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Head & Face Medicine

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https://www.readbyqxmd.com/read/27906082/secondary-correction-of-nasal-deformities-in-cleft-lip-and-palate-patients-surgical-technique-and-outcome-evaluation
#1
Gabor Vass, Gabor Mohos, Zsofia Bere, Laszlo Ivan, Janos Varga, Jozsef Piffko, Laszlo Rovo
BACKGROUND: Nasal deformity associated with cleft lip and palate is a highly challenging reconstructive problem in rhinoplasty. In the literature, several operative solutions and evaluation methods have been described, however these do not offer a standard procedure for the surgeon. Our aim was to standardize our surgical technique-as much as the uniqueness of each case allowed it-based on the most frequent deformities we had faced; and to evaluate our results via a postoperative patient satisfaction questionnaire...
December 1, 2016: Head & Face Medicine
https://www.readbyqxmd.com/read/27906068/novel-use-of-cranial-epidural-space-in-rabbits-as-an-animal-model-to-investigate-bone-volume-augmentation-potential-of-different-bone-graft-substitutes
#2
Ivan Valdivia-Gandur, Wilfried Engelke, Víctor Beltrán, Eduardo Borie, Ramón Fuentes, María Cristina Manzanares-Céspedes
BACKGROUND: The success of bone augmentation to a major degree depends on the biomechanics and biological conditions of the surrounding tissues. Therefore, an animal model is needed providing anatomical sites with similar mechanical pressures for comparing its influence on different biomaterials for bone regeneration. The present report describes the new bone formation associated to biomaterial in a bursa created in the epidural space, between dura mater and cranial calvaria, under the constant pressure of cerebrospinal fluid...
December 1, 2016: Head & Face Medicine
https://www.readbyqxmd.com/read/27876040/botulinum-toxin-treatment-for-essential-palatal-tremors-presenting-with-nasal-clicks-instead-of-pulsatile-tinnitus-a-case-report
#3
Yufeng Ye, Shiyu Liao, Baozhen Luo, Liyan Ni
BACKGROUND: In this study, we report a rare case of an adult patient with essential palatal tremors (EPT) presenting as nasal clicks, instead of otic clicks or objective pulsatile tinnitus in common EPT. CASE PRESENTATION: Nasal endoscopic examination and EMG recordings of the soft palate muscles were performed to confirm the source of the clicks. Initial treatment with lidocaine provided symptomatic relief for four hours. The patient was then treated with four simultaneous injections of 12...
November 22, 2016: Head & Face Medicine
https://www.readbyqxmd.com/read/27832820/normal-orbit-skeletal-changes-in-adolescents-as-determined-through-cone-beam-computed-tomography
#4
B Lee, C Flores-Mir, M O Lagravère
BACKGROUND: To determine three-dimensional spatial orbit skeletal changes in adolescents over a 19 to 24 months observation period assessed through cone-beam computed tomography (CBCT). METHODS: The sample consisted of 50 adolescents aged 11 to 17. All were orthodontic patients who had two CBCTs taken with an interval of 19 to 24 months between images. The CBCTs were analyzed using the third-party software Avizo. Sixteen anatomical landmarks resulting in 24 distances were used to measure spatial structural changes of both orbits...
November 10, 2016: Head & Face Medicine
https://www.readbyqxmd.com/read/27821165/classification-and-characterization-of-class-iii-malocclusion-in-chinese-individuals
#5
Cai Li, Ying Cai, Sihui Chen, Fengshan Chen
BACKGROUND: Class III malocclusion is a maxillofacial disorder that is characterised by a concave profile and can be attributed to both genetic inheritance and environmental factors. It is a clinical challenge due to our limited understanding of its aetiology. Revealing its prototypical diversity will contribute to our sequential exploration of the underlying aetiological information. The objective of this study was to characterize phenotypic variations of Class III malocclusion via a lateral cephalometric analysis in a community of Chinese individuals...
