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https://www.readbyqxmd.com/read/29046964/differences-in-maxillomandibular-morphology-among-patients-with-mucopolysaccharidoses-i-ii-iii-iv-and-vi-a-retrospective-mri-study
#1
Till Koehne, Anja Köhn, Reinhard E Friedrich, Uwe Kordes, Thorsten Schinke, Nicole Muschol, Bärbel Kahl-Nieke
OBJECTIVE: The aims of this study were to analyze the maxillomandibular morphology of patients with mucopolysaccharidosis (MPS) type I, II, III, IVa and VI and to evaluate the craniofacial effect of hematopoietic stem cell transplantation (HCST) in MPS I. MATERIALS AND METHODS: One hundred head magnetic resonance images were retrospectively analyzed from 41 MPS and 27 control individuals. The width, height and length of the maxilla and mandible were plotted against age and the means of controls, MPS I, MPS II and MPS III were statistically compared...
October 18, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29046788/a-rare-case-of-dedifferentiated-liposarcoma-of-the-sinonasal-cavity-a-case-report
#2
Masaru Miyazaki, Mikiko Aoki, Satoru Oba, Toshifumi Sakata, Takashi Nakagawa, Kazuki Nabeshima
Sarcoma is an uncommon histopathological presentation of sinonasal tumors, comprising ~15% of all cases; liposarcoma is particularly uncommon. An analysis of the available medical literature revealed no prior reports of dedifferentiated liposarcoma (DDLPS) of the sinonasal cavity. This case report presents a rare case of DDLPS of the sinonasal cavity. A 40-year old six-week pregnant female was admitted with a left nasal obstruction. Endoscopic evaluation of the left nasal cavity revealed a polypoid lesion. A computed tomography scan indicated a mass invading the left nasal cavity, maxillary sinus and anterior ethmoid sinus with focal destruction of the surrounding bone...
October 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29046240/comparison-of-temporomandibular-joint-and-ramus-morphology-between-class-ii-and-class-iii-cases-before-and-after-bi-maxillary-osteotomy
#3
Ran Iguchi, Kunio Yoshizawa, Akinori Moroi, Takamitsu Tsutsui, Asami Hotta, Ryota Hiraide, Akihiro Takayama, Tatsuya Tsunoda, Yuki Saito, Momoko Sato, Nana Baba, Koichiro Ueki
PURPOSE: The purpose of this study was to compare changes in temporomandibular joint (TMJ) and ramus morphology between class II and III cases before and after sagittal split ramus osteotomy (SSRO) and Le Fort I osteotomy. MATERIALS AND METHODS: The subjects were 39 patients (78 sides) who underwent bi-maxillary surgery. They consisted of 2 groups (18 class II cases and 21 class III cases), and were selected randomly from among patients who underwent surgery between 2012 and 2016...
September 22, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29044525/susceptibility-of-different-mouse-strains-to-peri-implantitis
#4
S Hiyari, A Naghibi, R Wong, R Sadreshkevary, L Yi-Ling, S Tetradis, P M Camargo, F Q Pirih
BACKGROUND AND OBJECTIVE: Peri-implantitis (PI) is an inflammatory condition that affects the tissues surrounding dental implants. Although the pathogenesis of PI is not fully understood, evidence suggests that the etiology is multifactorial and may include a genetic component. The aim of this study was to investigate the role of genetics in the development of peri-implantitis. MATERIAL AND METHODS: Four-week-old C57BL/6J, C3H/HeJ and A/J male mice had their left maxillary molars extracted...
October 17, 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/29044249/erratum-to-comparing-the-efficiency-of-two-different-extraction-techniques-in-removal-of-maxillary-third-molars-a-randomized-controlled-trial
#5
Joseph Edward, Mubarak A Aziz, Arjun Madhu Usha, Jyothi K Narayanan
[This corrects the article DOI: 10.1007/s12663-016-0935-1.].
