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https://www.readbyqxmd.com/read/27909893/osteogain%C3%A2-loaded-onto-an-absorbable-collagen-sponge-induces-attachment-and-osteoblast-differentiation-of-st2-cells-in-vitro
#1
Richard J Miron, Masako Fujioka-Kobayashi, Yufeng Zhang, Anton Sculean, Benjamin Pippenger, Yoshinori Shirakata, Umadevi Kandalam, Maria Hernandez
OBJECTIVES: Dimensional changes of the alveolar bone following tooth extraction are a major challenge in daily dental practice. To limit bone loss, a variety of biomaterials including bone grafts, barrier membranes, and growth factors have been utilized either alone or in combination therapies to increase the speed and quality of new bone formation. The aim of the present in vitro study was to investigate the regenerative potential of Osteogain®, a new liquid carrier system of enamel matrix derivative (EMD) in combination with an absorbable collagen sponge (ACS) specifically designed for extraction socket healing...
December 1, 2016: Clinical Oral Investigations
https://www.readbyqxmd.com/read/27907894/interventions-for-orthodontically-induced-white-spot-lesions-a-systematic-review-and-meta-analysis
#2
REVIEW
Damian Höchli, Monika Hersberger-Zurfluh, Spyridon N Papageorgiou, Theodore Eliades
BACKGROUND: Although orthodontic white spot lesions (WSLs) are one of the most often and most evident adverse effects of comprehensive fixed appliance treatment, the efficacy of interventions for WSLs has not yet been adequately assessed in an evidence-based manner. OBJECTIVE: Aim of this systematic review was to assess the therapeutic and adverse effects of interventions to treat post-orthodontic WSLs from randomized trials in human patients. SEARCH METHODS: An unrestricted electronic search of eight databases from inception to May 2016...
October 17, 2016: European Journal of Orthodontics
https://www.readbyqxmd.com/read/27905673/single-versus-multiple-visits-for-endodontic-treatment-of-permanent-teeth
#3
REVIEW
Maddalena Manfredi, Lara Figini, Massimo Gagliani, Giovanni Lodi
BACKGROUND: Root canal treatment (RoCT), or endodontic treatment, is a common procedure in dentistry. The main indications for RoCT are irreversible pulpitis and necrosis of the dental pulp caused by carious processes, tooth cracks or chips, or dental trauma. Successful RoCT is characterised by an absence of symptoms (i.e. pain) and clinical signs (i.e. swelling and sinus tract) in teeth without radiographic evidence of periodontal involvement (i.e. normal periodontal ligament). The success of RoCT depends on a number of variables related to the preoperative condition of the tooth, as well as the endodontic procedures...
December 1, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27904519/mind-conduct-disorders-in-children-with-poor-oral-hygiene-habits-and-attention-deficit-hyperactivity-disorder-in-children-with-excessive-tooth-decay
#4
Onur Burak Dursun, Fatih Şengül, İbrahim Selçuk Esin, Tevfik Demirci, Nermin Yücel, Mehmet Melih Ömezli
INTRODUCTION: Dental caries and poor oral hygiene are among the major childhood public health problems. Although dental research frequently refers to the link between these conditions and behavioural issues, little attention has been paid to understanding the reason for oral health problems from a psychiatric point of view. The aim of this study was to examine the relationship between poor oral health and hygiene and parental attitudes towards child rearing, parents' and children's oral hygiene behaviours, and childhood psychiatric disorders...
December 1, 2016: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/27901233/maxillary-dentoalveolar-assessment-following-retraction-of-maxillary-incisors-a-preliminary-study
#5
Tiago Maia Fernandes Oliveira, Lígia Vieira Claudino, Cláudia Trindade Mattos, Eduardo Franzotti Sant'Anna
Objective: The aim of this preliminary study was to assess changes in tooth length and alveolar thickness following retraction of maxillary incisors. Methods: A total of 11 patients presenting severe maxillary dentoalveolar protrusion revealed by initial (T1) cone-beam computed tomography (CBCT), and whose treatment plan included extraction of maxillary first premolars and retraction of maxillary incisors, were selected and submitted to CBCT examination one month after the end of incisors retraction (T2)...
September 2016: Dental Press Journal of Orthodontics
https://www.readbyqxmd.com/read/27898021/salivary-microbiome-diversity-in-caries-free-and-caries-affected-children
#6
Shan Jiang, Xiaoli Gao, Lijian Jin, Edward C M Lo
Dental caries (tooth decay) is an infectious disease. Its etiology is not fully understood from the microbiological perspective. This study characterizes the diversity of microbial flora in the saliva of children with and without dental caries. Children (3-4 years old) with caries (n = 20) and without caries (n = 20) were recruited. Unstimulated saliva (2 mL) was collected from each child and the total microbial genomic DNA was extracted. DNA amplicons of the V3-V4 hypervariable region of the bacterial 16S rRNA gene were generated and subjected to Illumina Miseq sequencing...
