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Impacted third molar

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https://www.readbyqxmd.com/read/29327669/advanced-3d-models-culture-to-investigate-mesenchymal-stromal-cells-of-the-human-dental-follicle
#1
Nathalie Steimberg, Francesca Angiero, Davide Farronato, Angiola Berenzi, Gianguido Cossellu, Andrea Ottonello, Darnell Kaigler, Giovanna Mazzoleni
The human dental follicle (hDF) contains the developing tooth and is involved in regulating tooth maturation and eruption. To investigate the mesenchymal stromal cells of the dental follicle, two 3D culture models were used, based on a dynamic bioreactor: the Rotary Cell Culture System (RCCS) and the 3D culture of precursor cells isolated from follicular tissue (hDFCs). The hDFCs were obtained from impacted third molars of 20 patients. Two 3D culture models were tested. In the first model, intact hDF explants were cultured in 3D conditions, preserving the original tissue architecture; they were studied via histomorphological and molecular analyses...
January 12, 2018: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/29326504/oral-health-related-quality-of-life-following-third-molar-surgery-in-an-african-population
#2
Adebayo Aremu Ibikunle, Wasiu Lanre Adeyemo
Introduction: Surgical extraction of impacted mandibular third molars is often associated with sequelae such as postoperative pain, facial edema, and limitation in mouth opening ability. These sequelae may result in changes in the patients' lifestyle and quality of life (QoL). Aim: The aim of this study was to evaluate the effect of surgical extraction of impacted mandibular third molars on patients' QoL in the immediate postoperative period (7 days). Materials and Methods: Ethical approval for this study was obtained from the Health Research and Ethics committee of the Lagos University Teaching Hospital...
October 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/29316445/does-intra-alveolar-application-of-chlorhexidine-gel-in-combination-with-platelet-rich-fibrin-have-an-advantage-over-application-of-platelet-rich-fibrin-in-decreasing-alveolar-osteitis-after-mandibular-third-molar-surgery-a-double-blinded-randomized-clinical
#3
Majid Eshghpour, Nasrin Danaeifar, Hamed Kermani, Amir Hossein Nejat
PURPOSE: To evaluate the effectiveness of chlorhexidine (CHX) gel and platelet-rich fibrin (PRF) compared with PRF alone in preventing the development of alveolar osteitis (AO). MATERIALS AND METHODS: In a double-blinded trial, patients undergoing surgical management of bilateral impacted mandibular third molars were randomly divided into 2 groups; 1 group received PRF in 1 extraction socket with the other socket as its control and the other group received 0.2% CHX gel plus PRF in 1 socket with the other socket serving as its control...
December 16, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29315650/levels-of-oxidative-stress-biomarkers-and-bone-resorption-regulators-in-apical-periodontitis-lesions-infected-by-epstein-barr-virus
#4
A Jakovljevic, M Andric, N Nikolic, V Coric, S Krezovic, J Carkic, A Knezevic, K Beljic-Ivanovic, M Plješa-Ercegovac, M Miletić, I Soldatovic, T Radosavljevic, T Jovanovic, T Simic, V Ivanovic, J Milasin
AIM: To investigate whether apical periodontitis lesions infected by Epstein-Barr virus (EBV) exhibit higher levels of oxidative stress biomarkers (8-hydroxydeoxyguanosine (8-OHdG) and oxidized glutathione (GSSG)) and bone resorption regulators (receptor activator of nuclear factor (NF-κB) ligand (RANKL) and osteoprotegerin (OPG)) compared to EBV negative periapical lesions and healthy pulp tissues. METHODOLOGY: The experimental group consisted of 30 EBV positive and 30 EBV negative periapical lesions collected in conjunction with apicoectomy...
