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https://www.readbyqxmd.com/read/28632668/low-intensity-pulsed-ultrasound-lipus-promotes-bmp9-induced-osteogenesis-and-suppresses-inflammatory-responses-in-human-periodontal-ligament-derived-stem-cells
#1
Joji Kusuyama, Toshiaki Nakamura, Tomokazu Ohnishi, Nahoko Eiraku, Kazuyuki Noguchi, Tetsuya Matsuguchi
OBJECTIVE: We previously reported that low intensity pulsed ultrasound (LIPUS) promotes marrow stromal cell (MSC) osteogenesis and suppresses the LPS-induced inflammatory response in osteoblasts. Here, we examined the effects of LIPUS on human periodontal ligament-derived stem cells (hPDLSCs) in chronic inflammatory bone disease, such as periodontitis. MATERIALS AND METHODS: hPDLSCs were collected from 3 healthy third molars. hPDLSCs were induced to differentiate by either recombinant BMP2 or BMP9 with or without daily LIPUS treatment (20 min/d)...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28628951/cranial-indicators-identified-for-peak-incidence-of-otitis-media
#2
Anthony Pagano, Eugene Wang, Derek Yuan, Daniel Fischer, Charles Bluestone, Samuel Marquez, Jeffrey Laitman
Acute otitis media (AOM) is one of the most common pediatric conditions worldwide. Peak age of occurrence for AOM has been identified within the first postnatal year and it remains frequent until approximately six postnatal years. Morphological differences between adults and infants in the cartilaginous Eustachian tube (CET) and associated structures may be responsible for development of this disease yet few have investigated normal growth trajectories. We tested hypotheses on coincidence of skeletal growth changes and known ages of peak AOM occurrence...
June 19, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28620553/unusual-case-of-extraction-of-maxillary-lateral-incisors-and-mandibular-central-incisors
#3
Rosa-María Yañez-Vico, Maria Cadenas de Llano-Perula, Enrique Solano-Reina
INTRODUCTION: This article's purpose is to report a case where maxillary lateral incisors and mandibular central incisors are extracted and a canine substitution was performed as the best therapeutic option in order to obtain symmetry in a malocclusion with an upper lateral incisor with poor prognostic, solve moderate crowding, get enough space for the permanent dentition, and provide stability to the results. CASE REPORT: An 11-year-old boy with straight profile with acute-to-normal nasolabial angle and protruded lips, mixed dentition, lower and upper severe crowding, and a bilateral molar angle Class I...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28610818/effect-of-pre-emptive-analgesia-on-clinical-parameters-and-tissue-levels-of-tnf-%C3%AE-and-il-1%C3%AE-in-third-molar-surgery-a-triple-blind-randomized-placebo-controlled-study
#4
A F M Albuquerque, C S R Fonteles, D R do Val, H V Chaves, M M Bezerra, K M A Pereira, P G de Barros Silva, B B de Lima, E C S Soares, T R Ribeiro, F W G Costa
This study aimed to evaluate whether pre-emptive analgesia modifies the tissue expression of tumour necrosis factor alpha (TNF-α) and interleukin 1 beta (IL-1β), and whether there is an association with postoperative surgical outcomes. A triple-blind, randomized, placebo-controlled study of patients undergoing mandibular third molar removal was performed. Volunteers were allocated randomly to receive etoricoxib 120 mg, ibuprofen 400 mg, or placebo 1h before surgery. Twenty-four surgical sites per group were required (95% confidence level and 80% statistical power)...