December 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/29043973/-aesthetic-perception-of-the-vertical-position-of-the-incisal-edges-of-the-maxillary-lateral-incisors-in-the-smile-arch
#6
Sophie Stolz, François Lefebvre, Yves Bolender, Daniel Kanter
INTRODUCTION: The aim of this study is to assess the attractiveness in the smile arch of different vertical positions of the incisal edges of the maxillary lateral incisors. MATERIAL AND METHODS: A frontal photograph of a Caucasian woman's smile was digitally modified to obtain an image with the incisal edges of the maxillary lateral incisors symmetrically tangent to the smile arch. These incisal edges were then moved vertically by 0.5 mm increments. The value was considered positive for an occlusal shift and negative for a gingival shift...
September 2017: L' Orthodontie Française
https://www.readbyqxmd.com/read/29043972/-effects-of-maxillary-disjunction-on-canine-impaction-in-patients-presenting-a-maxillary-transverse-skeletal-deficiency
#7
Julien Wolff, Renaud Rinkenbach, Bruno Grollemund, Delphine Wagner
INTRODUCTION: This study focuses on the effects of rapid maxillary disjunction on the tendency to canine impaction in patients displaying a maxillary transverse skeletal deficiency. MATERIALS AND METHODS: Using the segmentation method described by Ericson and Kurol and modified by Lindauer, et al., a series of panoramic views taken before and after disjunction was studied to compare changes in the position of the tip of the maxillary canine depending on whether it was covered or not by the homolateral lateral incisor, according to the side and patient's sex...
September 2017: L' Orthodontie Française
https://www.readbyqxmd.com/read/29043970/-a-change-of-paradigm-in-the-treatment-of-class-ii-malocclusions-in-children-and-adolescents-the-benefits-of-the-class-ii-corrector
#8
Philippe Amat
INTRODUCTION: The treatment of class II malocclusions is the core of our clinical activity. What elements can clinician rely on to offer their patients, whether children or adolescents, a treatment of their class II malocclusion that is not only effective but also the most appropriate for each individual case? Which schedule and what therapeutic device should be used? MATERIALS AND METHODS: Evidence-based orthodontics, along with a search for the best data on two-phase treatments, were used to judge the validity of the main objectives sought when correcting a Class II malocclusion in children or adolescents, including treatment of mandibular retrognathy...
September 2017: L' Orthodontie Française
https://www.readbyqxmd.com/read/29043866/three-dimensional-finite-element-analysis-of-glass-fiber-and-cast-metal-posts-with-different-alloys-for-reconstruction-of-teeth-without-ferrule
#9
Fellippo Ramos Verri, Marlice Hayumi Theles Okumura, Cleidiel Aparecido Araujo Lemos, Daniel Augusto de Faria Almeida, Victor Eduardo de Souza Batista, Ronaldo Silva Cruz, Hiskell Francine Fernandes Oliveira, Eduardo Piza Pellizzer
The aim of this study was to evaluate different materials for restoration of teeth without ferrule by three-dimensional (3D) finite element analysis (FEA). Five models simulating the maxillary central incisor and surrounding bone were simulated according to the type of post: glass fibre post (GFP) or cast metal post (CMP) with different alloys such as gold (Au), silver-palladium (AgPd), copper-aluminum (CuAl) and nickel-chromium (NiCr). Models were designed using Invesalius and Rhinoceros. FEAs were made using FEMAP and NeiNastran, with an applied axial force of 100 N and oblique occlusal load at 45°...
October 18, 2017: Journal of Medical Engineering & Technology
https://www.readbyqxmd.com/read/29043461/effect-of-anti-angiogenesis-induced-by-chemotherapeutic-monotherapy-chemotherapeutic-bisphosphonate-combination-therapy-and-anti-vegfa-mab-therapy-on-tooth-extraction-socket-healing-in-mice
#10
Yuri Akita, Shinichiro Kuroshima, Kazunori Nakajima, Hiroki Hayano, Riho Kanai, Muneteru Sasaki, Takashi Sawase
Osteonecrosis of the jaw (ONJ), which is a rare but severe adverse effect, mainly occurs in oncology patients receiving chemotherapeutic agents and bisphosphonates. However, the combined impact of chemotherapy and bisphosphonates on wound healing after tooth extraction remains unknown. The aim of this study was to determine the precise etiology of ONJ induced by chemotherapy and bisphosphonate combination therapy. Mice received zoledronate (ZA) monotherapy, cyclophosphamide (CY) monotherapy or CY/ZA combination therapy...
