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Head & Face Medicine

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https://www.readbyqxmd.com/read/29843756/clinical-comparison-of-liquid-based-and-conventional-cytology-of-oral-brush-biopsies-a-randomized-controlled-trial
#1
Constanze Olms, Nathalie Hix, Heinrich Neumann, Maryam Yahiaoui-Doktor, Torsten W Remmerbach
BACKGROUND: Exfoliative cytology performed on oral brush samples can help dentists to decide, whether a given oral lesion is (pre-) malignant. The use of non-invasive brush biopsies as an auxiliary tool in the diagnosis of oral mucosal lesions has gained renewed interest since improvements in cytological techniques such as the development of adjuvant diagnostic tools and liquid-based cell preparation techniques. METHODS: The aim of this study was to compare the quality of two different preparation techniques (cell collectors): the conventional transfer procedure to glass slides and the so-called liquid-based cytology preparation method...
May 29, 2018: Head & Face Medicine
https://www.readbyqxmd.com/read/29728102/stenting-the-eustachian-tube-to-treat-chronic-otitis-media-a-feasibility-study-in-sheep
#2
Friederike Pohl, Robert A Schuon, Felicitas Miller, Andreas Kampmann, Eva Bültmann, Christian Hartmann, Thomas Lenarz, Gerrit Paasche
BACKGROUND: Untreated chronic otitis media severely impairs quality of life in affected individuals. Local destruction of the middle ear and subsequent loss of hearing are common sequelae, and currently available treatments provide limited relief. Therefore, the objectives of this study were to evaluate the feasibility of the insertion of a coronary stent from the nasopharynx into the Eustachian tube in-vivo in sheep and to make an initial assessment of its positional stability, tolerance by the animal, and possible tissue reactions...
May 4, 2018: Head & Face Medicine
https://www.readbyqxmd.com/read/29642922/an-anterolateral-thigh-chimeric-flap-for-dynamic-facial-and-esthetic-reconstruction-after-oncological-surgery-in-the-maxillofacial-region-a-case-report
#3
Zoltán Lóderer, Tamás Vereb, Róbert Paczona, Ágnes Janovszky, József Piffkó
BACKGROUND: The surgical management of malignant tumors in the head and neck region often leads to functional and esthetic defects that impair the quality of life of the patients. Reconstruction can be solved with prostheses in these cases, but various types of microsurgical free flaps can provide a better clinical outcome. CASE PRESENTATION: In this case report, the tumor and parts of the involved facial muscles and nerve were excised surgically from a 42-year-old patient after a third relapse of basal cell carcinoma in the left midface...
April 11, 2018: Head & Face Medicine
https://www.readbyqxmd.com/read/29562914/facial-soft-tissue-changes-after-nonsurgical-rapid-maxillary-expansion-a-systematic-review-and-meta-analysis
#4
REVIEW
Jing Huang, Cui-Ying Li, Jiu-Hui Jiang
BACKGROUND: The present systematic review and meta-analysis aimed to test the hypothesis that no facial soft tissue changes occur after nonsurgical rapid maxillary expansion (RME), in order to provide a reference for orthodontists. METHODS: PubMed, EMBASE, Cochrane Library, OVID, MEDLINE, CINAHL, Scopus, and ScienceDirect databases were electronically and manually searched up to December 2017, and randomized controlled, clinical controlled trials, cohort studies and retrospective studies where soft tissue changes were measured before and after nonsurgical RME were identified...
March 21, 2018: Head & Face Medicine
https://www.readbyqxmd.com/read/29544499/primary-failure-of-eruption-pfe-a-systematic-review
#5
REVIEW
Marcel Hanisch, Lale Hanisch, Johannes Kleinheinz, Susanne Jung
BACKGROUND: Primary failure of eruption (PFE) is a rare disease defined as incomplete tooth eruption despite the presence of a clear eruption pathway. Orthodontic extrusion is not feasible in this case because it results in ankylosis of teeth. To the best of our knowledge, besides the study of Ahmad et al. (Eur J Orthod 28:535-540, 2006), no study has systematically analysed the clinical features of and factors associated with PFE. Therefore, the aim of this study was to systematically evaluate the current literature (from 2006 to 2017) for new insights and developments on the aetiology, diagnosis, genetics, and treatment options of PFE...
