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J P T F Ho, H C M Donders, M W K Roeloffs, J de Lange
A 15-year-old boy was referred to an Oral and Maxillofacial Surgery department because of a persistent tooth 85 and a malposition of tooth 45. Following additional examination, it was concluded that the root formation of tooth 45 was already completed. Furthermore, it was horizontally impacted against the inferior border of the mandible. The decision was made to extract tooth 85 and to autotransplant tooth 45. Post-operatively, tooth 45 was fixed to the orthodontic equipment already in place and later treated endodontically...
September 2018: Nederlands Tijdschrift Voor Tandheelkunde
Michele M Figliuzzi, Maria Altilia, Laura Mannarino, Amerigo Giudice, Leonzio Fortunato
AIM: Combined surgical-orthodontic treatment of impacted maxillary canines has developed significantly in the last few years, regarding management of both hard and soft tissues and forces of traction. The aim of this report is to describe a combined surgical-orthodontic approach used to treat an impacted maxillary canine and to value the functional and esthetic results after 5 years of followup. MATERIALS AND METHODS: A 13-year-old boy had been seen by surgeons in the Operative Unit of Orthodontics of Policlinico Tor Vergata in Rome...
July 23, 2018: Annali Italiani di Chirurgia
Danny Hadaya, Akrivoula Soundia, Ioannis Gkouveris, Sarah Dry, Tara Aghaloo, Sotirios Tetradis
PURPOSE: Medication-related osteonecrosis of the jaw (MRONJ) is a rare but severe side effect of antiresorptive medications. Most animal models use tooth extraction as an instigating local factor to induce MRONJ, with varied results. However, these teeth are healthy and absent of dental disease, a rare finding that does not reflect clinical practices. The authors hypothesized that extraction of teeth with periapical inflammation would lead to MRONJ in rats treated with high-dose bisphosphonates...
August 22, 2018: Journal of Oral and Maxillofacial Surgery
Raphael Patcas, Moritz M Daum, Hubertus J M van Waes, Selina Beltrani, Lara T Pfister, Markus A Landolt
AIM: To examine the different emotions expressed by children exfoliating their first primary tooth, evaluate their proportional distribution, and reveal possible influences of child- and parent-related variables on the reported emotions. DESIGN: A cross-sectional questionnaire was directed to parents of children who had recently shed at least one primary tooth. Primary outcome variables were the child's emotions at the time of exfoliation. Child-related determinants were sex, duration of tooth wiggle, previous accident- or caries-related visits at dentist, and having witnessed tooth exfoliation in older siblings...
September 15, 2018: International Journal of Paediatric Dentistry
Takahiro Iwasaki, Hideki Fukuda, Masayasu Kitamura, Yumiko Kawashita, Hideaki Hayashida, Reiko Furugen, Zenya Koyama, Yuichi Ando, Toshiyuki Saito
We investigated the relationship between the number of pairs of posterior teeth and metabolic syndrome (MetS), abdominal obesity (AO), and obesity, among Japanese adults. In 2005, 2,807 Japanese adults aged 25-74 years participated in the Survey of Dental Diseases and the National Health and Nutrition Survey. Based on the survey data, BMI, AO (JAS) determined by the Japan Atherosclerosis Society, AO (IDF) by the International Diabetes Federation, and MetS were assessed. Total functional tooth units (t-FTUs) were scored with pairs of opposing posterior teeth, including artificial teeth...
September 14, 2018: Odontology
Julie Marchesan, Mustafa S Girnary, Li Jing, Michael Zhe Miao, Shaoping Zhang, Lu Sun, Thiago Morelli, Mark H Schoenfisch, Naohiro Inohara, Steven Offenbacher, Yizu Jiao
Periodontal disease (PD) is a common dental disease associated with the interaction between dysbiotic oral microbiota and host immunity. It is a prevalent disease, resulting in loss of gingival tissue, periodontal ligament, cementum and alveolar bone. PD is a major form of tooth loss in the adult population. Experimental animal models have enabled the study of PD pathogenesis and are used to test new therapeutic approaches for treating the disease. The ligature-induced periodontitis model has several advantages as compared with other models, including rapid disease induction, predictable bone loss and the capacity to study periodontal tissue and alveolar bone regeneration because the model is established within the periodontal apparatus...
