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https://www.readbyqxmd.com/read/28231619/connective-tissue-graft-and-tunnel-or-trapezoidal-flap-for-the-treatment-of-single-maxillary-gingival-recessions-a-randomized-clinical-trial
#1
Mauro Pedrine Santamaria, Felipe Lucas da Silva Neves, Camila Augusto Silveira, Ingrid Fernandes Mathias, Stephanie Botti Fernandes-Dias, Maria Aparecida Neves Jardini, Dimitris N Tatakis
BACKGROUND: Although ample evidence supports connective tissue graft (CTG) use for root coverage, there is need for research on recipient site preparation approaches. The purpose of this study was to compare the outcomes of trapezoidal coronally advanced flap (CAF) and coronally advanced tunnel flap (TUN) when used in conjunction with CTG. METHODS: Forty-two patients presenting 42 single maxillary, Miller Class I and II, gingival recession defects were randomly assigned to receive either CAF+CTG (N=21) or TUN+CTG (N=21)...
February 23, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28231348/association-between-bone-graft-volume-and-maxillary-sinus-membrane-elevation-height
#2
Tetsuya Sonoda, Takehiro Harada, Nobuyuki Yamamichi, Alberto Monje, Hom-Lay Wang
PURPOSE: Maxillary sinus augmentation via crestal approach has been advocated as an alternative approach for sinus membrane elevation. Presently, no study has examined the relationship between the amount of bone grafting material placed and the final sinus membrane elevation height. Therefore, the present study was aimed at investigating the extent of sinus membrane elevation height depending on the amount of bone grafting material inserted as well as three-dimensionally assessing the likelihood of membrane perforation during membrane elevation...
February 23, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28230919/maxillary-ameloblastoma-factors-associated-with-risk-of-recurrence
#3
Rong Yang, Zheqi Liu, Canbang Peng, Wei Cao, Tong Ji
BACKGROUND: Maxillary ameloblastomas are rare and associated with an aggressive course because of the anatomic composition of the maxilla and adjacent structures. The risk factors associated with recurrence were analyzed in this retrospective study. METHODS: Cases of maxillary ameloblastoma reported in a tertiary hospital from 2005 to 2015 were analyzed to identify clinicopathological and radiological factors associated with recurrence using univariate and multivariate Cox regression analyses...
February 23, 2017: Head & Neck
https://www.readbyqxmd.com/read/28230597/histomorphometric-evaluation-of-two-different-bone-substitutes-in-sinus-floor-augmentation-procedures
#4
Marco Portelli, Marco Cicciù, Floriana Lauritano, Gabriele Cervino, Maurizio Manuelli, Enrico Felice Gherlone, Alessandra Lucchese
The aim of this study is to compare the histomorphometric data of deproteinized bovine bone (DBB) and a fully synthetic bone substitute, poly (lactic-co-glycolic) acid/hydroxyapatite (PLGA/HA) applied for sinus floor augmentation technique. Twelve maxillary atrophic ridges of 8 patients requiring major maxillary sinus floor augmentation were studied; the sites were randomly assigned to the study groups and reexamined at 6 months after grafting using cone beam computed tomography scans and biopsy samples harvested during dental implant placement...
February 22, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28230590/modified-lateral-surgical-approach-to-the-pterygopalatine-fossa
#5
Masataka Uehara, Masaaki Sasaguri, Shunji Shiiba, Kazuhiro Tominaga
Oral cancer, especially that originates in the maxillary tuberosity, buccal mucosa, and maxillary alveolus, is apt to invade the pterygopalatine fossa, where an intraoral approach is nearly impossible. There are 2 main types of extraoral approach to the pterygopalatine fossa; the anterior approach and the lateral approach. Although the lateral approach has an advantage compared with the anterior approach in terms of cosmetics, after the operation numbness of the lower lip occurs due to the sacrifice of the mental nerve...
