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https://www.readbyqxmd.com/read/28433599/coronectomy-and-dentigerous-cysts-a-review-of-68-patients
#1
REVIEW
Marianne Henien, Chris Sproat, Jerry Kwok, Kiran Beneng, Vinod Patel
OBJECTIVE: This large case series retrospectively reviewed the outcomes of coronectomy in conjunction with dentigerous cyst removal in 68 patients at the oral surgery department of Guy's Hospital. STUDY DESIGN: A retrospective review of 68 patients was undertaken in a single department where 73 teeth with associated dentigerous cysts were treated by coronectomy to reduce the risk of inferior alveolar nerve injury or mandibular fracture. RESULTS: One patient experienced permanent injury of the inferior alveolar nerve...
February 20, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28390759/tube-decompression-for-staged-treatment-of-a-calcifying-odontogenic-cyst-a-case-report
#2
Hany A Emam, Judson Smith, Ashleigh Briody, Courtney A Jatana
The calcifying odontogenic cyst is a rare developmental odontogenic lesion with a distinguishing cystic lining containing "ghost" epithelial cells. The variation in clinical, radiographic, and histologic findings makes the treatment decision difficult for these lesions. There are very few reports on treatment, with enucleation and curettage being the standard surgical method of choice for the cystic type and excision of the tumor for the solid type. A 2-stage surgical approach consisting of initial decompression with tube placement followed by a secondary procedure of enucleation and curettage is common for other large odontogenic cysts, such as dentigerous and odontogenic keratocysts...
March 18, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28387048/genetic-basis-of-dentigerous-cysts-associated-with-supernumerary-teeth-a-narrative-review
#3
REVIEW
Robert P Anthonappa, Manikandan Ekambaram, Chaturi N G Neboda, Nigel M King, Abu-Bakr M Rabie
In the present study, we sought to: (a) analyze the p53 gene status in dentigerous cysts (DC) associated with supernumerary teeth (ST) in a pair of siblings with ST, of whom one developed a DC; and (b) conduct a narrative review of the literature on ST associated with DC. Blood samples were obtained, and the isolated DNA was used to amplify exons 4-8 of the p53 gene using specific primers, and subsequently sequenced. No mutations were identified in the coding regions of the p53 gene. A review of the literature revealed a prevalence of DC associated with ST to be as high as 13...
April 6, 2017: Journal of Investigative and Clinical Dentistry
https://www.readbyqxmd.com/read/28330574/bi-maxillary-dentigerous-cyst-in-a-non-syndromic-child%C3%A2-%C3%A2-review-of-literature-with-a-case-presentation
#4
A Dhupar, S Yadav, V Dhupar, H C Mittal, S Malik, P Rana
Dentigerous cysts are the most common developmental odontogenic cysts of the jaw, which usually occur in the second and third decade of life. It is most frequently associated with impacted mandibular third molar teeth and impacted canines. Bilateral/multiple dentigerous cysts are rare and typically associated with developmental syndromes. Non-syndromic dentigerous cyst occurring bilaterally or involving both arches at the same time is very rare. Here, we discuss the review of literature with a case of unusual occurrence of non-syndromic bi-maxillary dentigerous cysts in a child...
February 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28293442/cone-beam-ct-in-diagnosis-and-surgical-planning-of-dentigerous-cyst
#5
Naira Figueiredo Deana, Nilton Alves
Diagnosis and preoperative planning are critical in the execution of any surgical procedure. Panoramic radiography is a routine method used in dentistry to assist clinical diagnosis; however, with this technique 3D anatomical structures are compressed into 2D images, resulting in overlapping of structures which are of interest in the diagnosis. In this study we report the case of a patient who presented with a dentigerous cyst of expressive dimensions in the body of the mandible region. The surgery was planned and executed after observing the margins of the lesion by Cone Beam Computed Tomography (CBCT)...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28292369/premolar-cystic-ameloblastoma-in-a-child
#6
Sanyog Pathak, Wanjari Ghate Sonalika, Vanishree Hs, Anand S Tegginammani
Mandibular swellings may occur as a result of many benign lesions of odontogenic or non-odontogenic origin. Ameloblastomas are benign tumours of odontogenic origin, whose importance lies in its potential to grow into enormous size with resulting bone deformity, it is a slow-growing, persistent, and locally aggressive neoplasm. The unicystic ameloblastoma (UA) represents an ameloblastoma variant, presenting as a cyst clinically and radiographically, but showing typical ameloblastomatous epithelium lining histologically...
January 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28280759/immunohistochemical-comparison-of-the-expression-of-cd34-and-cd105-in-odontogenic-keratocyst-and-dentigerous-cyst
#7
Shokoofeh Jamshidi, Massoumeh Zargaran, Ghodratollah Roshanaei, Fatemeh Hadadi, Ali Dehghani Nazhvani
STATEMENT OF THE PROBLEM: Odontogenic keratocyst (OKC) is a developmental odontogenic cyst with specific histopathological features, high recurrence rate, and aggressive clinical behavior. Angiogenesis might be considered as an important factor for the growth, expansion, and distribution of this lesion. PURPOSE: The aim of the present study was to determine the mean vascular densities (MVD) of OKCs and dentigerous cysts to evaluate their relationship with the biologic behavior of these lesions...
