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https://www.readbyqxmd.com/read/29349910/accuracy-of-a-new-elastomeric-impression-material-for-complete-arch-dental-implant-impressions
#1
Mirza R Baig, Muaiyed M Buzayan, Norsiah Yunus
AIM: The aim of the present study was to assess the accuracy of multi-unit dental implant casts obtained from two elastomeric impression materials, vinyl polyether silicone (VPES) and polyether (PE), and to test the effect of splinting of impression copings on the accuracy of implant casts. METHODS: Forty direct impressions of a mandibular reference model fitted with six dental implants and multibase abutments were made using VPES and PE, and implant casts were poured (N = 20)...
January 18, 2018: Journal of Investigative and Clinical Dentistry
https://www.readbyqxmd.com/read/29345723/anatomical-characteristics-of-the-lingual-foramen-in-ancient-skulls-a-cone-beam-computed-tomography-study-in-an-anatolian-population
#2
Kemal Özgür Demiralp, Seval Bayrak, Mukadder Orhan, Arzu Alan, Emine Şebnem Kurşun Çakmak, Kaan Orhan
BACKGROUND: The purpose of this study is to evaluate the anatomical features of lingual foramina and their bony canals in Anatolian ancient mandibles which belong to 9-10th century by using cone beam computed tomography (CBCT). MATERIALS AND METHODS: 58 ancient dry mandibles were scanned with CBCT. Lingual foramina were grouped into midline, paramedian, posterior foramina and combination of these groups. Midline group was also classified according to internal surface of the mandible (gonial tubercles)...
January 18, 2018: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/29345049/cryolipolysis-for-the-treatment-of-submental-fat-review-of-the-literature
#3
REVIEW
Shari R Lipner
BACKGROUND: Submental fat accumulation is a common cosmetic concern. Cryolipolysis utilizes noninvasive cooling to lyse adipocytes. A cryolipolysis device was recently approved for treatment of submental fat. OBJECTIVE: This manuscript provides a review of the preclinical work and clinical trials related to cryolipolysis for the treatment of submental fat. Settings, efficacy, and side effects are also discussed. MATERIALS AND METHODS: A literature search was performed through Pubmed, EMBASE, Web of Science, and CINAHL, using the search terms "cryolipolysis," "submental," and "paradoxical adipose hyperplasia"...
January 17, 2018: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/29344172/potential-factors-influencing-the-development-of-oral-tongue-squamous-cell-carcinoma-in-young-mature-patients-lingual-position-of-the-mandibular-second-molar-and-narrow-tongue-space
#4
Yusoon Kim, Kohei Okuyama, Yasuyuki Michi, Yoshio Ohyama, Narikazu Uzawa, Satoshi Yamaguchi
The lingual position of the mandibular second molar and narrow tongue space are associated with oral tongue squamous cell carcinoma (OTSCC) development in young mature patients. The present study aimed to assess the role of the mandibular second molar position and tongue space in young mature patients with OTSCC. The medical records of 21 patients with OTSCC aged <50 years, who had an intact mandibular second molar and had undergone computed tomography (CT) imaging between April 2009 and December 2015 at the Section of Maxillofacial Surgery in Tokyo Medical and Dental University, were retrospectively examined...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29344134/a-novel-classification-system-for-the-evaluation-and-reconstruction-of-oral-defects-following-oncological-surgery
#5
Wei Wei Liu, Chu Yi Zhang, Jian Yin Li, Ming Fang Zhang, Zhu Ming Guo
Accurate evaluation of oral tissue defects following oncological surgery is necessary for the subsequent reconstruction. However, there is currently no effective classification system for oral defects in the clinical setting. The present study therefore developed a clinical classification system for the evaluation and reconstruction of oral defects. A retrospective cohort study was performed. A two-dimensional classification system based on coronal computed tomography/magnetic resonance imaging was developed and validated by 145 cases with oral defects...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29343898/assessment-of-temporomandibular-joint-dysfunction-in-condylar-fracture-of-the-mandible-using-the-helkimo-index
#6
S Suhas, Sharad Ramdas, P P Lingam, H R Naveen Kumar, Aashish Sasidharan, R Aadithya
Introduction: Condylar fractures of the mandible are functionally important fractures as the condyle of the mandible being a part of the temporomandibular joint (TMJ) and can lead to TMJ dysfunction if not properly treated. Materials and Methods: This was a cross-sectional study of a total of 33 treated patients with fracture of the mandibular condyle who underwent examination as per the Helkimo index. Their dysfunction was quantified and clinicoepidemiological characteristics were assessed...