June 10, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28607555/an-observational-cohort-study-on-delayed-onset-infections-after-mandibular-third-molar-extractions
#5
Giulia Brunello, Marleen De Biagi, Giulia Crepaldi, Fernanda Izaura Rodrigues, Stefano Sivolella
OBJECTIVES: The purpose of the present study was to investigate the occurrence and clinical features of delayed-onset infections after mandibular third-molar extractions. METHOD AND MATERIALS: An observational cohort study was conducted on 179 patients undergoing mandibular third-molar extraction between January 2013 and December 2015, for a total of 217 extractions. Data were recorded at the time of extraction (T0), on suture removal seven days later (T1), and 30 days after the extraction, when patients were contacted and asked about their healing process (T2)...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28606331/the-chronology-of-the-radiographic-visibility-of-the-periodontal-ligament-and-the-root-pulp-in-the-lower-third-molars
#6
M Timme, W H Timme, A Olze, C Ottow, S Ribbecke, H Pfeiffer, R Dettmeyer, A Schmeling
Eruption and mineralization of third molars are the main criteria for dental age estimation in living adolescents. As the validation of completion of the 18th year of life appears not to be possible with the forensically necessary probability even if all the third molars of a person are completely mineralized, degenerative dental characteristics might be used for this purpose. In previous publications by Olze et al. (2010a,b) the radiographic visibility of the periodontal ligament and the root pulp in lower third molars were suggested as methods for this purpose...
July 2017: Science & Justice: Journal of the Forensic Science Society
https://www.readbyqxmd.com/read/28605044/periodontal-status-of-candidates-for-allogeneic-hematopoietic-stem-cell-transplantation
#7
Marta Aparecida Alberton Nuernberg, Suelen Caroline Rodrigues, Nicole Nichele Perdoncini, Vaneuza Araújo Moreira Funke, Carmem Maria Sales Bonfim, Samir Kanaan Nabhan, Cassius Carvalho Torres-Pereira
PURPOSE: The aim of this study was to describe the periodontal profile of -candidates for allogeneic hematopoietic stem cell transplantation. METHODS: This cross-sectional prospective study was performed from March 2014 to March 2015. After an initial interview, eligible individuals were evaluated by the following clinical parameters: visible plaque, bleeding on probing, probing depth, and clinical attachment level at six sites per tooth, excluding third molars...
June 12, 2017: Special Care in Dentistry
https://www.readbyqxmd.com/read/28604375/retained-upper-third-molars-during-le-fort-i-osteotomy-with-downfracture
#8
Marco Friscia, Marzia Petrocelli, Carolina Sbordone, Raffaele Corvino, Fabio Maglitto, Francesco Maria Cassandro, Giorgio Iaconetta, Luigi Califano
AIM: The aim of our study is to demonstrate that the presence of upper wisdom teeth must be evaluated before and during Le Fort I osteotomy because attention must be focused to the disadvantages or facilitations of surgery depending on molar presence. MATERIALS OF STUDY: Our study has analyzed two groups, each one including 20 patients, 10 males and 10 females, with an age between 16-30 years. The first group was treated with le Fort I osteotomy leaving in situ the wisdom upper third molars...
2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28604089/comparison-of-articaine-and-lidocaine-for-buccal-infiltration-after-inferior-alveolar-nerve-block-for-intraoperative-pain-control-during-impacted-mandibular-third-molar-surgery
#9
Geraldo Prisco da Silva-Junior, Liane Maciel de Almeida Souza, Francisco Carlos Groppo
In order to compare the efficacy of lidocaine and articaine for pain control during third molar surgery, 160 patients presenting bilateral asymptomatic impacted mandibular third molars were selected. They received 1.8 mL of 2% lidocaine with epinephrine 1:100,000 during inferior alveolar nerve block. In group 1 (n = 80), an infiltrative injection of 0.9 mL of 2% lidocaine with epinephrine 1:100,000 was performed in buccal-distal mucosa of the third molar. Group 2 (n = 80) received 0.9 mL of 4% articaine with epinephrine 1:100,000 in the contralateral side...
2017: Anesthesia Progress
https://www.readbyqxmd.com/read/28602570/combined-preoperative-measurement-of-three-inferior-alveolar-canal-factors-using-computed-tomography-predicts-the-risk-of-inferior-alveolar-nerve-injury-during-lower-third-molar-extraction
#10
H Tachinami, K Tomihara, K Fujiwara, K Nakamori, M Noguchi
A retrospective cohort study was performed to assess the clinical usefulness of combination assessment using computed tomography (CT) images in patients undergoing third molar extraction. This study included 85 patients (124 extraction sites). The relationship between cortication status, buccolingual position, and shape of the inferior alveolar canal (IAC) on CT images and the incidence of inferior alveolar nerve (IAN) injury after third molar extraction was evaluated. IAN injury was observed at eight of the 124 sites (6...
