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https://www.readbyqxmd.com/read/29351022/a-survey-of-orthodontic-treatment-in-team-care-for-patients-with-syndromic-craniosynostosis-in-japan
#1
Takafumi Susami, Toshihiko Fukawa, Haruyo Miyazaki, Teruo Sakamoto, Tadashi Morishita, Yoshiaki Sato, Yoshiaki Kinno, Kazuyuki Kurata, Keiichiro Watanabe, Toshikazu Asahito, Isao Saito
OBJECTIVE: To understand the actual condition of orthodontic treatment in team care for patients with syndromic craniosynostosis (SCS) in Japan. DESIGN: A nationwide collaborative survey. SETTING: Twenty-four orthodontic clinics in Japan. PATIENTS: A total of 246 patients with SCS. MAIN OUTCOME MEASURE: Treatment history was examined based on orthodontic records using common survey sheets. RESULTS: Most patients first visited the orthodontic clinic in the deciduous or mixed dentition phase...
January 1, 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/29338145/association-between-bispectral-index-system-bistm-and-airway-obstruction-an-observational-prospective-cohort-analysis-during-third-molar-extractions
#2
A Sassan Sabouri, Alireza Jafari, Paul Creighton, Adam Shepherd, Timothy J Votta, Hao Deng, Christopher Heard
BACKGROUND: Sedation regimes during oral procedures frequently associated with airway obstruction. The aim of this study was to define the association of bispectral index (BIS) to the depth of sedation and airway obstruction events. METHODS: 47 patients between 1421 years old who were candidates for 3rd molar teeth extraction were enrolled in this study. Patients received a total of 4mg midazolam, 100 microgram fentanyl followed by titrated incremental propofol in 10mg...
January 16, 2018: Minerva Anestesiologica
https://www.readbyqxmd.com/read/29333321/periodontal-wound-healing-following-reciprocal-autologous-root-transplantation-in-class-iii-furcation-defects
#3
Naoshi Takeuchi, Yoshinori Shirakata, Yukiya Shinohara, Kotaro Sena, Kazuyuki Noguchi
Purpose: Furcation involvement in the molars is difficult to treat, and has been recognized as a risk factor for tooth loss. Although periodontal regenerative therapies, including guided tissue regeneration and various types of bone grafts, have been applied to furcation defects, the effects of these treatments are limited, especially in large class III furcation defects. The purpose of this pilot study was to investigate the effect of reciprocal autologous root transplantation on periodontal wound healing and regeneration in class III furcation defects in dogs...
December 2017: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/29330705/association-between-skeletal-morphology-and-agenesis-of-all-four-third-molars-in-japanese-orthodontic-patients
#4
Yoshiko Sugiki, Yoshiki Kobayashi, Miwa Uozu, Toshiya Endo
The purpose of this study was to clarify differences in skeletal morphologies between male and female orthodontic patients with and without agenesis of all four third molars. A total of 64 patients (32 males and 32 females) with agenesis of all four third molars without agenesis of other teeth were selected as the third molars agenesis group (group 1). In addition, 64 patients (32 males and 32 females) with all these teeth were selected as controls (group 2). Lateral cephalograms taken between the ages of 14 and 30 years were used to compare skeletal morphology between groups 1 and 2 and between sexes...
January 12, 2018: Odontology
https://www.readbyqxmd.com/read/29327669/advanced-3d-models-culture-to-investigate-mesenchymal-stromal-cells-of-the-human-dental-follicle
#5
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
#6
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/29316852/a-longitudinal-study-on-timing-and-velocity-of-rat-molar-eruption-timing-of-rat-molar-eruption
#7
Balazs J Denes, Aikaterini Lagou, Domna Dorotheou, Stavros Kiliaridis
Rat molar eruption and occlusion data were compiled from several studies but several inconsistencies were found, rendering the planning of eruptional studies difficult and imprecise. Our aim was to measure eruption and occlusion days, as well as eruption velocity, in the upper and lower three molars from infancy to end of adolescence in the rat. A total of 19 male and female Wistar rats were scanned daily by micro-computed tomography (CT) from day 15 to 70. We measured the eruption of all maxillary and mandibular molars with reference points at the hard palate and mandibular canal at three stages: pre-emergent, pre-occlusal, and functional...
January 1, 2018: Laboratory Animals
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
#8
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
#9
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
#10
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
#11
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/29302291/a-case-series-of-intraosseous-hemangioma-of-the-jaws-various-presentations-of-a-rare-entity
#12
Srinivasa R Chandra, Eleanor Chen, Timothee Cousin, Dolphine Oda
Background: Hemangiomas of the soft tissue are common in the head and neck area, especially in the tongue and in children under ten years of age. Intraosseous hemangiomas of the mandible and maxilla (IHM), on the other hand, are exceedingly rare and are not well characterized. This study presents six IHM cases focusing on the clinical, radiographic, and histologic characteristics. Material and Methods: Six cases of IHM were retrieved from the archives of the Biopsy Services at the University of Washington...
