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Journal of Istanbul University Faculty of Dentistry

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https://www.readbyqxmd.com/read/29354316/bioceramics-in-endodontics-a-review
#1
REVIEW
Srinidhi Surya Raghavendra, Ganesh Ranganath Jadhav, Kinjal Mahesh Gathani, Pratik Kotadia
Bioceramics are materials which include Alumina, Zirconia, Bioactive glass, Glass ceramics, Hydroxyapatite, resorbable Calcium phosphates, among others. They have been used in dentistry for filling up bony defects, root repair materials, apical fill materials, perforation sealing, as endodontic sealers and as aids in regeneration. They have certain advantages like biocompatibility, non toxicity, dimensional stability and most importantly in endodontic applications, being bio-inert. They have a similarity to Hydroxyapatite, an intrinsic osteo conductive activity and have an ability to induce regenerative responses in the human body...
2017: Journal of Istanbul University Faculty of Dentistry
https://www.readbyqxmd.com/read/29354315/thermo-cured-glass-ionomer-cements-in-restorative-dentistry
#2
REVIEW
Kristina Gorseta, Domagoj Glavina
Numerous positive properties of glass ionomer cements including biocompatibility, bioactivity, releasing of fluoride and good adhesion to hard dental tissue even under wet conditions and easy of handling are reasons for their wide use in paediatric and restorative dentistry. Their biggest drawbacks are the weaker mechanical properties. An important step forward in improving GIC's features is thermo-curing with the dental polymerization unit during setting of the material. Due to their slow setting characteristics the GIC is vulnerable to early exposure to moisture...
2017: Journal of Istanbul University Faculty of Dentistry
https://www.readbyqxmd.com/read/29354314/cone-beam-computed-tomography-basics-and-applications-in-dentistry
#3
REVIEW
Elluru Venkatesh, Snehal Venkatesh Elluru
The introduction of cone beam computed tomography (CBCT) devices, changed the way oral and maxillofacial radiology is practiced. CBCT was embraced into the dental settings very rapidly due to its compact size, low cost, low ionizing radiation exposure when compared to medical computed tomography. Alike medical CT, 3 dimensional evaluation of the maxillofacial region with minimal distortion is offered by the CBCT. This article provides an overview of basics of CBCT technology and reviews the specific application of CBCT technology to oral and maxillofacial region with few illustrations...
2017: Journal of Istanbul University Faculty of Dentistry
https://www.readbyqxmd.com/read/29354313/maxillary-incisors-changes-during-space-closure-with-conventional-and-skeletal-anchorage-methods-a-systematic-review
#4
REVIEW
Yasas Shri Nalaka Jayaratne, Flavio Uribe, Nandakumar Janakiraman
Purpose: The objective of this systematic review was to compare the antero-posterior, vertical and angular changes of maxillary incisors with conventional anchorage control techniques and mini-implant based space closure methods. Materials and Methods: The electronic databases Pubmed, Scopus, ISI Web of knowledge, Cochrane Library and Open Grey were searched for potentially eligible studies using a set of predetermined keywords. Full texts meeting the inclusion criteria as well as their references were manually searched...
2017: Journal of Istanbul University Faculty of Dentistry
https://www.readbyqxmd.com/read/29354312/advanced-dental-implant-placement-techniques
#5
REVIEW
Alex M Greenberg
The availability of in office Cone Beam CT (CBCT) scanners, dental implant planning software, CAD CAM milling, and rapid printing technologies allow for the precise placement of dental implants and immediate prosthetic temporization. These technologies allow for flapless implant placement, or open flap bone reduction for "All on 4" techniques with improved preoperative planning and intraoperative performance. CBCT permits practitioners in an office setting with powerful diagnostic capabilities for the evaluation of bone quality and quantity, as well as dental and osseous pathology essential for better informed dental implant treatment...
2017: Journal of Istanbul University Faculty of Dentistry
https://www.readbyqxmd.com/read/29354311/dental-splints-types-and-time-of-immobilization-post-tooth-avulsion
#6
REVIEW
Samuel Rodrigo de Andrade Veras, Jéssica Silva Peixoto Bem, Elvia Christina Barros de Almeida, Carla Cabral Dos Santos Accioly Lins
Avulsion is defined as the complete displacement of the tooth out of its socket with disruption of the fibers of periodontal ligament, remaining some of them adhered to the cementum and the rest to the alveolar bone. This condition is more frequent in young permanent teeth, because the root development is still incomplete. Splints are used to immobilize traumatized teeth that suffered damage in their structures of support, preventing their constant movement. The literature has shown that after replantation, it is necessary to use splints in order to immobilize the teeth during the initial period, which is essential for the repair of periodontal ligament; the use of semi-rigid splint is more indicated than the rigid one, and long periods of splinting showed that substitutive resorption or ankylosis is an expected complication...