March 15, 2018: Head & Face Medicine
https://www.readbyqxmd.com/read/29454369/evaluation-of-piezocision-and-laser-assisted-flapless-corticotomy-in-the-acceleration-of-canine-retraction-a-randomized-controlled-trial
#6
Alaa M H Alfawal, Mohammad Y Hajeer, Mowaffak A Ajaj, Omar Hamadah, Bassel Brad
BACKGROUND: To evaluate the effectiveness of two minimally invasive surgical procedures in the acceleration of canine retraction: piezocision and laser-assisted flapless corticotomy (LAFC). METHODS: Trial design: A single-centre randomized controlled trial with a compound design (two-arm parallel-group design and a split-mouth design for each arm). PARTICIPANTS: 36 Class II division I patients (12 males, 24 females; age range: 15 to 27 years) requiring first upper premolars extraction followed by canine retraction...
February 17, 2018: Head & Face Medicine
https://www.readbyqxmd.com/read/29321071/head-circumference-a-useful-single-parameter-for-skull-volume-development-in-cranial-growth-analysis
#7
Markus Martini, Anne Klausing, Guido Lüchters, Nils Heim, Martina Messing-Jünger
BACKGROUND: The measurement of maximal head circumference is a standard procedure in the examination of childrens' cranial growth and brain development. The objective of the study was to evaluate the validity of maximal head circumference to cranial volume in the first year of life using a new method which includes ear-to-ear over the head distance and maximal cranial length measurement. METHODS: 3D surface scans for cranial volume assessment were conducted in this method comparison study of 44 healthy Caucasian children (29 male, 15 female) at the ages of 4 and 12 months...
January 10, 2018: Head & Face Medicine
https://www.readbyqxmd.com/read/29329558/quality-of-life-and-problems-associated-with-obturators-of-patients-with-maxillectomies
#8
Marwa Mohammed Ali, Nadia Khalifa, Mohammed Nasser Alhajj
BACKGROUND: Maxillary defects predispose patients to different undesirable effects. The aim of this study was to assess the quality of life (QoL) of patients with maxillary defects (acquired/congenital) wearing obturators. METHODS: The study comprised 30 patients aged between 16 and 78 years. Interviews were conducted to collect information pertaining to patients; sociodemographic, self-reported function of obturator using Obturator Functioning Scale (OFS), self-evaluation of general health using Visual Analogue Scale (VAS), radiotherapy treatment, salivary gland removal, reconstructive surgery, neck dissection and length of time obturators were worn...
January 5, 2018: Head & Face Medicine
https://www.readbyqxmd.com/read/29329562/granular-cell-tumors-of-the-tongue-fibroma-or-schwannoma
#9
Atsushi Musha, Masaru Ogawa, Satoshi Yokoo
BACKGROUND: Granular cell tumors are benign lesions that typically occur in the oral cavity, but can also be found in other sites. However, the characteristics of these tumors are unclear. Thus, the present study aimed to investigate the immunohistological characteristics of these tumors of the tongue. METHODS: Seven patients were treated for granular cell tumors of the tongue at our institution during 2003-2017. Paraffin-embedded specimens were available for all cases; thus, retrospective immunohistochemical analyses were performed...
January 3, 2018: Head & Face Medicine
https://www.readbyqxmd.com/read/29229002/comprehensive-analysis-of-ectopic-mandibular-third-molar-a-rare-clinical-entity-revisited
#10
Yaping Wu, Yue Song, Rong Huang, Jiaan Hu, Xiaotong He, Yanling Wang, Guangchao Zhou, Chao Sun, Hongbing Jiang, Jie Cheng, Dongmiao Wang
BACKGROUND: Ectopic mandibular third molar is a rare clinical entity with incompletely known etiology. Here, we sought to delineate its epidemiological, clinical and radiographic characteristics, and therapy by integrating and analyzing the cases treated in our institution together with previously reported cases. METHOD: A new definition and classification for ectopic mandibular third molar was proposed based on its anatomic location on panoramic images. Thirty-eight ectopic mandibular third molars in 37 patients and 51 teeth in 49 patients were identified in our disease registry and from literature (1990-2016), respectively...
