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https://www.readbyqxmd.com/read/28226765/generation-of-3d-thermal-models-for-dentistry-applications
#1
Mauren Abreu de Souza, Andriy Guilherme Krefer, Gustavo Benvenutti Borba, Gustavo J Vizinoni E Silva, Ana Paula G O Franco, Humberto Remigio Gamba, Mauren Abreu de Souza, Andriy Guilherme Krefer, Gustavo Benvenutti Borba, Gustavo J Vizinoni E Silva, Ana Paula G O Franco, Humberto Remigio Gamba, Gustavo Benvenutti Borba, Andriy Guilherme Krefer, Ana Paula G O Franco, Mauren Abreu de Souza, Humberto Remigio Gamba, Gustavo J Vizinoni E Silva
There are a variety of medical imaging modalities available, although each modality focus into different aspects, for example: anatomical, physiological or geometrical information. This paper presents a new imaging modality (3D THERMO-SCAN) that combines anatomical computer tomography (CT) imaging slices, together with 2D infrared thermography images and 3D scanned shaped models of the area under study. Therefore, it is presented the 3D reconstructions involving a case study of a volunteer with bruxism. Some characteristics of bruxism are the hyperactivity of the chewing muscles, which changes the dynamics of microcirculation, also changing the correspondent skin's temperature...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28198442/a-novel-augmented-reality-system-for-displaying-inferior-alveolar-nerve-bundles-in-maxillofacial-surgery
#2
Ming Zhu, Fei Liu, Gang Chai, Jun J Pan, Taoran Jiang, Li Lin, Yu Xin, Yan Zhang, Qingfeng Li
Augmented reality systems can combine virtual images with a real environment to ensure accurate surgery with lower risk. This study aimed to develop a novel registration and tracking technique to establish a navigation system based on augmented reality for maxillofacial surgery. Specifically, a virtual image is reconstructed from CT data using 3D software. The real environment is tracked by the augmented reality (AR) software. The novel registration strategy that we created uses an occlusal splint compounded with a fiducial marker (OSM) to establish a relationship between the virtual image and the real object...
February 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28194343/the-effect-of-a-condylar-repositioning-plate-on-condylar-position-and-relapse-in-two-jaw-surgery
#3
Gyu Sik Jung, Taek Kyun Kim, Jeong Woo Lee, Jung Dug Yang, Ho Yun Chung, Byung Chae Cho, Kang Young Choi
BACKGROUND: Numerous condylar repositioning methods have been reported. However, most of them are 2-dimensional or are complex procedures that require a longer operation time and a highly trained surgeon. This study aims to introduce a new technique using a condylar repositioning plate and a centric relation splint to achieve a centric relationship. METHODS: We evaluated 387 patients who had undergone surgery for skeletal jaw deformities. During the operation, a centric relation splint, intermediate splint, final centric occlusion splint, and condylar repositioning plate along with an L-type mini-plate for LeFort I osteotomy or a bicortical screw for bilateral sagittal split ramus osteotomy were utilized for rigid fixation...
January 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/28183288/towards-an-optimal-therapy-strategy-for-myogenous-tmd-physiotherapy-compared-with-occlusal-splint-therapy-in-an-rct-with-therapy-and-patient-specific-treatment-durations
#4
Robert J van Grootel, Rob Buchner, Daniël Wismeijer, Hilbert W van der Glas
BACKGROUND: Temporomandibular Disorders (TMD) may be characterized by pain and restricted jaw movements. In the absence of somatic factors in the temporomandibular joint, mainly myogenous, psychobiological, and psychosocial factors may be involved in the aetiology of myogenous TMD. An occlusal appliance (splint) is commonly used as a basic therapy of the dental practice. Alternatively, a type of physiotherapy which includes, apart from massage of sore muscles, aspects of cognitive-behavioural therapy might be a basic therapy for myogenous TMD...
February 10, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28166255/occlusal-stabilization-splint-for-patients-with-temporomandibular-disorders-meta-analysis-of-short-and-long-term-effects
#5
Jovana Kuzmanovic Pficer, Slobodan Dodic, Vojkan Lazic, Goran Trajkovic, Natasa Milic, Biljana Milicic
BACKGROUND: Psychological discomfort, physical disability and functional limitations of the orofacial system have a major impact on everyday life of patients with temporomandibular disorders (TMDs). In this study we sought to determine short and long term effects of stabilization splint (SS) in treatment of TMDs, and to identify factors influencing its efficacy. METHODS: MEDLINE, Web of Science and EMBASE were searched for randomized controlled trials (RCTs) comparing SS to: non-occluding splint, occlusal oral appliances, physiotherapy, behavioral therapy, counseling and no treatment...
2017: PloS One
https://www.readbyqxmd.com/read/28157490/effect-of-flat-plane-splint-vertical-thickness-on-disc-displacement-without-reduction-a-retrospective-matched-cohort-study
#6
Shang-Lun Lin, Shang-Liang Wu, Shun-Yao Ko, Ching-Yu Yen, Jung-Wu Yang
PURPOSE: The efficacy of occlusal splints for treating temporomandibular disorders (TMDs) remains controversial. This study aimed to evaluate and compare the effectiveness of flat-plane splints (FPSs) with a vertical thickness of 3 mm (VT3) and 5 mm (VT5) in treating disc displacement without reduction (DDWOR). MATERIALS AND METHODS: This retrospective matched-cohort study selected the study participants from 400 TMD patients treated in the Department of Oral and Maxillofacial Surgery of Tainan Sin-Lau Hospital, Tainan, Taiwan, between August 2013 and July 2015...
