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https://read.qxmd.com/read/30875852/oculo-facio-cardio-dental-syndrome-a-case-report-about-a-rare-pathological-condition
#1
José Martinho, Hugo Ferreira, Siri Paulo, Anabela Paula, Carlos-Miguel Marto, Eunice Carrilho, Manuel Marques-Ferreira
(1) Background: Oculo-facio-cardio-dental (OFCD) syndrome is a rare pathological condition with an X-linked dominant trait that only occurs in females; no males are born with OFCD syndrome. This syndrome is characterized by congenital cataracts with secondary glaucoma ocular defects, ventricular and atrial septal defects, or mitral valve prolapses. Facial traits are a long narrow face and a high nasal bridge with a bifid nasal tip. Dental anomalies include radiculomegaly, oligodontia, root dilacerations, malocclusion, and delayed eruption...
March 14, 2019: International Journal of Environmental Research and Public Health
https://read.qxmd.com/read/30875849/effects-of-finish-line-design-and-fatigue-cyclic-loading-on-phase-transformation-of-zirconia-dental-ceramics-a-qualitative-micro-raman-spectroscopic-analysis
#2
Roberto Sorrentino, Chiara Ottavia Navarra, Roberto Di Lenarda, Lorenzo Breschi, Fernando Zarone, Milena Cadenaro, Gianrico Spagnuolo
OBJECTIVES: Stresses produced during the fabrication of copings and by chewing activity can induce a tetragonal-to-monoclinic (t⁻m) transformation of zirconia. As a consequence, in the m-phase, the material is not able to hinder possible cracks by the favorable mechanism known as "transformation toughening". This study aimed at evaluating if different marginal preparations of zirconia copings can cause a premature phase transformation immediately after manufacturing milling and after chewing simulation...
March 14, 2019: Materials
https://read.qxmd.com/read/30865125/vascularized-combined-with-nonvascularized-fibula-flap-for-mandibular-reconstruction-preliminary-results-of-a-novel-technique
#3
Bo Lin, Hongyu Yang, Huijun Yang, Shiyue Shen
BACKGROUND: Repair of long-span mandibular defects with vascularized free fibular grafts is now a routine procedure. Vertical discrepancy between a graft segment and the occlusal plane can be resolved through several options, including delayed onlay bone graft, iliac bone reconstruction, fibula distraction, and double-barrel fibula flap grafts. The present study (level of evidence: level IV, case series) introduces a new method for mandibular augmentation, wherein a vascularized fibular segment was used to simulate the superior alveolar ridge of the neomandible, whereas a nonvascularized fibular segment was used to reconstruct the inferior border...
March 6, 2019: Journal of Craniofacial Surgery
https://read.qxmd.com/read/30864821/influence-of-cone-beam-ct-volume-orientation-on-alveolar-bone-measurements-in-patients-with-different-facial-profiles
#4
Eliana Dantas Costa, Priscila Dias Peyneau, Glaucia Maria Bovi Ambrosano, Matheus Oliveira
OBJECTIVES: To evaluate the influence of cone beam computed tomography (CBCT) volume orientation on alveolar bone measurements for dental implant planning using CBCT in patients with different facial profiles. METHODS: Seventy-four CBCT volumes were selected from a database and classified according to the facial profile of the patient. Height and width measurements of the alveolar bone were carried out with the volume of the mandible in two different orientations: occlusal plane and mandibular base parallel to the horizontal plane...
March 13, 2019: Dento Maxillo Facial Radiology
https://read.qxmd.com/read/30862870/functional-stability-analyses-of-maxillofacial-skeleton-bearing-cleft-deformities
#5
Xiangyou Luo, Hanyao Huang, Xing Yin, Bing Shi, Jingtao Li
The symmetrically stable craniofacial bony structure supports the complex functions and delicate contour of the face. Congenital craniofacial deformities are often accompanied by bony defects and have been repetitively correlated with compromised dento-maxillary stability, but neither the extent nor the pattern of cleft-related maxillary instability has been explored in detail. Furthermore, it is largely unknown if the bony defect and related instability are correlated with secondary maxillary deformity common among patients with orofacial clefts...
