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https://www.readbyqxmd.com/read/28387188/deep-sedation-technique-for-dental-rehabilitation-of-a-patient-with-klippel-feil-syndrome
#1
Halima Abukabbos, Michael Mahla, Abi O Adewumi
Klippel-Feil syndrome (KFS) is a congenital anomaly characterized by a defect in the formation or segmentation of the cervical vertebrae, resulting in their fusion. The clinical triad of the syndrome consists of short neck, low posterior hairline, and limited neck movement, although fewer than 50 percent of patients demonstrate all three clinical features. The short neck and its immobility and instability present a significant challenge for endotracheal intubation. The purpose of this paper is to describe the management of a 13-year-old patient with KFS, extensive dental caries, and restricted mouth opening using a deep sedation technique in the operating room, which allowed successful completion of dental treatment...
January 15, 2017: Journal of Dentistry for Children
https://www.readbyqxmd.com/read/28361020/role-of-dynamic-computed-tomography-scans-in-patients-with-congenital-craniovertebral-junction-malformations
#2
Otávio Turolo da Silva, Enrico Ghizoni, Helder Tedeschi, Andrei Fernandes Joaquim
AIM: To evaluate the role of dynamic computed tomography (CT) scan imaging in diagnosing craniovertebral junction (CVJ) instability in patients with congenital CVJ malformations. METHODS: Patients with symptomatic congenital CVJ malformations who underwent posterior fossa decompression and had a preoperative dynamic CT scan in flexion and extended position were included in this study. Measurements of the following craniometrical parameters were taken in flexed and extended neck position: Atlanto-dental interval (ADI), distance of the odontoid tip to the Chamberlain's line, and the clivus-canal angle (CCA)...
March 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28326102/impacted-maxillary-canine-prevalence-and-its-association-with-other-dental-anomalies-in-a-mexican-population
#3
José Rubén Herrera-Atoche, María Del Rosario Agüayo-de-Pau, Mauricio Escoffié-Ramírez, Fernando Javier Aguilar-Ayala, Bertha Arelly Carrillo-Ávila, Marina Eduviges Rejón-Peraza
Objective. We quantified the prevalence of impacted maxillary canines (IMC) and their association with other dental anomalies (DAs). Materials and Methods. A retrospective study was done with 860 patients 12 to 39 years of age. The prevalence of IMC was calculated and compared by sex. The sample was divided into a control group and an impaction group, and the prevalence was calculated in both for a series of anomalies: agenesis, supernumerary teeth, shape anomalies of the upper laterals (microdontia, peg and barrel shape, and talon cusp), fusion, gemination, other impacted teeth, transposition, and amelogenesis imperfecta...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28316926/apert-syndrome-with-s252w-fgfr2-mutation-and-characterization-using-phenomizer-an-indian-case-report
#4
Fulesh Kunwar, Shikha Tewari, Sonal R Bakshi
Human genetic disease needs differential diagnosis to optimize clinical management, enable prenatal detection, and genetic counselling. The current methods of robust DNA sequencing also require next generation phenotyping to match with for better interpretation of genotypic and phenotypic heterogeneity commonly observed. We report use of human ontology based phenotypic characterization with Phenomizer that gives statistical score for possible diagnoses based on which, the gene mutation was studied. A case of craniosynostosis which refers to a group of syndromes characterized by a premature fusion of skull was studied...
January 2017: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/28296336/a-comprehensive-study-of-palate-development-in-miniature-pig
#5
Lindong Sun, Jiangyi Wang, Huina Liu, Zhipeng Fan, Songlin Wang, Juan Du
Palate development is an important morphogenetic event in facial development, including the fusion of the lateral and medial nasal portions of the frontonasal process and maxilla. Derailments of any of these events may result in cleft palate, the most frequent congenital craniofacial abnormality. Recent research has shown that the microanatomy of the miniature pig oral maxillofacial region is quite similar to that of humans, and the use of miniature pigs as a large animal model for dental and orofacial research is increasing...
March 15, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28260736/recombinant-sox-enzymes-from-paracoccus-pantotrophus-degrade-hydrogen-sulfide-a-major-component-of-oral-malodor
#6
Atik Ramadhani, Miki Kawada-Matsuo, Hitoshi Komatsuzawa, Takahiko Oho
Hydrogen sulfide (H2S) is emitted from industrial activities, and several chemotrophs possessing Sox enzymes are used for its removal. Oral malodor is a common issue in the dental field and major malodorous components are volatile sulfur compounds (VSCs), including H2S and methyl mercaptan. Paracoccus pantotrophus is an aerobic, neutrophilic facultatively autotrophic bacterium that possesses sulfur-oxidizing (Sox) enzymes in order to use sulfur compounds as an energy source. In the present study, we cloned the Sox enzymes of P...