2017: Journal of Istanbul University Faculty of Dentistry
https://www.readbyqxmd.com/read/29354310/imaging-evaluation-of-trigeminal-neuralgia
#7
REVIEW
Marinos Kontzialis, Mehmet Kocak
Trigeminal neuralgia is a debilitating pain syndrome in the sensory distribution of the trigeminal nerve. Compression of the cisternal segment of the trigeminal nerve by a vessel, usually an artery, is considered the most common cause of trigeminal neuralgia. A number of additional lesions may affect the trigeminal nerve anywhere along its course from the trigeminal nuclei to the most peripheral branches to cause facial pain. Relevant differential considerations are reviewed starting proximally at the level of the brainstem...
2017: Journal of Istanbul University Faculty of Dentistry
https://www.readbyqxmd.com/read/29354309/review-of-nasal-changes-with-maxillary-orthognathic-surgery
#8
REVIEW
Leila Khamashta-Ledezma, Farhad B Naini, Mehmet Manisali
This article reviews the literature on nasal changes with maxillary orthognathic surgery. Understanding such changes is vital for surgical planning and for obtaining appropriate informed consent, and there are medico-legal implications. During orthognathic surgical planning a prediction of the effects of the different surgical movements is possible and this forms part of the basis of the planning stage. The predicted changes need to be identified and their desirability or not for each individual patient determined...
2017: Journal of Istanbul University Faculty of Dentistry
https://www.readbyqxmd.com/read/29354308/a-review-of-regenerative-endodontics-current-protocols-and-future-directions
#9
REVIEW
Louis M Lin, Bill Kahler
This review outlines the biological basis and clinical protocols currently used in regenerative endodontic procedures (REPs) and discuss future directions in pulp regeneration approaches. The treatment of immature teeth with REPs has been described as a 'paradigm shift' as there is the potential for further root maturation. Clinically, REPs involve disinfection of the root canal system without damaging the endogenous stem cell potential present in the apical papilla and other tissues. These stems cells are introduced into the root canal space by inducing a blood clot followed by placement of an intracanal barrier to prevent microleakage...
2017: Journal of Istanbul University Faculty of Dentistry
https://www.readbyqxmd.com/read/29354307/alloplastic-reconstruction-of-the-temporomandibular-joint
#10
REVIEW
Rushil R Dang, Pushkar Mehra
Temporomandibular joint reconstruction (TMJR) is often necessary for patients with severe and/or refractory TMJ disease who have failed conservative treatment. TMJR aids to improve masticatory function and is associated with improved quality of life outcomes. Currently, alloplastic reconstruction is considered as the treatment of choice in most severe TMJ disorders due to its many advantages inclusive but not limited to early mobilization, stable longterm results, and significant improvement in jaw function...
2017: Journal of Istanbul University Faculty of Dentistry
https://www.readbyqxmd.com/read/29354306/odontogenic-tumors-where-are-we-in-2017
#11
REVIEW
John M Wright, Merva Soluk Tekkesin
Odontogenic tumors are a heterogeneous group of lesions of diverse clinical behavior and histopathologic types, ranging from hamartomatous lesions to malignancy. Because odontogenic tumors arise from the tissues which make our teeth, they are unique to the jaws, and by extension almost unique to dentistry. Odontogenic tumors, as in normal odontogenesis, are capable of inductive interactions between odontogenic ectomesenchyme and epithelium, and the classification of odontogenic tumors is essentially based on this interaction...
2017: Journal of Istanbul University Faculty of Dentistry
https://www.readbyqxmd.com/read/29354305/some-historical-musings-on-tooth-root-resorption
#12
REVIEW
James L Gutmann
Contemporarily, the ravages of tooth resorption are seen daily around the world. While some teeth can be retained many are lost to this process. Although many types of resorptive processes have been identified, the etiological factors involved in this malady are not often clear and both speculation as to it source and clinical management have received a great deal of empirical explanations and directives, respectively. However, this was not always the case, as the nature of tooth resorption, as is known today, was not really addressed in a significant manner until the mid-1970s...
2017: Journal of Istanbul University Faculty of Dentistry
https://www.readbyqxmd.com/read/29114433/scientific-basis-of-dentistry
#13
REVIEW
Yegane Guven
Technological and scientific innovations have increased exponentially over the past years in the dentistry profession. In this article, these developments are evaluated both in terms of clinical practice and their place in the educational program. The effect of the biologic and digital revolutions on dental education and daily clinical practice are also reviewed. Biomimetics, personalized dental medicine regenerative dentistry, nanotechnology, high-end simulations providing virtual reality, genomic information, and stem cell studies will gain more importance in the coming years, moving dentistry to a different dimension...
2017: Journal of Istanbul University Faculty of Dentistry
https://www.readbyqxmd.com/read/29114432/eye-related-trauma-and-infection-in-dentistry
#14
REVIEW
Hasan Ekmekcioglu, Meral Unur
Despite numerous technological and medical developments achieved in recent years, a significant amount of occupational health problems still exist in modern dentistry. The risk of eye injury is mostly attributed to the use of high-speed hand pieces and ultrasonic devices. A dental clinic may be the source of eye-related infection and injury because of mechanical, chemical, microbiological and electromagnetic irritants. Accidents may cause facial injuries that involve eyes of the clinicians, patients as well as dental assistants...
