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Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics

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https://www.readbyqxmd.com/read/22099860/effect-of-propolis-on-proliferation-and-apoptosis-of-periodontal-ligament-fibroblasts
#1
COMPARATIVE STUDY
Anjanette W Gjertsen, Karen A Stothz, Kathleen G Neiva, Roberta Pileggi
The most critical factors affecting the prognosis of an avulsed tooth are extraoral dry time and storage media used before replantation. Studies have analyzed different storage media to determine the ideal solution to preserve periodontal ligament (PDL) cell viability. Propolis has anti-inflammatory and antimicrobial properties, and has been previously suggested as a storage medium. The purpose of this study was to assess not only cell viability but also physiological health of PDL cells after exposure to propolis...
December 2011: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
https://www.readbyqxmd.com/read/22099859/a-prospective-cohort-study-of-endodontic-treatments-of-1-369-root-canals-results-after-5-years
#2
Domenico Ricucci, John Russo, Michael Rutberg, Josef A Burleson, Larz S W Spångberg
OBJECTIVE: The purpose of this prospective study was: 1) to follow-up a large number of endodontic treatments performed by a single operator, periodically checked over a 5-year period; and 2) to correlate outcome to a number of clinical variables. STUDY DESIGN: This prospective study included all consecutive cases during the selected time period. All cases were followed regularly for a 5-year period. At the 5-year end point of the study, 470 patients with 816 treated teeth and with 1,369 treated root canals were available for evaluation...
December 2011: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
https://www.readbyqxmd.com/read/22099858/efficacy-of-sodium-hypochlorite-ethylenediaminetetraacetic-acid-citric-acid-and-phosphoric-acid-in-calcium-hydroxide-removal-from-the-root-canal-a-microscopic-cleanliness-evaluation
#3
COMPARATIVE STUDY
Juliana Melo da Silva, Amanda Silveira, Elizandra Santos, Laiìs Prado, Oscar F Pessoa
Rooted molars were subjected to standardized canal instrumentation to a master apical file (MAF). The samples were dressed with Ca(OH)(2), and after 7 days, teeth were reopened and Ca(OH)(2) medication was removed by 1 of 4 different experimental procedures: 2.5% sodium hypochlorite (NaOCl) (n = 10); 17% EDTA-T (n = 10); 10% citric acid (n = 10); or 37% phosphoric acid (n = 10). This was followed by reinstrumentation with MAF plus 15 mL saline solution. The roots were prepared for scanning electron microscopic analysis of the cervical, middle, and apical thirds...
December 2011: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
https://www.readbyqxmd.com/read/22099857/neural-hyperplasia-in-maxillary-bone-of-multiple-endocrine-neoplasia-type-2b-patient
#4
Yu Usami, Toshihiko Takenobu, Risa Kurihara, Yukihiro Imai, Shogo Shinohara, Yasuo Fukuda, Satoru Toyosawa
Multiple endocrine neoplasia (MEN) type 2B is the rarest and most aggressive form of MEN syndrome. MEN 2B patients manifest characteristic oral and facial features besides the neural crest cell-derived tumors, including medullary carcinoma, pheochromocytoma, mucosal neuroma, and ganglioneuromatosis of the gut. We report a case of MEN 2B diagnosed on the basis of the warning signs of mucosal neuroma and multiple neural hyperplasias in the maxillary bone resected during orthognathic surgery. A subsequent systemic examination under the pathologic diagnosis of neural lesions revealed medullary thyroid carcinoma, megacolon, thickened corneal nerves, and RET gene mutation, thus verifying the diagnosis of MEN 2B...
December 2011: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
https://www.readbyqxmd.com/read/22099856/teriparatide-s-potential-role-in-jaw-bone-related-diseases
#5
EDITORIAL
Craig S Miller
No abstract text is available yet for this article.