March 12, 2019: Scientific Reports
https://read.qxmd.com/read/30862801/dental-integration-and-modularity-in-pinnipeds
#6
Mieczyslaw Wolsan, Satoshi Suzuki, Masakazu Asahara, Masaharu Motokawa
Morphological integration and modularity are important for understanding phenotypic evolution because they constrain variation subjected to selection and enable independent evolution of functional and developmental units. We report dental integration and modularity in representative otariid (Eumetopias jubatus, Callorhinus ursinus) and phocid (Phoca largha, Histriophoca fasciata) species of Pinnipedia. This is the first study of integration and modularity in a secondarily simplified dentition with simple occlusion...
March 12, 2019: Scientific Reports
https://read.qxmd.com/read/30859408/in-vitro-evaluation-of-microleakage-in-primary-teeth-restored-with-three-adhesive-materials-activa%C3%A2-composite-resin-and-resin-modified-glass-ionomer
#7
A I Amaireh, S H Al-Jundi, H A Alshraideh
PURPOSE: Microleakage is one of the most important problems that can adversely affect the longevity of dental restorations. The aim of this in vitro study is to assess microleakage of a new BioActive-Restorative composite (ACTIVA™, Pulpdent, USA), in comparison to standard adhesive materials used in restoring class II cavities in primary teeth. DESIGN: One hundred and four extracted human primary molars were randomly allocated into three groups. In each group, class II cavities were prepared and restored with one of the three restorative materials: ACTIVA, Filtek Z250, or Vitremer...
March 11, 2019: European Archives of Paediatric Dentistry: Official Journal of the European Academy of Paediatric Dentistry
https://read.qxmd.com/read/30854837/condylar-dysfunctional-remodeling-and-recortication-a-case-control-study
#8
Roberto Conte, Filippo Forin Valvecchi, Antonio L Gracco, Giovanni Bruno, Alberto De Stefani
BACKGROUND: Temporo-mandibular disorders (TMD) is a collective term comprehending different clinical issues involving masticatory muscles, temporo-mandibular joint (TMJ) and other associated structures. TMD diagnosis is not made for its pathogenesis or etiology, but mainly on clinical symptoms. Primary dysfunction develops mostly on four factors: individual predisposition, high psychomotor activity (due to stress or parafunction), occlusal instability and low or absent tissue adaptation capability...
April 2019: Minerva Stomatologica
https://read.qxmd.com/read/30853140/clinical-evaluation-of-laboratory-made-and-cad-cam-fabricated-occlusal-devices-to-treat-oral-parafunction
#9
Silvia Brandt, Jan Brandt, Hans-Christoph Lauer, Anna Kunzmann
STATEMENT OF PROBLEM: The demand for occlusal devices to treat oral parafunction is rising. Conventionally, these occlusal devices are produced in the dental laboratory, which requires impressions and gypsum casts. Computer-aided design and computer-aided manufacturing (CAD-CAM) require fewer production steps and may offer greater comfort. Whether this is an improvement on conventional procedures is unclear. PURPOSE: The purpose of this crossover clinical study was to examine whether a digital workflow is feasible for fabricating occlusal devices to treat oral parafunction and to compare CAD-CAM-fabricated occlusal devices with conventionally produced ones to determine whether the digital method provides better results...
March 7, 2019: Journal of Prosthetic Dentistry
https://read.qxmd.com/read/30844126/superimposition-of-maxillary-digital-models-using-the-palatal-rugae-does-aging-affect-the-reliability
#10
D Garib, F Miranda, M S Yatabe, J R P Lauris, C Massaro, J A McNamara, H Kim-Berman, G Janson, R G Behrents, L H S Cevidanes, A C O Ruellas
OBJECTIVES: The aim of this study was to evaluate the reliability of 3-dimensional maxillary dental changes using two methods of digital model superimposition. SETTING AND SAMPLE POPULATION: The Department of Orthodontics of Bauru Dental School, University of São Paulo and University of Michigan Craniofacial Growth Center. Fifteen subjects with normal occlusion. MATERIAL & METHODS: The sample was composed of digital study models of 15 normal occlusion subjects taken at 13 (T1), 18 (T2) and 60 years of age (T3)...