March 31, 2017: Microbes and Environments
https://www.readbyqxmd.com/read/28257608/research-and-primary-evaluation-of-an-automatic-fusion-method-for-multi-source-tooth-crown-data
#7
Ning Dai, Dawei Li, Xu Yang, Cheng Cheng, Yuchun Sun
BACKGROUND: With the development of 3D scanning technologies in dentistry, high accuracy optical scanning data from the crown and cone beam computed tomography (CBCT) data from the root can be acquired easily. In many dental fields, especially in digital orthodontics, it is useful to fuse the data from the crown and the root. However, the manual fusion method is complex and difficult. A novel automatic fusion method for two-source data from the crown and the root was researched and its accuracy was evaluated in this study...
March 3, 2017: International Journal for Numerical Methods in Biomedical Engineering
https://www.readbyqxmd.com/read/28203028/-unerupted-first-deciduous-molar-located-higher-to-the-first-premolar-a-case-report
#8
Y Zhan, H Liu
Tooth eruption is defined as the movement of a tooth from its site of development within the alveolar process to its functional position in the oral cavity. The process of tooth eruption can be divided into different phases: pre-eruptive bone stage, alveolar bone stage, mucosal stage, preocclusal stage, occlusal stage and maturation stage. Any disturbance in these phases can lead to eruptive anomalies. The incidence of unerupted teeth is usually higher among permanent teeth than among deciduous ones. Of the primary teeth reported as unerupted, second deciduous molars are the teeth most frequently involved, followed by primary central incisors...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28151902/clinical-pathological-and-genetic-evaluations-of-chinese-patient-with-otodental-syndrome-and-multiple-complex-odontoma-case-report
#9
Anqi Liu, Meiling Wu, Xiaohe Guo, Hao Guo, Zhifei Zhou, Kewen Wei, Kun Xuan
Otodental syndrome is a rare autosomal-dominant disease characterized by globodontia, associated with sensorineural, high-frequency hearing loss. Here, we describe the clinical, pathological, and genetic evaluations of a 9-year-old girl with otodental syndrome and multiple complex odontoma.The patient presented with a draining sinus tract in her left cheek, globodontia, and hearing loss. The odontomas which caused the cutaneous sinus tracts were extracted because of the odontogenic infection. The extracted odontoma and primary tooth was studied by micro-CT and further observed histopathologically...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28149450/quantitative-volumetric-analysis-of-cross-linked-gutta-percha-obturators
#10
Carla Zogheib, Monique Hanna, Damiano Pasqualini, Alfred Naaman
AIM: The purpose of this study was to evaluate the effects of technique on the filling quality of 2 recently introduced obturation systems comparatively with warm vertical compaction using micro-computed tomography. METHODS: 36 single-rooted teeth were selected, root canals prepared, and assigned to 3 groups (n=12), according to the filling technique: warm vertical compaction technique WVC, GuttaCore (Dentsply Tulsa Dental Specialties, Tulsa, OK) and Gutta Fusion (VDW, Germany)...
July 2016: Annali di Stomatologia
https://www.readbyqxmd.com/read/28140477/coexistence-of-fusion-and-concrescence-of-primary-teeth-in-a-child-with-down-syndrome
#11
Akshara Singh, Hind Pal Bhatia, Naresh Sharma
Down syndrome is one of the most common congenital anomaly. It is most frequently caused by trisomy of chromosome 21. Other causes can be mosaicism and translocation. Such patients are commonly encountered in routine dental practice. This syndrome has wide range of medical and dental abnormalities. This paper presents a unique case of fusion and concrescence of retained primary teeth in a child with Down syndrome. The incidence of such anomalies is quite low in these cases. Thus, a better awareness of such conditions on part of a dental practitioner will aid in the provision of enhanced dental care to these patients...
January 31, 2017: Special Care in Dentistry
https://www.readbyqxmd.com/read/28139484/prevalence-of-dental-anomalies-in-deciduous-dentition-and-its-association-with-succedaneous-dentition-a-cross-sectional-study-of-4180-south-indian-children
#12
G Shilpa, Niraj Gokhale, Sreekanth Kumar Mallineni, Sivakumar Nuvvula
OBJECTIVE: The objective of this study was to estimate the prevalence of dental anomalies in primary dentition of Indian population. MATERIALS AND METHODS: This cross-sectional study was conducted on 4180 children in the age of 2-6 years. Anomalies were classified based on Kreiborg criteria. The term "double tooth" was used to avoid misinterpretation between gemination. and fusion. Patients having radiographs were also examined for associated dental anomalies in permanent dentition...
January 2017: Journal of the Indian Society of Pedodontics and Preventive Dentistry
https://www.readbyqxmd.com/read/28054790/fusion-of-a-maxillary-central-and-lateral-incisor-with-a-congenitally-missing-lateral-a-10-year-conservative-esthetic-approach
#13
Leslie Stone Hirsh, Peter M Greco, Jay B Laudenbach, Alan M Atlas
Dental fusion and agenesis present unique esthetic challenges for the dental team when discovered in a developing child. This article highlights treatment of a 9-year-old girl with fusion of a maxillary central and lateral incisor with a congenitally missing lateral over a 10-year period. The article defines the developmental anomalies, provides a review of treatment options for the clinical team, and highlights clinical management using a conservative, interdisciplinary approach to esthetic treatment.
