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https://www.readbyqxmd.com/read/28435381/complications-in-implant-dentistry
#1
REVIEW
Ayesha Hanif, Saima Qureshi, Zeeshan Sheikh, Haroon Rashid
After tooth loss, an individual may seek tooth replacement so that his/her function and esthetics could be restored. Clinical prosthodontics, during the past decade, has significantly improved and developed according to the advancements in the science and patient's demands and needs. Conventional options in prosthodontics for substituting a missing single tooth include the removable partial denture, partial and full coverage bridgework, and resin-bonded bridgework. Dental implants have gained increasing popularity over the years as they are capable of restoring the function to near normal in both partial and completely edentulous arches...
January 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/28434535/fruits-of-the-forest-human-stable-isotope-ecology-and-rainforest-adaptations-in-late-pleistocene-and-holocene-%C3%A2-36-to-3-ka-sri-lanka
#2
Patrick Roberts, Nimal Perera, Oshan Wedage, Siran Deraniyagala, Jude Perera, Saman Eregama, Michael D Petraglia, Julia A Lee-Thorp
Sri Lanka has yielded some of the earliest dated fossil evidence for Homo sapiens (∼38-35,000 cal. years BP [calibrated years before present]) in South Asia, within a region that is today covered by tropical rainforest. Archaeozoological and archaeobotanical evidence indicates that these hunter-gatherers exploited tropical forest resources, yet the contribution of these resources to their overall subsistence strategies has, as in other Late Pleistocene rainforest settings, remained relatively unexplored...
May 2017: Journal of Human Evolution
https://www.readbyqxmd.com/read/28432824/brief-communication-an-analysis-of-dental-development-in-pleistocene-homo-using-skeletal-growth-and-chronological-age
#3
Maja Šešelj
OBJECTIVES: This study takes a new approach to interpreting dental development in Pleistocene Homo in comparison with recent modern humans. As rates of dental development and skeletal growth are correlated given age in modern humans, using age and skeletal growth in tandem yields more accurate dental development estimates. Here, I apply these models to fossil Homo to obtain more individualized predictions and interpretations of their dental development relative to recent modern humans...
April 22, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28430345/healing-response-of-rat-pulp-treated-with-an-injectable-keratin-hydrogel
#4
Lavanya Ajay Sharma, Robert M Love, Mohammad A Ali, Ajay Sharma, Soraia Macari, Avadhoot Avadhani, George J Dias
BACKGROUND: Keratin has shown promising outcomes as a biomaterial due to its inherent bioactivity, biocompatibility and regenerative effects. The effect of keratin on repair and regeneration of dental tissues has never been studied before. Current therapies to treat pulp tissues involve its replacement with inert, synthetic materials that do not have a proper biological function, leading to failure and tooth loss. This study aimed to develop a biocompatible keratin hydrogel (KH) suitable for pulp therapies...
April 20, 2017: Journal of Applied Biomaterials & Functional Materials
https://www.readbyqxmd.com/read/28426029/-erosive-tooth-wear-in-children-and-adolescents-in-the-netherlands-how-big-is-the-problem
#5
D L Gambon, A A Schuller, E M Bronkhorst, G J Truin
According to international research, the prevalence of (erosive) tooth wear among children and adolescents has grown steadily in recent decades. The question was whether this also applies to the Netherlands and what changes in consumption patterns may play a role in this development. From 1998 up to and including 2011, 9 studies have been carried out on the prevalence of (erosive) tooth wear among the young. A meta-analysis of these studies reveals that an increase has also taken place in the Netherlands. Furthermore, a tendency was found for greater prevalence with increasing age...
April 2017: Nederlands Tijdschrift Voor Tandheelkunde
https://www.readbyqxmd.com/read/28419559/impact-of-the-global-burden-of-periodontal-diseases-on-health-nutrition-and-wellbeing-of-mankind-a-call-for-global-action
#6
Maurizio S Tonetti, Søren Jepsen, Lijian Jin, Joan Otomo-Corgel
BACKGROUND: The global burden of periodontal diseases remains high. Population growth trends, changes in risk factors and improved tooth retention will increase the socio-economic burden of periodontitis that is responsible for 3,5 million years lived with disability, 54 billion USD/year in lost productivity and a major portion of the 442 billion USD/year cost for oral diseases. METHODS: In the context of the Milan World Exhibition 2015 "Feeding the Planet, Energy for Life", a green paper was developed and offered for global consultation by the European Federation of Periodontology...
April 17, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28418414/-erosive-tooth-wear-in-children-and-adolescents-in-the-netherlands-how-big-is-the-problem
#7
D L Gambon, A A Schuller, E M Bronkhorst, G J Truin
According to international research, the prevalence of (erosive) tooth wear among children and adolescents has grown steadily in recent decades. The question was whether this also applies to the Netherlands and what changes in consumption patterns may play a role in this development. From 1998 up to and including 2011, 9 studies have been carried out on the prevalence of (erosive) tooth wear among the young. A meta-analysis of these studies reveals that an increase has also taken place in the Netherlands. Furthermore, a tendency was found for greater prevalence with increasing age...