November 25, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27896287/enamel-ribbons-surface-nodules-and-octacalcium-phosphate-in-c57bl-6-amelx-mice-and-amelx-lyonization
#7
Yuanyuan Hu, Charles E Smith, Zhonghou Cai, Lorenza A-J Donnelly, Jie Yang, Jan C-C Hu, James P Simmer
BACKGROUND: Amelogenin is required for normal enamel formation and is the most abundant protein in developing enamel. METHODS: Amelx(+/+), Amelx(+/-) , and Amelx(-/-) molars and incisors from C57BL/6 mice were characterized using RT-PCR, Western blotting, dissecting and light microscopy, immunohistochemistry (IHC), transmission electron microscopy (TEM), scanning electron microscopy (SEM), backscattered SEM (bSEM), nanohardness testing, and X-ray diffraction. RESULTS: No amelogenin protein was detected by Western blot analyses of enamel extracts from Amelx(-/-) mice...
November 2016: Molecular Genetics & Genomic Medicine
https://www.readbyqxmd.com/read/27896212/effect-of-slow-forced-eruption-on-the-vertical-levels-of-the-interproximal-bone-and-papilla-and-the-width-of-the-alveolar-ridge
#8
Eun-Young Kwon, Ju-Youn Lee, Jeomil Choi
OBJECTIVE: Forced eruption has been proposed for the reconstruction of deficient bone and soft tissue. The aim of this study was to examine the changes in the alveolar ridge width and the vertical levels of the interproximal bone and papilla following forced eruption. METHODS: Patients whose hopeless maxillary anterior teeth were expected to undergo severe bone resorption and soft tissue recession upon extraction were recruited. In addition, patients whose maxillary anterior teeth required forced eruption for restoration due to tooth fracture or dental caries were included...
November 2016: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/27893154/withdrawn-occlusal-interventions-for-periodontitis-in-adults
#9
REVIEW
Paul Weston, Yuhaniz A Yaziz, David R Moles, Ian Needleman
BACKGROUND: Occlusal interventions may be used in adults with periodontitis. At present there is little consensus regarding the indications and effectiveness of occlusal interventions in periodontal patients. OBJECTIVES: To identify and analyse the evidence for the effect of occlusal interventions on adults who have periodontitis in relation to tooth loss, probing depths, clinical attachment level, adverse effects and patient-centred outcomes. SEARCH METHODS: The search was last conducted in April 2008...
November 28, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27892838/effect-of-bioactive-primers-on-bacterial-induced-secondary-caries-at-the-tooth-resin-interface
#10
G E Kim, A A Leme-Kraus, R Phansalkar, G Viana, C Wu, S-N Chen, G F Pauli, Akb Bedran-Russo
Secondary caries at the tooth-resin interface is the primary reason for replacement of resin composite restorations. The tooth-resin interface is formed by the interlocking of resin material with hydroxyapatite crystals in enamel and collagen mesh structure in dentin. Efforts to strengthen the tooth-resin interface have identified chemical agents with dentin collagen cross-linking potential and antimicrobial activities. The purpose of the present study was to assess protective effects of bioactive primer against secondary caries development around enamel and dentin margins of class V restorations, using an in vitro bacterial caries model...
November 28, 2016: Operative Dentistry
https://www.readbyqxmd.com/read/27892627/withdrawn-pulp-management-for-caries-in-adults-maintaining-pulp-vitality
#11
REVIEW
Hiroshi Miyashita, Helen V Worthington, Alison Qualtrough, Alphons Plasschaert
BACKGROUND: There is a range of treatment options for the management of the pulp in extensively decayed teeth. These include direct and indirect pulp capping, pulpotomy or pulpectomy. If the tooth is symptomatic or if there are periapical bone changes, then endodontic treatment is required. However, if the tooth is asymptomatic but the caries is extensive, there is no consensus as to the best method of management. In addition, there has been a recent move towards using alternative materials and methods such as the direct or indirect placement of bonding agents and mineral trioxide aggregate...
November 28, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27892626/withdrawn-root-canal-posts-for-the-restoration-of-root-filled-teeth
#12
REVIEW
Marc Bolla, Michele Muller-Bolla, Cybele Borg, Laurence Lupi-Pegurier, Olivier Laplanche, Eric Leforestier
BACKGROUND: The foundation for the reconstruction of endodontically-treated teeth can be provided by a metal or a non-metal post and core system but no guidelines exist for choosing one or the other in particular clinical cases. OBJECTIVES: To assess the effectiveness of different post and core systems for the restoration of endodontically-treated teeth. The primary objective of this review was to compare the clinical failure rates of the different types of posts...