March 7, 2019: Orthodontics & Craniofacial Research
https://read.qxmd.com/read/30842964/long-term-follow-up-of-a-patient-with-venlafaxine-induced-diurnal-bruxism-treated-with-an-occlusal-splint-a-case-report
#11
Jia-Min Chen, Ying Yan
BACKGROUND: Bruxism is a jaw-muscle activity characterized by the clenching or grinding of teeth. It can be divided into nocturnal bruxism and diurnal bruxism (DB). DB secondary to antidepressants is rare and refractory. Reports associated with antidepressant-induced DB are mostly anecdotal without long-term follow-up. The effect of drug intervention on antidepressant-induced DB is still contested. We herein report the first case of successful treatment of venlafaxine-induced DB with an occlusal splint...
February 26, 2019: World Journal of Clinical Cases
https://read.qxmd.com/read/30835974/investigation-of-the-determinants-of-the-mandibular-cortical-morphology
#12
Nagihan Koç, Leyla Berna Çağırankaya
BACKGROUND: The mandibular cortical index (MCI) is a measurement based on the visual assessment of changes in the morphology of the mandibular cortex on panoramic radiographs. OBJECTIVES: The present study aimed to investigate age, gender, dental status (DS), occlusal function, and presence of torus mandibularis (TM) as variables that might have a possible effect on MCI. MATERIAL AND METHODS: A total of 381 patients (155 men and 226 women) aged 21-84 years (mean age: 43...
March 5, 2019: Dental and Medical Problems
https://read.qxmd.com/read/30826045/orthodontic-management-of-a-patient-with-short-root-anomaly-and-impacted-teeth
#13
Meenakshi Vishwanath, Po-Jung Chen, Madhur Upadhyay, Sumit Yadav
Short root anomaly (SRA) is a rare familial dental condition that is often misdiagnosed. Orthodontic treatment of patients with SRA is challenging because it is difficult to diagnose, it may be accompanied by other dental anomalies, and it has been reported to contribute to additional susceptibility to root resorption during orthodontic treatment. In this article, we describe a methodical and evidence-based means of diagnosing and orthodontically managing a patient with SRA. The patient had additional challenges, including impacted and ectopic teeth...
March 2019: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/30826040/association-between-incisor-irregularity-and-coronal-caries-a-population-based-study
#14
Ahmed A Alsulaiman, David S Briss, Goli K Parsi, Leslie A Will
INTRODUCTION: The objective of this study was to investigate the association between incisor irregularity and anterior coronal caries by means of an arch-specific analysis among the U.S. population in the National Health and Nutritional Examination Survey (NHANES III) 1988-1994. METHODS: This study analyzed data from 9049 participants who were surveyed from 1988 to 1994 as a part of the NHANES III. Participants with a complete set of fully erupted permanent anterior teeth in the maxillary and mandibular segments (ie, canine to canine), who completed an examination of occlusal characteristics and anterior dental caries, and who reported no previous orthodontic treatment were included in the study...
March 2019: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/30826037/anchorage-loss-assessment-of-the-indirect-anchor-tooth-during-adjunctive-orthodontic-treatment
#15
Woowon Jang, Yoon Jeong Choi, Soonshin Hwang, Chooryung J Chung, Kyung-Ho Kim
INTRODUCTION: This study quantitatively assessed movement of anchor teeth connected to a miniscrew (indirect anchor tooth) and investigated factors affecting movement during adjunctive orthodontic treatment. METHODS: Dental plaster models of 28 patients whose treatment included an indirect anchor tooth on one side were collected before and after treatment. The casts were digitally scanned, and 2 groups were constituted: the indirect anchor teeth (experimental group; n = 52) and the untreated teeth (control group; the first and second premolars opposing the indirect anchor tooth to which no orthodontic force was applied; n = 55)...