December 2011: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
https://www.readbyqxmd.com/read/22018593/penetration-into-dentin-of-sodium-hypochlorite-associated-with-acid-solutions
#6
COMPARATIVE STUDY
Milton Carlos Kuga, Érica Gouveia-Jorge, Mário Tanomaru-Filho, Juliane Maria Guerreiro-Tanomaru, Idomeo Bonetti-Filho, Gisele Faria
OBJECTIVE: The objective of this study was to evaluate the penetration of 2.5% NaOCl associated with 17.0% EDTA, 1.0% citric acid, and 1.0% peracetic acid into dentin tubules. STUDY DESIGN: The roots of 44 bovine incisors were cross-sectioned and 5-mm-long fragments were produced from their middle thirds. The specimens were instrumented with ProTaper hand files, stained in crystal violet, then sectioned mesiodistally. The buccal fragments were divided into 4 groups (n = 9) and subjected to 2 consecutive 10-minute immersion periods in one of the following acid solutions combined with 2...
December 2011: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
https://www.readbyqxmd.com/read/22014999/comparative-immunohistochemical-study-of-ameloblastoma-and-ameloblastic-carcinoma
#7
COMPARATIVE STUDY
Hye-Jung Yoon, Byoung-Chan Jo, Wui-Jung Shin, Young-Ah Cho, Jae-Il Lee, Sam-Pyo Hong, Seong-Doo Hong
OBJECTIVE: Ameloblastic carcinoma combines the histologic features of ameloblastoma with cytologic atypia, regardless of whether it has metastasized. Because of its rarity, there are few immunoprofile studies of ameloblastic carcinoma and few comparative studies of ameloblastic carcinoma and ameloblastoma. In this study, we compared the expression levels of cytokeratins (CKs), matrix metalloproteinases (MMPs), and Ki-67 between ameloblastoma and ameloblastic carcinoma, and assessed the usefulness of these markers for differentiating the tumors...
December 2011: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
https://www.readbyqxmd.com/read/22014998/accidental-benzalkonium-chloride-zephiran-injection
#8
Erdem Kilic, Nilay Er, Alper Alkan, Ayten Ferahbas
We report a case of an accidental injection of benzalkonium chloride (zephiran) instead of a local anesthetic agent during a tooth extraction. The sudden development of chin and neck swelling led to dyspnea and the patient lost consciousness. She was sent to an emergency clinic by her dentist immediately. After medical treatment for 20 days, the necrotic tissue was debrided and a gingival sulcoplasty was performed. Healing was uneventful.
December 2011: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
https://www.readbyqxmd.com/read/22014997/effects-of-chelating-agents-on-the-mineral-content-of-root-canal-dentin
#9
COMPARATIVE STUDY
Funda Kont Cobankara, Hilal Erdogan, Mehmet Hamurcu
OBJECTIVE: The objective of this in vitro study was to assess the effect of several chelating agents on the mineral content of root dentin. STUDY DESIGN: Extracted human mandibular incisor roots were prepared and divided into groups according to the following irrigation protocols: 1) 17% ethylenediaminetetraacetic acid (EDTA); 2) 10% citric acid solution; 3) 18% etidronate; 4) 2.25% peracetic acid; 5) and deionized water (control). Dentin chips were obtained (Gates-Glidden nos...
December 2011: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
https://www.readbyqxmd.com/read/22001199/no-effect-of-glucosamine-sulfate-on-osteoarthritis-in-the-temporomandibular-joints-a-randomized-controlled-short-term-study
#10
RANDOMIZED CONTROLLED TRIAL
Birgitta Johansson Cahlin, Lars Dahlström
OBJECTIVE: The aim of this study was to evaluate the clinical effects of oral glucosamine sulfate, compared with placebo, on osteoarthritis in the temporomandibular joints (TMJs). STUDY DESIGN: Fifty-nine patients, consecutive referrals fulfilling the research diagnostic criteria for temporomandibular disorder for TMJ osteoarthritis, confirmed roentgenographically, were randomized to the daily intake of 1,200 mg glucosamine sulfate or identical placebo capsules in this double-blind trial...
