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Willian Saranholi da Silva, Ana Lúcia Pompéia Fraga de Almeida, Maria Giulia Rezende Pucciarelli, Karin Hermana Neppelenbroek, Juliana Dreyer da Silva de Menezes, Renato Yassutaka Faria Yaedú, Thais Marchini Oliveira, Flavia M R N Cintra, Simone Soares
This retrospective observational study aimed to evaluate and identify the relapse rate after orthognathic surgery for maxillary advancement (Le Fort I maxillary osteotomy) in oral cleft patients through digitized cephalograms and 3D dental models, following 2 years. Lateral cephalograms and dental casts of 17 individuals, enrolled in Orthodontics Department in Hospital of Rehabilitation of Craniofacial Anomalies, were carried out. The digital cephalometric tracings were evaluated in: T1-before surgery, T2-immediate after surgery, T3-6-month to 1-year after surgery...
March 1, 2018: Odontology
Stefano Ardu, O Duc, E Di Bella, I Krejci, René Daher
In the original publication of the article, the author's name "Prof. René Daher" was inadvertently missed in the author group. This has been updated in this erratum. Also, the original article has been corrected.
February 22, 2018: Odontology
Xuefang Ding, Shoichi Suzuki, Momotoshi Shiga, Naoto Ohbayashi, Toru Kurabayashi, Keiji Moriyama
The aims of this study were to reveal the usefulness of a newly developed method for measuring tongue volume (TV) and oral cavity capacity (OCC) and to assess the relationship between them. The tongue was coated with a contrast agent, and the TV and OCC were determined using cone-beam computed tomography (CBCT). We enrolled 20 adults who were scheduled to undergo CBCT to evaluate the relationship of the third molar roots to the alveolar nerve before molar extraction. Each participant's tongue was coated with a contrast agent, and CBCT of the tongue and oral cavity was performed...
February 21, 2018: Odontology
Chieko Kudo, Wee Soo Shin, Nobuhiro Sasaki, Kazuo Harai, Kai Kato, Hiroaki Seino, Eiji Goke, Takemasa Fujino, Nobuichi Kuribayashi, Youko Onuki Pearce, Masato Taira, Ryoji Matsushima, Masato Minabe, Shogo Takashiba
Unfortunately, in Table-5 of the original article, the parameter in the 5th row was published incorrectly as "LDL-C (mg/dL)". The correct parameter should read as "HDL-C (mg/dL)".
February 20, 2018: Odontology
Enric Jané-Salas, Xavier Roselló-LLabrés, Enric Jané-Pallí, Siddharth Mishra, Raúl Ayuso-Montero, José López-López
The aim of this study was to compare the immediate postoperative period of participants rehabilitated with dental implants placed with a conventional technique or with a minimally invasive technique, without a mucoperiosteal flap elevation (flapless). Participants who needed implant placement were divided into two groups: one group was operated using a mucoperiosteal flap elevation (G_A), and the other with a flapless surgical technique (G_B). Objective clinical parameters including oral hygiene, mouth opening, inflammation (facial perimeter), surgical time and analgesic consumption, as well as subjective parameters of pain and degree of satisfaction with the procedure, were evaluated...
February 20, 2018: Odontology
Pamela Uribe, Lena Larsson, Anna Westerlund, Maria Ransjö
Animal studies suggest that the dental follicle (DF) plays a major role in tooth eruption. However, the role of the DF during tooth impaction and related root resorptions in adjacent teeth is not clear. The hypothesis for the present study is that expression of regulatory factors involved in the bone remodelling process necessary for tooth eruption may differ between dental follicles from teeth with different clinical situations. We have analysed the gene expression profiles in the DF obtained from impacted canines, with (N = 3) or without (N = 5) signs of root resorption, and from control teeth (normal erupting teeth, mesiodens) (N = 3)...
February 12, 2018: Odontology
Ryota Nomura, Kazuma Kokomoto, Takahiro Ohara, Satoshi Nakatani, Takashi Ooshima, Kazuhiko Nakano
Infective endocarditis (IE), a life-threatening condition predominantly occurring in patients with underlying heart disease, is mainly caused by bacteremia induced by invasive dental treatment. However, the amount of related information shared between cardiologists and dentists appears to be inadequate. In the present study, a survey regarding prevention of IE, composed of 13 major questions, 2 of which also allowed free comments, was sent to approximately 3000 dentists belonging to a prefectural dental association in Japan...
