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https://www.readbyqxmd.com/read/28324812/the-effects-of-ovarian-biopsy-and-blood-sampling-methods-on-salivary-cortisol-and-behaviour-in-sows
#1
Jinhyeon Yun, Stefan Björkman, Merja Pöytäkangas, Olli Peltoniemi
In reproductive physiology research, experimental animals are often subjected to stressful procedures, including blood sampling and biopsy. In this present study, presence of pain or distress induced by four different procedures was examined using a measurement of salivary cortisol levels and activity observations in sows. The treatments were: 1) PAL: The ovary was palpated through the rectum without snaring, 2) TUB: transvaginal ultrasound-guided biopsy of the ovary was conducted without snaring, 3) SNA: a soft rope snare was placed around the maxilla, 4) CAT: A soft rope snare was placed around the maxilla, and an intravenous catheter was inserted through the ear vein of the sows...
March 11, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28318923/treatment-outcome-in-orthognathic-surgery-a-prospective-comparison-of-accuracy-in-computer-assisted-two-and-three-dimensional-prediction-techniques
#2
Martin Bengtsson, Gert Wall, Patricia Miranda-Burgos, Lars Rasmusson
The main objective of the present study was to assess the accuracy of two- and three-dimensional prediction techniques in orthognathic surgery. It was also a test of the very planning sequence. The scientific question was how well does the software support the surgeon in his way to find the perfect correction of the facial appearance while normalizing the occlusion? Thirty patients with a class III occlusion were included in this prospective study. Surgical planning with both techniques were undertaken for all patients...
February 13, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28318311/treatment-of-vertical-maxillary-excess-without-open-bite-in-a-skeletal-class-ii-hyperdivergent-patient
#3
Cheol-Ho Paik, Hong-Sik Park, Hyo-Won Ahn
A 20-year-old woman visited the office complaining of a gummy smile and lip protrusion. She was diagnosed with vertical maxillary excess without open bite and skeletal Class II hyperdivergent pattern. She refused the surgical-orthodontic treatment option, although she wanted to correct the gummy smile and retruded chin. Differential intrusion of anterior and posterior teeth in both arches was necessary to maximize the skeletal treatment effects. In the maxilla, one palatal temporary anchorage device (TAD), an archwire with an accentuated curve of Spee, and a transpalatal arch were applied...
March 20, 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/28317829/-modern-approaches-to-dental-implants-placement-in-deficient-alveolar-bone
#4
A A Kulakov, R Sh Gvetadze, T V Brailovskaya, A A Khar'kova, L S Dzikovitskaya
The paper presents statistical data on implant placement procedures in Central Research Institute of Dentistry and Maxillofacial Surgery (Moscow, Russia) in 2010-2015. In 64% of cases inadequate bone volume was attributed to alveolar bone atrophy. Bone deficiency was equally often in upper and lower jaws (in 49.3 and 50.7%, correspondently) but varied in forms with complex configurations to be more specific for maxilla. The study also includes a series of clinical cases illustrating implant placement procedures in anatomically unfavorable settings...
2017: Stomatologii︠a︡
https://www.readbyqxmd.com/read/28317823/-functional-cardiovascular-assessment-in-dentists-performing-local-anesthesia-in-out-patient-settings
#5
S A Rabinovich, S N Razumova, Yu L Vasil'ev
The article presents the results of the cardiovascular changes assessment using electrocardiography (ECG) monitoring during local anesthesia in GP dentists. Selective ECG monitoring was carried out in 60 dentists aged 25-55 years (1 group - 25-34 y.o.; 2 group - 35-44 y.o.; 3 group - 45-55 y.o.) by means of portable «Valens» system. The study of stress index or the index of regulatory systems tension (IT) was conducted for 6 hours in the first day half within 1 working day. IT from 50 to 150 relative units was considered normal...