December 2011: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
https://www.readbyqxmd.com/read/22000426/a-prospective-clinical-trial-for-assessing-the-efficacy-of-a-minimally-invasive-protocol-in-patients-with-bisphosphonate-associated-osteonecrosis-of-the-jaws
#11
COMPARATIVE STUDY
Filippo Moretti, Gian Andrea Pelliccioni, Lucio Montebugnoli, Claudio Marchetti
OBJECTIVE: The objective of this study was to assess whether a minimally invasive protocol can be effective in the long-term control of necrotic areas and pain in patients suffering osteonecrosis of the jaw associated with the use of bisphosphonate drugs (BRONJ). STUDY DESIGN: Thirty-four consecutive patients (14 male, 20 female) with BRONJ under treatment with zoledronate, pamidronate, or alendronate were enrolled. All of the patients received professional oral hygiene treatment and antiseptic oral rinses, and if in pain they assumed an antibiotic therapy with amoxicillin/clavulanate potassium and metronidazole for ten days...
December 2011: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
https://www.readbyqxmd.com/read/21986256/calcifying-epithelial-odontogenic-tumor-a-case-report
#12
Stylianos Zanakis, Faippea Maria, Christina Dicoglou, Christos Dendrinos
Calcifying epithelial odontogenic tumor (CEOT) is a rare benign lesion. A case of CEOT in the left mandible of a 46-year-old man is presented. This case is exceptionally unusual because it was left untreated for 10 years, indicating in some way the course of the tumor. Histologic findings both at the time of first diagnosis and at the final treatment 9 years later were identical.
December 2011: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
https://www.readbyqxmd.com/read/21986255/radiographic-features-of-a-patient-with-both-cemento-ossifying-fibroma-and-keratocystic-odontogenic-tumor-in-the-mandible-a-case-report-and-review-of-literature
#13
REVIEW
Hiroaki Shimamoto, Mitsunobu Kishino, Masaya Okura, Jira Chindasombatjaroen, Naoya Kakimoto, Shumei Murakami, Souhei Furukawa
We herein describe a rare case of a 48-year-old woman with both ossifying fibroma (OF) and keratocystic odontogenic tumor (KCOT) in the mandible. CT images showed a 15 × 15 × 20-mm radiolucent-radiopaque lesion with bucco-lingual bony expansion in the left first premolar equivalent area of the mandible, and a 15 × 40 × 35-mm well-defined unilocular radiolucent lesion in the left side of the mandible, extending from the distal side of the distal root of the left second molar to the left mandibular ramus...
December 2011: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
https://www.readbyqxmd.com/read/21983291/characterization-of-an-optically-stimulated-dosimeter-for-dentomaxillofacial-dosimetry
#14
COMPARATIVE STUDY
Jayasanker V Valiyaparambil, Sanjay M Mallya
OBJECTIVE: The objective of this study was to examine the suitability of optically stimulated luminescent dosimeters (OSLD) for point dosimetry of maxillofacial radiographic examinations. STUDY DESIGN: The dose response of OSLD nanoDot dosimeters was evaluated over the range of 10 μGy to 4900 μGy x-radiation. The angular dependence of the OSLD nanoDots was examined and compared with that of thermoluminescent dosimeter (TLD) chips. The concordance between OSDL- and TLD-measured absorbed doses at selected anatomic sites in an anthropomorphometric phantom was examined...
December 2011: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
https://www.readbyqxmd.com/read/21937249/microscopic-computerized-tomographic-evaluation-of-root-canal-transportation-prepared-with-twisted-or-ground-nickel-titanium-rotary-instruments
#15
COMPARATIVE STUDY
Laila Gonzales Freire, Giulio Gavini, Fernando Branco-Barletta, Rodrigo Sanches-Cunha, Marcelo dos Santos
OBJECTIVE: The aim of this study was to evaluate, ex vivo, canal transportation and the centering ability of nickel-titanium rotary instruments manufactured by twisting and by traditional grinding, with the use of microscopic computerized tomography (μCT). STUDY DESIGN: Fifteen mandibular molars were embedded in a rubber-based impression material and submitted to μCT before and after instrumentation. Images were reconstructed, and cross-sections corresponding to distances 1, 2, 3, 4, 5, 6, and 7 mm from the anatomic apex were selected for analysis...