November 28, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27891487/a-rare-case-of-pyogenic-granuloma-with-a-natal-tooth
#13
Nidhi Agarwal, Dipanshu Kumar, Alaka Vaish, Ashish Anand
Natal teeth are teeth present in the oral cavity at the time of birth. It is extremely rare to find natal teeth in association with pathological conditions of the oral cavity. Pyogenic granuloma is a type of inflammatory hyperplasia that appears as an over exuberant connective tissue response to a stimulus or injury, in the present case the injurious agent is the natal tooth. The parents of the eight day old male infant brought the child with a natal tooth associated with a soft tissue lesion growing from the gum pad...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27891469/comparison-of-anchorage-pattern-under-two-types-of-orthodontic-mini-implant-loading-during-retraction-in-type-a-anchorage-cases
#14
B Imran Khan, Gowri Sankar Singaraju, Prasad Mandava, G Vivek Reddy, Venkatesh Nettam, Venkat Naidu Bhavikati
INTRODUCTION: The orthodontic mini-screws are the mainstay of direct skeletal anchorage which requires minimal compliance and provides maximal anchorage control. However, the timing of initiation of orthodontic loading of these mini-screws is not clearly established in the available studies. AIM: The purpose of this study was to determine the reciprocal effects on mini-screw implant with immediate loading in comparison to that of delayed loading during retraction...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27891449/oral-health-status-and-treatment-needs-of-paniya-tribes-in-kerala
#15
Iris Valsan, Joe Joseph, Chandrashekar Janakiram, Shamaz Mohamed
INTRODUCTION: The tribal communities of Kerala have been largely left out of the gains of the Kerala model of development. AIM: The study was aimed to obtain baseline data of oral health status and treatment needs of Paniyas, in Kerala, India. MATERIALS AND METHODS: A descriptive population based survey of adult Paniya belonging to index age groups of 35-44 years and 65-74 years was conducted. The study population comprised of 420 subjects drawn from three talukas by stratified cluster sampling...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27891316/histologic-and-histomorphometric-evaluation-of-two-grafting-materials-cenobone-and-itb-mba-in-open-sinus-lift-surgery
#16
Babak Amoian, Maryam Seyedmajidi, Hamidreza Safipor, Sediqe Ebrahimipour
AIMS AND OBJECTIVES: Alveolar ridge reduction caused after tooth extraction can be minimized through ridge preservation and application of graft materials. The aim of this study was to compare the histologic and histomorphometric aspects of bone particulated allografts, Cenobone and ITB-MBA, in the reconstruction of vertical alveolar ridge after maxillary sinus augmentation. MATERIALS AND METHODS: This clinical trial was performed among 20 patients. The participants were randomly divided into two groups of 10 participants...
September 2016: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/27889606/re-interventions-after-restoring-teeth-mining-an-insurance-database
#17
Michael Raedel, Andrea Hartmann, Heinz-Werner Priess, Steffen Bohm, Stefanie Samietz, Ioannis Konstantinidis, Michael H Walter
OBJECTIVES: The aim of this study was to examine re-interventions after restorative treatment. METHODS: The data was collected from the digital database of a major German national health insurance company. Only permanent teeth were observed. Placing a permanent restoration other than a crown regardless of involved surfaces and material was the study intervention. The data did not allow for a differentiation between fillings and inlays that were estimated only a very small portion of the restorations...
November 23, 2016: Journal of Dentistry
https://www.readbyqxmd.com/read/27889430/classification-of-teeth-in-cone-beam-ct-using-deep-convolutional-neural-network
#18
Yuma Miki, Chisako Muramatsu, Tatsuro Hayashi, Xiangrong Zhou, Takeshi Hara, Akitoshi Katsumata, Hiroshi Fujita
Dental records play an important role in forensic identification. To this end, postmortem dental findings and teeth conditions are recorded in a dental chart and compared with those of antemortem records. However, most dentists are inexperienced at recording the dental chart for corpses, and it is a physically and mentally laborious task, especially in large scale disasters. Our goal is to automate the dental filing process by using dental x-ray images. In this study, we investigated the application of a deep convolutional neural network (DCNN) for classifying tooth types on dental cone-beam computed tomography (CT) images...
November 12, 2016: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/27886708/individual-tooth-segmentation-from-ct-images-scanned-with-contacts-of-maxillary-and-mandible-teeth
#19
Zeyang Xia, Yangzhou Gan, Lichao Chang, Jing Xiong, Qunfei Zhao
BACKGROUND AND OBJECTIVE: Tooth segmentation from computed tomography (CT) images is a fundamental step in generating the three-dimensional models of tooth for computer-aided orthodontic treatment. Individual tooth segmentation from CT images scanned with contacts of maxillary and mandible teeth is especially challenging, and no method has been reported previously. This study aimed to develop a method for individual tooth segmentation from these images. METHODS: Tooth contours of maxilla and mandible are first segmented from the volumetric CT images slice-by-slice...
January 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/27883212/a-retrospective-study-on-periodontal-disease-progression-in-private-practice
#20
Luigi Nibali, Chuanming Sun, Aliye Akcalı, Xsuan Meng, Yu-Kang Tu, Nikos Donos
BACKGROUND: Only a handful of studies have assessed tooth loss risk in chronic periodontitis patients following active therapy and factors associated with it. AIMS: The aim of this retrospective study was to assess tooth loss in a cohort of chronic periodontitis patients undergoing maintenance care in a UK private practice setting. MATERIALS AND METHODS: One hundred chronic periodontitis patients treated with active periodontal therapy (APT) were followed up in supportive periodontal therapy (SPT) for at least 5 years...
November 24, 2016: Journal of Clinical Periodontology
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