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https://www.readbyqxmd.com/read/27929063/a-large-carnivorous-mammal-from-the-late-cretaceous-and-the-north-american-origin-of-marsupials
#1
Gregory P Wilson, Eric G Ekdale, John W Hoganson, Jonathan J Calede, Abby Vander Linden
Marsupial mammal relatives (stem metatherians) from the Mesozoic Era (252-66 million years ago) are mostly known from isolated teeth and fragmentary jaws. Here we report on the first near-complete skull remains of a North American Late Cretaceous metatherian, the stagodontid Didelphodon vorax. Our phylogenetic analysis indicates that marsupials or their closest relatives evolved in North America, as part of a Late Cretaceous diversification of metatherians, and later dispersed to South America. In addition to being the largest known Mesozoic therian mammal (node-based clade of eutherians and metatherians), Didelphodon vorax has a high estimated bite force and other craniomandibular and dental features that suggest it is the earliest known therian to invade a durophagous predator-scavenger niche...
December 8, 2016: Nature Communications
https://www.readbyqxmd.com/read/27928641/dental-health-status-and-patient-reported-outcomes-at-baseline-in-patients-participating-in-the-osteonecrosis-of-the-jaw-registry-study-swog-s0702
#2
Catherine H Van Poznak, Amy Darke, Carol M Moinpour, Robert A Bagramian, Mark M Schubert, Julie R Gralow, James L Wade, Joseph M Unger
PURPOSE: SWOG S0702 was a cohort study of patients with cancer with bone metastases due to any cancer. Using baseline data from S0702, this report characterizes the oral health and oral health-related quality of life (OHRQoL) of patients with advanced cancer. METHODS: S0702 case report forms captured dental assessment and patient-reported outcome (PRO) data. This analysis compares PRO dental discomfort with selected clinical assessments of dental health. This analysis focuses on the 2294 patients who underwent baseline dental examination prior to study registration, but also reports on the 1235 patients for whom only OHRQol data are available...
December 7, 2016: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/27928242/dental-management-of-a-child-with-dentinogenesis-imperfecta-a-case-report
#3
Najmeh Akhlaghi, Ali-Reza Eshghi, Mehrnaz Mohamadpour
Dentinogenesis imperfecta (DI) is a hereditary dentin defect caused by an autosomal dominant mutation in dentin sialophosphoprotein gene. Defective dentin development results in discolored teeth that are prone to wear and fracture. Early diagnosis and proper treatment are necessary to achieve better functional and esthetic results and minimize nutritional deficiencies and psychosocial distress. In order to prevent excessive loss of tooth structure, placement of stainless steel crowns (SSCs) on deciduous and young permanent posterior teeth is recommended as soon as such teeth erupt...
March 2016: Journal of Dentistry of Tehran University of Medical Sciences
https://www.readbyqxmd.com/read/27927258/a-case-of-tetanus-secondary-to-an-odontogenic-infection
#4
Majid Darraj, James Stone, Yoav Keynan, Kristjan Thompson, Carolyn Snider
Tetanus is a life-threatening clinical syndrome that commonly presents with muscular spasms, rigidity, and autonomic instability. It is considered rare in industrialized countries, and tetanus occurring secondary to dental abscesses, procedures, or infections has been infrequently reported. We describe the case of a patient inadequately immunized for tetanus, who presented to the emergency department with muscular spasms, rigidity, and autonomic instability in the setting of an odontogenic infection. A clinical diagnosis of tetanus was made and subsequently managed successfully...
December 8, 2016: CJEM
https://www.readbyqxmd.com/read/27922732/dental-caries-and-associated-factors-in-twins-with-down-syndrome-a-case-report
#5
Maurício José Santos Moreira, Carolina Schwertner, Ana Paula Dall'Onder, Natália Mincato Klaus, Clarissa Cavalcanti Fatturi Parolo, Lina Naomi Hashizume
Down syndrome (DS) is the most common genetic disorder in humans, but its incidence in monozygotic twins is extremely rare. The aim of this study was to determine the factors associated with dental caries in a pair of monozygotic twin girls with DS, where one had caries experience and the other did not. Clinical examination, salivary Streptococcus mutans (S. mutans) levels and their genotypic diversity, the biochemical composition of the dental biofilm, the frequency of sucrose consumption, and toothbrushing habits were assessed from the twin girls...