October 17, 2017: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/29042742/class-ii-young-adult-treatment-with-twin-force-bite-corrector-10-year-follow-up
#11
Ozge Uslu-Akcam, Ayse Tuba Altug, Ufuk Toygar Memikoglu
One of the most preferred compliance free fixed functional appliances in nongrowing patients is Twin Force Bite corrector (TFBC). The aim of this case report is to evaluate the effectiveness of TFBC in the treatment of an adult Class II case. A 16-year 1-month-old boy having skeletal and dental Class II relationship was selected. Roth 0.018 × 0.025 inch slots brackets were attached; a fixed lingual arch in the mandibular dental arch and a Nance appliance in the maxillary dental arch were used to increase anchorage...
July 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29042725/the-effect-of-polymerization-and-preparation-techniques-on-the-microleakage-of-composite-laminate-veneers
#12
Neslihan Celik, Merve Iscan Yapar, Numan Taşpınar, Nilgun Seven
BACKGROUND: Marginal leakage is the important factor influencing the maintenance of dental esthetic. AIM: The purpose of this study was to evaluate the relationship between the preparation techniques and type of polymerization techniques on microleakage of composite laminate veneers. MATERIALS AND METHODS: Ninety-one same sized, caries-free human maxillary central incisors were randomly assigned to 13 groups (n = 7) and were designed with four different preparation techniques (window type, feather type, bevel type, and incisal overlap type)...
July 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29042006/comparative-study-of-cephalometric-measurements-using-3-imaging-modalities
#13
Juan Wen, Shu Liu, Xiao Ye, Xiaoqiu Xie, Jialing Li, Huang Li, Li Mei
BACKGROUND: The authors conducted a study to compare 2-dimensional (2D) lateral cephalometric radiography (LCR), 2D cone-beam computer tomographic (CBCT)-generated cephalogram and 3-dimensional (3D) CBCT for assessing cephalometric measurements. METHODS: The authors took 2D LCR, 2D CBCT-generated cephalogram, and 3D CBCT images involving 60 participants. They obtained 11 angular and 11 linear measurements for all images. They used 1-way analysis of variance and the Fisher least significant difference test for statistical comparisons...
October 14, 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/29040148/long-term-effects-of-bone-morphogenetic-protein-2-loaded-calcium-phosphate-on-maxillary-sinus-lift-surgery-for-delayed-and-simultaneous-dental-implantation
#14
Yuefeng Ding, Xuejuan Wang
Maxillary sinus lift surgery (MSLS) is considered to be a useful treatment method for patients with atrophic alveolar bone. Choosing a suitable surgical procedure to simultaneously decrease graft absorption and obtain long-term survival of dental implants is still a challenge. In this study, 20 patients received MSLS with graft of bone morphogenetic protein 2 (BMP2)-loaded calcium phosphate. Dental implants were placed simultaneously in 10 patients receiving MSLS (1-stage group), and in 10 patients receiving dental implants with a 3 to 6 months delay (2-stage group)...
October 16, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29038634/3-dimensional-plate-in-management-of-sagittal-palatal-fracture-a-novel-technique
#15
Anshul Rai
The palatal fracture is rare. There are varieties of techniques mentioned in the literature for fixation of palatal fracture. The management with Kirschner wire fixation, maxillary arch stabilization with the arch bars, trans-palatal, intra osseous, inter-molar, figure of eight wiring were technique sensitive and having poor patient compliance. We recommended the use of isolated 3 dimensional plate for fixation of sagittal palatal fracture.
