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Deepak Passi, Geeta Singh, Shubharanjan Dutta, Sarang Sharma, Sonal Mishra, Chandan Gupta
No abstract text is available yet for this article.
September 2016: Journal of Maxillofacial and Oral Surgery
Shehab Ahmed Hamad, Jandar S Naif, Mahdi A Abdullah
OBJECTIVES: To evaluate the effect of low-level laser therapy on healing of extracted tooth socket of healthy rabbits. DESIGN: The sample of this study was 20 male rabbits of 2-2.5 kg weight with age range of 8-12 months. Right and left lower first premolar teeth were extracted. The extraction sockets of lower right first premolar were irradiated with 0.9 W gallium-aluminum-arsenide (GaAlAs) diode laser for 5 min, immediately after extraction and then every 72 h for the next 12 days...
September 2016: Journal of Maxillofacial and Oral Surgery
O M Gbotolorun, I M Dipo-Fagbemi, A O Olojede, S Ebigwei, J O Adetoye
This double-blind, randomized controlled study was done to assess the necessity of systemic antibiotics in the prevention of wound healing complications after intra-alveolar dental extraction. A consecutive recruitment method was used to allocate participants to two treatment groups. Subjects in group A (antibiotics group, n=75) received amoxicillin and metronidazole for 5 days postoperatively, while those in group B (placebo group, n=75) were given identical-looking placebo drugs in place of the antibiotics...
October 13, 2016: International Journal of Oral and Maxillofacial Surgery
Corey Pew, Glenn K Klute
Amputees often experience soft tissue breakdown and discomfort from the high transverse plane shear stresses between the residual limb and prosthesis. To evaluate the effects of varying the transverse plane stiffness, a small sample population of lower limb amputees wore a novel variable stiffness torsion adapter (VSTA). Peak transverse plane moments were evaluated for three fixed stiffness levels (compliant: 0.30Nm/°, intermediate: 0.57Nm/°, stiff: 0.91Nm/°) while participants traversed five tasks of daily living that emphasize transverse plane motion including: straight walking for reference, 90° turns, 180° turns, a static reach test, and the L-Test of functional mobility...
October 4, 2016: Gait & Posture
Hee-Yong Yi, Young-Seok Park, Benjamin E Pippenger, Bongho Lee, Richard J Miron, Michel Dard
PURPOSE: The placement of immediate implants has become a routine treatment modality for the replacement of missing teeth. The aim of the present study was to evaluate dimensional changes of hard tissues following tooth extraction, implant bed preparation, and the subsequent integration of titanium implants placed immediately or following an 8-week healing period. MATERIALS AND METHODS: All mandibular premolars were extracted and used as experimental sites in five beagle dogs...
October 14, 2016: International Journal of Oral & Maxillofacial Implants
Alberto Fernandez Ayora, Oscar González-Martín, Eric Rompen, Geoffrey Lecloux, France Lambert
The primary objective of this pilot study was to evaluate a new socket preservation technique involving the intentional expansion of the extraction socket buccal plate using a flapless internal corticotomy and biomaterials. A total of 11 patients requiring tooth extraction were enrolled in this study. The aim of this technique was to maintain or improve the hard and soft tissue contour of the ridge after tooth extraction. All surgical sites healed uneventfully. Significant alveolar bone dimension changes were observed in the coronal region of the ridge (-1...
November 2016: International Journal of Periodontics & Restorative Dentistry
Domenico Laurito, Riccardo Cugnetto, Marco Lollobrigida, Fabrizio Guerra, Annarita Vestri, Francesca Gianno, Sandro Bosco, Luca Lamazza, Alberto De Biase
This study aimed to evaluate the efficacy of an exposed high-density polytetrafluoroethylene (d-PTFE) membrane in preventing epithelial migration in postextraction sockets. For this purpose, a histologic description of the newly formed soft tissue underlying the membrane is presented. The periodontal status of the adjacent teeth was also evaluated to assess the gingival response. Ten premolar extraction sockets were treated. After tooth extraction, the sockets were filled with nanocrystalline hydroxyapatite and covered with d-PTFE membranes...