September 14, 2018: Nature Protocols
Jed Dimaisip-Nabuab, Denise Duijster, Habib Benzian, Roswitha Heinrich-Weltzien, Amphayvan Homsavath, Bella Monse, Hak Sithan, Nicole Stauf, Sri Susilawati, Katrin Kromeyer-Hauschild
BACKGROUND: Untreated dental caries is reported to affect children's nutritional status and growth, yet evidence on this relationship is conflicting. The aim of this study was to assess the association between dental caries in both the primary and permanent dentition and nutritional status (including underweight, normal weight, overweight and stunting) in children from Cambodia, Indonesia and Lao PDR over a period of 2 years. A second objective was to assess whether nutritional status affects the eruption of permanent teeth...
September 14, 2018: BMC Pediatrics
Giampietro Zanette, Gian Maria Fabrizi, Federica Taioli, Matteo Francesco Lauriola, Andrea Badari, Moreno Ferrarini, Tiziana Cavallaro, Stefano Tamburin
OBJECTIVE: Ulnar/median motor nerve conduction velocity (MNCV) is ≤38 m/s in demyelinating Charcot-Marie-Tooth disease (CMT). Previous nerve high resolution ultrasound (HRUS) studies explored demyelinating CMT assuming it as a homogeneous genetic/pathological entity or focused on CMT1A. METHODS: To explore the spectrum of nerve HRUS findings in demyelinating CMTs, we recruited patients with CMT1A (N = 44), CMT1B (N = 9), CMTX (N = 8) and CMT4C (N = 4)...
September 1, 2018: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
F Schwendicke, J Krois, M Robertson, C Splieth, R Santamaria, N Innes
Clinical and patient-reported outcomes were reported for carious primary molars treated with the Hall technique (HT) as compared with conventional carious tissue removal and restorations (i.e., conventional restoration [CR]) in a 5-y randomized controlled practice-based trial in Scotland. We interrogated this data set further to investigate the cost-effectiveness of HT versus CR. A total of 132 children who had 2 matched occlusal/occlusal-proximal carious lesions in primary molars ( n = 264 teeth) were randomly allocated to HT or CR, provided by 17 general dental practitioners...
September 14, 2018: Journal of Dental Research
Vera Josephina Nicole Verploegen, Annemarie Adriana Schuller
OBJECTIVES: The aim of this study was to learn more about levels of knowledge relating to erosive tooth wear and about the most desirable way of disseminating dental information among young adults. METHODS: The research was a cross-sectional study of 331 young adults (20-25 years old) attending 25 dental care practices. Participants were asked to fill out a questionnaire with questions about their background, knowledge relating to erosive tooth wear and the preferred way of acquiring information about erosive tooth wear...
September 14, 2018: International Journal of Dental Hygiene
Pamela Uribe, Pawel Plakwicz, Lena Larsson, Ewa Czochrowska, Anna Westerlund, Maria Ransjö
We sought to investigate site-specific expression of bone-regulatory factors expressed by human dental follicles and to compare the stimulated expression of tumour necrosis factor (ligand) superfamily, member 11/tumour necrosis factor receptor superfamily, member 11b (RANKL/OPG) in human dental follicle cells (HDFCs) from different patients. Analysis of bone-regulatory markers in follicles from 12 different study participants was performed using RT-qPCR and immunofluorescence; apical and coronal segments from each dental follicle were processed independently...
September 14, 2018: European Journal of Oral Sciences
Tesla A Monson, Leslea J Hlusko
OBJECTIVES: Although a great deal is known about the biology of tooth development and eruption, there remains disagreement about the factors driving the evolution of dental eruption sequence. We assessed postcanine eruption sequence across a large sample of primates to test two hypotheses: (1) Dental eruption sequence is significantly correlated with life history and body size variables that capture postnatal growth and longevity (Schultz's Rule), and (2) Dental eruption sequence is conserved phylogenetically...
