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Maxillary fractures

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https://www.readbyqxmd.com/read/29753777/surgically-assisted-rapid-palatal-expansion-in-class-iii-malocclusion-our-experience
#1
A Barrabé, C Meyer, H Bonomi, Weber Elise, N Sigaux, A Louvrier
INTRODUCTION: Maxillary transverse deficiency (MTD) is a common facial disharmony that may need surgical assisted rapid palatal expansion (SARPE). The aim of this study was to present our SARPE technique and to report about our experience. MATERIEL AND METHOD: Medical records of all class III patients who underwent SARPE in our department from 2010 to 2015 and for whom a follow-up of at least 1 year was available, were included in a retrospective study. The technic consisted, after short orthodontic preparation allowing for divergence of the upper central incisors, in a complete Le Fort I osteotomy without down fracture, and medial sagittal submucosal separation of the hard palate under general anesthesia in an inpatient procedure...
May 10, 2018: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29750094/effect-of-cusp-coverage-and-water-storage-on-compressive-strength-of-composite-restorations-of-premolars
#2
Shila Emamieh, Parvaneh Hojati, Amir Ghasemi, Hasan Torabzadeh
Background: The aim of this study was to assess the effect of cusp coverage and water storage on compressive strength of composite restorations. Material and Methods: This in vitro experimental study was conducted on 40 extracted human maxillary premolar teeth, which were randomly divided into four groups of 10. Mesio-occluso-distal (MOD) cavities were prepared in all teeth. The thickness of composite for cusp coverage was 1.5 mm in groups 1 and 3 and 2.5 mm in groups 2 and 4...
April 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29729026/longevity-of-bond-strength-of-resin-cements-to-root-dentine-after-radiation-therapy
#3
P A Yamin, R D Pereira, F C Lopes, A M Queiroz, H F Oliveira, P C Saquy, M D Sousa-Neto
AIM: To evaluate the bond strength and adhesive interface between several resin cements and root dentine immediately and after 6 months of radiotherapy protocol. METHODOLOGY: Sixty maxillary canines were selected and randomly assigned to two groups (n=30): one group was not irradiated, and the other one was subjected to a cumulative radiation dose of 60 Gy. The teeth were sectioned to obtain roots with 16 mm length, and the canals were prepared with Reciproc system (R50) and filled using a lateral condensation technique with epoxy resin sealer...
May 4, 2018: International Endodontic Journal
https://www.readbyqxmd.com/read/29728542/fracture-strength-of-posterior-crowns-made-of-adoro-and-gradia-fiber-reinforced-composites
#4
Hosseinali Mahgoli, Mahnaz Arshad, Mehdi Saeedirad, Mohammad H Mahgoli
Aim: The aim of this study was to assess the fracture strength of posterior crowns made of Adoro and Gradia fiber-reinforced composites (FRCs). Materials and methods: In this in vitro, experimental study, extracted sound 37 maxillary first and second premolars were selected. A celluloid index was taken from teeth and the teeth received crown preparation. Impressions were made and poured. Composite crowns were fabricated of Adoro and Gradia composite resins. After curing, the teeth were immersed in distilled water for 24 hours and thermal cycled for 6,000 cycles between 5 and 55°C...
April 1, 2018: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29713448/pseudoaneurysm-of-the-internal-maxillary-artery-secondary-to-subcondylar-fracture-case-report-and-literature-review
#5
Alessandro Moro, Mattia Todaro, Alessandro Pedicelli, Andrea Alexandre, Sandro Pelo, Piero Doneddu, Giulio Gasparini, Umberto Garagiola, Giuseppe D'Amato, Gianmarco Saponaro
Pseudoaneurysms are an uncommon complication of mandibular condylar-subcondylar fractures; however, if present, their recognition and management is mandatory to avoid life-threatening situations. The authors report a case of internal maxillary artery pseudoaneurysm rupture that occurred after an open reduction and internal fixation of a mandibular subcondylar fracture, along with a review of the literature.