November 7, 2016: Head & Face Medicine
https://www.readbyqxmd.com/read/27809872/pen-type-laser-fluorescence-device-versus-bitewing-radiographs-for-caries-detection-on-approximal-surfaces
#6
M Bizhang, N Wollenweber, P Singh-Hüsgen, G Danesh, S Zimmer
BACKGROUND: The accurate detection of approximal caries is generally difficult. The aim of this study was to assess the ability of the pen-type laser fluorescence device (LF pen) to detect approximal carious lesions in comparison to bitewing radiographs (BW). METHODS: Three hundred forty-one tooth surfaces were diagnosed in 20 patients with an average age of 26.70 (±2.82) years. Each test tooth was sequentially assessed by a single calibrated examiner using visual inspection, BW, and the LF pen...
November 4, 2016: Head & Face Medicine
https://www.readbyqxmd.com/read/27809863/correlation-between-flexural-and-indirect-tensile-strength-of-resin-composite-cements
#7
Gianluca Cassina, Jens Fischer, Nadja Rohr
BACKGROUND: To evaluate a potential correlation between flexural strength and indirect tensile strength in assessing the mechanical strength of resin composite cements. METHODS: Flexural strength (n = 5) and indirect tensile strength (n = 5) of 7 resin composite cements (RelyX Unicem 2 Automix [RXU], Panavia SA [PSA], Clearfil SA [CSA], Panavia F2.0 [PF2], Multilink Implant [MLI], DuoCem [DCM], Panavia 21 [P21]) were determined. Specimens were either auto-polymerized or dual-cured (except P21) and stored in water at 37 °C for 1 day prior to measurement...
November 4, 2016: Head & Face Medicine
https://www.readbyqxmd.com/read/27793169/oral-microbiota-carriage-in-patients-with-multibracket-appliance-in-relation-to-the-quality-of-oral-hygiene
#8
Katharina Klaus, Johanna Eichenauer, Rhea Sprenger, Sabine Ruf
BACKGROUND: The present study aimed to investigate the prevalence of oral microbiota (Candida species (spp.), Streptococcus mutans, and Lactobacilli) in patients with multibracket (MB) appliances in relation to the quality of oral hygiene. Saliva and plaque samples were collected from three groups of 25 patients each (good oral hygiene (GOH), poor oral hygiene (POH), and poor oral hygiene with white spot lesions (POH/WSL)). Counts of colony forming units (CFU) of the investigated oral microbiota were compared using Chi-square and Mann-Whitney U tests...
October 28, 2016: Head & Face Medicine
https://www.readbyqxmd.com/read/27595744/mri-in-detecting-facial-cosmetic-injectable-fillers
#9
Sigal Tal, Hillel S Maresky, Theodore Bryan, Ella Ziv, Dov Klein, Assaf Persitz, Lior Heller
BACKGROUND: Despite being considered a non-invasive procedure, injections can cause adverse outcomes including infections, overfilling, asymmetry, foreign body granulomas, and reactions that lead to scarring. Complications may be associated with the procedure itself, the physician's technique, and/or the type of agent injected. In these instances, it is important to be able locate and identify the substance used. This study investigated the viability of using MRI to correctly identify injected substances, their symmetry of distribution, and related complications...
September 6, 2016: Head & Face Medicine
https://www.readbyqxmd.com/read/27113338/oral-lichen-planus-clinical-characteristics-in-italian-patients-a-retrospective-analysis
#10
Dorina Lauritano, Mariantonietta Arrica, Alberta Lucchese, Marina Valente, Giuseppe Pannone, Carlo Lajolo, Rossella Ninivaggi, Massimo Petruzzi
BACKGROUND: Oral lichen Planus (OLP) is a chronic inflammatory disease involving skin and mucous membranes. Its etiology is still uncertain whilst an autoimmune mechanism is known to be implicated. OLP is commonly considered a geriatric disease and gender differences in prevalence are clear, whereby females are generally more frequently affected than males more often during the 5th and 6th decades of life. Lesions are symmetrical and bilateral and the buccal mucosa is frequently involved...