March 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28272008/an-expansile-well-defined-radiolucency-in-anterior-mandible-case-presentation-with-treatment-approach-and-literature-update
#8
Shelly Arora, Aadithya B Urs, Zainab Choudhary
A 15-year-old Indian male patient presented with a history of pain and swelling in left mandible. Imaging studies revealed a well-defined unilocular radiolucency in the body of the mandible. Patient also gave the past history of the surgery of the jaws, which was histopathologically diagnosed as dentigerous cyst. Following this patient underwent incisional biopsy and later excisional biopsy. The histopathologic diagnosis for incisional biopsy was unicystic ameloblastoma but final diagnosis was dentinogenic ghost cell tumor for the excised tissue...
January 2017: Gulf Journal of Oncology
https://www.readbyqxmd.com/read/28238093/role-of-hif-1%C3%AE-and-caspase-3-in-cystogenesis-of-odontogenic-cysts-and-tumors
#9
Natacha M M da Costa, Adriane S de Siqueira, André L R Ribeiro, Maria S da Silva Kataoka, Ruy G Jaeger, Sérgio M de Alves-Júnior, Andrew M Smith, João de Jesus Viana Pinheiro
OBJECTIVES: Odontogenic cysts and tumors are the most relevant lesions that affect the gnathic bones. These lesions have in common the formation of cystic areas and this common feature may suggest involvement of similar mechanisms. The hypoxia inducible factor 1 alpha (HIF-1α), a responsive protein to hypoxia and caspase-3, an irreversible apoptosis marker, may contribute to cyst formation. Thus, this study aimed to investigate the immunoexpression of these proteins in odontogenic cysts and tumors...
February 25, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28218030/incidence-of-radiographic-cystic-lesions-associated-with-unerupted-teeth-in-dogs
#10
Sam G Babbitt, Mary Krakowski Volker, Ira R Luskin
Medical records and radiographs were retrospectively reviewed over a 3-year period (2012-2015) from dogs presented to a private dental referral practice. Medical records were evaluated for the diagnosis of impacted or embedded teeth. The identified dogs' radiographs were reviewed for the presence of radiographically significant cystic lesions that were associated with the impacted or embedded teeth. Radiographic criteria were established by the authors for the purposes of identifying cystic lesions in dogs of different breeds and sizes, using established indices from human dental pathology as a basis...
December 2016: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/28216693/oral-surgery-treatment-of-a-dentigerous-cyst-in-a-dog
#11
Graham Thatcher
No abstract text is available yet for this article.
February 2017: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
https://www.readbyqxmd.com/read/28209010/removal-of-infected-maxillary-third-molar-from-the-infra-temporal-fossa-by-caldwell-luc-procedure-rare-case-report-with-literature-review
#12
Anand Kumar, Ram Kumar Srivastava, Anurag Saxena, Ruchika Khanna, Iqbal Ali
Dentigerous or follicular cysts of odontogenic origin are innocuous benign cysts that are often linked with the crowns of permanent teeth. A dentigerous cyst circumventing permanent teeth fails to erupt and is often displaced into ectopic positions in the upper and lower jaw in the maxillofacial region. In the maxilla or upper jaw region, the impacted teeth are often displaced and/or shift into the maxillary sinus and apart from the nasal septum, mandibular condyle, coronoid process and the palate, to harbour such ectopic eruptions of teeth...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28209002/ability-of-oral-and-maxillofacial-surgery-residents-in-diagnosing-jaw-cysts-a-retrospective-20-years-study
#13
Hassan Mohajerani, Mohammad Esmaeelinejad, Reza Mofidian
INTRODUCTION: Diagnosis of odontogenic cysts despite of their benign nature is a critical and challenging problem especially among undergraduate and postgraduate students. AIM: This study aimed to evaluate the capability of oral and maxillofacial surgery residents in diagnosing odontogenic cysts. MATERIALS AND METHODS: This cross-sectional study was executed on 312 patient records over the past 20 years since October 1995 till December 2014 in Taleghani Hospital, Tehran, Iran...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28203028/-unerupted-first-deciduous-molar-located-higher-to-the-first-premolar-a-case-report
#14
Y Zhan, H Liu
Tooth eruption is defined as the movement of a tooth from its site of development within the alveolar process to its functional position in the oral cavity. The process of tooth eruption can be divided into different phases: pre-eruptive bone stage, alveolar bone stage, mucosal stage, preocclusal stage, occlusal stage and maturation stage. Any disturbance in these phases can lead to eruptive anomalies. The incidence of unerupted teeth is usually higher among permanent teeth than among deciduous ones. Of the primary teeth reported as unerupted, second deciduous molars are the teeth most frequently involved, followed by primary central incisors...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28187891/automated-classification-of-maxillofacial-cysts-in-cone-beam-ct-images-using-contourlet-transformation-and-spherical-harmonics
#15
Fatemeh Abdolali, Reza Aghaeizadeh Zoroofi, Yoshito Otake, Yoshinobu Sato
BACKGROUND AND OBJECTIVE: Accurate detection of maxillofacial cysts is an essential step for diagnosis, monitoring and planning therapeutic intervention. Cysts can be of various sizes and shapes and existing detection methods lead to poor results. Customizing automatic detection systems to gain sufficient accuracy in clinical practice is highly challenging. For this purpose, integrating the engineering knowledge in efficient feature extraction is essential. METHODS: This paper presents a novel framework for maxillofacial cysts detection...