June 8, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28598387/occlusal-features-and-caries-experience-of-hong-kong-chinese-preschool-children-a-cross-sectional-study
#11
Shinan Zhang, Edward Chin Man Lo, Chun Hung Chu
Objective: To study occlusal features and their relation to caries experience in Hong Kong Chinese preschool children. Methods: Seven kindergarten classes in Hong Kong were selected using a stratified random sampling method, and the 4- and 5-year-old Chinese kindergarten children were invited to join the survey. Two calibrated dentists performed the clinical examinations in the kindergartens. Occlusion features, including incisal overjet; canine and molar relationship; median diastema; and primate space as well as malocclusion features, including crossbite; anterior open bite; and scissor bite, were recorded...
June 9, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28597837/-effectiveness-of-selective-alveolar-decortication-in-accelerating-orthodontic-treatment-a-systematic-review
#12
Victor Fau, Dany Diep, Gérard Bader, Damien Brézulier, Olivier Sorel
INTRODUCTION: The number of scientific publications on accelerating orthodontic treatment, and especially surgical alveolar corticotomies techniques, has grown exponentially over the years. The objective of this systematic literature review was to assess the effectiveness of these corticotomies basing on human studies. MATERIAL AND METHOD: The review was conducted from Medline and Web of Science Core Collection to identify prospective controlled clinical trials with duration of orthodontic treatment or the tooth movement rate for primary endpoint...
June 2017: L' Orthodontie Française
https://www.readbyqxmd.com/read/28597117/oral-dexamethasone-decreases-postoperative-pain-swelling-and-trismus-more-than-diclofenac-following-third-molar-removal-a-randomized-controlled-clinical-trial
#13
Carlos Alysson Aragão Lima, Vinícius Tatsumoto Favarini, Alexandre Machado Torres, Rogério Almeida da Silva, Fábio Ricardo Loureiro Sato
PURPOSE: The aim of this study was to compare the anti-inflammatory potential of two pharmacotherapy protocols based on the parameters of pain, trismus, and swelling, after extraction of third molars. METHODS: Thirty patients selected with symmetrical impaction of third molars were submitted to surgical procedures in both sides in different times. For one group, dexamethasone was used for 3 days, and for another group diclofenac sodium was also used for the same period...
June 8, 2017: Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28597009/dimethyl-sulfoxide-wet-bonding-technique-may-improve-the-quality-of-dentin-bonding
#14
Jingmei Guo, Wenlong Lei, Hongye Yang, Yun Zhang, Shikai Zhao, Cui Huang
PURPOSE: To investigate the effect of the dimethyl-sulfoxide wet-bonding technique on composite-dentin bonds and to explore its potential mechanism. MATERIALS AND METHODS: Thirty human third molars were segmented, ground, etched, and randomly divided into three groups according to the following pretreatments: 1. water; 2. ethanol; 3. 50% (v/v) dimethyl sulfoxide (DMSO). Then, Single Bond 2 was applied and composite buildups were constructed. After 24 h of water storage or 10,000 cycles of thermocycling, the microtensile bond strength (MTBS) and nanoleakage were measured...
June 8, 2017: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/28592838/the-first-neanderthal-remains-from-an-open-air-middle-palaeolithic-site-in-the-levant
#15
Ella Been, Erella Hovers, Ravid Ekshtain, Ariel Malinski-Buller, Nuha Agha, Alon Barash, Daniella E Bar-Yosef Mayer, Stefano Benazzi, Jean-Jacques Hublin, Lihi Levin, Noam Greenbaum, Netta Mitki, Gregorio Oxilia, Naomi Porat, Joel Roskin, Michalle Soudack, Reuven Yeshurun, Ruth Shahack-Gross, Nadav Nir, Mareike C Stahlschmidt, Yoel Rak, Omry Barzilai
The late Middle Palaeolithic (MP) settlement patterns in the Levant included the repeated use of caves and open landscape sites. The fossil record shows that two types of hominins occupied the region during this period-Neandertals and Homo sapiens. Until recently, diagnostic fossil remains were found only at cave sites. Because the two populations in this region left similar material cultural remains, it was impossible to attribute any open-air site to either species. In this study, we present newly discovered fossil remains from intact archaeological layers of the open-air site 'Ein Qashish, in northern Israel...