May 2017: Indian Journal of Plastic Surgery: Official Publication of the Association of Plastic Surgeons of India
https://www.readbyqxmd.com/read/29343459/differing-structural-properties-of-foods-affect-the-development-of-mandibular-control-and-muscle-coordination-in-infants-and-young-children
#7
Meg Simione, Chrystel Loret, Benjamin Le Révérend, Brian Richburg, Mirna Del Valle, Marc Adler, Mireille Moser, Jordan R Green
The development of chewing is an essential motor skill that is continually refined throughout early childhood. From a motor control perspective, the advancement of textures is dependent upon the fit between a child's oral anatomic and motor system and food properties. The purpose of this exploratory study is to identify age-related changes in chewing motor coordination and control and to determine if these changes are associated with the differing structural properties of solid foods, as well as to explore the role of explanatory variables such as the emergence of teeth and bite force...
January 14, 2018: Physiology & Behavior
https://www.readbyqxmd.com/read/29343043/mandibular-pain-an-uncommon-radiation-for-cervical-facet-joint-syndrome
#8
Emanuele Piraccini, Helen Byrne, Morena Calli, Giovanni Musetti, Daniele Bellantonio, Ruggero M Corso, Stefano Maitan
No abstract text is available yet for this article.
January 17, 2018: Minerva Anestesiologica
https://www.readbyqxmd.com/read/29341976/cone-beam-ct-assessment-of-the-position-of-the-medial-lingual-foramen-for-dental-implant-placement-in-the-anterior-symphysis
#9
Arturo Sanchez-Perez, Paula Boix-Garcia, Pía Lopez-Jornet
OBJECTIVES: To determine the position of the mandibular medial lingual foramen with cone-beam CT (CBCT) 3D imaging modalities when implants are to be placed in the anterior symphysis of the mandible. MATERIALS AND METHODS: A total of 111 CBCTs were considered acceptable and analyzed. The variables measured were as follows: (1) length of the outlet duct; (2) distance from the canal to the buccal cortex; (3) distance from the canal to the inferior cortex; (4) distance from the canal to the lingual cortex; (5) distance from the canal to the alveoli of the nearest tooth in dentate patients and distance from the canal to the marginal crest in edentulous patients; (6) angle of the duct to the horizontal Frankfurt plane; (7) diameter of the exit orifice; and (8) output level of the socket in relation to the teeth and the presence of bifurcations...
January 16, 2018: Implant Dentistry
https://www.readbyqxmd.com/read/29340482/clear-cell-odontogenic-carcinoma-of-the-mandible-a-treatment-strategy
#10
Sabrina Ferreira, Leonardo Perez Faverani, Gabriel Mulinari Dos Santos, Everton Pontes Martins, Idelmo Rangel Garcia Júnior
Clear cell odontogenic carcinoma (CCOC) is a rare odontogenic tumor of the jaws, histologically characterized by the presence of agglomerates of cells with eosinophilic cytoplasm. The patient, a 62-year-old Caucasian woman, presented an intraosseous lesion in the mandibular symphysis. A clinical examination revealed a discrete volumetric increase with a hard consistency, palpable to extraoral and intraoral examinations. Imaging studies revealed an extensive radiolucent area, without defined limits, extending from the region of the right second premolar to the left canine...