February 22, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28229850/-effect-of-dental-arch-length-decrease-during-orthodontic-treatment-in-the-upper-airway-development-a-review
#6
Stéphanie Haddad, Jean-Baptiste Kerbrat, Thomas Schouman, Patrick Goudot
INTRODUCTION: A possible relation between an upper airway space decrease and the development of obstructive sleep apnea syndrom explains the importance to know the effect of the modification of dental arch length on the upper airway during orthodontic treatment. OBJECTIVES: The aim of this article is to expose recent knowledge about upper airway development and dental arch length decrease factors, to determine the influence of this decrease on upper airway development...
March 2017: L' Orthodontie Française
https://www.readbyqxmd.com/read/28229236/asymmetric-bone-remodeling-in-mandibular-and-maxillary-tori
#7
Jean-Daniel Kün-Darbois, Bernard Guillaume, Daniel Chappard
OBJECTIVES: Tori are frequent paucisymptomatic bony outgrowths of the oral cavity in three locations: torus palatinus (TP), mandibularis (TM), and maxillaris (TMax). Their usually described histological characteristics are unspecific: normal cortical bone with more or less trabecular bone. The aim of this study was to describe tori's specific morphological and histomorphometric characteristics. MATERIALS AND METHODS: Histological characteristics in a series of 18 tori collected after surgical removal were analyzed...
February 23, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28228785/mesenchymal-stem-cells-in-post-surgical-cavities-of-large-maxillary-bone-lesions
#8
Roberto Bertolai, Carlo Catelani, Mattia Signorini, Alessandro Rossi, Domenico Giannini
BACKGROUND: Recent studies have highlighted that MSCs are capable of regenerating large bone defects when used in combination with bone substitutes and increasing allo-graft osteointegration. We investigated the hypothesis that autologous MSCs may lead to increased bone regeneration and reduced healing time in post-surgical cavities of large maxillary bone lesions. METHODS: This study involved 10 patients (TEST GROUP) (6 males and 4 females). All patients had expansive mandibular lesions larger than 3 cm...
September 2016: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/28228678/oreoglanis-hponkanensis-a-new-sisorid-catfish-from-north-myanmar-actinopterygii-sisoridae
#9
Xiao-Yong Chen, Tao Qin, Zhi-Ying Chen
During a survey of the Mali Hka River drainage in Hponkanrazi Wildlife Sanctuary in December 2015, a new species was collected and is described herein as Oreoglanis hponkanensis. It is a member of the Oreoglanis siamensis species group and can be distinguished from its congeners in having a unique combination of the following characters: lower lip with median notch and posterior margin entire, caudal fin emarginate, nasal barbel reaching about half the distance to eye, tip of maxillary barbel rounded, posterior margin of maxillary barbel entire, absence of pale elliptical patches on sides of body below adipose fin, absence of patch on base of first dorsal fin ray, caudal fin brown with two round, bright orange patches in middle, branched dorsal fin rays 5, branched anal fin rays 2, vertebrae 40, pectoral fin surpassing pelvic fin origin, pelvic fin length 21-26% SL, caudal peduncle length 25-33% SL, caudal peduncle depth 3-5% SL, adipose fin base length 34-39% SL, and dorsal to adipose distance 12-16% SL...
2017: ZooKeys
https://www.readbyqxmd.com/read/28228135/comparison-of-digital-panoramic-radiography-versus-cone-beam-computerized-tomography-for-measuring-alveolar-bone
#10
Zunan Tang, Xianchu Liu, Kejia Chen
BACKGROUND: Cone beam computerized tomography (CBCT) has been widely used in dental implanting. However, the local hospitals usually don't have access to CBCT due to the cost and medical investment, especially in West of China. The doctors in local hospitals have to make reasonable dental planting using orthopantomography (OPG) to reduce risks. Therefore, it is clinically meaningful to determine the magnification rate of OPG to obtain correct diagnosis. This study investigated the magnification rate of OPG in measuring different maxillofacial loci compared with CBCT...