January 9, 2018: International Endodontic Journal
https://www.readbyqxmd.com/read/29304325/effects-of-leukocyte-and-platelet-rich-fibrin-alone-and-combined-with-hyaluronic-acid-on-pain-edema-and-trismus-after-surgical-extraction-of-impacted-mandibular-third-molars
#5
İbrahim Murat Afat, Emine Tuna Akdoğan, Onur Gönül
PURPOSE: In this prospective, randomized, double-blind controlled study, we evaluated the effects of leukocyte- and platelet-rich fibrin (L-PRF) alone and combined with a hyaluronic acid (HA) sponge on pain, edema, and trismus after mandibular third molar surgery. PATIENTS AND METHODS: In total, 60 patients were included in this study. The patients were randomly divided into 3 groups: L-PRF group (L-PRF was applied to the socket), L-PRF-plus-HA group (L-PRF combined with HA was applied to the socket), and control group (nothing was applied)...
December 13, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29302587/conservative-management-marsupialization-of-unicystic-ameloblastoma-literature-review-and-a-case-report
#6
Jwayoung Kim, Eunkyung Nam, Sukho Yoon
Background: In this study, we present a case of unicystic ameloblastoma (UA) treated by marsupialization followed by surgical enucleation as a conservative approach. UA is a rare, benign, less aggressive, and less invasive variant of ameloblastoma that is observed quite often in younger patients. Radical approaches have effects on the physical and psychological development of a growing young patient; therefore, conservative approaches are widely used for UA management in children. Case presentation: This report described a case of an 11-year-old girl with UA of the mandibular molar-ramus area, which also involved impaction of the second and third molars...
December 2017: Maxillofacial Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29299963/extending-genome-wide-association-study-results-to-test-classic-anthropological-hypotheses-human-third-molar-agenesis-and-the-probable-mutation-effect
#7
Adrijana Vukelic, Jacob A Cohen, Alexis P Sullivan, George H Perry
A genome-wide association study (GWAS) identifies regions of the genome that likely affect the variable state of a phenotype of interest. These regions can then be studied with population genetic methods to make inferences about the evolutionary history of the trait. There are increasing opportunities to use GWAS results-even from clinically motivated studies-for tests of classic anthropological hypotheses. One such example, presented here as a case study for this approach, involves tooth development variation related to dental crowding...
April 2017: Human Biology
https://www.readbyqxmd.com/read/29285329/the-flap-recovery-on-the-impacted-lower-third-molar-surgery-comparing-3-different-flap-designs-a-clinical-study
#8
L Ottria, F Luciani, P Piva, A M Alagna, C Arcuri, F N Bartuli
Aim: The purpose of the study was to analyze the healing of the deep and superficial lower first and second molars periodontium, after the surgical extraction of the contiguous impacted third molar, comparing 3 mucoperiosteal flap designs. Materials and methods: 150 patients which had to undergo a impacted lower third molar surgery were enrolled in this study. They were checked from day 0 to day 90, in order to focus on the recovery quality of the soft tissues around the lower second molar, comparing 3 different flap designs...
July 2017: Oral & Implantology
https://www.readbyqxmd.com/read/29284968/incidence-of-trismus-in-transalveolar-extraction-of-lower-third-molar
#9
Gowri Balakrishnan, Ramesh Narendar, Thangavelu Kavin, Sivasubramanian Venkataraman, Subramaniam Gokulanathan
Background: Conventional mandibular third molar removal produces tissue trauma that induces an inflammatory reaction, leading to postoperative sequelae, the most common ones being trismus which influences the patient's quality of life in the postoperative period. Identifying the factors determining trismus after mandibular third molar extraction helps us to evaluate and correlate the incidence of trismus with morphological and surgical factors that are associated with its incidence in the postoperative period...
November 2017: Journal of Pharmacy & Bioallied Sciences
https://www.readbyqxmd.com/read/29284107/assessing-the-appearance-and-fluorescence-of-resin-infiltrated-white-spot-lesions-with-caries-detection-devices
#10
K Markowitz, K Carey
OBJECTIVE: This in vitro study examined the effectiveness of caries detector devices in assessing the ability of resin infiltration (RI) (Icon, DMG-Hamburg, Hamburg, Germany) to improve the optical properties of enamel white spot lesions (WSLs). METHODS AND MATERIALS: Ten caries-free third molars were used. Photographs, a subjective visual assessment of the photographs, fluorescent camera (FC) images using the Spectra (Air Techniques, Melville, NY, USA), and laser fluorescent (LF) readings using the DIAGNOdent (KaVo, Biberach, Germany) were obtained from each tooth's buccal surface...
