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https://www.readbyqxmd.com/read/28648763/technical-note-intra-alveolar-morphology-assessed-in-empty-dental-sockets-of-teeth-missing-post-mortem
#1
Lucas Raineri Capeletti, Ademir Franco, Rogério Vieira Reges, Rhonan Ferreira Silva
Dental human identification relies on distinctive traits detected and compared between ante-mortem (AM) and post-mortem (PM) data. Several distinctive traits may be found in dental roots, such as dilacerations and bifurcations. However, teeth are often dislodged during the manipulation of skeletal remains, charred bodies and bodies retrieved from water. In these situations the identification process is hampered. The present study aims to retrieve information of teeth missing PM through the investigation of intra-alveolar morphology in empty dental sockets using different dental impression materials...
June 15, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28643933/oncologic-doses-of-zoledronic-acid-induce-site-specific-suppression-of-bone-modelling-in-rice-rats
#2
C R Exposto, U Oz, J S Callard, M J Allen, H Khurana, A D' Atri, X Mo, S A Fernandez, D N Tatakis, K Edmonds, P M Westgate, S S Huja
OBJECTIVES: To examine the effect of zoledronic acid (ZOL) on cortical bone modelling and healing of extraction sockets in the jaw bones of a rodent model. We hypothesized ZOL suppresses both the bone formation in the modelling mode in the jaw bones and alters the extraction site healing. MATERIAL & METHODS: Rice rats were administered saline solution and two dose regimens of ZOL: 0.1 mg/kg, twice a week, for 4 weeks (n=17, saline=8 & ZOL=9) and a higher dose of 0...
June 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28643923/micro-anatomical-responses-in-periodontal-complexes-of-mice-to-calibrated-orthodontic-forces-on-the-crown
#3
A Pal, L Chen, L Yang, F Yang, B Meng, A H Jheon, S P Ho
OBJECTIVE: Correlating mechanical forces with quantifiable physical changes in the dentoalveolar complex. SETTING AND SAMPLE POPULATION: Male 6-week C57BL/6 mice (N=3), micro X-ray-computed tomography; post-analysis software to extract physical changes in periodontal ligament (PDL)-space. MATERIALS AND METHODS: Silicone-elastic bands were placed between maxillary molars for 1 week, with the contralateral side as internal control. Average displacements between crowns and roots, and changes in PDL-spaces were evaluated by registering X-ray tomograms of experimental and control hemi-maxillae...
June 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28643883/is-ridge-preservation-augmentation-at-periodontally-compromised-extraction-sockets-safe-a-retrospective-study
#4
Jung-Ju Kim, Heithem Ben Amara, Frank Schwarz, Hae-Young Kim, Jung-Won Lee, Ulf Me Wikesjö, Ki-Tae Koo
OBJECTIVES: This study aimed to evaluate the safety of ridge preservation/augmentation procedures when performed at compromised extraction sockets. METHODS: Patients subject to ridge preservation/augmentation at periodontally compromised sockets at Seoul National University Dental Hospital(SNUDH) were evaluated in a chart review. Tooth extractions due to acute infection were not included in our study as chronically formed lesions are the only lesions that can be detected from radiographic images...
June 23, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28643222/ridge-preservation-using-an-in-situ-hardening-biphasic-calcium-phosphate-%C3%AE-tcp-ha-bone-graft-substitute-a-clinical-radiological-and-histological-study
#5
Ashish Kakar, Bappanadu H Sripathi Rao, Shashikanth Hegde, Nikhil Deshpande, Annette Lindner, Heiner Nagursky, Aditya Patney, Harsh Mahajan
BACKGROUND: Post-Extraction ridge preservation using bone graft substitutes is a conservative technique to maintain the width of the alveolar ridge. The objective of the present study was to evaluate an in situ hardening biphasic (HA/β-TCP) bone graft substitutes for ridge preservation without primary wound closure or a dental membrane. METHODS: A total of 15 patients reported for tooth extraction were enrolled in this study. Implants were placed in average 5.2 ± 2 months after socket grafting...
December 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28639452/-magnetic-resonance-strength-of-1-5-t-possibilities-detailed-view-of-the-optic-nerve
#6
P Hanzlíková, J Chmelová
Due to the increased availability of MRI, this modality is the first choice for patients with a suspected pathology of the optic nerve, chiasm and optic tracts. Magnetic resonance imaging allows to evaluate the optic nerve itself as well as the gain or atrophy, its focal changes; it also allows detailed views of the surrounding structures such as vagina of the optic nerve and the mutual ratio between the full thickness of the nerve and the vagina, and the nerve itself. MR method uses a tissue contrast of an adipose tissue structures to a detailed imaging of the orbit...
