhat, Samantha Pretorius, Maryna Steyn, Anna C Oettlé
Although guidelines for facial approximations, including those for the eye, are in use in South Africa, limited data on African populations exist to confirm its validity. As precise placement of the eyes in facial approximations is of importance for facial recognition, this study tested established guidelines by measuring specific instrumental dimensions. Forty-nine cadavers from the Sefako Makgatho Health Sciences University and the University of Pretoria were dissected to determine the position of the canthi and the size and position of the eyeball in the orbit...
March 8, 2018: Forensic Science International
Katherine E Queck, Angela Chapman, Leslie J Herzog, Tamara Shell-Martin, Anthony Burgess-Cassler, George David McClure
Periodontal disease in dogs is highly prevalent but can only be accurately diagnosed by performing an anesthetized oral examination with periodontal probing and dental radiography. In this study, 114 dogs had a visual awake examination of the oral cavity and were administered an oral-fluid thiol-detection test prior to undergoing a a full-mouth anesthetized oral examination and digital dental radiographs. The results show the visual awake examination underestimated the presence and severity of active periodontal disease...
March 20, 2018: Journal of the American Animal Hospital Association
Agnieszka Wacławczyk, Lidia Postek-Stefańska, Daria Pietraszewska, Ewa Birkner, Jolanta Zalejska-Fiolka, Iwona Wysoczańska-Jankowicz
BACKGROUND: More than 35 substances released from composite fillings have been identified. Among these, basic monomers and the so-called co-monomers are most often reported. The substances released from polymer-based materials demonstrate allergenic, cytotoxic, genotoxic, mutagenic, embryotoxic, teratogenic, and estrogenic properties. OBJECTIVES: The aim of this study was to measure the amounts of triethylene glycol dimethacrylate (TEGDMA) and urethane dimethacrylate (UDMA) monomers released from composite dental fillings to citrate-phosphate buffer with the pH of 4, 6, 8 after 24 h and 6 months from the polymerization...
March 20, 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
Włodzimierz Więckiewicz, Marcin Kasiak, Natalia Grychowska, Joanna Smardz, Mariusz Pryliński
BACKGROUND: The reduction of dental and alveolar undercuts on plaster models is an important issue in the process of planning partial and complete prostheses. In recent years, new materials such as methacrylate resins that can be used to reduce undercuts have emerged. Their great advantage is high temperature insensitivity and relatively high ease of use. OBJECTIVES: The study aimed at determining the factors that affect the shear bond strength, and which material can be better used at the laboratory stage of preparing the plaster model to facilitate the denture bearing area and reduce the traumatizing impact of the prosthesis...
March 19, 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
Toshihiro Okamoto, Keika Hoshi, Kenji Fukada, Toshiyuki Kataoka, Akira Kumasaka, Nobuyuki Kaibuchi, Satoshi Fukuzawa, Tomohiro Ando
OBJECTIVE: To evaluate the background factors related to the occurrence of complications in the early stages after dental implant placement. MATERIALS AND METHODS: A total of 289 outpatients who received dental implants were retrospectively evaluated for the presence or absence of complications. Background factors, including age, sex, implant width, implant length, implant site, number of implants placed, Periotest values at the time of implant placement, presence/absence of systemic disease (particularly diabetes), and the use of anticoagulation therapy, were compared between patients with and without complications...
March 19, 2018: Implant Dentistry
Yoon-Sic Han
Sinus augmentation is a routine procedure performed in patients presenting with severe atrophy of the posterior maxillary alveolar ridge who seek dental implant surgery. Although this strategy is successful in large part, complications such as maxillary sinusitis, antral bleeding, resorption of graft material, infection, failure of implant installation, and oroantral fistula formation are documented on occasion. However, reports of postoperative maxillary cyst (POMC) arising after sinus augmentation are rare...
March 19, 2018: Implant Dentistry
Claudio Agostinelli, Agnese Agostinelli, Marco Berardini, Paolo Trisi
PURPOSE: The aim of the present study was to analyze the alveolar bone morphology of the upper first and second molars. This analysis aims to evaluate the morphology of a hypothetical postextractive site in the upper molar area to diagnose the possibility of immediate postextraction implant placement. MATERIALS AND METHODS: Cone-beam CT scans of 100 patients were examined. The measurements were made using a dedicated 3D software. Reference points were identified to allow clear and repeatable measurements...