April 2018: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/29713437/comparison-of-implant-component-fractures-in-external-and-internal-type-a-12-year-retrospective-study
#6
Yuseung Yi, Jai-Young Koak, Seong-Kyun Kim, Shin-Jae Lee, Seong-Joo Heo
PURPOSE: The aim of this study was to compare the fracture of implant component behavior of external and internal type of implants to suggest directions for successful implant treatment. MATERIALS AND METHODS: Data were collected from the clinical records of all patients who received WARANTEC implants at Seoul National University Dental Hospital from February 2002 to January 2014 for 12 years. Total number of implants was 1,289 and an average of 3.2 implants was installed per patient...
April 2018: Journal of Advanced Prosthodontics
https://www.readbyqxmd.com/read/29697622/arterial-vascularization-of-the-mandibular-condyle-and-fractures-of-the-condyle
#7
Gaoussou Toure
BACKGROUND: Despite substantial displacements, fractures of the mandibular condyle rarely lead to necrosis. This illustrates the negligible role of the inferior alveolar artery in intraosseous supply to the condyle, and led to this systematization of its arterial vascularization. METHODS: Forty-two temporomandibular joints from nonembalmed cadaveric specimens were studied following injection of latex (n = 32) or India ink (n = 10). RESULTS: The intraosseous branches of the inferior alveolar artery that lead to the condyle were inconstant and often rudimentary...
May 2018: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29696445/resistance-to-vertical-root-fracture-of-apicoected-teeth-using-different-devices-during-two-root-canal-irrigation-procedures
#8
Ferhat Ayrancı, Leyla Benan Ayrancı, Alper Özdoğan, Serkan Özkan, Mutlunur Önder Peker, Mutan Hamdi Aras
The aim of the present work was to measure the fracture resistance of endodontically treated teeth that were apicoected with different procedures. Seventy-two extracted human maxillary anterior teeth were included in this study. The specimens were randomly assigned to three main groups according to the apical surgery procedures and then two subgroups according to the irrigation protocols during root canal treatment and total of six groups were obtained (n = 12). Group 1: served as a control and apical surgery process was not performed in this group...
April 26, 2018: Lasers in Medical Science
https://www.readbyqxmd.com/read/29688445/extrapolating-the-limits-of-the-nasoseptal-flap-with-pedicle-dissection-to-the-internal-maxillary-artery
#9
Carlos D Pinheiro-Neto, Maria Peris-Celda, Tyler Kenning
BACKGROUND: The nasoseptal flap is the main pedicled flap used for endoscopic cranial base reconstruction. For large anterior cranial base defects, the anterior edge is a concern for the nasoseptal flap reach. OBJECTIVE: To present a surgical technique that completely releases the vascular pedicle of the nasoseptal flap from the sphenopalatine artery (SPA) foramen improving considerably the reach of the flap. METHODS: A patient with left anterior cranial base fracture involving the posterior table of the frontal sinus, who presented with cerebrospinal fluid leak and contused brain herniation to the ethmoid and frontal sinuses...
April 24, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29676971/conservative-treatment-of-a-complicated-crown-root-fracture-using-adhesive-fragment-reattachment-and-composite-resin-restoration-two-year-follow-up
#10
A V Martins, R C Albuquerque, L D Lanza, Ê L Vilaça, Nrfa Silva, A N Moreira, R R da Silveira
Crown-root fracture is one of the most challenging fracture types in the dental traumatology literature. Traumatized anterior teeth require quick functional and esthetic repair. In the case of a complex crown fracture of the maxillary left central incisor, requiring endodontic treatment, a fiber-reinforced post was used to create a central support stump to restore the dental morphology. This report describes the clinical procedures involved in the treatment. After two years of follow-up, the clinical and radiographic findings demonstrated that the adopted clinical protocol was successful and yielded healthy periodontal tissues with no signs of periradicular pathology...