March 2019: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/30817516/effectiveness-of-a-piezoelectric-assisted-distraction-osteogenesis-procedure-for-the-treatment-of-ankylosed-permanent-front-teeth
#16
Luca Ramaglia, Marco Cicciù, Emilio Fiorentino, Raffaele Saviano, Andrea Blasi, Gabriele Cervino, Gaetano Isola
A common complication of tooth replantation after traumatic avulsion is tooth ankylosis causing dental malpositioning, partial loss of function, tipping of adjacent teeth and worsening of aesthetics. The aim of this study is to evaluate the effects of a repositioning procedure of such ankylosed permanent front teeth by a distraction osteogenesis procedure. Five patients (mean age 13.4 years), with an ankylosed permanent front tooth in the anterior area, were enrolled in the present study. After the pre-operatory orthodontic preparation, each selected site was treated with single-tooth dento-alveolar block osteotomy surgery performed with a piezoelectric surgery device with ultrasonic cuts on the buccal side...
February 25, 2019: Journal of Craniofacial Surgery
https://read.qxmd.com/read/30813621/awareness-of-clenching-and-underweight-are-risk-factors-for-onset-of-crowding-in-young-adults-a-prospective-3-year-cohort-study
#17
Naoki Toyama, Daisuke Ekuni, Ayano Taniguchi-Tabata, Kota Kataoka, Mayu Yamane-Takeuchi, Kohei Fujimori, Terumasa Kobayashi, Daiki Fukuhara, Koichiro Irie, Tetsuji Azuma, Yoshiaki Iwasaki, Manabu Morita
Bruxism is a parafunctional activity that can seriously affect quality of life. Although bruxism induces many problems in the oral and maxillofacial area, whether it contributes to the onset of malocclusion remains unclear. The purpose of this prospective cohort study was to investigate the association between the onset of malocclusion and awareness of clenching during the daytime in young adults. Among 1,092 Okayama University students who underwent normal occlusion at baseline, we analysed 238 who had undergone a dental examination and had complete data after 3 years (2013⁻2016)...
February 26, 2019: International Journal of Environmental Research and Public Health
https://read.qxmd.com/read/30810236/near-infrared-multispectral-endoscopic-imaging-of-deep-artificial-interproximal-lesions-in-extracted-teeth
#18
Yaxuan Zhou, Robert C Lee, Sara Finkleman, Alizera Sadr, Eric J Seibel
BACKGROUND AND OBJECTIVE: A safer alternative method to radiographic imaging is needed. We present a multispectral near-infrared scanning fiber endoscope (nirSFE) for dental imaging which is designed to be the smallest imaging probe with near-infrared (NIR) imaging (1200-2000 nm). MATERIALS AND METHODS: The prototype nirSFE is designed for wide-field forward viewing of scanned laser illumination at 1310, 1460, or 1550 nm. Artificial lesions with varying sizes and locations were prepared on proximal surfaces of extracted human teeth to examine capability and limitation of this new dental imaging modality...
February 27, 2019: Lasers in Surgery and Medicine
https://read.qxmd.com/read/30808372/occlusal-height-difference-between-maxillary-central-and-lateral-incisors-should-aesthetic-perception-influence-bracket-placement
#19
Jan Hourfar, Dirk Bister, Björn Ludwig, Gero Kinzinger, Jörg Alexander Lisson
BACKGROUND: The aim of this study was to verify anecdotal evidence that the maxillary central-to-lateral occlusal height difference (OHD) of more than 0.5 mm is a feature displayed in the majority of media and to discuss its implications for individualized orthodontic treatment planning. METHODS: Photographs of smiling female models were collected from a variety of printed advertisements and allocated to 3 groups (n = 30 each): 1 dental, 2 fashion and 3 orthodontics...
February 26, 2019: Head & Face Medicine
https://read.qxmd.com/read/30807862/the-use-of-botulinum-toxin-a-in-the-treatment-of-muscular-temporomandibular-joint-disorders
#20
Aylin Sipahi Calis, Zafer Colakoglu, Sevtap Gunbay
Introduction Botulinum toxin has been used mainly in the treatment of muscular temporomandibular joint disorders (TMD) and hyperactivity of the masticatory muscles. It is used also as a therapeutic option to relieve pain and help in functional recovery from dental and oral and maxillofacial surgery. The aim of our study was to investigate the efficacy of botulinum toxin injection in the treatment of muscular TMD. Materials and Methods Of the 200 temporomandibular joint patients who applied for treatment, 25 patients with muscular dysfunction of the origin were included in the study...
February 23, 2019: Journal of Stomatology, Oral and Maxillofacial Surgery
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