December 11, 2017: Head & Face Medicine
https://www.readbyqxmd.com/read/29221472/odontoblast-like-differentiation-and-mineral-formation-of-pulpsphere-derived-cells-on-human-root-canal-dentin-in-vitro
#11
Jörg Neunzehn, Sandra Pötschke, Christian Hannig, Hans-Peter Wiesmann, Marie-Theres Weber
BACKGROUND: The revitalization or regeneration of the dental pulp is a preferable goal in current endodontic research. In this study, human dental pulp cell (DPC) spheres were applied to human root canal samples to evaluate their potential adoption for physiological tissue-like regeneration of the dental root canal by odontoblastic differentiation as well as cell-induced mineral formation. METHODS: DPC were cultivated into three-dimensional cell spheres and seeded on human root canal specimens...
December 8, 2017: Head & Face Medicine
https://www.readbyqxmd.com/read/29162139/effect-of-aging-and-curing-mode-on-the-compressive-and-indirect-tensile-strength-of-resin-composite-cements
#12
Nadja Rohr, Jens Fischer
BACKGROUND: Resin composite cements are used in dentistry to bond ceramic restorations to the tooth structure. In the oral cavity these cements are subjected to aging induced by masticatory and thermal stresses. Thermal cycling between 5 and 55 °C simulates the effect of varying temperatures in vitro. Purpose of this study was to compare indirect tensile to compressive strength of different cements before and after thermal cycling. The effect of the curing mode was additionally assessed...
November 21, 2017: Head & Face Medicine
https://www.readbyqxmd.com/read/29126455/micrognathia-with-temporomandibular-joint-ankylosis-and-obstructive-sleep-apnea-treated-with-mandibular-distraction-osteogenesis-using-skeletal-anchorage-a-case-report
#13
Hiroshi Tomonari, Hiroko Takada, Tomofumi Hamada, Sangho Kwon, Tsuyoshi Sugiura, Shouichi Miyawaki
BACKGROUND: We describe the case of a 16-year-old female patient with micrognathia, temporomandibular joint (TMJ) ankylosis, and obstructive sleep apnea, who was treated with mandibular distraction osteogenesis (DO) combined with sliding genioplasty, using skeletal anchorage. CASE PRESENTATION: We first performed interpositional arthroplasty, in which an interposition of fascia temporalis and surrounding fat tissue was inserted into the defect after bilateral condylectomy, increasing the maximum mouth opening from 5...
November 10, 2017: Head & Face Medicine
https://www.readbyqxmd.com/read/29126426/the-influence-of-immediately-loaded-implant-treatment-in-the-atrophic-edentulous-maxilla-on-oral-health-related-quality-of-life-of-edentulous-patients-3-year-results-of-a-prospective-study
#14
Maria Erkapers, Susanna Segerström, Karl Ekstrand, Russell A Baer, Joseph A Toljanic, Andreas Thor
BACKGROUND: To evaluate oral health related quality of life (OHQoL) in edentulous patients treated with immediately loaded implants in the maxilla. METHODS: Fifty-one edentulous patients in two centers received six maxillary implants each were loaded within 24 h with provisional restoration. Definitive restoration was delivered 20-24 weeks later. OHQoL was evaluated preoperatively with the Oral Health Impact Profile 49 questionnaire (OHIP-49) and on five subsequent occasions...
November 10, 2017: Head & Face Medicine
https://www.readbyqxmd.com/read/29116013/the-influence-of-dexamethasone-on-postoperative-swelling-and-neurosensory-disturbances-after-orthognathic-surgery-a-randomized-controlled-clinical-trial
#15
W Semper-Hogg, M A Fuessinger, T W Dirlewanger, C P Cornelius, M C Metzger
BACKGROUND: Orthognathic surgery is associated with considerable swelling and neurosensory disturbances. Serious swelling can lead to great physical and psychological strain. A randomized, prospective, controlled clinical trial was realized in order to evaluate the effect of a preoperative intravenous dexamethasone injection of 40 mg on postoperative swelling and neurosensory disturbances after orthognathic surgery. METHODS: Thirty-eight patients (27 male and 11 female) patients, all with the indication for an orthognathic surgery, were enrolled in this study (mean age: 27...
