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https://www.readbyqxmd.com/read/29161180/comparison-of-verdeluz-orange-g-and-modified-gallego-stains
#1
A Kunche, M A Kiresur, A Ananthaneni, V S Guduru, H K Puneeth, B Bagalad
Tumors of the oral cavity include combinations of hard and soft tissues that may be difficult to identify using routine hematoxylin and eosin (H & E) staining. Although combination stains can demonstrate hard and soft tissues, trichrome stains, such as VanGieson and Masson, cannot differentiate dental hard tissues, such as dentin, cementum and osteoid. Modified Gallegos (MGS) and verdeluz orange G-acid fuchsin (VOF) stains can differentiate components of teeth. We used 10 tissue sections of decalcified bone and 10 pathologic tissue sections that contained different calcified tissues including peripheral ossifying fibroma, odontoma, central ossifying fibroma and cemento-ossifying fibroma...
November 21, 2017: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/29114426/investigation-of-impacted-supernumerary-teeth-a-cone-beam-computed-tomograph-cbct-study
#2
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
https://www.readbyqxmd.com/read/29099370/metachronous-ameloblastic-fibro-odontoma-and-dentigerous-cyst-in-the-posterior-mandible
#3
Mário Rodrigues de Melo Filho, Sabina Pena Borges Pêgo, Claudio Marcelo Cardoso, Breno Amaral Rocha, Hercílio Martelli-Júnior, Isadora Luana Flores, Luis Antônio Nogueira Dos Santos, Livia Máris Ribeiro Paranaiba
An ameloblastic fibro-odontoma (AFO) is a rare mixed odontogenic tumor with histologic features of an ameloblastic fibroma in conjunction with the presence of dentin and enamel. It usually appears as a well-circumscribed radiolucency with radiopaque foci and slow growth and is commonly seen in children and young adults. A 13-year-old boy presented with an asymptomatic swelling in the posterior right region of the mandible and the right ascending ramus. The clinical, imaging, and histopathologic findings confirmed the diagnosis of an AFO...
November 2017: General Dentistry
https://www.readbyqxmd.com/read/29034280/ameloblastic-fibro-odontoma-in-a-7-month-old-infant-a-case-report
#4
Fatemeh Mashhadiabba, Nafiseh Shamloo, Mehdi Jafari, Shahla Vafadar
Ameloblastic fibro-odontoma is a relatively rare, benign odontogenic tumor that usually occurs in children and adolescents with unerupted teeth. This article reports an ameloblastic fibro-odontoma in the anterior mandible as a "bump on her gum" in a 7-month-old girl. This is the first case under 9 months old reported to date. Radiographic and histologic findings as well as the treatment are discussed.
September 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28946895/an-unusual-foreign-object-mimicking-an-odontoma-in-a-patient-with-cleft-alveolus-a-case-report
#5
Nadeena Sri Swarnagupta Jayasuriya, Pallege Ralalage Chandana Lakmal Karunathilaka, Parakrama Wijekoon
BACKGROUND: The habit of inserting foreign objects into body cavities is seen in children and in adults with intellectual disability. Usually, the foreign objects cause chronic inflammation and local tissue destruction, which give rise to symptoms. Diagnosis at an asymptomatic stage is uncommon when the history is not suggestive. We describe a rare case where a foreign object was misdiagnosed as an odontoma in a patient with an alveolar cleft. CASE PRESENTATION: A radiopaque round mass was noted on the radiograph of a 12-year-old Sinhalese boy who was awaiting an alveolar bone graft...
September 26, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28932056/erupted-odontome-associated-with-a-primary-molar-a-unique-clinical-presentation-4-year-follow-up
#6
Shaik Hasanuddin, E Rajendra Reddy
Erupted odontomas occur very rarely in both the primary and permanent dentitions. The present case report discusses an unusual erupted odontome associated with a primary first mandibular molar. A 7-year-old female patient with an erupted odontome in the oral cavity was reported. The surgical extraction of odontome was performed under local anesthesia to allow eruption of underlying premolar tooth. After 4 years of follow-up, the first premolar had erupted with an unusual occlusal morphology, similar to that of a primary first molar...
May 2017: Journal of Oral and Maxillofacial Pathology: JOMFP
https://www.readbyqxmd.com/read/28922246/immediate-dental-implant-placement-after-removal-of-complex-odontoma
#7
Fábio Roberto de Souza Batista, Victor Eduardo de Souza Batista, Aljomar José Vechiato-Filho, Victor Tieghi Neto, Jéssica Araújo Figueira, Fellippo Ramos Verri
The aim of the authors was to report a clinical case about immediate implant placement after the removal of complex odontoma. A 35-year-old female patient presented to private service complaining about absence of lower right first premolar. The computed tomographic showed radiopaque attenuation, surrounded by a narrow radiolucency in the area of dental absence, suggesting a mineralized lesion. The surgical removal of lesion was performed by intraoral access with general anesthesia and the implant of 3.75 × 10 mm (Neodent) was placed with the aid of a surgical guide, following the drill sequence established by the manufacturer...
