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Kavitha Odathurai Marusamy, Saravanan Ramasamy, Othman Wali
Early loss of permanent teeth, congenitally missing lateral incisors or second premolars, extremely displaced or impacted canines, all result in a reduced upper dentition. That leads to the development of crossbite in the maxillary dentition. Partial denture prosthesis, dental implants, and space closure by fixed orthodontics are the various means of treating the edentulous spaces. Protraction of molars is time taking and challenging. Temporary anchorage device (TAD) helps to protract molars without anchorage loss...
May 2018: Journal of International Society of Preventive & Community Dentistry
Lixin Qiu, Huajie Yu
PURPOSE: The aim of this prospective study was to evaluate the efficacy and long-term outcomes of onlay grafting with bovine bone mineral block for reconstruction of horizontal alveolar ridge defects in anterior maxillae. MATERIALS AND METHODS: Fourteen patients requiring rehabilitation of edentulous anterior maxillae were enrolled to receive onlay grafting in two layers. A cortical block harvested from the lateral aspect of the mandibular ramus was split to acquire approximately 1-mm-thick bone laminae...
April 18, 2018: Journal of Cranio-maxillo-facial Surgery
Asma'a A Al-Ekrish, Sara A Alfadda, Wadea Ameen, Romed Hörmann, Wolfgang Puelacher, Gerlig Widmann
PURPOSE: To compare the surface of computer-aided design (CAD) models of the maxilla produced using ultra-low MDCT doses combined with filtered backprojection (FBP), adaptive statistical iterative reconstruction (ASIR) and model-based iterative reconstruction (MBIR) reconstruction techniques with that produced from a standard dose/FBP protocol. METHODS: A cadaveric completely edentulous maxilla was imaged using a standard dose protocol (CTDIvol: 29.4 mGy) and FBP, in addition to 5 low dose test protocols (LD1-5) (CTDIvol: 4...
June 16, 2018: International Journal of Computer Assisted Radiology and Surgery
Alessandro Moro, Paolo De Angelis, Sandro Pelo, Giulio Gasparini, Giuseppe D'Amato, Pier Carmine Passarelli, Gianmarco Saponaro
The purpose of this study was to evaluate the clinical and radiological outcomes of 2 piezosurgical split techniques performed in conjunction with the sinus lift.The present retrospective study included 20 patients with edentulism of the posterior maxilla who had undergone the sinus lift and alveolar ridge split treatment separately or the sinus lift combined with the monoblock alveolar ridge split. Differences between these 2 techniques were analyzed.All the surrounding areas successfully produced an adequate bone volume for the insertion of implants...
June 2018: Medicine (Baltimore)
Claudia Cristina Biguetti, Franco Cavalla, Elcia M Silveira, Angélica Cristina Fonseca, Andreia Espindola Vieira, Andre Petenuci Tabanez, Danieli C Rodrigues, Ana Paula Favaro Trombone, Gustavo Pompermaier Garlet
INTRODUCTION: Despite the successful clinical application of titanium (Ti) as a biomaterial, the exact cellular and molecular mechanisms responsible for Ti osseointegration remains unclear, especially because of the limited methodological tools available in this field. OBJECTIVE: In this study, we present a microscopic and molecular characterization of an oral implant osseointegration model using C57Bl/6 mice. MATERIAL AND METHODS: Forty-eight male wild-type mice received a Ti implant on the edentulous alveolar crest and the peri-implant sites were evaluated through microscopic (μCT, histological and birefringence) and molecular (RealTimePCRarray) analysis in different points in time after surgery (3, 7, 14 and 21 days)...
June 11, 2018: Journal of Applied Oral Science: Revista FOB
Weiwei Li, Qiufei Xie, Yong Wang, Yuchun Sun
The present study aimed to establish and evaluate a method for recording edentulous jaw relations digitally without occlusal bases, using a handheld scanner and specially designed headgear. The headgear maintained the mandibular position. Ten edentulous patients' upper (U) and lower edentulous jaw models (L) were prepared and scanned. A handheld scanner was used to capture the labial alveolar ridge mucosa relations in the upper and lower anterior arches directly (Dr). U and L were registered to Dr (test group)...
