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https://www.readbyqxmd.com/read/28635076/supernumeraries-in-nicolaides-baraitser-syndrome
#1
Bouthayna Al-Tamimi, Stefan Abela, Huw G Jeremiah, Robert D Evans
BACKGROUND: Nicolaides-Baraitser Syndrome(NCBRS) is an extremely rare condition which has been reported in only a few cases. NCBRS is a distinct clinical condition with typical clinical features of pre- and post-natal global developmental delay, impaired speech, and seizures. Microcephaly, sparse hair, anteverted alae nasi, undefined philtrum, prominence of distal phalanges and interphalangeal joints, and short metacarpals are also typical of NCBRS. CASE REPORT: There are no reported cases in the literature of patients with NCBRS presenting with multiple dental impactions, and to the authors' knowledge, this is the 28th fully documented case of NCBRS and only 75 cases identified as potentially having NCBRS...
June 21, 2017: International Journal of Paediatric Dentistry
https://www.readbyqxmd.com/read/28633093/fracture-resistance-of-ceramic-and-polymer-based-occlusal-veneer-restorations
#2
Majed Al-Akhali, Mohamed Sad Chaar, Adham Elsayed, Abdulaziz Samran, Matthias Kern
OBJECTIVES: The purpose of this in vitro study was to evaluate the influence of thermodynamic loading on the durability and fracture resistance behavior of occlusal veneers fabricated from different biomedical dental CAD/CAM materials. METHODS: The occlusal surfaces of 64 extracted premolars were prepared in the enamel layer and restored with occlusal veneers with a fissure/cusp thickness of 0.5/0.8mm made from four different dental CAD/CAM materials: group LD lithium disilicate (e...
June 13, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28626287/high-contrast-reflectance-imaging-of-composite-restorations-color-matched-to-tooth-structure-at-1000-2300-nm
#3
William A Fried, Jacob C Simon, Cynthia L Darling, Oanh Le, Daniel Fried
A major advantage of composite restoration materials is that they can be color matched to the tooth. However, this presents a challenge when composites fail and they need to be replaced. Dentists typically spend more time repairing and replacing composites than placing new restorations. We have shown in previous studies that high-contrast images of composite can be acquired in occlusal transmission mode at near-IR wavelengths coincident with higher water absorption. The purpose of this study was to determine if similar high-contrast images can be acquired in reflectance mode at longer wavelengths where water absorption is even higher...
January 28, 2017: Proceedings of SPIE
https://www.readbyqxmd.com/read/28625857/validation-of-the-visible-occlusal-plaque-index-vopi-in-estimating-caries-lesion-activity
#4
J C Carvalho, H D Mestrinho, L S Oliveira, M M Varjão, N Aimée, V Qvist
OBJECTIVE: The present study appraises the construct validity of the Visible Occlusal Plaque Index (VOPI) along with its sub-types, convergent and discriminant validity. METHODS: 618 10-15year old Brazilian adolescents were included. The VOPI has a four-point ordinal scale ranging from no plaque to heavy plaque. VOPI scores and caries status on permanent molars were mapped and recorded at individual anatomical sites of the groove-fossa-system and at surface level...
June 15, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28622400/prevalence-of-malocclusion-and-distribution-of-occlusal-characteristics-in-13-to-18-year-old-adolescents-attending-selected-high-schools-in-the-municipality-of-san-juan-pr-2012-2013
#5
Karla Alvarado, Lydia López, Rosana Hanke, Francis Picón, Sona Rivas-Tumanyan
OBJECTIVE: A cross-sectional study was conducted (2012-2013) to evaluate the prevalence of 1) malocclusion and 2) occlusal characteristics in 13- to 18-yearold adolescents in San Juan, Puerto Rico (PR) from selected high schools in the municipality of San Juan. METHODS: The study sample consisted of 155 adolescents. The University of Puerto Rico's IRB approved the study and consent and assent were completed for or by each participant, as applicable. A calibrated dentist performed a single-visit dental evaluation at each school...