January 15, 2018: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/29340481/evaluation-of-the-sealing-ability-of-different-root-canal-sealers-a-combined-sem-and-micro-ct-study
#11
Yan Huang, Kaan Orhan, Berkan Celikten, Ayşe Işıl Orhan, Pelin Tufenkci, Semra Sevimay
OBJECTIVE: The purpose of this study was to analyze the ability of multiple compounds to seal the dental tubules using scanning electron microscopy (SEM) and micro-computed tomogra-phy (micro-CT). MATERIAL AND METHODS: Twenty-four single-root human mandibular premolars were selected and instrumented with nickel-titanium rotary file and the final file size was #40/06. They were then randomly allocated into 2 groups, and all samples were filled with single cone gutta-percha (#40/06) and one of the tested sealers (AH Plus and EndoSequence BC sealers)...
January 15, 2018: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/29340354/implant-mandibular-overdentures-retained-by-immediately-loaded-implants-a-1-year-randomized-trial-comparing-patient-based-outcomes-between-mini-dental-implants-and-standard-sized-implants
#12
Kostas Zygogiannis, Irene Ha Aartman, Daniel Wismeijer
PURPOSE: The aim of this 1-year randomized trial was to determine the stability and the magnitude of the effect of converting patients' conventional mandibular dentures to implant overdentures (IODs) on their satisfaction and oral health-related quality of life (OHRQoL). The IODs were retained either with two immediately loaded interconnected standard-diameter implants or with four immediately loaded mini dental implants (MDIs). MATERIALS AND METHODS: Fifty completely edentulous subjects complaining about insufficient retention of their mandibular dentures were randomly assigned to two groups; 25 patients received IODs retained with four MDIs and 25 patients received IODs retained with two standard-sized tissue level (STL) interconnected implants...
January 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29340348/peri-implant-tissues-and-patient-satisfaction-after-treatment-of-vertically-augmented-atrophic-posterior-mandibles-with-intraoral-onlay-block-bone-grafts-a-retrospective-3-year-case-series-follow-up-study
#13
Amparo Aloy-Prósper, David Peñarrocha-Oltra, Maria Peñarrocha-Diago, Federico Hernández-Alfaro, Miguel Peñarrocha-Diago
PURPOSE: To evaluate the peri-implant soft and hard tissues of dental implants placed in vertically regenerated posterior mandibles with intraoral onlay block bone grafts and patient satisfaction at 3-year follow-up. MATERIALS AND METHODS: A retrospective study of patients with dental implants placed in posterior mandibular sites vertically augmented with intraoral onlay block bone grafts was carried out between 2005 and 2009 at the University of Valencia. The outcomes assessed at the 3-year follow-up visit were the peri-implant soft tissues (Plaque Index and Bleeding Index, probing depth, keratinized mucosa width, and recession), implant survival and success rates, marginal bone loss, and patient satisfaction...
January 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29340344/biomechanical-comparison-of-different-implant-inclinations-and-cantilever-lengths-in-all-on-4-treatment-concept-by-three-dimensional-finite-element-analysis
#14
Oguz Ozan, Sevcan Kurtulmus-Yilmaz
PURPOSE: The aim of this study was to evaluate the effect of implant inclination and cantilever length on the stress distribution in mandibular cortical bone, implant, abutment, prosthetic framework, and prosthetic screw via three-dimensional (3D) finite element analysis (FEA). MATERIALS AND METHODS: Four different finite element models (0-0, 17-17, 30-30, 45-30) were designed according to the tilting angle (0, 17, 30, and 45 degrees) of the posterior implant and angle of multiunit abutments (0, 17, and 30 degrees)...
January 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29340331/location-specific-oral-microbiome-possesses-features-associated-with-ckd
#15
Jianzhong Hu, Srinivas Iragavarapu, Girish N Nadkarni, Ruiqi Huang, Monica Erazo, Xiuliang Bao, Divya Verghese, Steven Coca, Mairaj K Ahmed, Inga Peter
Introduction: Chronic kidney disease (CKD), a progressive loss of renal function, can lead to serious complications if underdiagnosed. Many studies suggest that the oral microbiota plays important role in the health of the host; however, little is known about the association between the oral microbiota and CKD pathogenesis. Methods: In this study, we surveyed the oral microbiota in saliva, the left and right molars, and the anterior mandibular lingual area from 77 participants (18 with and 59 without CKD), and tested their association with CKD to identify microbial features that may be predictive of CKD status...