January 2018: Operative Dentistry
https://www.readbyqxmd.com/read/29247624/juxta-apical-radiolucency-prevalence-characterization-and-association-with-the-third-molar-status
#11
Eduarda Helena Leandro Nascimento, Anne Caroline Costa Oenning, Mariana Rocha Nadaes, Gláucia Maria Bovi Ambrosano, Francisco Haiter-Neto, Deborah Queiroz Freitas
PURPOSE: This study aimed to investigate the prevalence of juxta-apical radiolucency (JAR), assessing its association with third molar status and describing its radiologic features through panoramic radiography. MATERIALS AND METHODS: We evaluated 1,050 radiographs (1,830 third molars) for the presence of JAR. The JAR and control groups were classified according to the third molar's angulation, impaction, and root development. The presence of radiographic signs of proximity between the mandibular canal and third molar and the imaging features of JAR also were recorded...
November 23, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29241080/paternal-urinary-concentrations-of-organophosphate-flame-retardant-metabolites-fertility-measures-and-pregnancy-outcomes-among-couples-undergoing-in-vitro-fertilization
#12
Courtney C Carignan, Lidia Mínguez-Alarcón, Paige L Williams, John D Meeker, Heather M Stapleton, Craig M Butt, Thomas L Toth, Jennifer B Ford, Russ Hauser
BACKGROUND: Use of organophosphate flame retardants (PFRs) has increased over the past decade following the phase out of some brominated flame retardants, leading to increased human exposure. We recently reported that increasing maternal PFR exposure is associated with poorer pregnancy outcomes among women from a fertility clinic. Because a small epidemiologic study previously reported an inverse association between male PFR exposures and sperm motility, we sought to examine associations of paternal urinary concentrations of PFR metabolites and their partner's pregnancy outcomes...
December 11, 2017: Environment International
https://www.readbyqxmd.com/read/29235086/endothelial-expression-of-c-kit-and-cd68-in-dental-follicles-of-human-impacted-third-molars
#13
Mugurel Constantin Rusu, Aliona Rașcu, Mihai Dragomir Stoenescu
Periodontal tissue remnants of odontogenesis constitute the dental follicle (DF) which is actually considered a stem niche in adults. However, potentialities of local endothelia within this niche seem overlooked. We thus aimed at testing the endothelial cells expression of c-kit, the progenitor cells marker, and CD68, commonly regarded as a monocyte/macrophage marker, in human DFs. We performed an immunohistochemical study using these two markers which were applied on samples collected from ten adult patients...
December 13, 2017: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/29223633/effectiveness-of-irrigation-with-chlorhexidine-after-removal-of-mandibular-third-molars-a-randomised-controlled-trial
#14
H Cho, M C David, A J Lynham, E Hsu
To evaluate the effect of postoperative irrigation with chlorhexidine on inflammatory complications after the extraction of lower third molars under local anaesthesia, we recruited 100 patients to participate in a controlled, single-blind, randomised clinical trial. They were assigned to one of two groups: the intervention group (postoperative irrigation of the surgical site with chlorhexidine for seven days) or the control group (postoperative chlorhexidine mouth rinse for seven days). The primary outcome variables were pain, swelling, trismus, infection, and alveolar osteitis...