January 5, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28116429/-mandibular-manipulation-technique-followed-by-exercise-therapy-and-occlusal-splint-for-treatment-of-acute-anterior-tmj-disk-displacement-without-reduction
#7
Xin Jiang, Shuai Fan, Bin Cai, Zhong-Yi Fang, Li-Li Xu, Li-Kun Liu
PURPOSE: This study aimed to evaluate the short-term efficiency of mandibular manipulation technique combined with exercise therapy and splint treatment of acute anterior TMJ disc displacement without reduction (ADDW), and TMJ disc-condyle relationship by magnetic resonance imaging (MRI). METHODS: Forty-four patients (37 females, 7 males) were diagnosed as acute ADDW and confirmed by MRI. All patients underwent mandibular manipulation, combined with exercise therapy, including jaw movement exercise, stabilization exercise, disc reposition exercise, and splint treatment...
October 2016: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/28109797/evaluation-of-sleep-bruxism-with-a-novel-designed-occlusal-splint
#8
Kentaro Hirai, Tomoko Ikawa, Yuko Shigeta, Shuji Shigemoto, Takumi Ogawa
PURPOSE: This report presents our evaluation system that assesses sleep bruxism. The characteristics and fabrication process of our novel designed splint, and the analysis process of our system are presented. METHODS: The subjects were 17 volunteers. The splint was fabricated with a self-curing resin compounded with an amino-acid powder for easy wear on the semi-adjustable articulator, and adjusted for a full-balanced occlusion. An impression of the splint, located on the cast, was taken before and after it was worn...
January 18, 2017: Journal of Prosthodontic Research
https://www.readbyqxmd.com/read/28050317/association-between-dental-implants-in-the-posterior-region-and-traumatic-occlusion-in-the-adjacent-premolars-a-long-term-follow-up-clinical-and-radiographic-analysis
#9
Jae-Hong Lee, Helen Hye-In Kweon, Seong-Ho Choi, Young-Taek Kim
PURPOSE: The aim of this retrospective study was to determine the association between dental implants in the posterior region and traumatic occlusion in the adjacent premolars, using data collected during from 2002 to 2015. METHODS: Traumatic occlusion in the adjacent premolars was assessed by examining clinical parameters (bleeding on probing, probing pocket depth, fremitus, and tooth mobility) and radiographic parameters (loss of supporting bone and widening of the periodontal ligament space) over a mean follow-up of 5 years...
December 2016: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/28043747/osteoblastoma-of-the-temporal-articular-tubercle-misdiagnosed-as%C3%A2-a-temporomandibular-joint-disorder
#10
J Emanuelsson, C M Allen, K Rydin, M Sjöström
The case of a 17-year-old female with a benign osteoblastoma in the temporomandibular joint (TMJ) is reported. The patient had a 2.5-year history of reduced mouth opening accompanied by tenderness and swelling in the left TMJ. Initial treatment included stabilization of the occlusion with a splint, jaw exercises, and analgesics. At first the patient's symptoms decreased, but they then increased 18 months later, prompting a cone beam computed tomography (CBCT) evaluation of the joint. The radiographic findings showed a somewhat ill-defined, radiolucent, expansile lesion containing small scattered calcifications located in the temporal articular tubercle...
December 30, 2016: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28008431/3d-printed-orthodontic-brackets-proof-of-concept
#11
Karl-Friedrich Krey, Nawras Darkazanly, Rolf Kühnert, Sebastian Ruge
: Today, orthodontic treatment with fixed appliances is usually carried out using preprogrammed straight-wire brackets made of metal or ceramics. OBJECTIVE: The goal of this study was to determine the possibility of clinically implementing a fully digital workflow with individually designed and three-dimensionally printed (3D-printed) brackets. MATERIALS AND METHODS: Edgewise brackets were designed using computer-aided design (CAD) software for demonstration purposes...
2016: International Journal of Computerized Dentistry
https://www.readbyqxmd.com/read/27965530/the-effect-of-physical-therapy-treatment-in-patients-with-subjective-tinnitus-a-systematic-review
#12
REVIEW
Sarah Michiels, Sebastiaan Naessens, Paul Van de Heyning, Marc Braem, Corine M Visscher, Annick Gilles, Willem De Hertogh
Background: Tinnitus is a very common symptom that often causes distress and decreases the patient's quality of life. Apart from the well-known causes, tinnitus can in some cases be elicited by dysfunctions of the cervical spine or the temporomandibular joint (TMJ). To date however, it is unclear whether alleviation of these dysfunctions, by physical therapy treatment, also decreases the tinnitus complaints. Such physical therapy could be an interesting treatment option for patients that are now often left without treatment...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/27938659/-the-long-face-syndrome
#13
Federico Hernández-Alfaro
INTRODUCTION: Since the beginning of cephalometric analysis, a significant number of approaches to vertical facial proportions have been proposed. In our view, diagnosing a vertical problem has nothing to do with numbers or measurements. It's all about perceptions and - rather subjective - impressions. An "impression" of long face may be provoked by the following causes isolated or combined: vertical maxillary hyperplasia, open bite, anterior vertical mandibular hyperplasia, narrow face, lack of chin-neck definition...
