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https://www.readbyqxmd.com/read/29321613/evaluation-of-in-vivo-digital-root-reconstruction-based-on-anatomical-characteristics-of-the-periodontal-ligament-using-cone-beam-computed-tomography
#1
Chenxin Wang, Yi Liu, Siwei Wang, Yong Wang, Yijiao Zhao
This study's aim was to develop and validate an approach to automatically extract and reconstruct three-dimensional (3D) digital root models from in vivo teeth based on the anatomical characteristics of the periodontal ligament using cone beam computed tomography (CBCT) data. Prior to undergoing dental extractions for orthodontic purposes, the CBCT data of each study participant were collected and imported into Mimics software to reconstruct 3D in vivo digital root models (test models). Twenty roots of 17 teeth extracted from the study's participants were scanned using a dental scanner to obtain 3D in vitro digital root models (reference models)...
January 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29315071/-natural-head-position-s-reproducibility-on-photographs
#2
Marie-Line Eddo, Émilie El Hayeck, Maha Hoyeck, Élie Khoury, Joseph Ghoubril
INTRODUCTION: The purpose of this study is to evaluate the reproducibility of natural head position with time on profile photographs. MATERIALS AND METHODS: Our sample is composed of 96 students (20-30 years old) at the department of dentistry of Saint Joseph University in Beirut. Two profile photographs were taken in natural head position about a week apart. RESULTS: No significant differences were found between T0 and T1 (E = 1.065°)...
December 2017: L' Orthodontie Française
https://www.readbyqxmd.com/read/29308515/-measurement-of-anterior-teeth-widths-in-236-uygur-teenagers
#3
Shuang Zhang, Tian-Heng Cai, Cong-Bo Mi
PURPOSE: In order to provide reference for orthodontic and esthetic dentistry, we measured anterior teeth widths, and analyzed the ratio between the teeth in 236 Uygur teenagers. METHODS: Two hundred and thirty-six samples were selected from Uygur population,Vernier calipers was used to measure the widths of the anterior teeth. SPSS21.0 software package was used for independent sample t test, paired t test and REG regression. RESULTS: Except for mandibular lateral incisors, significant difference was observed in anterior teeth widths between males and females, the ratio between the upper and lower central incisors in males was nearly 1...
October 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/29299732/mi-varnish-and-mi-paste-plus-in-a-caries-prevention-and-remineralization-study-a-randomized-controlled-trial
#4
Peter Rechmann, Sona Bekmezian, Beate M T Rechmann, Benjamin W Chaffee, John D B Featherstone
OBJECTIVES: White spot lesions (WSLs) are a complication of orthodontic therapy. This study investigated the effect of MI (minimally invasive) Paste Plus (MIPP) and MI Varnish (MIV) on WSLs in orthodontic patients during a 12-month, randomized, single-blind, prospective, standard-of-care controlled clinical trial. MATERIALS AND METHODS: Forty subjects, recruited from the UCSF School of Dentistry Orthodontics Clinic, were randomly assigned to the experimental (twice-daily 1100 ppm fluoride toothpaste, daily MIPP, quarterly MIV application) or control group (twice-daily 1100 ppm fluoride toothpaste, fluoride rinse recommendation)...
January 4, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29287655/highly-cited-orthodontic-articles-from-2000-to-2015
#5
Panagiotis Prevezanos, Apostolos I Tsolakis, Panagiotis Christou
INTRODUCTION: Identification of highly cited articles based on the h-index and its properties is important for the evaluation of the past, present, and future of any research discipline. In this study, we aimed to identify the h-classic articles in orthodontics. METHODS: One search on the Web of Science identified all articles from 2000 to 2015 in the 89 journals indexed by the 2015 InCites Journal Citation Reports in the scientific area "dentistry, oral surgery, and medicine...
January 2018: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29285467/role-of-cone-beam-computed-tomography-in-diagnosis-and-treatment-planning-in-dentistry-an-update
#6
REVIEW
Sagrika Shukla, Ashi Chug, Kelvin I Afrashtehfar
Accurate diagnosis and treatment planning are the backbone of any medical therapy; for this reason, cone beam computed tomography (CBCT) was introduced and has been widely used. CBCT technology provides a three-dimensional image viewing, enabling exact location and extent of lesions or any anatomical region. For the very same reason, CBCT can not only be used for surgical fields but also for fields such as endodontics, prosthodontics, and orthodontics for appropriate treatment planning and effective dental care...
November 2017: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/29233132/intraoral-scanners-in-dentistry-a-review-of-the-current-literature
#7
Francesco Mangano, Andrea Gandolfi, Giuseppe Luongo, Silvia Logozzo
BACKGROUND: Intraoral scanners (IOS) are devices for capturing direct optical impressions in dentistry. The purpose of this narrative review on the use of IOS was to: (1) identify the advantages/disadvantages of using optical impressions compared to conventional impressions; (2) investigate if optical impressions are as accurate as conventional impressions; (3) evaluate the differences between the IOS currently available commercially; (4) determine the current clinical applications/limitations in the use of IOS...