April 26, 2016: Head & Face Medicine
https://www.readbyqxmd.com/read/27066830/contour-identical-implants-to-bridge-mandibular-continuity-defects-individually-generated-by-lasercusing%C3%A2-a-feasibility-study-in-animal-cadavers
#11
Bernd Reitemeier, Christine Schöne, Raoul Lesche, Günter Lauer, Matthias C Schulz, Jutta Markwardt
BACKGROUND: Ablative tumor surgery often results in continuity defects of the mandible. When an immediate reconstruction using autologous bone grafts is not possible the bridging of the defects with a variety of bridging plates might be achieved. However, those bridging plates have the risk of plate fractures or exposure. Customized titanium implants manufactured using CAD/CAM and the LaserCUSING® technique might be an alternative. METHODS: In the present study, computed tomographies (CT) of porcine cadaver mandibles were generated and transferred into DICOM data...
April 11, 2016: Head & Face Medicine
https://www.readbyqxmd.com/read/27038781/dentin-abrasivity-of-various-desensitizing-toothpastes
#12
COMPARATIVE STUDY
W H Arnold, Ch Gröger, M Bizhang, E A Naumova
BACKGROUND: The aim of this study was to compare the abrasivity of various commercially available toothpastes that claim to reduce dentin hypersensitivity. METHODS: Dentin discs were prepared from 70 human extracted molars. The discs were etched with lemon juice for 5 min, and one half of the discs were covered with aluminum tape. Following this, they were brushed with 6 different toothpastes, simulating a total brushing time of 6 months. As a negative control, discs were brushed with tap water only...
April 2, 2016: Head & Face Medicine
https://www.readbyqxmd.com/read/27037010/morphology-of-the-distal-thoracic-duct-and-the-right-lymphatic-duct-in-different-head-and-neck-pathologies-an-imaging-based-study
#13
Ferdinand J Kammerer, Benedikt Schlude, Michael A Kuefner, Philipp Schlechtweg, Matthias Hammon, Michael Uder, Siegfried A Schwab
BACKGROUND: The purpose of this study was to assess the influence of head and neck pathologies on the detection rate, configuration and diameter of the thoracic duct (TD) and right lymphatic duct (RLD) in computed tomography (CT) of the head and neck. METHODS: One hundred ninety-seven patients were divided into the subgroups "healthy", "benign disease" and "malignant disease". The interpretation of the images was performed at a slice thickness of 3 mm in the axial and coronal plane...
March 31, 2016: Head & Face Medicine
https://www.readbyqxmd.com/read/27029551/reliable-classification-of-facial-phenotypic-variation-in-craniofacial-microsomia-a-comparison-of-physical-exam-and-photographs
#14
COMPARATIVE STUDY
Craig B Birgfeld, Carrie L Heike, Babette S Saltzman, Brian G Leroux, Kelly N Evans, Daniela V Luquetti
BACKGROUND: Craniofacial microsomia is a common congenital condition for which children receive longitudinal, multidisciplinary team care. However, little is known about the etiology of craniofacial microsomia and few outcome studies have been published. In order to facilitate large, multicenter studies in craniofacial microsomia, we assessed the reliability of phenotypic classification based on photographs by comparison with direct physical examination. METHODS: Thirty-nine children with craniofacial microsomia underwent a physical examination and photographs according to a standardized protocol...
March 31, 2016: Head & Face Medicine
https://www.readbyqxmd.com/read/27013322/development-and-evaluation-of-an-internet-based-blended-learning-module-in-biomedicine-for-university-applicants-education-as-a-challenge-for-the-future
#15
Christian Klümper, Jörg Neunzehn, Ute Wegmann, Benjamin Kruppke, Ulrich Joos, Hans Peter Wiesmann
BACKGROUND: Biomedical science, especially biomaterials, is an expanding field in medicine. Universities are being challenged to gain the best students for a later academic career. Pre-university assessment of pupils has become crucial to reach this aim. Blended learning is an emerging paradigm for science education even though it has not yet been rigorously assessed, especially in the pupil/undergraduate situation. The aim of the study was to develop and preliminarily test a blended-learning system in biomedicine for university applicants...
