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https://www.readbyqxmd.com/read/28441274/-meth-mouth-an-interdisciplinary-review-of-a-dental-and-psychiatric-condition
#1
Cornel N Stanciu, Magdalena Glass, Brian C Muzyka, Oliver M Glass
OBJECTIVE: Chronic methamphetamine (MA) users experience many dental problems, a condition characterized as "meth mouth." These devastating effects on dentition is the main reason why many seek professional help. Here, we discuss the effects of MA on oral health and advocate for improved collaboration between dentists and mental health providers. We also introduce a dental evaluation tool with the goal of improving the quality of care for this often-marginalized patient population. METHODS: A Medline literature search (1985-2016) was conducted with keywords "meth mouth," "methamphetamine AND oral health"; "methamphetamine AND dental"; "methamphetamine AND dentist...
April 24, 2017: Journal of Addiction Medicine
https://www.readbyqxmd.com/read/28439579/severe-tooth-wear-european-consensus-statement-on-management-guidelines
#2
Bas Loomans, Niek Opdam, Thomas Attin, David Bartlett, Daniel Edelhoff, Roland Frankenberger, Goran Benic, Simon Ramseyer, Peter Wetselaar, Bernadette Sterenborg, Reinhard Hickel, Ulla Pallesen, Shamir Metha, Subir Banerji, Adrian Lussi, Nairn Wilson
This paper presents European expert consensus guidelines on the management of severe tooth wear. It focuses on the definition of physiological vs pathological tooth wear and recommends diagnosis, prevention, counseling, and monitoring aimed at elucidating the etiology, nature, rate and means of controlling pathological tooth wear. Management decisions are multifactorial, depending principally on the severity and effects of the wear and the wishes of the patient. Restorative intervention is typically best delayed as long as possible...
April 21, 2017: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/28426029/-erosive-tooth-wear-in-children-and-adolescents-in-the-netherlands-how-big-is-the-problem
#3
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/28418414/-erosive-tooth-wear-in-children-and-adolescents-in-the-netherlands-how-big-is-the-problem
#4
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/28418109/sagittal-crest-formation-in-great-apes-and-gibbons
#5
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/28415544/%C3%AE-pyrophosphate-a-potential-biomaterial-for-dental-applications
#6
A D Anastasiou, S Strafford, O Posada-Estefan, C L Thomson, S A Hussain, T J Edwards, M Malinowski, N Hondow, N K Metzger, C T A Brown, M N Routledge, A P Brown, M S Duggal, A Jha
Tooth hypersensitivity is a growing problem affecting both the young and ageing population worldwide. Since an effective and permanent solution is not yet available, we propose a new methodology for the restoration of dental enamel using femtosecond lasers and novel calcium phosphate biomaterials. During this procedure the irradiated mineral transforms into a densified layer of acid resistant iron doped β-pyrophosphate, bonded with the surface of eroded enamel. Our aim therefore is to evaluate this densified mineral as a potential replacement material for dental hard tissue...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28374451/dental-wear-and-age-grading-at-roonka-south-australia
#7
Judith Littleton
OBJECTIVES: In many hunter-gatherer populations, the teeth are used as a third hand or a tool. Much attention has been paid to wear and its relationship to gendered division of labor, but age is also a significant organizing factor in many societies. In this article, I analyze whether the pattern of wear at Roonka, Australia, reflects the age-graded acquisition of tasks. MATERIALS AND METHODS: The remains analyzed come from Roonka and date from c6000 BP to 150 BP...
April 4, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28371453/morphometry-microstructure-and-wear-pattern-of-neornithischian-dinosaur-teeth-from-the-upper-cretaceous-ihark%C3%A3%C2%BAt-locality-hungary
#8
Attila Virág, Attila Ősi
Teeth of iguanodontian ornithopods and ceratopsians could be remarkably similar, thus the referral of isolated dental material to particular neornithischian clades can be highly problematic. These groups are represented by the rhabdodontid Mochlodon vorosi and the basal coronosaurian Ajkaceratops kozmai in the Upper Cretaceous Csehbánya Formation at Iharkút (western Hungary). Whereas teeth of Mochlodon are common elements at the locality, no dental material belonging to Ajkaceratops was identified until now...
April 3, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28366197/anterior-dental-microwear-textures-show-habitat-driven-variability-in-neandertal-behavior
#9
Kristin L Krueger, Peter S Ungar, Debbie Guatelli-Steinberg, Jean-Jacques Hublin, Alejandro Pérez-Pérez, Erik Trinkaus, John C Willman
The causes of Neandertal anterior tooth wear patterns, including labial rounding, labial scratches, and differential anterior-posterior wear, have been debated for decades. The most common explanation is the "stuff-and-cut" hypothesis, which describes Neandertals clamping down on a piece of meat and slicing a portion close to their lips. "Stuff-and-cut" has been accepted as a general aspect of Neandertal behavior without fully assessing its variability. This study analyzes anterior dental microwear textures across habitats, locations, and time intervals to discern possible variation in Neandertal anterior tooth-use behavior...