2017: Stomatologii︠a︡
https://www.readbyqxmd.com/read/28317556/skull-5-from-dmanisi-descriptive-anatomy-comparative-studies-and-evolutionary-significance
#6
G Philip Rightmire, Marcia S Ponce de León, David Lordkipanidze, Ann Margvelashvili, Christoph P E Zollikofer
A fifth hominin skull (cranium D4500 and mandible D2600) from Dmanisi is massively constructed, with a large face and a very small brain. Traits documented for the first time in a basal member of the Homo clade include the uniquely low ratio of endocranial volume to basicranial width, reduced vertex height, angular vault profile, smooth nasal sill coupled with a long and sloping maxillary clivus, elongated palate, and tall mandibular corpus. The convex clivus and receding symphysis of skull 5 produce a muzzle-like form similar to that of Australopithecus afarensis...
March 2017: Journal of Human Evolution
https://www.readbyqxmd.com/read/28317363/-periodontal-inflammation-affects-the-mechanical-and-immune-barrier-functions-of-mice-gut
#7
Xie Meilian, Yu Ting, Zhuo Ying, Huang Xin, Xie Baoyi, Xuan Dongying, Zhang Jincai
OBJECTIVE: To explore the effects of periodontal inflammation on the functions of gut barrier (ecological barrier, mechanical barrier, and immune barrier) in mice. METHODS: Twenty male C57BL/6J mice were randomly divided into perio-dontitis (P) or control (C) groups. The P group was subjected under a 10-day ligation with Porphyromonas gingivalis to induce periodontitis, whereas the C group was ligated with sham. Maxillae were obtained to assess alveolar bone loss...
August 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28317352/-clinical-analysis-of-bisphosphonate-related-osteonecrosis-of-the-jaw
#8
Gong Jiaxing, Wang Huiming
OBJECTIVE: The study aims to analyze patients with bisphosphonate-related osteonecrosis of the jaw (BRONJ). METHODS: Twelve patients treated in the Department of Oral and Maxillofacial Surgery, the First Affiliated Hospital of Me-dical School, Zhejiang University from May 2013 to September 2015 were included. Patients' basic situation, medication, clinical symptoms, therapies, and effects were obtained and analyzed. RESULTS: The treatment of nine patients focused on the mandible, whereas that of three patients was on the maxilla...
August 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28316943/mandibular-canine-transmigration-report-of-three-cases-and-literature-review
#9
REVIEW
Mandeep K Bhullar, Isha Aggarwal, Rashmi Verma, Amandeep S Uppal
AIMS AND OBJECTIVES: Transmigration is a rare phenomenon seen almost exclusively in the mandibular canines. The aim of the present study is to review transmigration phenomenon. MATERIALS AND METHODS: Appropriate guidelines for a systematic review were followed. The time period selected for the present systematic review was 2001-2016. The studies were selected from various electronic databases on the basis of their title, study, design, keywords, and abstracts. A total of 150 citations were searched initially, and after proper screening, 59 relevant articles were included...
January 2017: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/28316283/combination-therapies-for-the-treatment-of-recurrent-central-giant-cell-lesion-in-the-maxilla-a-case-report
#10
Jefferson Paulo de Oliveira, Fernanda Olivete, Naylin Danyele de Oliveira, Allan Fernando Giovanini, João César Zielak, Leandro Klüppel, Rafaela Scariot
BACKGROUND: Central giant cell lesion is a non-neoplastic proliferation, usually asymptomatic, of unknown etiology. The purpose of this case report is to report the diagnosis and the treatment of a recurrent central giant cell lesion in the maxilla. CASE PRESENTATION: A 31-year-old Brazilian woman presented to our Surgery Service for evaluation of a cystic lesion in her teeth 13 and 15, although she had previously received endodontic treatment for her teeth 13 and 15 without regression of the lesion...