June 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28591240/a-randomized-clinical-trial-on-the-sealing-of-occlusal-carious-lesions-3-4-year-results
#16
Luana Severo Alves, Fernanda Cristina Mendes de Santa Giongo, Bruna Mua, Vanessa Balbé Martins, Berenice Barbachan E Silva, Vibeke Qvist, Marisa Maltz
This randomized clinical trial aimed to assess the efficacy of sealing occlusal carious lesions in permanent teeth. The sample consisted of 54 occlusal carious lesions in permanent molars and premolars of 49 patients aged 8-43 years (median: 19 years). The inclusion criteria comprised the presence of a cavity with no access allowing biofilm control. The maximum depth of the lesion was the middle third of the dentin thickness, as assessed by bitewing radiography. The teeth were randomly assigned to sealant treatment (n = 28) or restorative treatment (n = 26)...
June 5, 2017: Brazilian Oral Research
https://www.readbyqxmd.com/read/28586638/efficacy-of-codeine-when-added-to-paracetamol-acetaminophen-and-ibuprofen-for-relief-of-postoperative-pain-after-surgical-removal-of-impacted-third-molars-a-double-blinded-randomized-control-trial
#17
Adrian D Best, R K De Silva, W M Thomson, Darryl C Tong, Claire M Cameron, Harsha L De Silva
PURPOSE: The use of opioids in combination with nonopioids is common practice for acute pain management after third molar surgery. One such combination is paracetamol, ibuprofen, and codeine. The authors assessed the efficacy of codeine when added to a regimen of paracetamol and ibuprofen for pain relief after third molar surgery. MATERIALS AND METHODS: This study was a randomized, double-blinded, placebo-controlled trial conducted in patients undergoing the surgical removal of at least 1 impacted mandibular third molar requiring bone removal...
May 15, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28584539/correlation-between-chronological-age-and-third-molar-developmental-stages-in-an-iranian-population-demirjian-method
#18
Aria Khosronejad, Manijeh Navabi, Shirin Sakhdari, Vahid Rakhshan
BACKGROUND: Third molar development is the only available tool for estimating the age of individuals after puberty. Since this tooth has very high interethnic variability, formulas calculated to estimate the age from its development stages cannot be generalized to other populations and should be adjusted for each region. Therefore, this study was conducted to evaluate this method in a sample of Tehran individuals for the first time, and also to compare the development of third molars across sexes and arches, and to estimate cutoff developmental stages for legal minor/major identification...
March 2017: Dental Research Journal
https://www.readbyqxmd.com/read/28584538/pattern-of-mandibular-third-molar-impaction-and-its-association-to-caries-in-mandibular-second-molar-a-clinical-variant
#19
V K Prajapati, Ruchi Mitra, K M Vinayak
BACKGROUND: Caries in second molar is common and prophylactic removal of the impacted teeth may be considered appropriate. Caries detection and restoration can be difficult and a restored second molar can undergo recurrent caries if the third molar is not removed prophylactically. In this study, the clinical findings related to impaction and its association with angular position and depth of impacted third molar were evaluated. MATERIALS AND METHODS: A retrospective descriptive study was carried out among the patients visiting the outpatient, department of Dentistry, RIMS, Ranchi...
March 2017: Dental Research Journal
https://www.readbyqxmd.com/read/28584479/gender-determination-by-odontometric-method
#20
Litha, H C Girish, Sanjay Murgod, J K Savita
CONTEXT: Gender determination is central in establishing personal identification from human skeletal remains. The study was conducted to find out the accuracy with which gender can be determined by odontometric methods. AIMS: To investigate the mesiodistal (MD) and buccolingual (BL) dimensions of all the teeth of permanent dentition to find new parameters to differentiate between male and female teeth and to assess whether each type of linear measurement can be used independently in odontometric sex differentiation...
January 2017: Journal of Forensic Dental Sciences
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