November 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28906183/odontomas-in-two-long-finned-ocellaris-clownfish-amphiprion-ocellaris
#8
Bryan S Vorbach, Jeffrey C Wolf, Roy P Yanong
Two adult long-finned ocellaris clownfish ( Amphiprion ocellaris) from 2 different aquaculture facilities were examined at the University of Florida, Tropical Aquaculture Laboratory for oral masses. Incisional biopsies were obtained from the masses under anesthesia, and histologic examination revealed both to be odontomas. Most benign odontomas are classified as hamartomas (disorganized proliferations of tissues found normally at the site of origin). Odontomas have previously been reported in wild teleost fish in association with viral infections and pollution...
September 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28888388/a-case-of-concrescent-tooth-a-developmental-anomaly-in-a-19th-century-skull-from-uganda
#9
P Dąbrowski, D Nowakowski, A Gawlikowska-Sroka, I Maciuszczak, S Gronkiewicz
Dental abnormalities in archeological material such us concrescence or odontoma are rare cases often found accidentally, mostly during routine X-ray analysis or during macroscopic examination of the mastication apparatus. In this study, we present a rare case of concrescence between an upper left third molar and a supernumerary fourth molar in a 19th century skull from Uganda. Simultaneously, it is a critical revision of earlier studies on the same object (which considered this abnormality as an odontoma), using dental X-ray imaging and histological analysis...
September 2017: International Journal of Paleopathology
https://www.readbyqxmd.com/read/28883834/ameloblastic-fibroodontoma-uncommon-case-presentation-in-a-6-year-old-child-with-review-of-the-literature
#10
Anshad Mohamed Abdulla, G Sivadas, L K Surej Kumar, C S Sheejith Hari Peeceeyen, Vaishnavi Vedam
Ameloblastic fibroodontoma is a benign mixed odontogenic neoplasm considered in patients with asymptomatic swelling and unerupted teeth that exhibit histologic features between ameloblastic fibroma and complex odontoma. Radiographically, this lesion appears as radiolucency admixed with focal radio opaque masses of irregular shapes and sizes. This lesion is confirmed by the presence of proliferating odontogenic epithelium, ectomesenchyme, and dental hard tissue formation on pathological analysis supplementing clinical and radiographic findings...
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/28863377/a-rare-case-report-of-an-adenomatoid-odontogenic-tumor-associated-with-odontoma-in-the-maxilla
#11
Agnes Assao, Diogo Loureiro de Freitas, Denise Tostes Oliveira
INTRODUCTION: The adenomatoid odontogenic tumor (AOT) associated with odontoma has been described as a new entity with overlapping features of adenomatoid-like structures and odontoma. Presentation of the case: We report the second case of AOT associated with odontoma in the posterior maxillary region. A 22-year-old patient presented expansion of the vestibular and palatine cortical wall of maxilla. Radiographic examination and computed tomography confirmed erosion of maxillary walls, root resorption, displacement of a neighboring tooth and radiopacities within the lesion...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28839489/giant-complex-odontoma-of-mandible-a-spectacular-case-report
#12
Narjiss Akerzoul, Saliha Chbicheb, Wafaa El Wady
INTRODUCTION: Odontomas are considered as benign tumors of odontogenic tissue origin and are more over non-aggressive. They can also be categorized as hamartomas and are a result of developmental malformation of odontogenic tissues. As the name suggests, they are composed of mature tooth substances. They possess limited and slow growth potential and are well differentiated. They can be ectodermal, mesodermal or mixed in origin. Mixed variety may be further divided into compound or complex depending upon their radio-graphical resemblance to the tooth...
2017: Open Dentistry Journal
https://www.readbyqxmd.com/read/28814937/compound-odontoma-in-anterior-mandible-a-case-report
#13
Eswara Uma
Odontomas are the most common odontogenic hamartomas worldwide. Depending on the level of organisation of the tissues inside, these can be differentiated into compound type or complex type. As these are asymptomatic and do not cause any changes in the bone, they are often diagnosed during the routine dental examination. Complex odontomas are commonly found to occur in posterior mandible while compound odontomas are found in the anterior maxilla. A nine-year-old female child reported for a routine dental check-up, when a missing left permanent mandibular lateral incisor [32] was noticed...
May 2017: Malaysian Journal of Medical Sciences: MJMS
https://www.readbyqxmd.com/read/28805103/dentoalveolar-oral-surgery-in-children-and-adolescents-organization-and-surgical-treatment-in-a-large-danish-municipal-dental-service
#14
Anni Birgitte Grønbæk, Flemming Petersen, Dorte Haubek, Sven Poulsen
OBJECTIVE: To describe a population-based organization of dentoalveolar surgical service for 0 to 18-year old subjects in a Danish municipal dental service, and analyze the type of dentoalveolar surgical interventions needed. MATERIAL AND METHODS: The study was conducted in the Municipality of Aarhus, Denmark during five consecutive school-years. An internal referral system was established within the municipality where patients could be referred to colleagues with a higher level of competencies and more experiences with paediatric dentoalveolar surgery...