December 12, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/29228139/authorship-characteristics-of-orthodontic-randomized-controlled-trials-systematic-reviews-and-meta-analyses-in-non-orthodontic-journals-with-impact-factor
#8
Ahlam R Alqaydi, Georgios Kanavakis, Shazia Naser-Ud-Din, Athanasios E Athanasiou
Background/Objective: This study was conducted to explore authorship characteristics and publication trends of all orthodontic randomized controlled trials (RCTs), systematic reviews (SRs), and meta-analyses (MAs) published in non-orthodontic journals with impact factor (IF). Materials and methods: Appropriate research strategies were developed to search for all articles published until December 2015, without restrictions regarding language or publication status...
December 8, 2017: European Journal of Orthodontics
https://www.readbyqxmd.com/read/29224185/tension-force-induced-bone-formation-in-orthodontic-tooth-movement-via-modulation-of-the-gsk-3%C3%AE-%C3%AE-catenin-signaling-pathway
#9
Yelin Mao, Liangliang Wang, Ye Zhu, Yu Liu, Hongwei Dai, Jianping Zhou, Dechun Geng, Lin Wang, Yong Ji
Orthodontic force-induced osteogenic differentiation and bone formation at tension sites play a critical role in orthodontic tooth movement. However, the molecular mechanism underlying this phenomenon is poorly understood. In the current study, we investigated the involvement of the GSK-3β/β-catenin signaling pathway, which is critical for bone formation during tooth movement. We established a rat tooth movement model to test the hypothesis that orthodontic force may stimulate bone formation at the tension site of the moved tooth and promote the rate of tooth movement via regulation of the GSK-3β/β-catenin signaling pathway...
December 9, 2017: Journal of Molecular Histology
https://www.readbyqxmd.com/read/29216024/maxillary-cortical-bone-thickness-in-a-south-eastern-anatolian-population-a-cone-beam-computed-tomography-study
#10
Ozkan Adiguzel, Ceren Aktuna Belgin, Seda Falakaloglu, Suzan Cangul, Zeki Akkus
BACKGROUND The aim of this study was to measure the distance between the maxillary premolar and molar teeth apices to the buccal cortical bone and evaluate differences in gender and age group, using cone beam computed tomography (CBCT). MATERIAL AND METHODS This retrospective study comprised of 451 premolar and molar teeth of one hundred and thirteen patients who were admitted to Dicle University, Faculty of Dentistry, Department of Dentomaxillofacial Radiology for different reasons. Data were analyzed using Student's t-tests and Tukey HSD tests...
December 7, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29201899/cephalometric-soft-tissue-characteristics-of-unilateral-cleft-lip-and-palate-patients-in-relation-to-missing-teeth
#11
Khalid A Almoammar, Hala A Almarhoon, Waeil Batwa, Nasser Alqahtani, Thikriat Al-Jewair, Sahar Albarakati
Objective: This study aimed to evaluate cephalometric soft tissue characteristics in individuals with unilateral complete cleft lip and palate (UCCLP) both with and without missing teeth. Design: A retrospective investigation of patient records, who are being treated at the cleft lip and palate (CLP) clinics at the College of Dentistry. Ninety-six consecutive records of nonsyndromic UCCLP subjects were recruited (33 subjects without missing teeth and 63 subjects with missing teeth)...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29193633/evidence-based-dentistry-can-effectively-be-taught-to-dental-care-professional-students-a-mixed-methods-study
#12
A F Kahatab, Y B Ho, D O'Reilly, C Tan, J McTernan, T Ahmed, A O'Halloran, D Sagheri, A Abdollahi, C Mac Giolla Phadraig
BACKGROUND: Little research exists in the teaching of evidence-based dentistry (EBD) to students in the fields of dental hygiene, dental nursing and orthodontic therapy. This study aims to analyse the effect of a 1-day EBD programme on knowledge and confidence whilst also gaining insight into students' experience of the intervention. METHOD: A mixed methods study was utilised with explanatory sequential design. The population consisted of dental hygiene (DH), dental nursing (DN) and orthodontic therapy (OT) students (N = 44)...
November 28, 2017: European Journal of Dental Education: Official Journal of the Association for Dental Education in Europe
https://www.readbyqxmd.com/read/29189038/effect-of-personality-on-oral-health-related-quality-of-life-in-undergraduates
#13
Feiou Lin, Yanling Ye, Shengjia Ye, Lan Wang, Wulong Du, Linjie Yao, Jing Guo
OBJECTIVES: To evaluate the effects of personality traits and other variables on oral health-related quality of life (OHRQoL) of Chinese undergraduates aged 17 to 24 years with no history of orthodontic treatment. MATERIALS AND METHODS: A total of 443 undergraduate students aged 17 to 24 years were selected and completed a two-section questionnaire: the Eysenck Personality Questionnaire Short Scale Chinese version and the Oral Health Impact Profile-14 Chinese version (OHIP-14)...