March 19, 2018: Implant Dentistry
Soad Ali Yehia, Sally Adel Abdel Halim, Mary Yosry Aziz
OBJECTIVE: Formulation of injectable in situ forming implant (ISI) systems of lornoxicam for dental and post operative pain management to decrease dosing frequency and increase patient compliance. METHOD: Polymeric in situ implant solutions were prepared using different concentrations and inherent viscosities of Poly-DL-lactide (PDL) or DL-lactide/glycolide copolymer (PDLG) using 22X4 factorial experimental design. Non polymeric systems were prepared using different concentrations of lipids like cetyl alcohol and stearyl alcohol and also sucrose acetate isobutyrate (SAIB) using 32 factorial experimental design...
March 19, 2018: Current Drug Delivery
W V Giannobile, Y Chai, Y Chen, K E Healy, O Klein, N Lane, M T Longaker, J C Lotz, D J Mooney, C S Sfeir, M Urata, W R Wagner, B M Wu, D H Kohn
No abstract text is available yet for this article.
April 2018: Journal of Dental Research
Dirk Ziebolz, David Douglas, Donya Douglas, Jan Schmickler, Daniel Patschan, Gerhard A Müller, Rainer Haak, Jana Schmidt, Gerhard Schmalz, Susann Patschan
OBJECTIVE: Recent literature reveals worse periodontal health condition in ankylosing spondylitis (AS). However, roles of AS-related parameters, periodontal condition, and their association appear unclear. This cross-sectional study aimed at investigating dental and periodontal health as well as potentially periodontal pathogenic bacteria in patients with AS compared to healthy control subjects (HC). METHODS: Dental examination comprised dental findings (DMF-T), periodontal probing depth (PPD), bleeding on probing, clinical attachment loss (CAL), papillary bleeding index, and microbiological analysis based on polymerase chain reaction of selected potentially periodontal pathogenic bacteria...
March 20, 2018: Rheumatology International
(no author information available yet)
This section presents a brief review of articles on dental implants considered of special interest for the reader, in order to encourage the development of research, the interest for data analysis and the attention to scientific publications. Your comments are welcome. Please contact Dr Michele Nieri at
2018: European Journal of Oral Implantology
Yifat Manor, Adi A Garfunkel
PURPOSE: To describe a rare case of odontogenic brain abscess. MATERIALS AND METHODS: A healthy, 35-year-old male had two dental implants placed in a simultaneously augmented maxillary sinus. One implant failed and the patient developed a maxillary sinusitis that failed to improve following antibiotic treatment at home. The neglected sinus infection led to formation of a brain abscess. The patient was hospitalised only when he had pan sinusitis with neurological signs...
2018: European Journal of Oral Implantology
Ho-Sheng Chiang, Ren-Yeong Huang, Pei-Wei Weng, Lian-Ping Mau, Chi-Chun Su, Yi-Wen Cathy Tsai, Yu-Chiao Wu, Chi-Hsiang Chung, Yi-Shing Shieh, Wan-Chien Cheng
PURPOSE: To identify 100 top-cited articles published in periodontal journals and analyse the research trends by using citation analysis. MATERIALS AND METHODS: 100 top-cited articles published in periodontal journals were retrieved by searching the database of the ISI Web of Science and Journal Citation reports. For each article, the following principal bibliometric parameters: authorship, geographic and institute origin, manuscript type, study design, scope of study, and citation count of each time period were analysed from 1965 to 2015...
2018: European Journal of Oral Implantology
Marco Esposito, Daniele Cardaropoli, Luca Gobbato, Fabio Scutellà, Andrea Fabianelli, Saverio Mascellani, Gianluca Delli Ficorelli, Fabio Mazzocco, Luca Sbricoli, Anna Trullenque-Eriksson
PURPOSE: To evaluate whether there are aesthetic and clinical benefits to using a newly designed abutment (Curvomax), over a conventional control abutment (GingiHue). MATERIALS AND METHODS: A total of 49 patients, who required at least two implants, had two sites randomised according to a split-mouth design to receive one abutment of each type at seven different centres. The time of loading (immediate, early or delayed) and of prosthesis (provisional crowns of fixed prosthesis) was decided by the clinicians, but they had to restore both implants in a similar way...