May 2018: Operative Dentistry
https://www.readbyqxmd.com/read/29674832/atypical-radiographic-presentation-of-a-horizontal-mid-root-fracture-in-a-maxillary-central-incisor-tooth
#11
Amandeep Kaur, Ajay Logani, Manish Chahar
Prognosis of a horizontal mid-root fracture is favorable, primarily because the dental pulp tends to maintain its vitality and the fracture segments are completely intraalveolar. Healing usually occurs with deposition of calcified tissue. However, if the segment coronal to the fracture becomes nonvital and infected, healing occurs by interposition of granulation tissue. This report describes a case of a horizontal mid-root fracture in a right maxillary central incisor tooth, where the apical fractured segment was significantly displaced in a linear direction...
March 2018: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/29674817/evaluation-of-retention-and-fracture-resistance-of-different-fiber-reinforced-posts-an-in-vitro-study
#12
Varun Pruthi, Sangeeta Talwar, Ruchika Roongta Nawal, Preeti Jain Pruthi, Sarika Choudhary, Seema Yadav
Aim: The aim of this study was to evaluate retention & fracture resistance of different fibre posts. Methodology: 90 extracted human permanent maxillary central incisors were used in this study. For retention evaluation, after obturation, post space preparation was done in all root canals and posts were cemented under three groups. Later, the posts were grasped & pulled out from the roots with the help of a three-jaw chuck at a cross-head speed of 5mm/min...
March 2018: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/29670714/the-evaluation-of-root-fracture-with-cone-beam-computed-tomography-cbct-an-epidemiological-study
#13
Mehmet-Sinan Doğan, Michele Callea, Lindawati S Kusdhany, Ahmet Aras, Diah-Ayu Maharani, Masita Mandasari, Melissa Adiatman, Izzet Yavuz
Background: The aim of this study was evaluation of the cone-beam computed tomography (CBCT) image of 50 patients at the ages of 8-15 suspecting root fracture and root fracture occurred, exposed to dental traumatic. In additionally, this study was showed effect of crown fracture on root fracture healing. Material and Methods: All of the individuals included in the study were obtained images with the cone-beam computed tomography range of 0,3 voxel and 8.9 seconds...
January 2018: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29663972/a-multidisciplinary-approach-to-restore-an-unconventional-crown-removal-of-traumatized-permanent-central-incisors
#14
Richard E Campbell, Heather T Morris, Kyle T Reynolds, Elizabeth S Gosnell
A 13-year-old female presented with traumatized maxillary central incisors that had been endodontically treated. Five years later, at a different dental office, she had the clinical crowns removed, leaving subgingival margins. From the patient's history and our initial assessment, it seemed as if the teeth had been fractured and luxated but not avulsed. Endodontic posts with spot-welded orthodontic brackets were temporarily cemented to enable orthodontic extrusion. Once access to restorable margins was obtained, the temporary posts were removed and conventional fiber posts with interim composite crowns were placed...
January 15, 2018: Journal of Dentistry for Children
https://www.readbyqxmd.com/read/29652016/effect-of-inadequate-ferrule-segment-location-on-fracture-resistance-of-endodontically-treated-teeth
#15
Satheesh B Haralur, Ahmed Fatis Alalyani, Mohammad Ali Almutiq, Abdulrahman Ahmed Alfaifi, Amer Abdullah Al-Shehri
Introduction: The circumferential 2 mm ferrule during the fabrication of the crown is strongly advocated for the long-term clinical success. During the routine clinical practice, the dentist encounters the endodontically treated tooth (ETT) with inadequacy of the ferrule in some segment due to caries, abrasion, and erosions. The aim of this in vitro study was to investigate the consequence of inadequate segmental ferrule location on fracture strength of the root canal-treated anterior and posterior teeth...