March 20, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28306334/impact-of-prone-supine-and-oblique-patient-positioning-on-cbct-image-quality-contrast-to-noise-ratio-and-figure-of-merit-value-in-the-maxillofacial-region
#11
Juha Koivisto, Maureen van Eijnatten, Jorma Järnstedt, Kirsi Holli-Helenius, Prasun Dastidar, Jan Wolff
OBJECTIVES: To assess the impact of supine, prone and oblique patient imaging positions on the image quality, contrast-to-noise ratio and figure of merit value in the maxillofacial region using a cone beam computed tomography scanner. Furthermore, the CBCT supine images were compared to supine MSCT images. METHODS: One fresh frozen cadaver head was scanned in prone, supine and oblique imaging positions using a mobile CBCT scanner. MSCT images of the head were acquired in a supine position...
March 17, 2017: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/28299256/clinical-and-radiological-evaluation-of-implants-placed-with-osteotome-sinus-lift-technique-19-month-follow-up
#12
Bijan Movahedian Attar, Samaneh Alaei, Hamid Badrian, Amin Davoudi
AIMS: Implant placement in the posterior region of the maxilla might be problematic due to poor regional bone quality. The aim of this study was to clinically and radiologically evaluate implants which were placed in the posterior region of the maxilla (with insufficient bone height) with osteotome sinus lift technique after 19-month follow-up. MATERIALS AND METHODS: Twenty-four patients with posterior maxillary alveolar height ranging from 5 to 8 mm were chosen for this prospective study...
July 2016: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28299226/dental-implant-placement-with-simultaneous-anterior-maxillary-reconstruction-with-block-and-particulate-fresh-frozen-allograft-bone-a-case-report-with-24-month-follow-up-data
#13
J S Vieira, E M Brandão-Filho, F R Deliberador, J C Zielak, A F Giovanini, T M Deliberador
Fresh frozen allograft bone is routinely used in orthopedic surgery for the reconstruction of large bone defects, and its use in oral and maxillofacial surgery is increasing. The purpose of this case was to demonstrate the installation of dental implants and the use of fresh frozen bone for reconstruction of anterior maxilla in the same surgery. This case report presents the insertion of dental implants followed immediately by a placement of fresh frozen allograft in block and particle for a reconstruction of atrophic anterior maxillary in the same surgery...
2017: Case Reports in Surgery
https://www.readbyqxmd.com/read/28298833/minimally-invasive-maxillary-sinus-elevation-using-balloon-system-a-case-series
#14
Radha Bharathi Dhandapani, Shivakumar Baskaran, Kurumathur Vasudevan Arun, Thirunelveli Saravanan Subbu Kumar
The posterior maxillary segment frequently exhibits insufficient bone mass to support dental implants. Sinus floor augmentation enables implant placement in the posterior maxilla. This case series included ten sites, in which sinus floor elevation was done using sinus lift balloon system followed by augmentation utilizing irradiated cancellous bone allograft. Postoperative radiographic assessment of vertical bone gain was done at 3 and 6 months follow-up period. The mean initial and final bone height were 6...
July 2016: Journal of Indian Society of Periodontology
https://www.readbyqxmd.com/read/28296336/a-comprehensive-study-of-palate-development-in-miniature-pig
#15
Lindong Sun, Jiangyi Wang, Huina Liu, Zhipeng Fan, Songlin Wang, Juan Du
Palate development is an important morphogenetic event in facial development, including the fusion of the lateral and medial nasal portions of the frontonasal process and maxilla. Derailments of any of these events may result in cleft palate, the most frequent congenital craniofacial abnormality. Recent research has shown that the microanatomy of the miniature pig oral maxillofacial region is quite similar to that of humans, and the use of miniature pigs as a large animal model for dental and orofacial research is increasing...
March 15, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28295569/simultaneous-vascularized-bony-reconstruction-of-the-maxilla-and-mandible-using-a-single-fibula-a-case-report
#16
Alexander F Mericli, Jonathan S Friedstat, Edward I Chang, Matthew M Hanasono
Simultaneous maxillary and mandibular reconstruction is exceedingly rare. These are complicated cases, requiring consideration of multiple variables: defect components, donor site morbidity, recipient vessels, and so forth. We describe a unique case of secondary maxillary/mandibular reconstruction in a 59-year-old male. The original defect was created after removal of a buccal squamous cell carcinoma, involving the external cheek skin, buccal mucosa, right mandibular body, and right inferior maxilla; a free vertical rectus abdominis musculocutaneous flap was used for the initial reconstruction...