2017: Ceská a Slovenská Oftalmologie
https://www.readbyqxmd.com/read/28637137/development-and-acceptability-testing-of-decision-trees-for-self-management-of-prosthetic-socket-fit-in-adults-with-lower-limb-amputation
#7
Daniel Joseph Lee, Diana A Veneri
PURPOSE: The most common complaint lower limb prosthesis users report is inadequacy of a proper socket fit. Adjustments to the residual limb-socket interface can be made by the prosthesis user without consultation of a clinician in many scenarios through skilled self-management. Decision trees guide prosthesis wearers through the self-management process, empowering them to rectify fit issues, or referring them to a clinician when necessary. This study examines the development and acceptability testing of patient-centered decision trees for lower limb prosthesis users...
February 21, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28636059/clinical-outcome-and-complications-of-thoracic-and-pelvic-limb-stump-and-socket-prostheses
#8
Andrew Phillips, Elvin Kulendra, Edith Bishop, Michelle Monk, Kevin Parsons, Arthur House
OBJECTIVES: To describe the use, quality of life, compliance, complications, and outcome of animals fitted with stump socket prostheses. METHODS: Medical records of dogs fitted with a stump socket prosthesis were reviewed. Functional outcome, quality of life and complications were retrospectively assessed from an owner questionnaire. RESULTS: Thirteen stump socket prostheses (12 dogs) were fitted for a variety of reasons including trauma, congenital abnormalities, and neoplasia...
June 21, 2017: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/28633775/ball-and-socket-ankle-mechanism-and-computational-evidence-of-concept
#9
James R Jastifer, Peter A Gustafson, Aaron Labomascus, Tyler Snoap
The ball and socket ankle joint is a morphologically abnormal joint characterized by rounding of the articular surface of the talus. Other than anecdotal observation, little evidence has been presented to describe the development of this deformity. The purpose of the present study was to review ankle and subtalar joint mechanics and to kinematically examine the functional combination of these joints as a mechanism of the ball and socket ankle deformity. We reviewed functional representations of the ankle joint, subtalar joint, and ball and socket ankle deformity...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28628623/use-of-the-deka-arm-for-amputees-with-brachial-plexus-injury-a-case-series
#10
Linda Resnik, Christopher Fantini, Gail Latlief, Samuel Phillips, Nicole Sasson, Eve Sepulveda
OBJECTIVE: Patients with upper limb amputation and brachial plexus injuries have high rates of prosthesis rejection. Study purpose is to describe experiences of subjects with transhumeral amputation and brachial plexus injury, who were fit with, and trained to use, a DEKA Arm. METHODS: This was a mixed-methods study utilizing qualitative (e.g. interview, survey) and quantitative data (e.g. self-report and performance measures). Subject 1, a current prosthesis user, had a shoulder arthrodesis...
2017: PloS One
https://www.readbyqxmd.com/read/28627745/16-year-follow-up-of-an-avulsed-maxillary-central-incisor-after-replantation-following-10-h-storage-an-unusual-case
#11
Zuhal Kırzıoğlu, Özge Erken Güngör, Yıldırım Erdoğan
Tooth avulsion is a type of dental injury defined as the complete displacement of a tooth out of the alveolar socket, and the lack of prompt treatment measures can result in the loss of function, poor quality of life, and psychological and social problems. However, several factors may not permit the immediate replantation of an avulsed tooth; therefore, delayed replantation has emerged as an alternative to meet the esthetic, functional, and psychological demands of patients. Here it was described that the successful replantation of an avulsed maxillary central incisor in a 9-year-old boy who presented at the clinic with the tooth stored in unfavorable conditions as dry and then in olive oil-milk mixture almost 10 h after the event...
June 19, 2017: Special Care in Dentistry
https://www.readbyqxmd.com/read/28624870/translatory-hip-kinematics-measured-with-optoelectronic-surgical-navigation
#12
Sima Zakani, John F Rudan, Randy E Ellis
PURPOSE: An optoelectronic surgical navigation system was used to detect small but measurable translational motion of human hip cadavers in high-range passive motions. Kinematic data were also examined to demonstrate the role of soft tissues in constraining hip translation. METHODS: Twelve cadaver hips were scanned using CT, instrumented for navigation, and passively taken through motion assessment. Center of the femoral head was tracked in the acetabular coordinates...
June 17, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28624839/the-effects-of-irrigation-volume-to-the-heat-generation-during-implant-surgery
#13
A Sindel, Ö Dereci, M Hatipoğlu, A Altay, Ö Özalp, A Öztürk
BACKGROUND: To evaluate the effects of the amount of irrigation on heat generated during implant site preparation. MATERIAL AND METHODS: Ten freshly dissected sheep mandibles were sectioned into 30 equal bone blocks and transferred into a heat-controlled water tank. Implant socket preparations were performed with four consecutive drills. Temperature measurements were performed with a thermocouple inserted into the bone immediately before the preparation and after the drilling using three different physiologic saline irrigation set-ups: 1- No irrigation, 2- 12 ml/min and 3- 30 ml/min irrigation volume...