February 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28174367/collagen-and-its-role-in-predicting-the-biological-behavior-of-odontogenic-lesions
#16
Pavan G Kulkarni, M Aruna Kumari, Abhishek Jahagirdar, Srk Nandan, Shyam Prasad Reddy D, M Keerthi
INTRODUCTION: Odontogenic cysts and tumors have variable recurrence rates. Recurrence rate is mainly due to the activity of the epithelium. The epithelium of these lesions has been investigated extensively in regard to their role in proliferative and aggressive behavior of the lesions. However, the role of the connective tissue wall in their behavior has not been studied as extensively. Collagen is an essential part of the connective tissue as a whole and fibrous wall of cystic lesions especially...
February 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28153133/odontogenic-cysts-and-neoplasms
#17
REVIEW
Elizabeth Ann Bilodeau, Bobby M Collins
This article reviews a myriad of common and uncommon odontogenic cysts and tumors. The clinical presentation, gross and microscopic features, differential diagnosis, prognosis, and diagnostic pitfalls are addressed for inflammatory cysts (periapical cyst, mandibular infected buccal cyst/paradental cyst), developmental cysts (dentigerous, lateral periodontal, glandular odontogenic, orthokeratinized odontogenic cyst), benign tumors (keratocystic odontogenic tumor, ameloblastoma, adenomatoid odontogenic tumor, calcifying epithelial odontogenic tumor, ameloblastic fibroma and fibroodontoma, odontoma, squamous odontogenic tumor, calcifying cystic odontogenic tumor, primordial odontogenic tumor, central odontogenic fibroma, and odontogenic myxomas), and malignant tumors (clear cell odontogenic carcinoma, ameloblastic carcinoma, ameloblastic fibrosarcoma)...
March 2017: Surgical Pathology Clinics
https://www.readbyqxmd.com/read/28152489/a-case-report-of-unusual-anatomical-variation-externalisation-of-inferior-alveolar-nerve
#18
David McAnerney, Shadi Basyuni, Vijay Santhanam
INTRODUCTION: The risks of third molar surgery have been well documented with damage to the inferior alveolar nerve (IAN) being one of the largest concerns. PRESENTATION OF CASE: This case report presents an impacted third molar with associated dentigerous cyst in which the IAN is externalised and runs along the lateral surface of the mandible. DISCUSSION: This is an extremely rare anatomical variation with most IANs lying inferior and lingually to third molars...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28145089/the-relationship-between-diet-and-tooth-complexity-in-living-dentigerous-saurians
#19
Keegan M Melstrom
Living saurian reptiles exhibit a wide range of diets, from carnivores to strict herbivores. Previous research suggests that the tooth shape in some lizard clades correlates with diet, but this has not been tested using quantitative methods. I investigated the relationship between phenotypic tooth complexity and diet in living reptiles by examining the entire dentary tooth row in over 80 specimens comprising all major dentigerous saurian clades. I quantified dental complexity using orientation patch count rotated (OPCR), which discriminates diet in living and extinct mammals, where OPCR-values increase with the proportion of dietary plant matter...
January 31, 2017: Journal of Morphology
https://www.readbyqxmd.com/read/28123497/odontogenic-epithelial-proliferation-is-correlated-with-cox-2-expression-in-dentigerous-cyst-and-ameloblastoma
#20
Mohammed Amjed Alsaegh, Hitoshi Miyashita, Takahiro Taniguchi, Sheng Rong Zhu
Investigation of cyclooxygenase (COX)-2 in dentigerous cyst and ameloblastoma may help to improve understanding of the nature and behavior of odontogenic cysts and tumors, and in addition may eventually represent a definitive target for a pharmacological approach in the management of these lesions. The aim of this study was to evaluate COX-2 expression and its correlation with the proliferation of odontogenic epithelium in these lesions. Dentigerous cysts (n=16) and ameloblastomas (n=17) were evaluated. Detection of Ki-67 and COX-2 protein expression was conducted by immunohistochemistry...
January 2017: Experimental and Therapeutic Medicine
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