April 2017: Journal of Human Evolution
https://www.readbyqxmd.com/read/28366196/a-highly-derived-pliopithecoid-from-the-late-miocene-of-haritalyangar-india
#10
Anek R Sankhyan, Jay Kelley, Terry Harrison
The Late Miocene sequence at Haritalyangar, Himachal Pradesh, India, has produced abundant remains of the hominid Sivapithecus and the sivaladapids Sivaladapis and Indraloris. Also recovered from these sediments is an isolated and worn upper molar that was made the holotype of Krishnapithecus krishnaii and assigned to the Pliopithecoidea. However, the heavy wear and absence of definitive pliopithecoid features on the tooth rendered the assignment to this superfamily unconvincing. Here, we describe two lower molars from Haritalyangar that bear unmistakable pliopithecoid features and that are plausibly assignable to the same species as the type specimen of K...
April 2017: Journal of Human Evolution
https://www.readbyqxmd.com/read/28298977/effect-of-addition-of-nano-hydroxyapatite-particles-on-wear-of-resin-modified-glass-ionomer-by-tooth-brushing-simulation
#11
Kiana Poorzandpoush, Ladan-Ranjbar Omrani, Shiva H Jafarnia, Parisa Golkar, Mohammad Atai
BACKGROUND: Recently, incorporation of nanohydroxyapatite (NHA) has been suggested to improve the mechanical properties of glass ionomers (GIs). This study aimed to assess the effect of addition of NHA on wear of resin modified glass ionomer (RMGI) by tooth brushing simulation. MATERIAL AND METHODS: In this in vitro, experimental study, NHA in 1, 2, 5, 7 and 10wt% concentrations was added to Fuji II LC RMGI powder, and 48 samples (5×5mm) in five experimental and one control group (n=8) were fabricated...
March 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28297088/retention-and-relapse-in-clinical-practice
#12
S J Littlewood, S Kandasamy, G Huang
Maintaining teeth in their corrected positions following orthodontic treatment can be extremely challenging. Teeth have a tendency to move back towards the original malocclusion as a result of periodontal, gingival, occlusal and growth related factors. However, tooth movement can also occur as a result of normal age changes. Because orthodontics is unable to predict which patients are at risk of relapse, those which will remain stable and the extent of relapse that will occur in the long-term, clinicians need to treat all patients as if they have a high potential to relapse...
March 2017: Australian Dental Journal
https://www.readbyqxmd.com/read/28288297/early-rehabilitation-of-incisors-with-dentinogenesis-imperfecta-type-ii-case-report
#13
Ana Paula Ca Beltrame, Maíra Mery Rosa, Ricardo At Noschang, Izabel Cs Almeida
Dentinogenesis imperfecta is an phenotypic alteration in the formation of the organic matrix. It causes the rapid and progressive wear of tooth structure, which may compromise tooth function and aesthetics. This is a case of a 1y, 8m-old child with dentinogenesis imperfecta. All teeth presented with an opalescent appearance and grayish color hue. Compromised structural integrity was noted as excessive wear and fracturing of the enamel from the dentin layer. With low doses of midazolam (oral) and chloral hydrate (rectal) administration, in a hospital environment, sedation was used to aid full mouth rehabilitation...
2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28280760/the-shear-bond-strength-of-porcelain-laminate-to-prepared-and-unprepared-anterior-teeth
#14
Ali Asghar Alavi, Zeinab Behroozi, Farid Nik Eghbal
STATEMENT OF THE PROBLEM: Porcelain laminate veneer is an esthetic restoration used as an alternative to full veneer crowns and requires minimal tooth preparation. In restoration with porcelain laminate veneers, both the longevity of the laminate and conservation of the sound tooth structure are imperative. PURPOSE: The present study aimed to investigate the shear bond strength of porcelain laminates to prepared- and unprepared- anterior teeth in order to compare their longevity and success rate...