June 2017: Puerto Rico Health Sciences Journal
https://www.readbyqxmd.com/read/28622039/determinants-for-craniofacial-pains-in-children-6-8-years-of-age-the-panic-study
#6
Anu Vierola, Anna Liisa Suominen, Aino-Maija Eloranta, Niina Lintu, Tiina Ikävalko, Matti Närhi, Timo A Lakka
OBJECTIVE: Determinants for orofacial pain, headache, morning headache and painful signs of temporomandibular disorders (TMD) were investigated in prepubertal children. MATERIAL AND METHODS: The participants were a population sample of 439 children aged 6-8 years. Craniofacial pains, eating meals and snacks, sleep bruxism, sleep quality, sleep-disordered breathing (SDB), psychological well-being, parental education and household income were assessed by questionnaires filled out by the parents...
June 16, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28621269/tooth-wear-patterns-among-khat-and-shammah-users-in-jazan-city-kingdom-of-saudi-arabia-a-cross-sectional-survey
#7
Mohammed E Sayed, Ammar D Hamdi, Bassam M Hakami, Maryam H Mugri, Shilpa H Bhandi
AIM: The effect of Khat and Shammah habits, with the para-functional jaw activities that accompany them, on the structure and integrity of the natural dentition has not yet been investigated. The literature lacks studies that identify the patterns of tooth wear among Khat and Shammah users. Therefore, this study is the first attempt to address this concern in Jazan City population, Kingdom of Saudi Arabia. MATERIALS AND METHODS: A cross-sectional survey study was conducted among 300 recruits among dental clinics in Jazan City, Kingdom of Saudi Arabia from October 1, 2015, to April 30, 2016...
June 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28602035/severe-root-resorption-of-the-upper-central-incisors-as-a-consequence-of-playing-the-flute
#8
Laszlo Seres, Eva Vetro, Janos Perenyi, Andras Kocsis
This paper presents a case of severe root resorption of the maxillary central incisors in an 18-year-old woman who was referred for orthodontic treatment of irregular dental arches. A detailed history revealed that she used to play the block flute on an everyday basis during childhood. Against all warnings, she continued to firmly press her teeth into the mouthpiece of the instrument. Impressions of the upper central incisors were clearly visible on the instrument. Although it is well known that excessive occlusal forces can result in root resorption, to the authors' knowledge, this case involves one of the first reported occurrences of extensive root resorption that was most likely caused by playing a wind instrument during childhood...
June 11, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28600812/temporomandibular-disorders-and-dental-occlusion-a-systematic-review-of-association-studies-end-of-an-era
#9
REVIEW
Daniele Manfredini, Luca Lombardo, Giuseppe Siciliani
AIM: To answer a clinical research question: "is there any association between features of dental occlusion and temporomandibular disorders (TMD)?" METHODS: A systematic literature review was performed. Inclusion was based on: 1. the type of study, viz., clinical studies on adults assessing the association between TMD (e.g., signs, symptoms, specific diagnoses) and features of dental occlusion by means of single or multiple variable analysis, and 2. their internal validity, viz...
June 10, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/28598189/translation-and-validation-of-the-italian-version-of-the-psychosocial-impact-of-dental-aesthetics-questionnaire-pidaq-among-adolescents
#10
R Bucci, R Rongo, E Zito, R Valletta, A Michelotti, V D'anto
AIM: The Psychosocial Impact of Dental Aesthetics Questionnaire (PIDAQ) is a valid tool aiming to evaluate the self-reported influence of dental aesthetics on quality of life. This questionnaire was developed in English for young adults, and later translated and validated with an Italian population. A new version of the questionnaire was recently introduced to be used in adolescents (11-17 years- old), but it had not been translated in Italian yet. Hence, the purpose of this study was to translate, cross-culturally adapt and validate the PIDAQ for adolescents, for its use among Italian subjects...