April 2017: Nederlands Tijdschrift Voor Tandheelkunde
https://www.readbyqxmd.com/read/28418413/-how-useful-is-restorative-care-in-the-primary-dentition
#8
J E Frencken
Too many children develop carious lesions and many such lesions progress into a dentine carious lesion. In 2010, the percentage of dentine carious lesions in the primary dentition of 6-year-old Dutch children that were restored was less than 50 per cent. Owing to research, the necessity to restore dentine carious lesions routinely has been called into question. Current understanding of cariologic principles point in the direction of a causal treatment that is based on cleaning accessible dentine carious cavities and those that can be made accessible, possibly supported by the application of silver diamine fluoride...
April 2017: Nederlands Tijdschrift Voor Tandheelkunde
https://www.readbyqxmd.com/read/28418109/sagittal-crest-formation-in-great-apes-and-gibbons
#9
Katharine L Balolia, Christophe Soligo, Bernard Wood
The frequency of sagittal crest expression and patterns of sagittal crest growth and development have been documented in hominoids, including some extinct hominin taxa, and the more frequent expression of the sagittal crest in males has been traditionally linked with the need for larger-bodied individuals to have enough attachment area for the temporalis muscle. In the present study, we investigate sagittal cresting in a dentally mature sample of four hominoid taxa (Pan troglodytes schweinfurthii, Gorilla gorilla gorilla, Pongo pygmaeus pygmaeus and Hylobates lar)...
April 18, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28416159/new-finite-element-study-protocol-clinical-simulation-of-orthodontic-tooth-movement
#10
Antoine Bouton, Yohann Simon, Florent Goussard, Luciano Teresi, Vittorio Sansalone
The aim of this work was to model tooth movement in a more clinically-exact fashion, thanks to the use of new IT tools and imaging systems (cone-beam). Image segmentation and 3D reconstruction now enable us to model the anatomy realistically, while finite element (FE) analysis makes it possible to evaluate stresses and their distribution on the level of the tooth, the periodontal ligament (PDL) and the alveolar bone when a force is applied. The principle is to monitor tooth movement by obtaining optical impressions at each stage of treatment...
April 13, 2017: International Orthodontics
https://www.readbyqxmd.com/read/28413391/minocycline-induced-hyperpigmentation-in-a-patient-treated-with-erlotinib-for-non-small-cell-lung-adenocarcinoma
#11
Ann T Bell, John W Roman, Max L Gratrix, Christina E Brzezniak
INTRODUCTION: While epidermal growth factor receptor (EGFR) inhibitors have improved progression-free survival in patients with non-small cell lung cancer (NSCLC), one of the most common adverse effects is papulopustular skin eruption, which is frequently severe enough to be treated with oral minocycline or doxycycline. CASE: We present a case of an 87-year-old man who developed a severe papulopustular skin eruption secondary to erlotinib therapy for NSCLC. Control of the eruption with 100 mg of minocycline twice daily for 8 months eventually led to blue-gray skin hyperpigmentation...
January 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/28412234/premolar-autotransplantation-in-juvenile-dentition-quantitative-assessment-of-vertical-bone-and-soft-tissue-growth
#12
Inessa Michl, Dirk Nolte, Claudia Tschammler, Martin Kunkel, Robert Linsenmann, Johannes Angermair
OBJECTIVE: Premolar autotransplantation represents an effective therapeutic option for the treatment of juvenile dentition with either aquired or congenital hypodontia. The objective of this prospective clinical study was to quantitatively assess bone and soft tissue levels after autogenous premolar transplantation by clinical and radiographic parameters. STUDY DESIGN: In the study, 26 premolars were transplanted in 20 patients after traumatic tooth loss (n = 16) or congenital aplasia (n = 10) in the anterior maxilla...
February 22, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28408959/role-of-the-wnt-signaling-molecules-in-the-tooth
#13
REVIEW
Masato Tamura, Eiji Nemoto
Wnt signaling plays a central role in many processes during embryonic development and adult homeostasis. At least 19 types of Wnt ligands, receptors, transducers, transcription factors, and antagonists have been identified in mammals. Two distinct Wnt signaling pathways, the canonical signaling pathway and the noncanonical signaling pathway, have been described. Some Wnt signaling pathway components are expressed in the dental epithelium and mesenchyme during tooth development in humans and mice. Functional studies and experimental analysis of relevant animal models confirm the effects of Wnt signaling pathway on the regulation of developing tooth formation and adult tooth homeostasis...
November 2016: Japanese Dental Science Review
https://www.readbyqxmd.com/read/28408954/rho-gtpases-in-ameloblast-differentiation
#14
REVIEW
Keishi Otsu, Hidemitsu Harada
During tooth development, ameloblasts differentiate from inner enamel epithelial cells to enamel-forming cells by modulating the signal pathways mediating epithelial-mesenchymal interaction and a cell-autonomous gene network. The differentiation process of epithelial cells is characterized by marked changes in their morphology and polarity, accompanied by dynamic cytoskeletal reorganization and changes in cell-cell and cell-matrix adhesion over time. Functional ameloblasts are tall, columnar, polarized cells that synthesize and secrete enamel-specific proteins...