March 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28267825/clinical-monitoring-of-tooth-wear-progression-in-patients-over-a-period-of-one-year-using-cad-cam
#15
Khaled E Ahmed, John Whitters, Xiangyang Ju, S Gareth Pierce, Charles N MacLeod, Colin A Murray
PURPOSE: The aim of this study was to clinically monitor the progression of tooth wear over a period of 1 year in a cohort of referred tooth wear patients through the use of a computer-aided design/computer-assisted manufacture (CAD/CAM) scanner and a standardized scanning/assessment methodology. MATERIALS AND METHODS: Polyether impressions were made of 11 participants (130 teeth) at baseline and at 1 year. Impressions were poured in type IV dental stone and the anterior teeth were 3D scanned...
March 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28265518/digital-reconstruction-of-the-mandible-of-an-adult-lesothosaurus-diagnosticus-with-insight-into-the-tooth-replacement-process-and-diet
#16
Lara Sciscio, Fabien Knoll, Emese M Bordy, Michiel O de Kock, Ragna Redelstorff
Fragmentary caudal ends of the left and right mandible assigned to Lesothosaurus diagnosticus, an early ornithischian, was recently discovered in the continental red bed succession of the upper Elliot Formation (Lower Jurassic) at Likhoele Mountain (Mafeteng District) in Lesotho. Using micro-CT scanning, this mandible could be digitally reconstructed in 3D. The replacement teeth within the better preserved (left) dentary were visualised. The computed tomography dataset suggests asynchronous tooth replacement in an individual identified as an adult on the basis of bone histology...
2017: PeerJ
https://www.readbyqxmd.com/read/28240290/the-diet-of-the-first-europeans-from-atapuerca
#17
Alejandro Pérez-Pérez, Marina Lozano, Alejandro Romero, Laura M Martínez, Jordi Galbany, Beatriz Pinilla, Ferran Estebaranz-Sánchez, José María Bermúdez de Castro, Eudald Carbonell, Juan Luís Arsuaga
Hominin dietary specialization is crucial to understanding the evolutionary changes of craniofacial biomechanics and the interaction of food processing methods' effects on teeth. However, the diet-related dental wear processes of the earliest European hominins remain unknown because most of the academic attention has focused on Neandertals. Non-occlusal dental microwear provides direct evidence of the effect of chewed food particles on tooth enamel surfaces and reflects dietary signals over time. Here, we report for the first time the direct effect of dietary abrasiveness as evidenced by the buccal microwear patterns on the teeth of the Sima del Elefante-TE9 and Gran Dolina-TD6 Atapuerca hominins (1...
February 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28219251/childhood-intelligence-and-early-tooth-wear-patterns
#18
Tuomo Heikkinen, Jaana Rusanen, Koshi Sato, Paula Pesonen, Virpi Harila, Lassi Alvesalo
OBJECTIVE: The aim of this study is to explore the relationships between early dental wear patterns and preschool IQ (Intelligence Quotient, by Stanford-Binet) of the child to illuminate the historic relationship of mental queries and bruxism. METHODS: The dental study participants were 864 Euro-American preschool and school children whose IQs were tested for school maturity purposes at the age of 4 years, followed by dental data in a cross-sectional manner at the mean age of 7...
February 20, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/28216839/a-study-on-the-wear-of-enamel-caused-by-monolithic-zirconia-and-the-subsequent-phase-transformation-compared-to-two-other-ceramic-systems
#19
Amreen Rupawala, Smita I Musani, Pallavi Madanshetty, Ramandeep Dugal, Umang D Shah, Ektaa J Sheth
PURPOSE: The purpose of this in vitro research project was to evaluate and compare the wear behavior of human tooth enamel opposing monolithic zirconia and other different ceramic restorative materials and also to observe the tetragonal to monoclinic phase transformation in zirconia-based ceramics that may occur while simulating wear occurring at room temperature in a wet environment. MATERIALS AND METHODS: A total of sixty samples were prepared for this study. Fifteen discs of glazed zirconia, 15 discs of polished zirconia without glaze, 15 discs of metal ceramic, and 15 discs of lithium disilicate were fabricated...
January 2017: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/28213765/association-between-signs-and-symptoms-of-bruxism-and-presence-of-tori-a-systematic-review
#20
Eduardo Bertazzo-Silveira, Juliana Stuginski-Barbosa, André Luís Porporatti, Bruce Dick, Carlos Flores-Mir, Daniele Manfredini, Graziela De Luca Canto
OBJECTIVE: This systematic review aims to answer the question: "Is there an association between any specific signs and symptoms of bruxism and the presence of tori?" MATERIAL AND METHODS: Observational studies, which evaluated the association between signs and symptoms of bruxism and tori, were selected. Signs and symptoms of bruxism (such as teeth grinding, jaw clenching, abnormal tooth wear, facial muscle hypertrophy, pain, or fatigue) had to be determined by questionnaire or anamnesis and tori within clinical assessment...
February 17, 2017: Clinical Oral Investigations
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