November 2016: International Journal of Periodontics & Restorative Dentistry
Barry P Levin
Different parameters can be measured during dental implant insertion to determine the primary stability of the implant. The purpose of this retrospective study was to investigate whether a correlation exists between immediate implant insertion torque value (ITV) and implant stability quotient (ISQ) in nonmolar sites. A total of 59 implants in 52 patients were placed into extraction sockets. ITV was recorded at surgery, and ISQ was recorded at surgery and at follow up. Implants with higher ITV and/or ISQ were evaluated at 6 to 8 weeks...
November 2016: International Journal of Periodontics & Restorative Dentistry
Nelson Carranza, Hernan Bonta, Ariel F Gualtieri, Mariana A Rojas, Federico G Galli, Facundo Caride
The purpose of this study is to evaluate the dimensional changes that occur in the alveolar ridge after minimally traumatic tooth extraction by means of computed tomography (CT), with special focus on the portion of bone supporting the gingival zenith. Twenty subjects with indication for singlerooted tooth extraction and preserved alveolar walls were selected for this study. After a minimally traumatic extraction, two CT scans were performed; the first within 24 hours postextraction (TC1) and the second 6 months (TC2) later...
September 2016: Acta Odontológica Latinoamericana: AOL
L Ernstbrunner, J-D Werthel, T Hatta, A R Thoreson, H Resch, K-N An, P Moroder
OBJECTIVES: The bony shoulder stability ratio (BSSR) allows for quantification of the bony stabilisers in vivo. We aimed to biomechanically validate the BSSR, determine whether joint incongruence affects the stability ratio (SR) of a shoulder model, and determine the correct parameters (glenoid concavity versus humeral head radius) for calculation of the BSSR in vivo. METHODS: Four polyethylene balls (radii: 19.1 mm to 38.1 mm) were used to mould four fitting sockets in four different depths (3...
October 2016: Bone & Joint Research
Shin Saeng Lim, Beomseok Lee, In Sook Kim, Soon Jung Hwang
OBJECTIVES: Osteonecrosis of the jaw has been increasing after dentoalveolar surgery in patients treated with an antiresorptive bisphosphonate (BP), especially strong zoledronate (ZA). The pathophysiology underlying why osteonecrosis occurs exclusively in the jaw bone remains unclear. This study investigated skeletal site-specific bone healing during the use of BPs to explore the preferential incidence of osteonecrosis of the jaw bone. STUDY DESIGN: Extraction of mandibular molar and creation of a tibia defect were performed in rats 2 weeks after weekly intravenous injections with the potent ZA and the weaker BP etidronate...
August 18, 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
Claudia Atala-Acevedo, Jaime Abarca, María José Martínez-Zapata, Jaime Díaz, Sergio Olate, Carlos Zaror
PURPOSE: The aim of the present study was to determine the success rate of autotransplanted permanent teeth with an open apex and to identify the most influential prognostic factors. MATERIALS AND METHODS: A systematic search of the MEDLINE, EMBASE, LILACS, and SciELO databases was conducted for January 1990 to August 2015. The study eligibility criteria were primary studies that had evaluated patients with autotransplantation with an open apex, with or without preparation of the socket, and a minimum of 12 months of follow-up...
September 15, 2016: Journal of Oral and Maxillofacial Surgery
Marco Degidi, Diego Nardi, Gianluca Sighinolfi, Adriano Piattelli
PURPOSE: The use of the conical coupling connection to support definitive restorations was evaluated in cases involving full acrylic resin or hybrid acrylic resin-composite prostheses. The aim of this study was to evaluate the performance of definitive fixed partial prostheses made with lithium disilicate and supported by coupling connection abutments and healed implants. MATERIALS AND METHODS: The prostheses were placed in the posterior regions of partially edentulous patients; 65 patients received fixed lithium disilicate restorations splinted with conical coupling connections to two implants...
October 10, 2016: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
Marco Tallarico, Erta Xhanari, Milena Pisano, Giacomo De Riu, Antonio Tullio, Silvio Mario Meloni
PURPOSE: To test the hypothesis that there is no difference in clinical, radiographic and aesthetic outcomes positioning single post-extractive ultra-wide 7 mm-diameter implants or waiting 4 months to place implant, after molar extraction and the socket preservation procedure. MATERIAL AND METHODS: Patients requiring one implant-supported single restoration to replace a failed tooth in the molar region of both maxilla and mandible were selected. Patients were randomised according to a parallel group design into two arms: implant installation in fresh extraction sockets augmented with corticocancellous heterologous bone and porcine derma (group A) or delayed implant installation 4 months after tooth extraction and socket preservation using the same materials (group B)...