February 22, 2017: Head & Face Medicine
https://www.readbyqxmd.com/read/28223139/the-role-of-il-1-gene-polymorphisms-il1a-il1b-and-il1rn-as-a-risk-factor-in-unsuccessful-implants-retaining-overdentures
#11
Margarida Sampaio Fernandes, Paula Vaz, Ana Cristina Braga, João Carlos Sampaio Fernandes, Maria Helena Figueiral
PURPOSE: Implant-supported overdentures are an alternative predictable rehabilitation method that has a high impact on improving the patient's quality of life. However, some biological complications may interfere with the maintenance and survival of these overdenture implants. The goal of this article was to assess the factors that affect peri-implant success, through a hypothetical prediction model for biological complications of implant overdentures. METHODS: A retrospective observational, prevalence study was conducted in 58 edentulous Caucasian patients rehabilitated with implant overdentures...
February 17, 2017: Journal of Prosthodontic Research
https://www.readbyqxmd.com/read/28223015/surgical-management-of-ankyloses-of-the-temporomandibular-joint-by-a-piezoelectric-device
#12
Giuseppe Spinelli, Domenico Valente, Giuditta Mannelli, Mirco Raffaini, Francesco Arcuri
INTRODUCTION: Piezosurgery is commonly used in different field of craniomaxillofacial surgery; since its introduction it has become one of the widely adopted technique for performing osteotomies in orthognathic surgery, distraction osteogenesis and dentoalveolar surgery. Little has been written regarding ultrasonic system for temporomandibular joint surgery (TMJ). In this prospective study we describe the use of piezoelectric device for ankylosis of the TMJ. MATERIALS AND METHODS: We enrolled in this study 19 patients, 10 males and 9 females, mean (SD) age 24...
December 18, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28222893/reconstruction-of-midface-defect-from-idiopathic-destructive-process-using-medpor-implant
#13
Joel Franco, Michael S Harris, Dominic Vernon, Taha Z Shipchandler
IMPORTANCE: Reconstruction of the midface remains a challenging task for even the most experienced surgeon, with a host of reconstructive options including free tissue transfer, allografts, or prosthetic implants. Presented here is a case of idiopathic bony destruction of the right midface in a 19year old female, creating a unique defect requiring repair. OBJECTIVE: Demonstrate a unique case of severe maxillary degeneration and discuss the associated reconstructive challenges and final repair with a prosthetic implant...
January 18, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28222873/influence-of-abutment-tooth-geometry-on-the-accuracy-of%C3%A2-conventional-and-digital-methods-of-obtaining-dental%C3%A2-impressions
#14
Jeison B Carbajal Mejía, Kazumichi Wakabayashi, Takashi Nakamura, Hirofumi Yatani
STATEMENT OF PROBLEM: Direct (intraoral) and indirect (desktop) digital scanning can record abutment tooth preparations despite their geometry. However, little peer-reviewed information is available regarding the influence of abutment tooth geometry on the accuracy of digital methods of obtaining dental impressions. PURPOSE: The purpose of this in vitro study was to evaluate the influence of abutment tooth geometry on the accuracy of conventional and digital methods of obtaining dental impressions in terms of trueness and precision...
February 17, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28222867/prosthodontic-treatment-of-a-retrognathic-edentulous-maxilla-demonstrating-limited-interarch-distance-3-5-year-results-with-fixed-and-removable-implant-prostheses
#15
Won-Suk Oh, Furat George, Ju-Mi Park
The prosthodontic treatment of patients with a retrognathic edentulous maxilla should consider the restoration of the lower facial profile and access for oral hygiene. This clinical report describes prosthodontic treatments of a patient with edentulism who presented with repeated fractures of the denture teeth of a maxillary implant-supported complete fixed dental prosthesis (ICFDP) and a mandibular implant-supported overdenture. Considerable plaque accumulation was noted on the ICFDP, which was replaced with an open palatal design implant-supported overdenture...