June 12, 2018: Scientific Reports
Moustafa Abdou ELsyad, Tarek Ahmed Soliman, Ahmed Khalifa Khalifa
PURPOSE: This study aimed to evaluate and compare the retention and stability of rigid telescopic and milled bar attachments for implant-supported maxillary overdentures. MATERIALS AND METHODS: An acrylic resin model of the edentulous maxilla without alveolar undercuts was fabricated, and four implants were inserted in the canine and second premolar areas of the model. Two experimental overdentures were constructed and connected to the model with either rigid telescopic (RTA) or milled bar (MBA) attachments...
June 12, 2018: International Journal of Oral & Maxillofacial Implants
Jaime Castro-Núñez, Jared M Shelton, Susan Snyder, Joseph Van Sickels
Severely atrophic mandible fractures are frequently a challenge to treat. Virtual surgical planning (VSP) uses three-dimensional computed tomographic (CT) scans that can be translated into stereolithographic models to fabricate surgical templates, facilitating intraoperative procedures. The purpose of this article is to describe the reconstruction of two cases of severe atrophic mandible fracture using VSP. Two elderly edentulous/partially dentate patients who presented with fractures of their mandibles and who underwent reconstruction using VSP were included...
June 2018: Craniomaxillofacial Trauma & Reconstruction
Alexander Mercouriadis-Howald, Noemie Rollier, Sayaka Tada, Gerald McKenna, Kensuke Igarashi, Martin Schimmel
PURPOSE: To analyze the available evidence in the English, German and Japanese literature on the survival and complications of natural teeth with cast copings used to retain overdentures (ROD). STUDY SELECTION: A systematic search strategy was conducted using MeSH terms and pre-defined criteria. Two groups of researchers searched Pubmed, CENTRAL, Embase (English, German), Ichushi-web (Japanese) as well as hand searching. Data were extracted independently by the two groups...
June 8, 2018: Journal of Prosthodontic Research
Dimitrios Michelogiannakis, Heleni Vastardis, Ioannis Melakopoulos, Chrysanthy Papathanasopoulou, Konstantinos I Tosios
The case of an 18-year-old woman with generalized short root anomaly (SRA) is presented, and the clinical management and challenges associated with this rare condition are discussed. The patient was referred for restoration of the edentulous maxillary left anterior region. Due to the SRA, the patient had previously received limited orthodontic treatment for the ectopic maxillary canines. The maxillary left canine failed during orthodontic traction, the left lateral incisor migrated in its region and had poor prognosis due to severe mobility...
June 8, 2018: Quintessence International
Kenneth D Rose, Rachel H Dunn, Kishor Kumar, Jonathan M G Perry, Kristen A Prufrock, Rajendra S Rana, Thierry Smith
Several new fossil specimens from the Cambay Shale Formation at Tadkeshwar Lignite Mine in Gujarat document the presence of two previously unknown early Eocene primate species from India. A new species of Asiadapis is named based on a jaw fragment preserving premolars similar in morphology to those of A. cambayensis but substantially larger. Also described is an exceptionally preserved edentulous dentary (designated cf. Asiadapis, unnamed sp. nov.) that is slightly larger and much more robust than previously known Cambay Shale primates...
June 7, 2018: Journal of Human Evolution
Sarina E C Pichardo, Frans Willem Ten Broek, J P Richard van Merkesteyn
PURPOSE: The treatment of pathologic fractures in stage III medication-related osteonecrosis of the jaw (MRONJ) remains challenging. The treatment in the literature is controversial, varying from extensive and aggressive surgery with resections and musculocutaneous free flap reconstruction to conservative treatment with only mouth rinses and/or antimicrobial treatment. The purpose of this study was to analyse the results of the treatment protocol in the Leiden University Medical Center in the Netherlands...
June 6, 2018: Journal of Cranio-maxillo-facial Surgery
Cassiane Wigner Brochier, Fernando Neves Hugo, Rafaela Soares Rech, Alexandre Baumgarten, Juliana Balbinot Hilgert
OBJECTIVE: The study evaluated the association of the sociodemographic, behavioural variables and the oral conditions with the presence of oropharyngeal dysphagia in long-term care older persons. BACKGROUND: Due to the influence of ageing, swallowing may be altered both in people with natural teeth and in those who have dentures or tooth loss. MATERIALS AND METHODS: This cross-sectional study evaluated 115 individuals older than 60 years, living in long-term care institutions of the State of Rio Grande do Sul in 2016...