December 6, 2016: Special Care in Dentistry
https://www.readbyqxmd.com/read/27922455/primary-stability-of-cylindrical-and-conical-dental-implants-in-relation-to-insertion-torque-a-comparative-ex-vivo-evaluation
#6
Henning Staedt, Victor Palarie, Arne Staedt, Jens M Wolf, Karl Martin Lehmann, Peter Ottl, Peer W Kämmerer
INTRODUCTION: The aim of this ex vivo study was to investigate the influence of different insertion torques on primary stability of a conical and a cylindrical implant system. MATERIALS AND METHODS: Thirty-two dental implants (Astra Tech OsseoSpeed 5.0 S × 11 mm cylindrical [n = 16] and 5.0 × 11 mm conical [n = 16]) were inserted with 20, 30, 40, and 45 N·cm into fresh porcine bone of mixed trabecular-cortical quality. Before insertion, bone quality was assessed via cone beam tomography...
December 2, 2016: Implant Dentistry
https://www.readbyqxmd.com/read/27920981/infective-endocarditis-and-sj%C3%A3-gren-s-syndrome-diagnosed-simultaneously
#7
Fujiko Morita, Yuji Hirai, Kiyozumi Suzuki, Yuki Uehara, Kazunori Mitsuhashi, Atsushi Amano, Toshio Naito
Poor dentition and/or dental infection due to insufficient oral care are presumed to be risk factors for infective endocarditis (IE). We present a case of endocarditis caused by Granulicatella adiacens and Sjögren's syndrome (SS) with oral complications diagnosed simultaneously. A 67-year-old woman was admitted to our hospital with fever, general fatigue, arthralgia, and back pain. She was diagnosed with primary SS according to the criteria of the American-European Consensus Group. Transthoracic echocardiography carried out to examine her persistent fever revealed vegetation formation (14 × 5 mm) on the aortic valve and her blood cultures were positive for G...
2017: IDCases
https://www.readbyqxmd.com/read/27918747/segmental-sandwich-osteotomy-of-the-posterior-mandible-in-pre-implant-surgery-a-systematic-review
#8
G Kamperos, I Zografos, F Tzermpos, I Iatrou
BACKGROUND: The rehabilitation of the atrophic posterior mandible with dental implants often requires bone augmentation procedures. The aim of the present study is the systematic review of the literature concerning the success rate of Segmental Sandwich Osteotomy (SSO) of the posterior mandible in pre-implant surgery. MATERIAL AND METHODS: Systematic review of all clinical cases and clinical studies of SSO of the posterior mandible in pre-implant surgery with a minimum follow-up of 6 months after implant loading was performed, based on specific inclusion and exclusion criteria...
December 6, 2016: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/27914157/-prevalence-of-dental-caries-in-type-1-diabetic-patients-treated-with-insulin-pump
#9
Rosana Garcia, Ana Coelho, Anabela Paula, Manuel Marques Ferreira, Francisco Caramelo, Luísa Barros, Carla Batista, Miguel Melo, Mário Jorge Silva, Eunice Carrilho
INTRODUCTION: Type 1 diabetes mellitus and oral health are strictly related on a reciprocal basis, and an increased susceptibility to a wide variety of oral diseases is recognised in these patients. The aim of the present study was to establish a relationship between the prevalence of dental caries in Type 1 diabetic patients treated with insulin pump and that of non-diabetic patients. MATERIAL AND METHODS: An observational clinical study of analytical and cross-sectional nature was conducted...