December 6, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/29208799/an-alternative-approach-for-space-opening-in-a-bilateral-maxillary-lateral-incisor-agenesis-patient-using-miniplates
#15
Gladistone C Meros, Aline Shoji, Selly Suzuki, Luiz R Paranhos, Rodrigo Manfroi, Jonathas Claus, Aguinaldo Garcez
AIM: This case report aimed to present an orthodontic mechanic alternative for space opening in a patient missing maxillary lateral incisors, using miniplates as anchorage, associated with self-ligating brackets. BACKGROUND: Dental agenesis affects the population causing esthetic and functional damages. The prevalence of missing maxillary lateral incisors should be considered for its significant rate and negative impact on smile esthetics. CASE REPORT: This treatment was chosen based on the presence of balanced facial pattern, large canine anatomy, the need to improve dental occlusion to prevent further wear, and patient's esthetic complaint...
December 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29164184/interpretations-of-complications-following-third-molar-extraction
#16
Devorah Schwartz-Arad, Anat Lipovsky, Michal Pardo, Oren Adut, Eran Dolev
OBJECTIVE: Surgical removal of third molars is often associated with complications. The aim of the present study was to analyze the incidence of complications following extraction of third molars relative to the risk factors. METHOD AND MATERIALS: This retrospective study included 463 patients who had mandibular third molar extraction (performed by a single surgeon, DSA) in the years 2001 to 2011. In total, 665 mandibular third molars were extracted. The average patient's age was 29 ± 11...
November 21, 2017: Quintessence International
https://www.readbyqxmd.com/read/29164183/removal-of-a-severely-impacted-mandibular-third-molar-minimizing-the-risks-of-compromised-periodontium-nerve-injury-and-mandibular-fracture
#17
Christos Tsamis, Stylianos Rodiou, Athanasios Stratos, Nikolaos Gkantidis
A technique is presented for severely impacted and dentigerous-cyst-related mandibular third molar removal, avoiding any associated risks. CASE PRESENTATION: A healthy patient complained about unpleasant smell and taste in the mouth and unilateral extraoral palpation of a protuberance, at the right corner of the mandible. Restricted field CBCT showed a severely impacted third molar, which penetrated the inferior cortical bone of the mandibular corner and was associated with a dentigerous cyst that had resorbed considerable bone in the region...
November 21, 2017: Quintessence International
https://www.readbyqxmd.com/read/29135272/-protecting-the-inferior-alveolar-nerve-coronectomy-of-lower-third-molars-review
#18
József Szalma, Edina Lempel
Coronectomy of lower impacted wisdom teeth is the partial removal of third molars, aiming to avoid inferior alveolar nerve injuries. The coronectomy procedure has several crucial points, such as the pulpal, periapical preoperative conditions of the tooth, the way of crown sectioning and decoronation, the wound closure and the length of patients' follow up. In addition it is important to identify and manage possible intraoperative or postoperative complications correctly. According to the literature, the complication rate of coronectomy is usually lower, than that of total teeth removal, furthermore considering inferior alveolar nerve injuries, coronectomy is significantly the safer procedure...
November 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/29133965/evaluation-of-adjunctive-effect-of-low-level-laser-therapy-on-pain-swelling-and-trismus-after-surgical-removal-of-impacted-lower-third-molar-a-double-blind-randomized-clinical-trial
#19
Farrokh Farhadi, Hosein Eslami, Alireza Majidi, Vahid Fakhrzadeh, Milad Ghanizadeh, Sahar KhademNeghad
Background and Aim: Wisdom teeth remains impacted in the jaw due to several reasons and surgery of impacted wisdom teeth is one of the most common surgeries in dental clinics. Pain, swelling and trismus are the common complications after this surgery which affect quality of life. In articles, various methods are introduced to control immediate inflammatory-response associated with third-molar surgery. The aim of this study is to evaluate the adjunctive effect of low-level laser Therapy on pain, swelling and trismus after surgical removal of impacted lower third molar...
September 30, 2017: Laser Therapy
https://www.readbyqxmd.com/read/29126539/sublingual-dexamethasone-may-result-in-a-small-decrease-in-pain-after-impacted-mandibular-third-molar-surgical-extraction
#20
Romina Brignardello-Petersen
No abstract text is available yet for this article.
November 3, 2017: Journal of the American Dental Association
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