2016: European Journal of Oral Implantology
Pietro Felice, Giovanni Zucchelli, Gioacchino Cannizzaro, Carlo Barausse, Michele Diazzi, Anna Trullenque-Eriksson, Marco Esposito
PURPOSE: To compare the clinical outcome of single implants placed immediately after tooth extraction with implants placed 6 weeks after tooth extraction (immediate-delayed placement), and with implants placed after 4 months of extraction and socket healing (delayed placement). MATERIALS AND METHODS: Two hundred and ten patients requiring a single implant-supported crown to replace a tooth to be extracted were randomised to receive immediate post-extractive implants (70 patients), immediate-delayed implants at 6 weeks (70 patients), and delayed implants after 4 months of healing (70 patients), according to a parallel group design...
2016: European Journal of Oral Implantology
Y Wang, Y Lin, B Chen, Y Zhang, P Di, C Yi
Objective: To assess and compare the radiographic outcomes of immediate implant placement with two different loading timing. Methods: The involved cases were collected from Department of Implantology, Peking University School and Hospital of Stomatology. Patients recieved immediate implant placement during 2010 Aug to 2012 Dec. The cases admitted delayed restoration program were assigned to Group Ⅰ(18 patients with 21 implants), the cases admitted immediate restoration program were assigned to Group Ⅱ (16 patients with 22 implants)...
October 9, 2016: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
R Grunert, S Schleifenbaum, R Möbius, G Sommer, D Zajonz, N Hammer, T Prietzel
Background: In total hip arthroplasty (THA), femoral head diameter has not been regarded as a key parameter which should be restored when reconstructing joint biomechanics and geometry. Apart from the controversial discussion on the advantages and disadvantages of using larger diameter heads, their higher cost is another important reason that they have only been used to a limited extent. The goal of this study was to analyse the price structure of prosthetic heads in comparison to other components used in THA...
October 7, 2016: Zeitschrift Für Orthopädie und Unfallchirurgie
Oreste Iocca, Alessio Farcomeni, Simon Pardiñas-Lopez, Huzefa S Talib
AIMS: To conduct a traditional meta-analysis and a Bayesian Network meta-analysis to synthesize the information coming from Randomized Controlled Trials on different socket grafting materials and combine the resulting indirect evidence in order to make inferences on treatments that have not been compared directly. MATERIALS AND METHODS: RCTs were identified for inclusion in the systematic review and subsequent statistical analysis. Bone height and width remodeling were selected as the chosen summary measures for comparison...
October 6, 2016: Journal of Clinical Periodontology
Neha Mathur, Ivan Glesk, Arjan Buis
Elevated skin temperature at the body/device interface of lower-limb prostheses is one of the major factors that affect tissue health. The heat dissipation in prosthetic sockets is greatly influenced by the thermal conductive properties of the hard socket and liner material employed. However, monitoring of the interface temperature at skin level in lower-limb prosthesis is notoriously complicated. This is due to the flexible nature of the interface liners used which requires consistent positioning of sensors during donning and doffing...
June 2016: Healthcare Technology Letters
Sam K Yasen, Zakk M Borton, Alistair I Eyre-Brook, Harry C Palmer, Stewart T Cotterill, Mike J Risebury, Adrian J Wilson
BACKGROUND: This paper reports the outcomes of patients undergoing ACL reconstruction using a TransLateral single bundle, all-inside hamstring technique at a minimum of two year follow-up. METHODS: The semitendinosus alone is harvested, quadrupled and attached in series to two adjustable suspensory fixation devices. Femoral and tibial sockets are produced using a retrograde drill. The graft is deployed, fixed and tensioned on both tibia and femur. Patients were evaluated preoperatively using the KOOS, Lysholm and Tegner scores and at six, 12 and 24months postoperatively...
September 27, 2016: Knee
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