December 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/29038624/comparing-the-efficiency-of-two-different-extraction-techniques-in-removal-of-maxillary-third-molars-a-randomized-controlled-trial
#16
Joseph Edward, Mubarak A Aziz, Arjun Madhu Usha, Jyothi K Narayanan
INTRODUCTION: Extractions are routine procedures in dental surgery. Traditional extraction techniques use a combination of severing the periodontal attachment, luxation with an elevator, and removal with forceps. A new technique of extraction of maxillary third molar is introduced in this study-Joedds technique, which is compared with the conventional technique. METHODS AND MATERIAL: One hundred people were included in the study, the people were divided into two groups by means of simple random sampling...
December 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/29037412/re-evaluating-the-diets-of-morotopithecus-bishopi-and-afropithecus-turkanensis-an-anterior-dentognathic-perspective
#17
Andrew S Deane
Afropithecus turkanensis (17-17.5 Ma; Kalodirr, Buluk, Locherangan, Moruorot, Nabwal Hills; Kenya) and Morotopithecus bishopi (20.6 Ma; Moroto II; Uganda) are both large-bodied catarrhines from the early Miocene of eastern Africa with relatively primitive cranial and postcanine dental morphology. They are primarily differentiated by a temporal separation of ∼3.6 million years and by postcranial samples suggesting that M. bishopi was capable of orthograde postures and below-branch arboreality, while A. turkanensis was most likely a pronograde quadruped...
November 2017: Journal of Human Evolution
https://www.readbyqxmd.com/read/29035825/effect-of-a-combination-of-mometasone-furoate-levofloxacin-and-retinyl-palmitate-with-an-in-situ-gel-forming-nasal-delivery-system-on-nasal-mucosa-damage-repair-in-an-experimental-rabbit-model
#18
Fadlullah Aksoy, Remzi Dogan, Orhan Ozturan, Ebru Altuntas, Fatma Gülgün Yener, Gulactı Topcu, Beril Guler
BACKGROUND: In this study a combination of Mometasone Furoate (MF)+Levofloxacin hemihydrate (LH)+Retinyl palmitate (RP) with an in situ gel-forming delivery system was evaluated at different stages of nasal mucosal damage repair in a rabbit maxillary sinus model. METHODS: In this study, 28 rabbits were included and assigned randomly to four groups. In all rabbits, a standard ostium was opened in the medial wall of the maxillary sinus by using a drill. Two different subsequently prepared gels with an in situ gel-forming delivery system were used...
October 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29034598/a-prospective-randomized-controlled-trial-of-the-two-window-technique-without-membrane-versus-the-solo-window-technique-with-membrane-over-the-osteotomy-window-for-maxillary-sinus-augmentation
#19
Huajie Yu, Danqing He, Lixin Qiu
BACKGROUND: Maturation of the grafted volume after lateral sinus elevation is crucial for the long-term survival of dental implants. PURPOSE: To compare endo-sinus histomorphometric bone formation between the solo- and two-window maxillary sinus augmentation techniques with or without membrane coverage for the rehabilitation of multiple missing posterior teeth. MATERIALS AND METHODS: Patients with severely atrophic posterior maxillae were randomized to receive lateral sinus floor elevation via the solo-window technique with membrane coverage (Control Group) or the two-window technique without coverage (Test Group)...
October 16, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/29034597/effect-of-composite-type-and-placement-technique-on-cuspal-strain
#20
Vilhelm G Ólafsson, André V Ritter, Edward J Swift, Lee W Boushell, Ching-Chang Ko, Gabrielle R Jackson, Sumitha N Ahmed, Terence E Donovan
OBJECTIVE: To compare the cuspal strain in Class II restorations made with bulk-fill and conventional composite resins. MATERIALS AND METHODS: Fifty extracted maxillary premolars were mounted into phenolic rings and divided into five groups (n = 10). Specimens received standardized MOD preparations. A two-step self-etch adhesive was applied and the preparations were restored using a custom matrix as follows: Filtek Supreme Ultra in eight 2-mm increments (FSUI); Filtek Supreme Ultra in bulk (FSUB); SonicFill in bulk (SF); SureFil SDR flow in bulk, covered with a 2-mm occlusal layer of Filtek Supreme Ultra (SDR/FSU); Tetric EvoCeram Bulk Fill in bulk (TEBF)...
October 16, 2017: Journal of Esthetic and Restorative Dentistry
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