March 2018: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/29644316/managing-a-grossly-comminuted-and-infected-mandibular-fracture-using-a-maxillary-extra-oral-distractor-as-stabilizing-agent-a-clinical-case-report
#16
Ding Ming Chao, Shi Jin, Kalu Singh Khatri, Zhao Jin Long, Tian Lei, He Lisheng
Facial fracture management dates as early as Hippocratic era. Comminuted mandibular fractures are one of the challenging clinical condition requiring high surgical expertise to achieve a good functional and esthetic outcome. In presence of infection and other facial fractures managing comminuted mandibular fracture becomes more challenging. Here we present a case of grossly comminuted and infected mandibular fracture with delayed presentation managed by using maxillary distractor as stabilizing agent. Using a maxillary distractor for managing a fractured mandible has been seldom reported in literature...
June 2017: Trauma Case Reports
https://www.readbyqxmd.com/read/29619258/conservative-vertical-groove-technique-for-tooth-rehabilitation-3-year-follow-up
#17
Dhanalaxmi Karre, Mahesh Kumar Duddu, Silla Swarna Swathi, Abdul Habeeb Bin Mohsin, Bhogavaram Bharadwaj, Sheraz Barshaik
Reattachment of tooth fragment is a simple, conservative, and noninvasive procedure, and it is the most currently acceptable treatment option. This article presents management of two accidentally damaged maxillary incisors using direct composite resin restoration and fractured tooth fragment. With the advancements in adhesive dentistry, tooth fragment reattachment procedure has become simpler and clinically reliable. The present paper is a report of 3-year follow-up of coronally fractured tooth treated with a very conservative technique of tooth fragment reattachment using vertical groove preparation and reinforcement with fiber post...
2018: Case Reports in Dentistry
https://www.readbyqxmd.com/read/29607851/evaluation-of-the-fracture-resistance-of-computer-aided-design-computer-aided-manufacturing-monolithic-crowns-prepared-in-different-cement-thicknesses
#18
N Polat Sagsoz, N Yanıkoglu
Introduction: The purpose of this study was to evaluate the fracture resistance of monolithic computer-aided design/computer-aided manufacturing (CAD/CAM) crowns that are prepared with different cement thickness. Materials and Methods: For this investigation, a human maxillary premolar tooth was selected. Master model preparation was performed with a demand bur under water spray. Master die was taken to fabricate 105 epoxy resin replicas. The crowns were milled using a CEREC 4 CAD/CAM system (Software Version, 4...
April 2018: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29605190/fracture-strength-testing-of-crowns-made-of-cad-cam-composite-resins
#19
Ryota Okada, Masaki Asakura, Akihiro Ando, Hirokazu Kumano, Seiji Ban, Tatsushi Kawai, Jun Takebe
PURPOSE: The purpose of this study was to ascertain whether computer aided design/computer aided manufacturing (CAD/CAM) composite resin crowns have sufficient strength to withstand the bite force of the molar teeth. The null hypothesis was that the fracture strength of CAD/CAM composite resin crowns is lower than the average maximum bite force of the molar tooth. METHODS: The crowns, which shape is the right maxillary first molar, were fabricated using four CAD/CAM blanks made of composite resins (Block HC: HC, KZR-CAD HR: HR, KZR-CAD HR2: HR2, Avencia Block: AVE) and one CAD/CAM blank made of lithium disilicate glass-ceramic (IPS e...
March 28, 2018: Journal of Prosthodontic Research
https://www.readbyqxmd.com/read/29599691/an-in-vitro-comparison-of-the-fracture-resistance-of-standard-and-modified-mesio-occluso-distal-cavity-designs-restored-with-resin-composite-restoration
#20
Ahmad M Al-Thobity, Abdulmalik Altaher, Abdullah Alharbi, Mutasim Elnour
Objectives: The main goal of this study was to evaluate the fracture resistance of maxillary second premolar teeth with standard and conservative mesio-occluso-distal (MOD) cavity designs. Methods: Sixty maxillary second premolars were randomly divided into 6 Groups of 10 teeth. G1 consisted of intact teeth. G2 was prepared with separated proximal boxes that were designed to be 1 mm approximately above the cement-enamel junction for the cervical margins. The occlusal outline of the proximal was performed as approximately half of the intercuspal distance buccolingually and one-third of the mesiodistal dimension...
March 2018: International Journal of Health Sciences
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