2018: European Journal of Oral Implantology
Giorgio Gastaldi, Pietro Felice, Valeria Pistilli, Carlo Barausse, Daniela Rita Ippolito, Marco Esposito
PURPOSE: To evaluate whether 5.0 × 5.0 mm dental implants with a novel nanostructured calcium-incorporated titanium surface could be an alternative to implants of at least 10.0 mm long placed in bone augmented with bone substitutes in posterior atrophic jaws. MATERIALS AND METHODS: Forty patients with atrophic posterior (premolar and molar areas) mandibles with 5.0 mm to 7.0 mm bone height above the mandibular canal, and 40 patients with atrophic maxillas with 4...
2018: European Journal of Oral Implantology
Caroline Bolle, Pietro Felice, Carlo Barausse, Valeria Pistilli, Anna Trullenque-Eriksson, Marco Esposito
PURPOSE: To evaluate whether 4.0 mm short dental implants could be an alternative to augmentation with xenographs in the maxilla and placement of at least 10.0 mm long implants in posterior atrophic jaws. MATERIALS AND METHODS: A group of 40 patients with atrophic posterior (premolar and molar areas) mandibles with 5.0 mm to 6.0 mm bone height above the mandibular canal and 40 patients with atrophic maxillas having 4.0 mm to 5.0 mm below the maxillary sinus, were randomised according to a parallel group design to receive between one and three 4...
2018: European Journal of Oral Implantology
Marco Esposito, Rubén Davó, Carlos Marti-Pages, Ada Ferrer-Fuertes, Carlo Barausse, Roberto Pistilli, Daniela Rita Ippolito, Pietro Felice
PURPOSE: To compare the clinical outcome of immediately loaded cross-arch maxillary prostheses supported by zygomatic implants vs conventional implants placed in augmented bone. MATERIALS AND METHODS: A total of 71 edentulous patients with severely atrophic maxillas, who did not have sufficient bone volume to place dental implants or when it was possible to place only two implants in the front area (minimal diameter 3.5 mm and length of 8 mm) and less than 4.0 mm of bone height subantrally, were randomised according to a parallel group design...
2018: European Journal of Oral Implantology
Abdurrazaq Olanrewaju Taiwo, Ramat Oyebunmi Braimah, Adebayo Aremu Ibikunle, Mutiat Feyisetan Obileye, Nma Muhammed Jiya, Saddiku Malami Sahabi, Idris Kabiru Jaja
Background: Maxillofacial tumours in children and adolescents have been documented worldwide; however, few studies were reported from Africa, especially sub-Saharan Africa. In Nigeria, most of the studies emanated from the Southwest region. Aim: To present an audit of clinicopathologic features and treatment of orofacial tumours in children and adolescents in Sokoto, Northwest Nigeria. Patients and Methods: Clinicopathologic records of the Departments of Dental and Maxillofacial Surgery, Paediatrics and Histopathology, Usmanu Danfodiyo University Teaching Hospital, Sokoto, Nigeria, were reviewed for all the oral and maxillofacial tumours managed in children <19 years from January 2011 to December 2015...
July 2017: African Journal of Paediatric Surgery: AJPS
Satoru Morikawa, Takehito Ouchi, Seiji Asoda, Nobuyuki Horie, Kazuyuki Tsunoda, Hiromasa Kawana, Taneaki Nakagawa
Behçet's disease is a systemic disorder of unknown etiology. It involves multiple organ systems and is characterized by recurring episodes of oral ulcers as well as ocular, genital, and skin lesions. Oral ulcers can affect tooth brushing and impair proper oral hygiene. As a result, a dental biofilm accumulates, and the condition of the teeth and periodontal tissue deteriorates. The aim of this case report is to highlight the efficacy of periodontal treatment for patients with Behçet's disease. A 51-year-old man with Behçet's disease presented with generalized severe periodontitis...
January 1, 2018: Journal of International Medical Research
Enas A Elshenawy, Ahmed M Alam-Eldein, Fadel A Abd Elfatah
BACKGROUND: Angulated implants may result in inaccurate impressions, and the impression technique may affect the accuracy of the definitive cast. This study was designed to compare the dimensional accuracy of casts obtained from three impression techniques for three definitive lower casts with implants at different angulations. METHODS: Three Osseolink implants were placed in three reference models with different angles (parallel, 15° and 30°). Impressions of each model were made with three techniques (n = 10 per group): indirect, unsplinted direct, and acrylic resin-splinted direct technique...
March 20, 2018: International Journal of Implant Dentistry
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