August 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/27912815/regenerative-endodontics-by-cell-homing
#10
REVIEW
Ling He, Juan Zhong, Qimei Gong, Bin Cheng, Sahng G Kim, Junqi Ling, Jeremy J Mao
Apical revascularization (AR) and platelet-rich plasma have been used to restore dental pulp vitality in infected immature permanent teeth. Two regenerative therapies are cell transplantation and cell homing. This article updates and benchmarks these therapies with cell homing. A case report concluded that AR increased root length; however, quantitative and statistical assessments disproved this. Regenerative endodontic therapies require prospective clinical trials demonstrating safety and efficacy. These therapies are intrinsically susceptible to procedural and patient variations...
January 2017: Dental Clinics of North America
https://www.readbyqxmd.com/read/27908574/reconstruction-of-a-post-traumatic-maxillary-ridge-using-a-radial-forearm-free-flap-and-immediate-tissue-engineering-bone-morphogenetic-protein-bone-marrow-aspirate-concentrate-and-cortical-cancellous-bone-case-report
#11
James C Melville, Ramzey Tursun, J Marshall Green, Robert E Marx
The purpose of this article is to describe reconstruction of the maxillary alveolar ridge by use of a microvascular free flap combined with an immediate tissue-engineered bone graft. This novel surgical technique involved the use of a radial forearm free flap and immediate allogeneic avascular bone graft augmented with bone morphogenetic protein and bone marrow aspirate concentrate. A poly-d,l-lactic acid mesh was used a containment unit for the bone graft. The patient was successfully treated with a viable radial forearm free flap for soft tissue and regeneration of bone with adequate height and width, which allowed the placement of 3 dental implants with excellent arch coordination...
November 9, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27907820/preauricular-pilomatricoma-an-uncommon-entity-in-a-dental-pediatric-patient
#12
Poyzan Bozkurt, Mehmet Eray Kolsuz, Ömer Günhan, Erdal Erdem, Kaan Orhan
INTRODUCTION: Pilomatricomas are benign follicular skin appendage tumors, commonly occurring in children and young adults. Most patients admit to dermatologists to seek treatment and are well known by them; however, dental professionals, especially pediatric dentists are not familiar with these tumors. PRESENTATION OF CASE: This report presents a 16-year-old female with preauricular pilomatricoma, located beneath the overlying skin of the temporomandibular region...
November 15, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27903295/prevalence-and-risk-factors-of-periodontal-disease-among-pre-conception-chinese-women
#13
Hong Jiang, Yi Su, Xu Xiong, Emily Harville, Hongqiao Wu, Zhijun Jiang, Xu Qian
BACKGROUND: Periodontal disease is one of the most common chronic infectious diseases. It has been reported that periodontal disease is associated with various adverse pregnancy outcomes including preterm birth, low birth weight, and gestational diabetes mellitus. Given the fact that the treatment for periodontal disease during pregnancy was ineffective in improving pregnancy outcomes by most of studies, the pre-conception period has been put forward as a more optimal time. However, very few studies have reported the prevalence of periodontal disease among pre-conception women...
December 1, 2016: Reproductive Health
https://www.readbyqxmd.com/read/27901235/use-of-miniplates-as-a-method-for-orthodontic-anchorage-a-case-report
#14
Fernando Gianzanti Peres, Luis Eduardo Marques Padovan, Leandro Eduardo Kluppel, Gustavo Calvalcanti Albuquerque, Paulo Cesar Ulson de Souza, Marcela Claudino
Introduction: Temporary anchorage devices (TADs) have been developed to be used as direct adjuncts in orthodontic treatment and have facilitated treatment of more complex orthodontic cases, including patients with dental impaction. Objectives: This clinical case reports the applicability of TADs in the orthodontic treatment of a patient with impacted mandibular second molars. Surgical and orthodontic procedures related to the use of miniplates were also discussed in this study...
September 2016: Dental Press Journal of Orthodontics
https://www.readbyqxmd.com/read/27899787/mcardle-disease-misdiagnosed-as-meningitis
#15
Renata Siciliani Scalco, Sherryl Chatfield, Muhammad Hyder Junejo, Suzanne Booth, Jatin Pattni, Richard Godfrey, Ros Quinlivan
BACKGROUND McArdle disease is a glycogen storage disorder mainly characterized by exercise intolerance. Prolonged muscle contracture is also a feature of this condition and may lead to rhabdomyolysis (RM), which is a serious event characterized by acute skeletal muscle damage.  CASE REPORT A 44-year-old female patient presented with an acute contracture of the posterior neck muscles, causing severe nuchal rigidity. The contracture was induced during a dental extraction as she held her mouth open for a prolonged period, with her neck in a rigid position...