December 2016: L' Orthodontie Française
https://www.readbyqxmd.com/read/27866699/recording-the-trajectory-of-mouth-opening-and-closing-for-the-fabrication-of-an-occlusal-splint
#14
Jong-Eun Kim, Joo Hyun Kwon, Jee-Hwan Kim, June-Sung Shim
Various attempts have been made to transfer the transverse hinge axis and mandibular movement pattern to the mechanical articulator and to fabricate dental prostheses with the fewest errors. However, the occlusal adjustment of a dental prosthesis is always necessary to ensure a precise intraoral fit even when the facebow transfer technique is used in the cast mounting procedure. This is because the true hinge axis is not obtained when the facebow is applied to a patient who exhibits a variable mandible movement pattern rather than a single rotational axis...
November 17, 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/27815012/three-dimensional-printed-final-occlusal-splint-for-orthognathic-surgery-design-and-validation
#15
E Shaheen, Y Sun, R Jacobs, C Politis
Orthognathic surgery is indicated for the treatment of significant skeletal malocclusion and is normally prepared using conventional face bows combined with two-dimensional cephalometric analysis and manually made splints. With recent developments in oral imaging, more orthognathic surgeries are being planned using three-dimensional computer-aided design and manufacturing (3D CAD/CAM) software. The purpose of this study was to present a protocol for the design and 3D printing of final digital occlusal splints based on 3D planning of orthognathic surgery and to validate the accuracy of these splints...
January 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27814253/a-progressive-approach-for-the-use-of-occlusal-devices-in-the-management-of-temporomandibular-disorders
#16
Jonathan P Wiens
Temporomandibular disorders (TMDs) represent a broad spectrum of conditions associated with the temporomandibular joints and the neuromuscular system. Evidence-based diagnostic criteria for various TMDs are emerging, while corresponding treatment procedures remain less clear. As a result, the clinician may be uncertain how to best care for TMD patients. The objectives of this evidence-based review were to outline the various types of occlusal devices, assess the efficacy of occlusal splints in treating TMD patients, and create a treatment rubric based on diagnostic criteria and condition severity...
November 2016: General Dentistry
https://www.readbyqxmd.com/read/27752217/use-of-occlusal-splint-for-noninvasive-fixation-of-a-reference-frame-in-orbital-navigation-surgery
#17
Toshinori Iwai, Taro Mikami, Kazunori Yasumura, Iwai Tohnai, Jiro Maegawa
INTRODUCTION: When prepping for navigation surgery, a reference frame must be fixed to the patient's head with a Mayfield clamp, bone anchor, headset, or headband. Fixation of the clamp or bone anchor with a screw or head pins is invasive, whereas use of a headband or headset is noninvasive. However, during orbital surgery for blowout fractures or orbital tumors, surgeons or instruments can interfere between the reference frame and the optical tracking navigation system, even if using noninvasive fixation...
September 2016: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/27722221/a-10-year-report-from-a-multicentre-randomised-controlled-trial-immediate-non-occlusal-versus-early-loading-of-dental-implants-in-partially-edentulous-patients
#18
RANDOMIZED CONTROLLED TRIAL
Francesco Zuffetti, Marco Esposito, Fabio Galli, Matteo Capelli, Giovanni Grandi, Tiziano Testori
PURPOSE: To compare peri-implant bone and soft-tissue levels of immediate non-occlusally loaded versus non-submerged early loaded implants in partially edentulous patients 10 years after loading. MATERIALS AND METHODS: Fifty-two patients were randomised in five Italian private practices: 25 in the immediately loaded group and 27 in the early loaded group. To be immediately loaded, single implants had to be inserted with a torque of at least 30 Ncm, and splinted implants with a torque of at least 20 Ncm...
2016: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/27713450/comprehensive-occlusion-and-bite-splint-course
#19
(no author information available yet)
No abstract text is available yet for this article.
October 7, 2016: British Dental Journal
https://www.readbyqxmd.com/read/27701462/accuracy-of-a-real-time-computerized-binocular-three-dimensional-trajectory-tracking-device-for-recording-functional-mandibular-movements
#20
Tian Zhao, Huifang Yang, Huaxin Sui, Satyajeet Sudhir Salvi, Yong Wang, Yuchun Sun
OBJECTIVE: Developments in digital technology have permitted researchers to study mandibular movements. Here, the accuracy of a real-time, computerized, binocular, three-dimensional (3D) trajectory-tracking device for recording functional mandibular movements was evaluated. METHODS: An occlusal splint without the occlusal region was created based on a plaster cast of the lower dentition. The splint was rigidly connected with a target on its labial side and seated on the cast...
2016: PloS One
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