June 7, 2018: Gerodontology
Caoimhin Mac Giolla Phadraig, June Nunn, Philip McCallion, Mary McCarron
AIM: This review reports the prevalence of edentulism among adults with intellectual disabilities (IDs) in the literature. METHODS: A systematic search strategy led to the screening of 1,089 titles and abstracts from PubMed and six additional articles. Inclusion criteria were applied. An estimate of the prevalence of edentulism was calculated. RESULTS: Nineteen studies (from 20 publications) met inclusion criteria: eighteen were cross-sectional surveys...
June 8, 2018: Special Care in Dentistry
H Dreyer, J Grischke, C Tiede, J Eberhard, A Schweitzer, S E Toikkanen, S Glöckner, G Krause, M Stiesch
OBJECTIVE: The purpose of this systematic review and meta-analysis was to assess the prevalence, incidence and risk factors of peri-implantitis in the current literature. MATERIAL AND METHODS: An electronic search was performed to identify publications from January 1980 until March 2016 on 9 databases. The prevalence and incidence of peri-implantitis were assessed in different subgroups of patients and the prevalences were adjusted for sample size (SSA) of studies...
June 7, 2018: Journal of Periodontal Research
Yuki Omori, Giovanna Iezzi, Vittoria Perrotti, Adriano Piattelli, Mauro Ferri, Yasushi Nakajima, Daniele Botticelli
OBJECTIVE: To histologically evaluate hard and soft tissues adaptation at screw-shaped devices installed at recipient sites in the distal segments of the alveolar edentulous ridge prepared with a buccal bone width of 1 or 2 mm. MATERIAL AND METHODS: Sixteen volunteers received 2 nonsubmerged titanium implants each; after 3 months, biopsies were obtained and processed for histology. The distances between implant shoulder (IS), top of the bony crest (C), coronal level of osseointegration (B), peri-implant mucosa (PM), and apical extension of the junctional epithelium (aJE) were measured...
June 6, 2018: Implant Dentistry
Julijana Nikolovska, Vesna Korunoska-Stevkovska, Aneta Mijoska, Lidija Popovska
BACKGROUND: Oral health care management among the elderly differs from the rest of the population, due to some specific physiological changes and general health status related to age. We know very little about the oral health in elderly in the Republic of Macedonia, because there are only a few articles published about dental health status and edentulism of this population. AIM: The study aimed to evaluate the prosthodontic status of older adults over 65 years in the Republic of Macedonia, about their socio-economic status and individual factors...
May 20, 2018: Open Access Macedonian Journal of Medical Sciences
Daniel R Reissmann, Norbert Enkling, Rim Moazzin, Marius Haueter, Andreas Worni, Martin Schimmel
OBJECTIVES: The aim of this study was to assess long-term changes in oral health-related quality of life (OHRQoL) over a period of 5 years in patients treated with narrow diameter implants (NDI) in the mandible for support of an overdenture. METHODS: In this prospective clinical study, a consecutive sample of 20 edentulous patients who had worn sufficient complete dentures for at least 12 weeks was provided with four immediately loaded one-piece titanium NDIs in the mandible...
May 28, 2018: Journal of Dentistry
Hedaiat Moradpoor, Fatemeh Salari, Behnaz Ebadian, Sahar Raissi, Mohammadjavad Shirani
BACKGROUND: The occlusion of choice is a controversial topic in conventional complete denture (CCD) treatment. OBJECTIVES: This study aimed to compare patient satisfaction with CCD with partially group-function occlusion (PGFO), fully bilateral balanced occlusion (FBBO), buccalized occlusion (BO), lingualized occlusion (LO) and the entire balanced group. METHODS: Participants received new CCDs with PGFO. All steps of patient enrolment, denture fabrication, assessments during the follow-up period, and data collection were done exactly the same as part 1 of this research project...
May 31, 2018: Journal of Oral Rehabilitation
Gokce Soganci, Duygu Cinar, Alper Caglar, Ayberk Yagiz
The aim of this study was to determine and compare the dimensional changes of polyether and vinyl polyether siloxane impression materials under immersion disinfection with two different disinfectants in three time periods. Impressions were obtained from an edentulous master model. Sodium hypochlorite (5.25%) and glutaraldehyde (2%) were used for disinfection and measurements were done 30 min later after making impression before disinfection, after required disinfection period (10 min), and after 24 h storage at room temperature...
May 31, 2018: Dental Materials Journal
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