January 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/27989703/usefulness-of-mri-cbct-image-registration-in-the-evaluation-of-temporomandibular-joint-internal-derangement-by-novice-examiners
#14
Mohammed A Q Al-Saleh, Noura Alsufyani, Hollis Lai, Manuel Lagravere, Jacob L Jaremko, Paul W Major
OBJECTIVE: To assess whether novice examiners can more reliably determine temporomandibular joint (TMJ) disk derangements with the use of fused images of magnetic resonance imaging and cone beam computed tomography (MRI-CBCT) compared with MRI images alone. STUDY DESIGN: Thirty dental students with minimal exposure to TMJ imaging received a 30-minute calibration session in which TMJ diagnostic imaging and the normal anatomy of the TMJ internal derangement were explained...
February 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/27957258/prevalence-and-distribution-of-selected-dental-anomalies-among-saudi-children-in-abha-saudi-arabia
#15
Syed M Yassin
BACKGROUND: Dental anomalies are not an unusual finding in routine dental examination. The effect of dental anomalies can lead to functional, esthetic and occlusal problems. The Purpose of the study was to determine the prevalence and distribution of selected developmental dental anomalies in Saudi children. MATERIAL AND METHODS: The study was based on clinical examination and Panoramic radiographs of children who visited the Pediatric dentistry clinics at King Khalid University College of Dentistry, Saudi Arabia...
December 2016: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/27896208/relationship-between-maturation-indices-and-morphology-of-the-midpalatal-suture-obtained-using-cone-beam-computed-tomography-images
#16
Hong-Ik Jang, Sang-Cheol Kim, Jong-Moon Chae, Kyung-Hwa Kang, Jin-Woo Cho, Na-Young Chang, Keun-Young Lee, Jin-Hyoung Cho
OBJECTIVE: The purpose of this study was to determine whether predicting maturation of the midpalatal suture is possible by classifying its morphology on cone-beam computed tomography (CBCT) images and to investigate relationships with other developmental age indices. METHODS: The morphology of the midpalatal suture was assessed by using CBCT images of 99 patients. Axial plane images of the midpalatal suture were classified into five stages according to the classification scheme...
November 2016: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/27881042/correlation-between-spheno-occipital-synchondrosis-dental-age-chronological-age-and-cervical-vertebrae-maturation-in-turkish-population-is-there-a-link
#17
Husniye Demirturk Kocasarac, Ayse Burcu Altan, Canan Yerlikaya, Alper Sinanoglu, Marcel Noujeim
OBJECTIVE: To assess the correlation between third molar mineralization (TMM), spheno-occipital synchondrosis (SOS) fusion, chronologic age and cervical vertebrae maturation (CVM) for skeletal maturation. MATERIALS AND METHODS: Radiographs for 116 patients between 8 and 28 years were evaluated for age determination using mandibular TMM, SOS fusion and CVM. Spearman Correlation and Kappa test analyses were used to assess the relationship between variables and for intraobserver reliability...
March 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/27833792/effects-of-co2-laser-irradiation-on-matrix-rich-biofilm-development-formation-an-in-vitro-study
#18
Bruna Raquel Zancopé, Vanessa B Dainezi, Marinês Nobre-Dos-Santos, Sillas Duarte, Vanessa Pardi, Ramiro M Murata
BACKGROUND: A carbon dioxide (CO2) laser has been used to morphologically and chemically modify the dental enamel surface as well as to make it more resistant to demineralization. Despite a variety of experiments demonstrating the inhibitory effect of a CO2 laser in reduce enamel demineralization, little is known about the effect of surface irradiated on bacterial growth. Thus, this in vitro study was preformed to evaluate the biofilm formation on enamel previously irradiated with a CO2 laser (λ = 10...
2016: PeerJ
https://www.readbyqxmd.com/read/27814775/a-metal-artifact-reduction-method-for-a-dental-ct-based-on-adaptive-local-thresholding-and-prior-image-generation
#19
Mohamed A A Hegazy, Min Hyoung Cho, Soo Yeol Lee
BACKGROUND: Metal artifacts appearing as streaks and shadows often compromise readability of computed tomography (CT) images. Particularly in a dental CT in which high resolution imaging is crucial for precise preparation of dental implants or orthodontic devices, reduction of metal artifacts is very important. However, metal artifact reduction algorithms developed for a general medical CT may not work well in a dental CT since teeth themselves also have high attenuation coefficients...
November 4, 2016: Biomedical Engineering Online
https://www.readbyqxmd.com/read/27812777/acromegaly-clinical-features-at-diagnosis
#20
REVIEW
Lucio Vilar, Clarice Freitas Vilar, Ruy Lyra, Raissa Lyra, Luciana A Naves
BACKGROUND: Acromegaly is a rare and underdiagnosed disorder caused, in more than 95% of cases, by a growth hormone (GH)-secreting pituitary adenoma. The GH hypersecretion leads to overproduction of insulin-like growth factor 1 (IGF-1) which results in a multisystem disease characterized by somatic overgrowth, multiple comorbidities, physical disfigurement, and increased mortality. OBJECTIVE: This article aims to review the clinical features of acromegaly at diagnosis...
February 2017: Pituitary
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