May 2016: Japanese Dental Science Review
https://www.readbyqxmd.com/read/28407772/the-end-of-a-dogma-the-safety-of-doxycycline-use-in-young-children-for-malaria-treatment
#15
REVIEW
Tiphaine Gaillard, Sébastien Briolant, Marylin Madamet, Bruno Pradines
Anti-malarial drug resistance to chloroquine and sulfadoxine-pyrimethamine has spread from Southeast Asia to Africa. Furthermore, the recent emergence of resistance to artemisinin-based combination therapy (ACT) in Southeast Asia highlights the need to identify new anti-malarial drugs. Doxycycline is recommended for malaria chemoprophylaxis for travel in endemic areas, or in combination with the use of quinine for malaria treatment when ACT is unavailable or when the treatment of severe malaria with artesunate fails...
April 13, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28407420/dental-biofilm-infections-an-update
#16
REVIEW
Tove Larsen, Nils-Erik Fiehn
Teeth are colonized by oral bacteria from saliva containing more than 700 different bacterial species. If removed regularly, the dental biofilm mainly comprises oral streptococci and is regarded as resident microflora. But if left undisturbed, a complex biofilm containing up to 100 bacterial species at a site will build up and may eventually cause development of disease. Depending on local ecological factors, the composition of the dental biofilm may vary considerably. With access to excess carbohydrates, the dental biofilm will be dominated by mainly gram-positive carbohydrate-fermenting bacteria causing demineralization of teeth, dental caries, which may further lead to inflammation and necrosis in the pulp and periapical region, i...
April 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28406943/defective-enamel-and-bone-development-in-sodium-dependent-citrate-transporter-nact-slc13a5-deficient-mice
#17
Armando R Irizarry, Guirui Yan, Qingqiang Zeng, Jonathan Lucchesi, Matthew J Hamang, Yanfei L Ma, James Xiaojun Rong
There has been growing recognition of the essential roles of citrate in biomechanical properties of mineralized tissues, including teeth and bone. However, the sources of citrate in these tissues have not been well defined, and the contribution of citrate to the regulation of odontogenesis and osteogenesis has not been examined. Here, tooth and bone phenotypes were examined in sodium-dependent citrate transporter (NaCT) Slc13a5 deficient C57BL/6 mice at 13 and 32 weeks of age. Slc13a5 deficiency led to defective tooth development, characterized by absence of mature enamel, formation of aberrant enamel matrix, and dysplasia and hyperplasia of the enamel organ epithelium that progressed with age...
2017: PloS One
https://www.readbyqxmd.com/read/28406130/is-the-periodontal-status-a-risk-factor-for-the-development-of-psoriasis
#18
G Sarac, Y Kapicioglu, S Cayli, A Altas, S Yologlu
BACKGROUND AND OBJECTIVES: Psoriasis is a common, chronic, inflammatory, and hyperproliperative skin disease. It has been known that the infectious agents play a role in triggering and exacerbation of the disease. Periodontal diseases are chronic inflammatory gum diseases initiated by microorganisms in dental plaques. This study intended to determine the role of periodontal diseases, as chronic infective foci in psoriasis. MATERIALS AND METHODS: A total of 76 patients, who applied to Faculty of Medicine, Department of Dermatology, İnönü University, diagnosed as psoriasis and a control group consisting of 76 dermatologic patients without any systemic disease at similar age and gender were included the study...
April 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28402354/simultaneous-ridge-augmentation-and-accelerated-molar-uprighting-for-implant-site-development-two-case-reports-with-a-split-mouth-design
#19
Chin-Wei Wang, Michelle Yuching Chou, Rebecca Chen, Todd Rowe, Mohamed Masoud, David M Kim, Giuseppe Intini
Well-coordinated interdisciplinary dental treatments provide the best esthetic, functional, and long-term results for patients. However, the length of such treatment, which may involve orthodontics, ridge augmentation, and dental implants, often deters patients from pursuing them. The two case reports presented here aim to present the advantage of simultaneous orthodontic molar uprighting and ridge augmentation procedures for future implant site development. Selective decortication of the alveolar bone, performed simultaneously with bone grafting, can accelerate the tooth uprighting process and synergistically reduce treatment duration...
May 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28401887/bone-marrow-mesenchymal-stem-cells-combine-with-treated-dentin-matrix-to-build-biological-root
#20
Shiwei Luo, Fei Pei, Wen Zhang, Weihua Guo, Rui Li, Wei He, Weidong Tian
Treated dentin matrix (TDM) as a kind of scaffolding material has been proved odontogenic induction ability on dental-derived stem cells. Given the limited resources of dental stem cells, it is necessary to seek new seed cell which easily obtained. Jaw bone marrow mesenchymal stem cell (JBMMSC) as non-dental-derived stem cell relates to the development of teeth and jaws which suggest us JBMMSCs could act as a new seed cell for tooth tissue engineering. To assess the odontogenic and osteogenic potential of JBMMSCs, cells were induced by TDM extraction in vitro and combined with TDM in vivo...
April 12, 2017: Scientific Reports
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