June 2017: European Journal of Paediatric Dentistry: Official Journal of European Academy of Paediatric Dentistry
https://www.readbyqxmd.com/read/28598185/three-dimensional-longitudinal-changes-of-maxilla-and-mandible-morphology-during-the-predental-period
#11
T Kihara, Y Kaihara, S Iwamae, N Niizato, S Gion, T Taji, K Kozai, H Nikawa
AIM: The purpose of this study was to longitudinally analyse the morphology of maxilla and mandible over time in infants using a three-dimensional (3D) surface scanner. MATERIALS AND METHODS: Seventeen Japanese full-term infants participated in the study. Dental plaster models were fabricated every 3 months from 1 month of age to 12 months. The plaster models were scanned using the 3D surface scanner to create 3D models. The arch width, arch length, arch angle, palatal depth and palatal area of the 3D models were analysed...
June 2017: European Journal of Paediatric Dentistry: Official Journal of European Academy of Paediatric Dentistry
https://www.readbyqxmd.com/read/28597965/fracture-resistance-of-zirconia-based-all-ceramic-crowns-after-bur-adjustment
#12
Stefan Rues, Franz S Schwindling, Andre Meyer, Peter Rammelsberg, Marc Schmitter
Intra-oral grinding is often required to optimize occlusion of all-ceramic restorations. The effect of burs of different grit size on the fracture resistance of veneered zirconia crowns was investigated in this study. Forty-eight standardized zirconia copings were produced. The ceramic veneer was designed with a positive ellipsoidal defect on the palatal aspect of the crowns. To simulate adjustment of dental restorations by burs, this palatal defect was removed by use of three different diamond-coated burs with grit sizes 46, 107, or 151 μm (fine, medium, or coarse, respectively)...
June 9, 2017: European Journal of Oral Sciences
https://www.readbyqxmd.com/read/28587977/combination-of-straight-and-tilted-implants-for-supporting-screw-retained-dental-prostheses-in-atrophic-posterior-maxillae-a-2-year-prospective-study
#13
Juan-Carlos Casar-Espinosa, Raquel Castillo-Oyagüe, María Ángeles Serrera-Figallo, Roberto Garrido-Serrano, Christopher D Lynch, Manuel Menéndez-Collar, Daniel Torres-Lagares, José-Luis Gutiérrez-Pérez
OBJECTIVES: To evaluate the two-year survival rate (SR) and marginal bone loss (MBL) of fixed dental prostheses (FDPs) supported by straight (S) and tilted (T) implants under the influence of diverse study variables. METHODS: A prospective investigation comprising 21 patients provided with a total of 27 maxillary screw-retained restorations fixed to 70 dental implants was developed. Two groups of implants were considered depending on their inclination with respect to the occlusal plane: Group 1 (S, n=37): straight/axial implants and Group 2 (T, n=33): tilted/angled fixations...
June 3, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28586611/occlusal-outcome-of-non-extraction-and-all-first-premolars-extraction-treatment-in-patients-with-class-i-malocclusion
#14
Adeel Tahir Kamal, Attiya Shaikh, Mubassar Fida
OBJECTIVE: Class-1 malocclusion commonly presents with crowding and poses an aesthetic concern to patients. An orthodontist may encounter a variety of dental problems and must handle them strategically to establish adequate occlusal relationships. Hence, this study was conducted to evaluate the occlusal characteristics of patients who have undergone non-extraction or all first premolars extraction treatment for class I malocclusion using the peer assessment rating (PAR) index. METHODS: The pre-treatment and post treatment dental casts of 94 subjects with class-I malocclusion were retrospectively screened...
October 2016: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28586579/exploration-of-variations-in-positions-of-upper-and-lower-incisors-overjet-overbite-and-irregularity-index-in-orthodontic-patients-with-dissimilar-depths-of-curve-of-spee
#15
Nita Kumari, Mubassar Fida, Attiya Shaikh
OBJECTIVE: The position and arrangement of teeth as well as the entire scheme of occlusion differs from one individual to the other .The purpose of this study was to examine differences in position and inclination of incisors, overjet, overbite and lower arch crowding in subjects with different depths of curve of Spee and to determine correlations between depth of curve of Spee and these variables. METHODS: The sample comprised of 114 patients (55 females and 59 males) with fully erupted permanent second molars (age 12-25 years), having no history of previous orthodontic treatment, no craniofacial anomalies, and no missing permanent teeth...