November 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28791080/three-dimensional-printing-model-as-a-tool-to-assist-in-surgery-for-large-mandibular-tumour-a-case-report
#15
Kazuyuki Yusa, Hideyuki Yamanochi, Akira Takagi, Mitsuyoshi Iino
OBJECTIVES: Recently, three-dimensional printing models based on preoperative computed tomography and magnetic resonance imaging images have been widely used in medical fields. This study presents an effective use of the three-dimensional printing model in exploring complex spatial relationship between the tumour and surrounding tissue and in simulation surgery based planning of the operative procedure. MATERIAL AND METHODS: The patient was a 7-year-old boy with ameloblastic fibro-odontoma...
April 2017: Journal of Oral & Maxillofacial Research
https://www.readbyqxmd.com/read/28782241/a-novel-mutation-of-adenomatous-polyposis-coli-apc-gene-results-in-the-formation-of-supernumerary-teeth
#16
Fang Yu, Wenping Cai, Beizhan Jiang, Laijun Xu, Shangfeng Liu, Shouliang Zhao
Supernumerary teeth are teeth that are present in addition to normal teeth. Although several hypotheses and some molecular signalling pathways explain the formation of supernumerary teeth, but their exact disease pathogenesis is unknown. To study the molecular mechanisms of supernumerary tooth-related syndrome (Gardner syndrome), a deeper understanding of the aetiology of supernumerary teeth and the associated syndrome is needed, with the goal of inhibiting disease inheritance via prenatal diagnosis. We recruited a Chinese family with Gardner syndrome...
August 7, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28737157/oral-neoplasms-in-pickhandle-barracuda-sphyraena-jello-from-india
#17
V Singaravel, A Gopalakrishnan, K Raja, R Vijayakumar, S Asrafuzzaman
We report the spontaneous occurrence of oral neoplasms in pickhandle barracuda Sphyraena jello Cuvier, 1829 from Parangipettai, on the southeast coast of India. A total of 11736 fish were examined, of which 43 were affected with oral tumours, with an overall prevalence of 0.37%. Gross and clinical symptoms included reddish to grayish-white distended tumourous growths on the gingiva, intra-oral bones and tongue. The tumours exhibited delayed eruption and intra- or extra-oral swelling, varied in consistency from extremely firm to fleshy and released mucinous material...
July 24, 2017: Diseases of Aquatic Organisms
https://www.readbyqxmd.com/read/28691462/odontomas-review-of-the-literature-and-case-reports
#18
C Gervasoni, A Tronchet, S Spotti, S Valsecchi, V Palazzolo, S Riccio, A D Aiuto, L Azzi, A Di Francesco
Odontomas are one of the most common Odontogenic Tumors of the jaw. The exact etiology of odontomas is unknown. Histologically they are composed of various formations of dental tissue (enamel, dentin, cementum and sometimes pulp). In the WHO classification, they are divided into complex odontoma and compound odontoma. Clinically, odontomas are generally asymptomatic and only in rare cases cause swelling, pain, suppuration or bony expansion. Radiologically, the tumor is initially lucent, but with time, it develops small calcifications, which eventually coalesce to form a radiodense lesion with a lucent rim...
April 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28674741/new-tumour-entities-in-the-4th-edition-of-the-world-health-organization-classification-of-head-and-neck-tumours-odontogenic-and-maxillofacial-bone-tumours
#19
REVIEW
Paul M Speight, Takashi Takata
The latest (4th) edition of the World Health Organization Classification of Head and Neck tumours has recently been published with a number of significant changes across all tumour sites. In particular, there has been a major attempt to simplify classifications and to use defining criteria which can be used globally in all situations, avoiding wherever possible the use of complex molecular techniques which may not be affordable or widely available. This review summarises the changes in Chapter 8: Odontogenic and maxillofacial bone lesions...
July 3, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28557592/ameloblastic-fibro-odontoma-of-the-maxilla-in-a-pierre-robin-sequence-patient
#20
Kenneth Kufta, Steve Kang, Faizan Alawi, Anna Moran, Neeraj Panchal
INTRODUCTION: Pierre Robin sequence (PRS) is a rare disorder classically observed as a triad of features including micrognathia, glossoptosis, and upper airway obstruction. It is associated with a syndrome in about 60% of cases. While odontogenic tumors are common findings in patients with familial adenomatous polyposis and nevoid basal cell carcinoma syndromes, PRS has not been found to be consistently associated with any tumors of the jaw. CASE REPORT: The current report aims to describe a patient with PRS who presented with an extensive ameloblastic fibro-odontoma (AFO) of the maxilla...
October 2017: Fetal and Pediatric Pathology
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