February 12, 2018: Odontology
Miki Sekiya, Munehiro Maeda, Ichiroh Katsuumi, Masaru Igarashi
The purpose of this study was to evaluate four instruments with different working motion for preparation of a C-shaped single canal wall using the same artificial plastic models reproduced from a human tooth. One tooth with root canal morphology C1 (the shape is an uninterrupted "C" with no separation or division) was selected among three-dimensional micro-computed tomography (micro-CT) imaging data of extracted human teeth. Imaging data were then converted into STL form data, and twenty-four C-shaped root canal model blocks were manufactured using this STL form data...
February 10, 2018: Odontology
Ammar Shujaa Addin, Tatsuya Akizuki, Takanori Matsuura, Shu Hoshi, Takahiro Ikawa, Kiichi Maruyama, Wataru Ono, Shunsuke Fukuba, Yuichi Izumi
The histological outcomes after nonsurgical periodontal treatment with enamel matrix derivatives (EMD) remain controversial. The present study evaluated periodontal wound healing after scaling and root planing (SRP) with subgingival application of EMD for treatment of experimental periodontitis. Periodontal breakdown was induced by applying silk ligatures around mandibular third and fourth premolars of six beagle dogs until radiographic bone loss progressed to approximately half of the root length. Probing pocket depth (PPD) and clinical attachment level (CAL) were proximally measured 2 weeks after ligature removal (baseline)...
February 10, 2018: Odontology
Takako Kawasaki, Seigo Ohba, Yuya Nakatani, Izumi Asahina
The guided bone regeneration (GBR) technique is often applied to provide sufficient bone for ideal implant placement. The objective of this study was to evaluate whether GC membrane®, which has already been used for guided tissue regeneration (GTR), can also be available for GBR. Twenty-three implants in 18 patients were evaluated in the study. All patients underwent implant placement with GBR using GC membrane®. Cone-beam computed tomography was performed at 13-30 weeks after surgery and the amount of augmented bone was assessed...
February 10, 2018: Odontology
Shintaro Sukegawa, Takahiro Kanno, Kenichi Matsumoto, Yuka Sukegawa-Takahashi, Masanori Masui, Yoshihiko Furuki
The purpose of this study was to retrospectively evaluate and examine the incidence of complications using poly-L-lactic acid and polyglycolic acid (PLLA/PGA) copolymer plate system in maxillofacial osteosynthesis. The retrospective study included 87 patients (50 men, 37 women), who needed maxillofacial surgery. We examined the proportion of complications and their factors from clinical data. A comparison was also made for plate decomposition using the molecular weight of the plate without plate exposure and complications...
February 7, 2018: Odontology
Gerd Göstemeyer, Anna Kohls, Sebastian Paris, Falk Schwendicke
Uncertainty exists as to how to best prevent root caries development. The aim of the present study was to compare sodium fluoride (NaF), chlorhexidine (CHX) and silver diamine fluoride (SDF) varnishes (V) and rinses (R) regarding their caries preventive effect in an artificial caries biofilm model. 140 bovine root dentin samples were cut, polished and embedded. Samples were allocated to seven treatment groups (n = 20/group): Four varnishes (applied once prior biofilm challenge): 38% SDF (SDFV), 35% CHX-varnish (CHXV), 22,600 ppm NaF-varnish (NaFV), placebo-varnish (PV); two rinses (applied once daily during biofilm challenge): 500 ppm NaF solution (NaFR), 0...
January 31, 2018: Odontology
Taha Özyürek, Mustafa Gündoğar, Gülşah Uslu, Koray Yılmaz, Simone Staffoli, Grande Nm, Gianluca Plotino, Antonella Polimeni
The aim of the present study was to compare the cyclic fatigue resistances of HyFlex EDM (HEDM), WaveOne Gold (WOG), Reciproc Blue (RB), and 2Shape (TS) NiTi systems having different metallurgic properties. HEDM, WOG, RB, and TS instruments were rotated in artificial canals which were made of stainless steel with an inner diameter of 1.5 mm, 45°, and 90° angles of curvatures and a radius of curvature of 5 mm until fracture occurred, and the time to fracture (TTF) was recorded in seconds. Also, number of cycles to fracture was calculated (NCF)...