December 2011: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
https://www.readbyqxmd.com/read/21937248/actinomycosis-report-of-a-case-with-a-persistent-extraoral-sinus-tract
#16
G Göçmen, A Varol, K Göker, S Basa
Cervicofacial actinomycosis is a chronic suppurative and granulomatous infection that may reside for years and recur with sudden onset. It is the second most common type of actinomycosis and could be caused by trauma or infection. We report a draining actinomycotic sinus tract with extraordinary thickness that occurred owing to a long-standing chronic periapical infection of an extracted upper left second premolar 3 years before.
December 2011: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
https://www.readbyqxmd.com/read/21925909/psa-block-for-maxillary-molar-s-anesthesia-an-obsolete-technique
#17
RANDOMIZED CONTROLLED TRIAL
Mukul Padhye, Savina Gupta, Girish Chandiramani, Rati Bali
BACKGROUND: Routine use of posterior superior alveolar (PSA) nerve block or maxillary infiltration for the removal of maxillary molars has been validated. OBJECTIVE: The present study was undertaken to determine the relative contribution of posterior superior alveolar (PSA) block in cases of anesthesia required for maxillary molars. STUDY DESIGN: One hundred patients requiring removal of maxillary second and third molars were enrolled. These patients were divided into 2 groups...
December 2011: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
https://www.readbyqxmd.com/read/21906974/psychological-stress-induces-alterations-in-temporomandibular-joint-ultrastructure-in-a-rat-model-of-temporomandibular-disorder
#18
COMPARATIVE STUDY
Gaoyi Wu, Lei Chen, Guoxiong Zhu, Yucheng Su, Yongjin Chen, Jing Sun, Yanliang Wang
OBJECTIVE: The objective of this study was to investigate the effects of psychological stress on temporomandibular disorder (TMD). STUDY DESIGN: A communication box was used to induce psychological stress (PS) in rats. Then, the ultrastructure of temporomandibular was observed using scanning electron microscopy. Interleukin-1 (IL-1) and IL-6 were measured with reverse transcription polymerase chain reaction. RESULTS: The PS group showed evidence of ultrastructural changes in the condyle and articular disk after stimulation, i...
December 2011: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
https://www.readbyqxmd.com/read/21906973/introducing-nickel-titanium-rotary-instrumentation-in-a-public-dental-service-the-long-term-effect-on-root-filling-quality
#19
COMPARATIVE STUDY
Lisbeth Dahlström, Anders Molander, Claes Reit
OBJECTIVE: The aim of this study was to study the long-term effect on root filling quality after the introduction of nickel titanium rotary instrumentation (NTRI) within a public dental health organization. STUDY DESIGN: After an education package, including hands-on training and/or lectures, the root filling quality was evaluated at the organizational level. All general dental practitioners (GDPs) employed at primary evaluation (n = 120) and after 4 years (n = 174) were included...
December 2011: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
https://www.readbyqxmd.com/read/21906971/sinus-histiocytosis-with-massive-lymphadenopathy-rosai-dorfman-disease-a-unique-case-presentation
#20
REVIEW
Jordan M Kaltman, Steven P Best, Shawn A McClure
Rosai and Dorfman first described sinus histiocytosis with massive lymphadenopathy (SHML) in 1969 with an article detailing 4 cases in which they differentiated this disease entity from the grouping of diseases categorized as histiocytosis X, where it was previously classified. Also known as Rosai-Dorfman disease (RDD), it is clinically characterized as massive, painless, bilateral, symmetric cervical lymphadenopathy, with fever and leukocytosis. An 11-year-old African American boy was referred to our clinic for extraction of a severely decayed tooth #30 and evaluation of a large right-sided neck mass...
December 2011: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
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