January 2018: KI Reports
https://www.readbyqxmd.com/read/29339202/an-in-situ-pilot-study-to-investigate-the-native-clinical-resistance-of-enamel-to-erosion
#16
Francesca Mullan, Rupert S Austin, Charles R Parkinson, David W Bartlett
OBJECTIVES: To investigate the differences in susceptibility of the surface of native and polished enamel to dietary erosion using an in-situ model. METHODS: Thirty healthy volunteers (n = 10 per group) wore mandibular appliances containing 2 native and 2 polished enamel samples for 30 minutes after which, the samples were exposed to either an ex vivo or in vivo immersion in orange juice for 5, 10 or 15 minutes and the cycle repeated twice with an hour's interval between them...
January 12, 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29339036/a-cone-beam-computed-tomography-study-of-c-shaped-root-canal-systems-in-mandibular-second-premolars-in-a-taiwan-chinese-subpopulation
#17
Yi-Chin Chen, Chia-Lun Tsai, Yi-Chen Chen, Gin Chen, Shue-Fen Yang
BACKGROUND/PURPOSE: The purpose of this study is to investigate the prevalence and the morphologic characteristics of the radicular groove and root canal system in human mandibular second premolars with C-shaped root in a Taiwan Chinese subpopulation using cone-beam computed tomographic (CBCT) imaging. METHODS: CBCT images of 580 mandibular second premolars were collected from 317 patients. All of the mandibular second premolars were examined in serial axial sections to identify the presence of any C-shaped root and C-shaped canal systems...
January 12, 2018: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/29339001/does-the-surgical-approach-for-treating-mandibular-condylar-fractures-affect-the-rate-of-seventh-cranial-nerve-injuries-a-systematic-review-and-meta-analysis-based-on-a-new-classification-for-surgical-approaches
#18
Essam Ahmed Al-Moraissi, Aurélien Louvrier, Giacomo Colletti, Larry M Wolford, Federico Biglioli, Marwa Ragaey, Christophe Meyer, Edward Ellis
PURPOSE: The purpose of this study was to determine the rate of facial nerve injury (FNI) when performing (ORIF) of mandibular condylar fractures by different surgical approaches. MATERIALS AND METHODS: A systematic review and meta-analysis were performed that included several databases with specific keywords, a reference search, and a manual search for suitable articles. The inclusion criteria were all clinical trials, with the aim of assessing the rate of facial nerve injuries when (ORIF) of mandibular condylar fractures was performed using different surgical approaches...
November 14, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29338489/multimodal-physiotherapy-treatment-based-on-a-biobehavioral-approach-for-patients-with-chronic-cervico-craniofacial-pain-a-prospective-case-series
#19
Fernando Marcos-Martín, Luis González-Ferrero, Noelia Martín-Alcocer, Alba Paris-Alemany, Roy La Touche
The purpose of this prospective case series was to observe and describe changes in patients with chronic cervico-craniofacial pain of muscular origin treated with multimodal physiotherapy based on a biobehavioral approach. Nine patients diagnosed with chronic myofascial temporomandibular disorder and neck pain were treated with 6 sessions over the course of 2 weeks including: (1) orthopedic manual physiotherapy (joint mobilizations, neurodynamic mobilization, and dynamic soft tissue mobilizations); (2) therapeutic exercises (motor control and muscular endurance exercises); and (3) patient education...
January 17, 2018: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29338280/variable-skeletal-anatomical-features-of-acromegaly-in-the-skull-and-craniocervical-junction
#20
Maria Piagkou, Othon Manolakos, Theodore Troupis, Nikolaos Lazaridis, Konstantinos Laios, Alexandros Samolis, Konstantinos Natsis
OBJECTIVE: This study adds important information regarding the morphological alterations caused by growth hormone hypersecretion in the skull and craniocervical junction (CCJ). A variably asymmetric skull due to acromegaly coexists with expansion of the paranasal sinuses and multiple Wormian bones. CASE REPORT: A pathologically asymmetric dry skull of a European male, aged 38 years at death, with cranial vault and skull base thickening is described. The extensive paranasal sinus pneumatization caused a generalized thinning of the bony walls...
November 2017: Acta Medica Academica
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