February 17, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28222838/prevalence-of-food-impaction-induced-periodontitis-in-conventionally-housed-marsh-rice-rats-oryzomys-palustris
#16
Jonathan G Messer, Jessica M Jiron, Hung-Yuan Chen, Evelyn J Castillo, Jorge L Mendieta Calle, Mary K Reinhard, Donald B Kimmel, J Ignacio Aguirre
Marsh rice rats (Oryzomys palustris) fed a pelleted diet high in sucrose and casein have been used as a model for moderate to severe periodontitis. Here we characterize the prevalence, location, and histopathologic features of food-impaction lesions (FIL), a unique type of oral event, in rice rats fed standard pelleted rodent chow from weaning until 34 wk of age. Healthy female rats (n = 90; age, 4 wk) were weaned into groups (n = 10 to 24) and were euthanized at 4, 16, 22, 28, or 34 wk of age. At necropsy, high-resolution photographs of the 4 jaw quadrants were examined by 3 independent observers to determine the presence, number, and location of FIL...
February 1, 2017: Comparative Medicine
https://www.readbyqxmd.com/read/28219166/-the-value-of-sinonasal-ct-scan-in-diagnosing-of-eosinophilic-chronic-rhinosinusitis-with-nasal-polyps
#17
Y F Meng, H F Lou, C S Wang, L Zhang
Objective: To compare the value of sinonasal CT scan with other clinical parameters in the pre-diagnosis of eosinophilic chronic rhinosinusitis with nasal polyps (eCRSwNP). Methods: From January to May of 2016, One hundred and fifty consecutive CRSwNP patients (90 eCRSwNP and 60 non-eosinophilic CRSwNP) undergoing endoscopic functional sinus surgery in Beijing Tongren Hospital were recruited in this study. Preoperative CT scan, skin prick test (SPT) and oral fractional exhaled nitric oxide (FeNO) measurements were performed in each patient and full blood count with differential analysis was performed within 1 week before surgery...
February 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28218034/extensive-maxillary-odontomas-in-2-dogs
#18
Naomi K Hoyer, Kristin M Bannon, Cynthia M Bell, Jason W Soukup
Two immature male dogs were presented for the treatment of extensive maxillary compound odontomas. In both cases, clinical evaluation and diagnostic imaging revealed extensive lesions invading and displacing anatomical structures of the maxilla. Histopathology confirmed the diagnoses in both cases. One dog was treated with partial rostral maxillectomy, and the other dog was treated with enucleation of the cystic lining and removal of tooth-like structures through a lateral rhinotomy utilizing an intraoral approach...
December 2016: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/28218026/gingival-fibrosarcoma-in-a-horse
#19
Apryle Horbal, Padraic M Dixon
A 4-year-old thoroughbred cross mare was referred to the University of Edinburgh Veterinary School Equine Hospital for treatment of a soft tissue tumor on the buccal gingival margin of the rostral right maxillary cheek teeth. The lesion was initially surgically excised and diagnosed as a fibrosarcoma via histopathology. Adjunctive treatment with intralesional cisplatin chemotherapy was begun. The tumor recurred and was repeatedly treated with intralesional cisplatin injections and additional surgical resection over the course of 14 weeks...
December 2016: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/28217883/clinical-and-radiographic-outcome-following-immediate-loading-and-delayed-loading-of-single-tooth-implants-randomized-clinical-trial
#20
Björn Gjelvold, Jenö Kisch, Bruno Ramos Chrcanovic, Tomas Albrektsson, Ann Wennerberg
BACKGROUND: Immediate loading of single implants is generally considered a reliable procedure. PURPOSE: The objective of the present prospective randomized clinical study was to compare the overall treatment outcome following immediate loading (IL) and delayed loading (DL) of single implants after 1 year of follow-up. MATERIALS AND METHODS: Patients with a missing maxillary tooth (15-25) were randomly assigned to IL or DL. The protocol included implant installation in healed sites, immediate loading, delayed loading, temporary screw-retained restoration, and replacement with a permanent single implant crown...
February 19, 2017: Clinical Implant Dentistry and related Research
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