January 30, 2018: Odontology
Derk H Jan Jager, Casper P Bots, Tim Forouzanfar, Henk S Brand
The purpose of this study was to explore the association of the clinical oral dryness score (CODS) with salivary flow rates, xerostomia inventory (XI), and bother index (BI). 147 patients were screened using CODS, which determined 10 features of oral dryness. Each feature contributed 1 point, and the total score varied from 0 to 10. Unstimulated (UWS), chewing-stimulated (CH-SWS) and acid-stimulated (A-SWS) whole salivary flows and the XI and BI were measured. Associations were explored with a bootstrapped Spearman rank correlation test (1000 × bootstrapping)...
January 22, 2018: Odontology
Dimitrios Dionysopoulos, Kosmas Tolidis, Dimitrios Tortopidis, Paris Gerasimou, Thrasyvoulos Sfeikos
This paper details a novel method to improve wear resistance of dental glass ionomer cement (GIC) restorations. The purpose of this in vitro study was to evaluate the effect of a calcium chloride (CaCl2) solution treatment on surface hardness, surface roughness, compressive strength, water sorption and solubility of three conventional glass ionomer cements (GICs). Additionally, the changes of the Ca composition and morphology of the surface of the tested GICs were also investigated. The experimental groups of the study were: Group 1 (control) specimens after mixing were left in the mold to set without any treatment for 5 min; Group 2 specimens were left in the mold to set for 5 min and then each specimen was immersed in 10 ml of 42...
January 22, 2018: Odontology
Chieko Kudo, Wee Soo Shin, Nobuhiro Sasaki, Kazuo Harai, Kai Kato, Hiroaki Seino, Eiji Goke, Takemasa Fujino, Nobuichi Kuribayashi, Youko Onuki Pearce, Masato Taira, Ryoji Matsushima, Masato Minabe, Shogo Takashiba
Atherosclerosis, a chronic inflammatory disease in arterial blood vessels, is one of the major causes of death in worldwide. Meanwhile, periodontal disease is a chronic inflammatory disease caused by infection with periodontal pathogens such as P. gingivalis (Porphyromonas gingivalis). Several studies have reported association between periodontal infection and atherosclerosis, but direct investigation about the effects of periodontal treatment on atherosclerosis has not been reported. We have planned Japanese local clinics to determine the relationship between periodontal disease and atherosclerosis under collaborative with medical and dental care...
January 12, 2018: Odontology
Stefano Ardu, O Duc, E Di Bella, I Krejci
The goals of the present study were to evaluate, in vitro, the staining of different composite resins submitted to different common beverages, and to compare the staining effect of each of these solutions. A total of 288 specimens were randomly divided into six groups and immersed for 4 weeks in five staining solutions represented by red wine, orange juice, coke, tea and coffee or in artificial saliva as a control group. When analyzed over a black background, mean ΔE00 values varied from 0.8 for Venus Diamond, Saremco Microhybrid and ELS in saliva and Estelite Posterior in coke to 37...
January 12, 2018: Odontology
Yoshiko Sugiki, Yoshiki Kobayashi, Miwa Uozu, Toshiya Endo
The purpose of this study was to clarify differences in skeletal morphologies between male and female orthodontic patients with and without agenesis of all four third molars. A total of 64 patients (32 males and 32 females) with agenesis of all four third molars without agenesis of other teeth were selected as the third molars agenesis group (group 1). In addition, 64 patients (32 males and 32 females) with all these teeth were selected as controls (group 2). Lateral cephalograms taken between the ages of 14 and 30 years were used to compare skeletal morphology between groups 1 and 2 and between sexes...
January 12, 2018: Odontology
Kyoko Senoo, Keisuke Yamashiro, Tadashi Yamamoto, Fumio Myokai, Mari Kawamura, Shogo Takashiba
In the original publication of the article, one of the author name was published incorrectly as "Keisuke Yamashairo" and correct name should be "Keisuke Yamashiro".
December 22, 2017: Odontology
Makoto Tsuchimochi
No abstract text is available yet for this article.
December 19, 2017: Odontology
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