June 18, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/28617966/analysis-of-the-association-of-clinical-factors-and-il4-gene-polymorphisms-with-root-resorption-in-avulsed-teeth-after-1-year-of-replantation
#14
L Roskamp, P C Trevilatto, C M Souza, U X Silva Neto, E Carneiro, L F Fariniuk, V P D Westphalen
AIM: To investigate the association of clinical variables and polymorphisms (tag SNPs) in the interleukin 4 (IL4) gene, with the prognosis of avulsed and replanted teeth. METHODOLOGY: Ninety-four patients who suffered avulsion and had their teeth replanted and endodontically treated were included. Periapical radiographs were obtained soon after tooth replantation and after 1 year. For genotypic IL4 gene analysis, the DNA of the oral mucosa cells was collected, and polymorphisms investigated by Real Time-PCR...
June 15, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28613920/diagnosis-of-alveolar-and-root-fractures-in-macerated-canine-maxillae-a-comparison-between-two-different-cbct-protocols
#15
Solange Kobayashi-Velasco, Fernanda C S Salineiro, Ivan O Gialain, Marcelo G P Cavalcanti
OBJECTIVE: To compare two small field of view (FOV) cone-beam computed tomography (CBCT) protocols with different voxel sizes, and number of frames for the diagnosis of root and alveolar fractures in macerated canine maxillae. METHODS: Eighty incisor teeth from the canine species were inserted in eighty anterior alveolar sockets of twenty canine maxillae. An operator randomly divided each maxilla site (eighty sites in total) into four equal groups of 20 sites: 1 (sound tooth and non-fractured alveolar socket); 2 (sound tooth and fractured alveolar socket); 3 (fractured root and non-fractured alveolar socket); 4 (fractured root and fractured alveolar socket)...
June 14, 2017: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/28612069/copper-nanoparticles-socketed-in-situ-into-copper-phyllosilicate-nanotubes-with-enhanced-performance-for-chemoselective-hydrogenation-of-esters
#16
Xiaoxiao Gong, Meiling Wang, Huihuang Fang, Xiaoqi Qian, Linmin Ye, Xinping Duan, Youzhu Yuan
Copper nanoparticles exsoluted in situ under a reducing atmosphere at elevated temperatures are socketed into the parent copper phyllosilicate nanotubes and exhibit excellent catalytic performance and superior stability for the selective hydrogenation of various esters to alcohols.
June 22, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28611844/immediate-loading-of-single-implants-in-the-anterior-maxilla-a-1-year-prospective-clinical-study-on-34-patients
#17
Miguel Stanley, Filipa Calheiros Braga, Beatriz Mota Jordao
PURPOSE: To present the outcomes of immediately loaded single implants placed in the anterior maxilla. METHODS: Over a 2-year period, all patients referred to a private clinic were considered for enrolment in this study. Inclusion criteria were single-tooth placement in postextraction sockets or healed sites of the anterior maxilla. All implants were immediately loaded and followed for a period of 1 year after the placement of definitive crowns. The outcome measures were implant stability, survival, and success...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28610485/effects-of-the-bilayer-nano-hydroxyapatite-mineralized-collagen-guided-bone-regeneration-membrane-on-site-preservation-in-dogs
#18
Yi Sun, Chengyue Wang, Qixin Chen, Hai Liu, Chao Deng, Peixue Ling, Fu-Zhai Cui
This study was aimed at assessing the effects of the porous mineralized collagen plug with or without the bilayer mineralized collagen-guided bone regeneration membrane on alveolar ridge preservation in dogs. The third premolars in the bilateral maxilla of mongrel dogs ( N = 12) were extracted. Twenty-four alveolar sockets were thus randomly divided into three groups: membrane + collagen plug (MP, n = 8), nonmembrane + collagen plug (NP, n = 8) and blank group without any implantation (BG, n = 8)...
January 1, 2017: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/28604262/current-evidence-on-the-socket-shield-technique-a-systematic-review
#19
Amit Srikant Gharpure, Neel B Bhatavadekar
The recently popularised socket-shield technique involves intentional retention of a section of the remnant root at the time of immediate implant placement to preserve the buccal/proximal bone from resorption. The objective of this systematic review was to assess the literature available on the socket-shield technique and weigh its biological plausibility and long-term clinical prognosis. A Systematic Search was performed in PubMed-Medline, Embase, Web of Knowledge, Google Scholar and Cochrane Central for clinical/ animal studies up to April 2017...
June 12, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28601909/study-of-conjunctival-flora-in-anophthalmic-patients-influence-on-the-comfort-of-the-socket
#20
Alvaro Toribio, Teresa Marrodán, Isabel Fernández-Natal, Honorina Martínez-Blanco, Leandro Rodríguez-Aparicio, Miguel Á Ferrero
PURPOSE: To investigate the relationship between conjunctival flora and comfort of the socket in anophthalmic patients. METHODS: A cross-sectional clinical study including 60 patients with unilateral anophthalmia who wear a prosthetic eye. From each patient three microbiological samples were taken from the lower conjunctival sac (healthy eye, pre-prosthesis, and retro-prosthesis space of socket). The 180 samples obtained were cultured. Samples from a randomized subgroup of 29 patients were measured by spectrophotometry at 540 nm after 48 h of growth, to determine their microbial density (MD)...
June 10, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
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