November 30, 2016: American Journal of Case Reports
https://www.readbyqxmd.com/read/27891478/customized-modified-haas-palatal-expansion-in-mixed-dentition-a-case-report
#16
Ziauddin Mohammad, Sampath Reddy Cheruku, Sarada Penmetcha, Srinivas Namineni, Phani Himaja Devi Vaaka
The dental arch perimeter and transpalatal width are the most significant arch dimensions in the developing individuals. Its management during the primary, mixed and early permanent dentition are greatly important for the normal development of the dental arches and significantly improve the occlusion in adulthood. Malocclusion is a constant source of threat to the facial appearance. Severe anterior crowding and narrow maxillary arches adversely affect the smile, facial profile and consequently patient becomes handicapped socially as well as psychologically...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27891302/epidemiology-of-sj%C3%A3-gren-s-syndrome-from-an-oral-perspective
#17
REVIEW
Anne Isine Bolstad, Kathrine Skarstein
Oral symptoms are among the most distressing manifestations for patients with Sjögren's syndrome (SS). The feeling of dry mouth is unpleasant, and hyposalivation may contribute to difficulty in speaking, chewing and swallowing and reduced quality of life. Reduced salivary flow increases the risk for dental caries and problems with prosthetic replacement. It seems that SS is not as frequently occurring as previously anticipated. Population-based prevalence studies on primary SS in Europe, conducted on large background populations and in accordance with the AECG criteria, reported of a prevalence of 1-9 cases per 10,000 people...
2016: Current Oral Health Reports
https://www.readbyqxmd.com/read/27890998/foreign-body-in-the-lung-following-dental-procedure
#18
Rajiv Goyal, Pratibha Gogia, Vaibhav Chachra, Kedar Hibare
This is an interesting case report of a foreign body (FB) aspiration in an adult patient. The FB in question was a dental drill, which accidentally went into the airways during a dental procedure. The extraction was technically difficult due to the peripheral location and thin and sharp tip of the FB. The extraction of this FB required a unique innovation through the rigid bronchoscope.
November 2016: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/27890977/health-and-socioeconomic-status-of-the-elderly-people-living-in-hilly-areas-of-pakhribas-kosi-zone-nepal
#19
Ankit Amar Gupta, Amrit Kumar Lall, Aditi Das, Anshu Saurav, Abnish Nandan, Deepa Shah, Anand Agrahari, Deepak Kumar Yadav
BACKGROUND: The rising geriatric population is facing significant health and social problems in the developing world that are impacting the quality of their lives. OBJECTIVE: The study describes the general health status and the socioeconomic characteristics of the elderly people of Pakhribas village development committee (VDC) of Eastern Nepal. MATERIALS AND METHODS: Descriptive cross-sectional study was carried out targeting the people aged 60 years and above in the sample area using a semi-structured questionnaire and convenient sampling to get the required sample size...
October 2016: Indian Journal of Community Medicine
https://www.readbyqxmd.com/read/27890112/an-autopsy-case-of-prolonged-asphyxial-death-caused-by-the-impacted-denture-in-the-esophagus
#20
Kazuhisa Funayama, Junko Fujihara, Haruo Takeshita, Hisakazu Takatsuka
A foreign body impacted in the esophagus is not a rare incident among adults or children. In adults, a dental prosthesis is prone to become impacted in the esophagus. The diagnostic difficulty of this often causes a delay in its removal, which can lead to serious complications, including death. This report describes the autopsy case of a man who died of prolonged asphyxiation induced by the delayed removal of an impacted denture, which was misdiagnosed on his first visit notwithstanding that a part of the denture could be seen on X-rays...
November 2016: Legal Medicine
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