October 2016: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28582293/alveolar-bone-grafting-changes-the-inclination-of-teeth-and-affects-malocclusion-in-patients-with-unilateral-alveolar-cleft
#16
Jeenam Kim, Hyojeong Shin, Ki-Il Uhm, Donghyeok Shin, Hyungon Choi
INTRODUCTION: Alveolar bone grafting not only stabilizes the alveolar arch, but also provides positive aesthetic outcomes. However, there have been no reports about the inclinations of the incisor and canine or the change in occlusion after alveolar bone grafting. Therefore, the purpose of this study is to analyze the effects of alveolar bone grafting on tooth angles and changes in occlusion in patients with a unilateral alveolar cleft, using three-dimensional computed tomography. METHODS: The authors retrospectively studied alveolar bone grafts performed in Konkuk University Medical Center between January 2008 and January 2013...
June 2, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28581062/dental-evidence-for-wild-tuber-processing-among-titicaca-basin-foragers-7000-ybp
#17
James T Watson, Randall Haas
OBJECTIVES: The objective of this work is to characterize dental wear in a skeletal sample dating to the Middle/Late Archaic period transition (8,000-6,700 cal. B.P.) from the Lake Titicaca Basin, Peru to better define subsistence behaviors of foragers prior to incipient sedentism and food production. MATERIALS AND METHODS: The dental sample consists of 251 teeth from 11 individuals recovered from the site of Soro Mik'aya Patjxa (SMP), the earliest securely dated burial assemblage in the Lake Titicaca Basin and the only burial assemblage in the region from an unequivocal forager context...
June 5, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28577371/prevalence-of-torus-mandibularis-in-young-healthy-dentate-adults
#18
Koji Morita, Hiroki Tsuka, Tomoaki Shintani, Mitsuyoshi Yoshida, Hidemi Kurihara, Kazuhiro Tsuga
PURPOSE: There have been only a few reports on the prevalence of torus mandibularis (TM) in young adult patients, and TM can have various adverse effects on oral and occlusal states in middle-age patients. This study was designed to determine the association between TM status and oral and occlusal states in young healthy dentate adults. MATERIALS AND METHODS: This was a cross-sectional study; the sample population included students at Hiroshima University (Hiroshima, Japan) who participated for practical education...
May 10, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28576560/the-study-of-dental-occlusion-in-ancient-skeletal-remains-from-mallorca-spain-a-new-approach-based-on-dental-clinical-practice
#19
E Fiorin, P Ibáñez-Gimeno, J Cadafalch, A Malgosa
Occlusal characteristics, fundamental to assess the presence of malocclusion, have been often unexplored in bioarchaeological analyses. This is largely due to the fragmented condition of the skeletal remains. By applying a method that considers dental and maxillary features useful to evaluate occlusion in ancient fragmentary material, the purpose of this work is to define the occlusal features and explore the causes of malocclusion in a mediaeval population from Mallorca. The findings of this study suggest that normocclusion was present in ca...
May 10, 2017: Homo: Internationale Zeitschrift Für die Vergleichende Forschung Am Menschen
https://www.readbyqxmd.com/read/28573552/autogenous-bone-grafts-in-oral-implantology-is-it-still-a-gold-standard-a-consecutive-review-of-279-patients-with-456-clinical-procedures
#20
Andreas Sakkas, Frank Wilde, Marcus Heufelder, Karsten Winter, Alexander Schramm
BACKGROUND: This study assessed the clinical outcomes of graft success rate and early implant survival rate after preprosthetic alveolar ridge reconstruction with autologous bone grafts. METHODS: A consecutive retrospective study was conducted on all patients who were treated at the military outpatient clinic of the Department of Oral and Plastic Maxillofacial Surgery at the military hospital in Ulm (Germany) in the years of 2009 until 2011 with autologous bone transplantation prior to secondary implant insertion...
December 2017: International Journal of Implant Dentistry
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