November 7, 2017: Head & Face Medicine
https://www.readbyqxmd.com/read/29073902/clinical-and-radiographic-evaluation-of-pulpectomy-in-primary-teeth-a-18-months-clinical-randomized-controlled-trial
#16
Xiaoxian Chen, Xinggang Liu, Jie Zhong
BACKGROUND: To avoid untoward changes when primary teeth are replaced by permanent teeth, resorption of the material used in primary teeth root canal filling should occur at the same rate as root resorption. The Aim of this study was to compare the success rates of a mixed primary root canal filling (MPRCF, ingredients: zinc oxide-eugenol [ZOE], iodoform, calcium hydroxide) to those of ZOE and Vitapex in pulpectomised primary molars. METHODS: One hundred and sixty primary molars from 155 children (average age 5...
October 27, 2017: Head & Face Medicine
https://www.readbyqxmd.com/read/29017523/single-tooth-torque-correction-in-the-lower-frontal-area-by-a-completely-customized-lingual-appliance
#17
Collin Jacobs, Milena Katzorke, Dirk Wiechmann, Heiner Wehrbein, Rainer Schwestka-Polly
BACKGROUND: Aim of this study was to analyze the efficacy and precision of the completely customized lingual appliance (CCLA) regarding the single tooth torque correction. The study also examined external apical root resorptions as possible side effects of torque correction and the changings of the periodontal situation. METHODS: A case series of three patients were included. The patients showed a single tooth torque problem with a gingival recession and were treated with the CCLA...
October 10, 2017: Head & Face Medicine
https://www.readbyqxmd.com/read/28962664/a-new-concept-for-implant-borne-dental-rehabilitation-how-to-overcome-the-biological-weak-spot-of-conventional-dental-implants
#18
Nils-Claudius Gellrich, Björn Rahlf, Rüdiger Zimmerer, Philipp-Cornelius Pott, Majeed Rana
BACKGROUND: Every endosseous dental implant is dependent on an adequate amount and quality of peri-implant hard and soft tissues and their fully functional interaction. The dental implant could fail in cases of insufficient bone and soft tissues or due to a violation of the soft to hard tissues to implant shoulder interface with arising of a secondary bone loss. METHOD: To overcome this biological weak-spot, we designed a new implant that allows for multi vector endosseous anchorage around the individual underlying bone, which has to be scanned by computed tomography (CT) or Cone beam CT (CBCT) technique to allow for planning the implant...
September 29, 2017: Head & Face Medicine
https://www.readbyqxmd.com/read/28655358/the-association-between-interleukin-28b-gene-polymorphisms-as-a-potential-biomarker-and-the-risk-of-chronic-periodontitis-in-an-iranian-population
#19
Zahra Heidari, Bita Moudi, Hamidreza Mahmoudzadeh-Sagheb, Mehrnoosh Moudi
BACKGROUND: Chronic Periodontitis (CP) is a common inflammatory disease affects supporting tissues of the teeth and can lead to tooth loss. The objective of this study was to determine the relationship between polymorphisms in the IL-28B gene and chronic periodontitis in an Iranian population. METHODS: Two hundred and ten CP patients and one hundred healthy subjects were enrolled in the present case-control study. The rs12979860 and rs8099917 SNPs were identified using RFLP and T-ARMS-PCR methods respectively...
June 27, 2017: Head & Face Medicine
https://www.readbyqxmd.com/read/28645317/facial-soft-tissue-response-to-maxillo-mandibular-advancement-in-obstructive-sleep-apnea-syndrome-patients
#20
Julio Cifuentes, Christian Teuber, Alfredo Gantz, Ariel Barrera, Gholamreza Danesh, Nicolas Yanine, Carsten Lippold
No abstract text is available yet for this article.
June 23, 2017: Head & Face Medicine
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