November 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29302051/genetic-mapping-of-molar-size-relations-identifies-inhibitory-locus-for-third-molars-in-mice
#13
Nicolas Navarro, A Murat Maga
Molar size in Mammals shows considerable disparity and exhibits variation similar to that predicted by the Inhibitory Cascade model. The importance of such developmental systems in favoring evolutionary trajectories is also underlined by the fact that this model can predict macroevolutionary patterns. Using backcross mice, we mapped QTL for molar sizes controlling for their sequential development. Genetic controls for upper and lower molars appear somewhat similar, and regions containing genes implied in dental defects drive this variation...
January 5, 2018: Heredity
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
#14
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/29299188/prevention-of-neurological-injuries-during-mandibular-third-molar-surgery-technical-notes
#15
Gerardo La Monaca, Iole Vozza, Rita Giardino, Susanna Annibali, Nicola Pranno, Maria Paola Cristalli
Surgery to the mandibular third molar is common, and injuries to the inferior alveolar nerve and the lingual nerve are well-recognized complications of this procedure. The aim of these technical notes is to describe operative measures for reducing neurological complications during mandibular third molar surgery. The following procedure should be used to prevent damage to the inferior alveolar nerve: a well-designed mucoperiosteal flap, to obtain appropriate access to the surgical area; a conservative ostectomy on the distal and distal-lingual side; tooth sectioning, to facilitate its removal by decreasing the retention zones; tooth dislocation in the path of withdrawal imposed by the curvature of the root apex; and careful socket debridement, when the roots of the extracted tooth are in intimate contact with the mandibular canal...
April 2017: Annali di Stomatologia
https://www.readbyqxmd.com/read/29298403/intrapulpal-temperature-increases-caused-by-445-nm-diode-laser-assisted-debonding-of-self-ligating-ceramic-brackets-during-simulated-pulpal-fluid-circulation
#16
Steffen Stein, Johannes Wenzler, Andreas Hellak, Michael Schauseil, Heike Korbmacher-Steiner, Andreas Braun
OBJECTIVE: This study investigated temperature increases in dental pulp resulting from laser-assisted debonding of ceramic brackets using a 445-nm diode laser. MATERIALS AND METHODS: Eighteen ceramic brackets were bonded in standardized manner to 18 caries-free human third molars. Pulpal fluid circulation was simulated by pumping distilled water at 37°C through the pulp chamber. The brackets were irradiated with a 445-nm diode laser. Temperatures were measured using a thermal camera at points P1 (center of the pulp) and P2 (in the hard dental tissue) at the baseline (T0), at the start and end of laser application (T1 and T2), and the maximum during the sequence (Tmax)...
January 3, 2018: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/29296115/comparison-of-the-dentin-bond-strength-of-two-self-etch-adhesives-after-prolonged-air-drying-and-additional-light-curing
#17
Pouran Samimi, Masoud Ghodrati, Farinaz Shirban, Maryam Khoroushi
Objectives: It has been reported that the water, solvents, or the primer incorporated into adhesive resins decrease the polymerization, compromise the mechanical properties, reduce the bond strength, and lead to a poor bonding performance of self-etch adhesives. This article evaluated the effect of air-drying and light-curing duration of self-etch adhesives on the micro-shear bond strength between composite resin and dentin. Materials and Methods: A total of 120 extracted sound human third molars were randomly divided into twelve groups (n=10)...
September 2017: Journal of Dentistry of Tehran University of Medical Sciences
https://www.readbyqxmd.com/read/29285826/a-cone-beam-computed-tomography-study-of-the-anatomical-relationships-between-mandibular-teeth-and-the-mandibular-canal-with-a-review-of-the-current-literature
#18
Umut Aksoy, Seçil Aksoy, Kaan Orhan
The purpose of this study was to evaluate age- and sex-related changes in the anatomical relationships between the roots of the molars and premolars and the mandibular canal using cone-beam computed tomography (CBCT) images. A total of 243 patients (116 males, 127 females) aged 16-83 years for whom previous CBCT scans were available were enrolled in this study. The patients were subcategorized by sex and age (Group I, <21 years; Group II, 21-40 years; and Group III, >40 years). The distances between the mandibular canal and the molars and premolars were measured...
December 29, 2017: Microscopy Research and Technique
https://www.readbyqxmd.com/read/29285329/the-flap-recovery-on-the-impacted-lower-third-molar-surgery-comparing-3-different-flap-designs-a-clinical-study
#19
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/29285031/efficacy-of-modified-bioactive-glass-for-dentin-remineralization-and-obstruction-of-dentinal-tubules
#20
Mahshid Saffarpour, Maryam Mohammadi, Mohammadreza Tahriri, Azadeh Zakerzadeh
Objectives: This study assessed the efficacy of modified bioactive glass (MBG) for dentin remineralization and obstruction of dentinal tubules. Materials and Methods: Thirty-six dentin discs were made from 20 third molars and were stored in 12% lactic acid solution for two weeks to induce demineralization. The samples were divided into three groups (n=12): 1- BG, 2- BG modified with 5% strontium (Sr) and 3- BG modified with 10% Sr. After applying the BG, the samples were stored in artificial saliva for 7, 14 and 21 days...
July 2017: Journal of Dentistry of Tehran University of Medical Sciences
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