2017: Journal of Istanbul University Faculty of Dentistry
https://www.readbyqxmd.com/read/29114431/maxillary-first-premolars-with-three-root-canals-two-case-reports
#15
Zeliha Ugur, Kerem Engin Akpinar, Demet Altunbas
It is very important that the dentists have sufficient information about possible variations in the expected root canal configurations in order to achieve success in endodontic treatment. In addition to having adequate knowledge on the variations of the root canal anatomy, periapical radiographs from different angles, careful examination of the pulp chamber floor, and use of dental operation microscope during the procedure are also important factors that contribute to the diagnosis of the additional roots and canals...
2017: Journal of Istanbul University Faculty of Dentistry
https://www.readbyqxmd.com/read/29114430/clinical-and-radiographic-features-of-parry-romberg-syndrome
#16
Mithula Nair, Vidya Ajila, Shruthi Hegde, G Subhas Babu, Rumela Ghosh
Parry-Romberg syndrome or progressive hemifacial atrophy is a craniofacial disorder characterized by slow and progressive atrophy, generally unilateral, of facial tissues including muscles, bones and skin. The coup de sabre is a clear line of demarcation seen between the normal and abnormal structures. The severity of the facial deformity is dependent on the age of onset of the disease. Cosmetic management is the only available treatment and has to be delayed until facial growth is completed. The present case report deals with a 43-year-old woman with progressive hemifacial atrophy which started from the age of 10 months...
2017: Journal of Istanbul University Faculty of Dentistry
https://www.readbyqxmd.com/read/29114429/sectional-mandibular-complete-denture-for-a-total-maxillectomy-patient-with-trismus-a-clinical-report
#17
Tamer Celakil, Azize Demir, Haluk Keskin
This report presents the case of a 60-year-old male patient with trismus induced by radiotherapy and fabrication of a sectional mandibular complete denture to allow the insertion of the denture into the mouth. A mandibular sectional denture was designed in two pieces with a locking mechanism by using mini anchor and ball abutment housing with cap. Patients who have undergone maxillectomy often have constricted mouth openings, as a result of surgical intervention and radiotherapy, and complain of an inability to insert or remove dentures...
2017: Journal of Istanbul University Faculty of Dentistry
https://www.readbyqxmd.com/read/29114428/does-intravenous-tranexamic-acid-reduce-blood-loss-during-surgically-assisted-rapid-palatal-expansion
#18
Emine Akbas, Zerrin Cebi, Erol Cansiz, Sabri Cemil Isler, Sırmahan Cakarer
Purpose: The purpose of this study was to evaluate the efficacy of tranexamic acid (TXA) in reducing blood loss during surgically assisted rapid palatal expansion (SARPE) procedure. Subjects and Methods: A total of 34 patients (12 male, 22 female) who had been treated surgically under general anesthesia with SARPE including pterygoid disjunction for transverse maxillary deficiency (TMD) were included in this study. The study group (n=17) received intravenous (IV) TXA 10 mg/kg as a preoperative bolus; the control group (n=17) received normal saline solution...
2017: Journal of Istanbul University Faculty of Dentistry
https://www.readbyqxmd.com/read/29114427/adhesive-system-affects-repair-bond-strength-of-resin-composite
#19
Ozgur Irmak, Ozge Celiksoz, Begum Yilmaz, Batu Can Yaman
Purpose: This study evaluated the effects of different adhesive systems on repair bond strength of aged resin composites. Materials and Methods: Ninety composite discs were built and half of them were subjected to thermal aging. Aged and non-aged specimens were repaired with resin composite using three different adhesive systems; a two-step self-etch adhesive, a two-step total-etch adhesive and a one-step self-etch adhesive; then they were subjected to shear forces...
2017: Journal of Istanbul University Faculty of Dentistry
https://www.readbyqxmd.com/read/29114426/investigation-of-impacted-supernumerary-teeth-a-cone-beam-computed-tomograph-cbct-study
#20
Gokhan Gurler, Cagri Delilbasi, Evren Delilbasi
Purpose: The purpose of this study was to investigate the impacted supernumerary teeth which were initially detected on panoramic radiographs by using cone beam computed tomography (CBCT). Materials and Methods: In this retrospective study, supernumerary teeth diagnosed on panoramic radiographs taken from patients who had admitted for routine dental treatment were evaluated using CBCT. Patients' age, gender, systemic conditions as well as number of supernumerary teeth, unilateral-bilateral presence, anatomical localization (maxilla, mandible, anterior-premolar-molar, mesiodens-lateral-canine, parapremolar-paramolar-distomolar) shape (rudimentary, supplemental, tuberculate, odontoma), position (palatal-lingual-buccal-labial-central), shortest distance between the tooth and adjacent cortical plate, complications and treatment were assessed...
2017: Journal of Istanbul University Faculty of Dentistry
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