March 25, 2016: Head & Face Medicine
https://www.readbyqxmd.com/read/27004947/tongue-volume-in-adults-with-skeletal-class-iii-dentofacial-deformities
#16
N Ihan Hren, U Barbič
BACKGROUND: The size of the tongue is implicated as an essential etiological factor in the development of malocclusions. The aim of our study was to assess tongue size in skeletal Class III (SCIII) patients in comparison to adults with normal occlusion, using three-dimensional (3D) ultrasound. METHODS: The SCIII group consisted of 54 subjects; 34 females and 20 males and the control group contained 36 subjects, 18 from each gender with Class I relationship. 3D ultrasound images of the tongues were acquired, and then the tongues' volumes were assessed...
March 22, 2016: Head & Face Medicine
https://www.readbyqxmd.com/read/26850723/basal-cell-carcinoma-squamous-cell-carcinoma-and-melanoma-of-the-head-and-face
#17
REVIEW
L Feller, R A G Khammissa, B Kramer, M Altini, J Lemmer
Ultraviolet light (UV) is an important risk factor for cutaneous basal cell carcinoma, cutaneous squamous cell carcinoma and cutaneous melanoma of the skin. These cancers most commonly affect persons with fair skin and blue eyes who sunburn rather than suntan. However, each of these cancers appears to be associated with a different pattern of UV exposure and to be mediated by different intracellular molecular pathways.Some melanocortin 1 receptor (MC1R) gene variants play a direct role in the pathogenesis of cutaneous basal cell carcinoma, cutaneous squamous cell carcinoma and cutaneous melanoma apart from their role in determining a cancer-prone pigmentory phenotype (fair skin, red hair, blue eyes) through their interactions with other genes regulating immuno-inflammatory responses, DNA repair or apoptosis...
February 5, 2016: Head & Face Medicine
https://www.readbyqxmd.com/read/26846672/head-face-medicine-reviewer-acknowledgement-2015
#18
Thomas Stamm, Ulrich Meyer, Hans Peter Wiesmann
The editors of Head & Face Medicine would like to thank all reviewers who have contributed their time and expertise to the journal in Volume 11 (2015).
February 4, 2016: Head & Face Medicine
https://www.readbyqxmd.com/read/26825783/use-of-modified-lateral-upper-arm-free-flap-for-reconstruction-of-soft-tissue-defect-after-resection-of-oral-cancer
#19
Xu-Dong Yang, Su-Feng Zhao, Qian Zhang, Yu-Xin Wang, Wei Li, Xiao-Wei Hong, Qin-Gang Hu
BACKGROUND: To evaluate the suitability of a modified lateral upper arm free flap (LAFF) for reconstruction of soft tissue defects after resection of oral cancer. METHODS: Eighteen cases of soft tissue defect repair performed between January 2011 and December 2013 using a modified LAFF after resection of oral cancer were reviewed. The design and harvest of the LAFF, the reconstruction procedure, and postoperative morbidity were reviewed and evaluated over a follow-up period of at least 12 months...
January 29, 2016: Head & Face Medicine
https://www.readbyqxmd.com/read/26821610/expression-of-cell-adhesion-molecule-cd44-in-mucoepidermoid-carcinoma-and-its-association-with-the-tumor-behavior
#20
Nada Binmadi, Azza Elsissi, Nadia Elsissi
BACKGROUND: The most common malignant salivary gland tumors that affect both adult and children is mucoepidermoid carcinoma. It usually affects both minor and major salivary glands but parotid gland is considering the most common site in which this tumor arises. CD44, a trans-membrane glycoprotein, is an adhesion molecule of cell surface that play a role in the connections between cell-cell and cell-matrix. Many malignant tumors express high levels of CD44, thus, CD44 may be used as an indicator of aggressive behavior of some human malignancy...
January 29, 2016: Head & Face Medicine
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