March 13, 2017: Microsurgery
https://www.readbyqxmd.com/read/28295492/association-between-occlusal-force-distribution-in-implant-overdenture-prostheses-and-residual-ridge-resorption
#17
Tameem Khuder, Norsiah Yunus, Eshamsul Sulaiman, Mohd Masood, Norliza Ibrahim, Taimur Khalid
BACKGROUND: This study aimed to compare residual ridge resorption (RRR) of anterior and posterior maxillary and mandibular edentulous ridges, in patients treated with mandibular implant overdentures (IOD) and compare with conventional complete dentures (CD), and to determine at each location, the association of RRR with the occlusal forces distribution and other patients' variables. METHODS: The anterior and posterior RRR of IOD (6 males, 17 females) and CD (12 males, 11 females) were determined using baseline and follow-up dental panaromic radiographs (DPT), (mean intervals 4±1...
March 10, 2017: Journal of Oral Rehabilitation
https://www.readbyqxmd.com/read/28294206/evaluation-of-accuracy-and-repeatability-using-cbct-and-a-dental-scanner-by-means-of-3d-software
#18
So-Ri Kim, Chong-Myeong Kim, Il-Do Jeong, Woong-Chul Kim, Hae-Young Kim, Ji-Hwan Kim
OBJECTIVE: The objective of the present study was to compare and evaluate the accuracy of three-dimensional (3D) image data acquired from cone beam computed tomography (CBCT) and a dental scanner using 3D software. MATERIALS AND METHODS: After selecting the full-arch forms of the maxilla and mandible as the master cast, the master cast was scanned via a high-precision optical scanner for use as master model data. The model was scanned 12 times each using CBCT and a dental scanner...
2017: International Journal of Computerized Dentistry
https://www.readbyqxmd.com/read/28294200/four-year-post-loading-results-of-full-arch-rehabilitation-with-immediate-placement-and-immediate-loading-implants-a-retrospective-controlled-study
#19
Alain Simonpieri, Roberta Gasparro, Giuseppe Pantaleo, Jolanda Mignogna, Francesco Riccitiello, Gilberto Sammartino
OBJECTIVES: The aim of this study was to evaluate implant survival rate and to measure peri-implant bone changes in fullarch rehabilitations with immediate placement and immediate loading implants with platform switching and Morse taper connection, in addition to platelet-rich fibrin (PRF) and buccal bone augmentation, after 4 years of follow-up. METHOD AND MATERIALS: In this retrospective controlled study, patients who had been fully rehabilitated with immediate placement and immediate loading implants were evaluated 4 years post-loading...
March 14, 2017: Quintessence International
https://www.readbyqxmd.com/read/28293940/variations-of-the-profile-of-the-nose-of-the-upper-lip
#20
Pierfrancesco Galzignato, Dario Bertossi, Massimo Albanese, Antonio Iurlaro, Umberto Luciano, Pietro Fiorino, Alessandro Rizzini, Daniele De Santis, Alessandro Zangani, Pierfrancesco Nocini
BACKGROUND: The aim of this study is to analyze the path needed to achieve a good aesthetic and functional result in patients treated with orthognathic surgery. METHODS: 73 patients with only III class malocclusion were treated with sagittal split ramus osteotomy (SSRO) and with Le Fort I in only one piece. Through the analysis of anatomical cephalometric tracings, changes in the skeletal base, upper incisor and nose's shape were evaluated. The statistical analysis measurements were calculated for each length and for each angle at T0 (preoperative value) and at T1 (post-operative value)...
March 14, 2017: Minerva Stomatologica
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