September 14, 2018: American Journal of Physical Anthropology
A Zabrovsky, R Mahmoud, N Beyth, G Ben-Gal
OBJECTIVE: The study aimed to evaluate teaching trends and use of materials in direct posterior restorations during a 13-year period in an Israeli dental school. METHODS: Data registered in computerized files, relating to posterior restorations performed in the student clinic during the past 13 years (2004-2016), were collected. The restorative materials used (ie, amalgam vs composite), the type of tooth, and the number of surfaces restored were analyzed. RESULTS: Data analysis included 26,925 restorations performed during 13 years...
September 14, 2018: Operative Dentistry
Lei Wang, Ju-Peng Li, Zhi-Pu Ge, Gang Li
OBJECTIVE: A method was proposed to segment the tooth pulp cavity region in cone-beam computed tomography (CBCT) images, which aimed to make the extraction process more efficient and generate more reliable results for further research. METHODS: CBCT images of fifty teeth from ten patients were randomly collected with the help of Peking University Hospital of Stomatology. All slice images have a ground truth tooth pulp cavity region delineated by two doctors manually...
September 14, 2018: Dento Maxillo Facial Radiology
(no author information available yet)
Shorter implants are a reasonable option.
September 14, 2018: British Dental Journal
Catherine Bisson, Pierre-Henry Lec, Michel Blique, Nathalie Thilly, Marie Machouart
This study aims to evaluate the prevalence of trichomonads in the subgingival biofilm of patients with periodontitis. Secondarily, the trichomonad presence was related to patient characteristics and periodontal clinical parameters, in order to highlight the factor favoring the development of these protozoans. Subgingival biofilm samples were collected from at least two diseased and one healthy site in 50 patients suffering from periodontitis. Trichomonads were identified using phase contrast microscopy. All patient characteristics and periodontal clinical parameter data were then statistically analyzed...
September 13, 2018: Parasitology Research
J M Colazo, J R Hu, K M Dahir, J H Simmons
Hypophosphatasia (HPP) typically manifests with fractures, tooth loss, and muscle pain. Although mental health diagnoses and neurological symptoms have not been previously well documented in HPP, they occur commonly. The recognition of non-traditional symptoms may improve patient satisfaction, preempt costly evaluation and misdiagnosis, and lead to further treatment options. INTRODUCTION: Hypophosphatasia (HPP) is an inborn error of metabolism due to deficiency of tissue non-specific alkaline phosphatase (TNSALP)...
September 13, 2018: Osteoporosis International
Entessar Z Al Anazi
Apples, if indiscriminately consumed without appropriate preventive measures to check erosion, can cause accelerated wear of the teeth.Dentists must be fully aware of the intrinsic and extrinsic factors that cause erosive tooth wear. Management strategy for tooth erosion depends on the severity of erosion, esthetics, function, and patient's preference.
September 2018: Clinical Case Reports
Parviz Padisar, Roya Hashemi, Mohammadreza Naseh, Bahareh Abde Nikfarjam, Mahdi Mohammadi
Background: Orthodontic tooth movement (OTM) is based on induction of periodontal tissue remodeling. Mechanical tooth stimulation results in the release of pro-inflammatory mediators. These mediators cause bone resorption and deposition at the pressure and tension sites and play a role in OTM. Thus, assessment of chemical biomarkers can help determine the exact amount of load and its duration of application required for each tooth and select the most efficient treatment plan with minimal complications...
August 2018: Electronic Physician
Fares S Al-Sehaibany, Danah Z Almubarak, Reem A Alajlan, Mohammad A Aldosari, Nasser D Alqahtani, Nassr S Almaflehi, Sahar F AlBarakati
Aim: This study investigated the knowledge of elementary school staff regarding the management of traumatic dental injuries (TDIs) in children. Methods: The present cross-sectional study analyzed data collected between September 2016 and April 2017. The sample consisted of 2,027 elementary school staff members in Riyadh, Saudi Arabia. A stratified cluster random sampling technique was used to select the required sample. Those who agreed to participate in the study completed a 4-part self-administered questionnaire comprising questions regarding demographic data, knowledge on management of tooth fracture, and avulsion using photographs of TDI cases...
2018: Clinical, Cosmetic and Investigational Dentistry
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