November 30, 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/29188451/pediatric-cleft-palate-patients-show-a-3-to-5-fold-increase-in-cumulative-radiation-exposure-from-dental-radiology-compared-with-an-age-and-gender-matched-population-a-retrospective-cohort-study
#14
Reinhilde Jacobs, Ruben Pauwels, William C Scarfe, Carl De Cock, Karl Dula, Guy Willems, An Verdonck, Constantinus Politis
OBJECTIVE: The objective of the study was to compare estimates of pediatric cumulative exposure and lifetime attributable risk (LAR) of radiation-induced cancer from dental radiology between cleft palate (CP) subjects and age- and gender-matched controls (non-CP), with and without orthodontic treatment. MATERIALS AND METHODS: The radiation exposure frequency of CP subjects and non-CP controls with and without orthodontic treatment was compared for two-dimensional radiography (intra-oral, panoramic and cephalometric radiography), computed tomography (CT), and cone-beam CT (CBCT) using cumulative radiation dose as an estimate...
November 29, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29172314/the-limitations-of-short-term-orthodontics-and-why-we-still-need-specialists-%C3%A2-a-review-of-the-current-literature
#15
Sana Luqmani
Short-term orthodontics (STO) serves to align anterior teeth. It has become popular in cosmetic dentistry as an alternative to destructive veneers and lengthy conventional orthodontics. The aim of this article is to raise awareness of the clinical limitations of STO and highlight some of the difficulties encountered with orthodontic retention. It also gives an overview of accredited training available to dentists who wish to develop their orthodontic skills. Clinical relevance: Greater awareness of the clinical limitations of short-term orthodontics will aid GDPs in appropriately selecting their cases and obtaining informed consent from patients...
January 2017: Dental Update
https://www.readbyqxmd.com/read/29167705/comparative-analysis-of-impacted-upper-canines-panoramic-radiograph-vs-cone-beam-computed-tomography
#16
Catarina-Luís-Vicente-Rodrigues Pico, Francisco-José-Fernandes do Vale, Francisco-José-Santiago-Fernandes-Amado Caramelo, Ana Corte-Real, Sónia-Margarida-Alves Pereira
Background: The use of CBCT exam in the study of IMC is not new. However, it's still not known in what specific aspects CBCT exam shows a better result than then conventional exams. The aim of this study was to compare and conclude in what way the opinion regarding upper canine impaction differed when observing a panoramic image compared to the observation of a set of CBCT reconstructions. Material and Methods: Twenty patients (10 males and 10 females) with a total of 28 impacted maxillary canines were identified from the database of the Department of Dentistry, Faculty of Medicine, University of Coimbra...
October 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29109317/prevalence-of-dental-malocclusions-in-patients-admitted-to-the-department-of-orthodontics-school-of-dentistry-tabriz-in-2016
#17
Mohammad H Ahangar-Atashi, Fatemeh Dabaghi-Tabriz, Sina Ahangar-Atashi, Mahdi Rahbar
AIM: This study is aimed at investigating the prevalence of disorders among patients referred to Tabriz Dental School in 2016. MATERIALS AND METHODS: This research was conducted in a cross-section method and taken from all patients admitted during this period. Classification of dental occlusion in patients was based on Angle's definition, skeletal classification was based on Steiner's analysis, and overjet and overbite values and other patient-related information were imported from the records in the extractive sector and in specific forms...
November 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/29099376/interdental-papilla-formation-after-diastema-closure
#18
Leticia Ferreira de Freitas Brianezzi, Bárbara Margarido Brondino, Giuliana Campo Chaves, Sérgio Kiyoshi Ishikiriama, Adilson Yoshio Furuse
Due to improvements in esthetic dentistry, the number of patients seeking to obtain a more harmonious smile has increased. A 40-year-old woman was referred for treatment because she was dissatisfied with the effect that diastemas and a conoid tooth had on her smile. Her maxillary anterior teeth were relatively short, resulting in a compromised esthetic relationship between height and width. Orthodontic treatment for better distribution of her teeth was recommended to the patient, but she refused, wanting faster and less expensive treatment...
November 2017: General Dentistry
https://www.readbyqxmd.com/read/29071020/in-vitro-comparison-of-fluoride-gel-alone-and-in-combination-with-er-cr-ysgg-laser-on-reducing-white-spot-lesions-in-primary-teeth
#19
Fatemeh Molaasadollah, Mohammad Asnaashari, Fatemeh Mashhadi Abbas, Maral Jafary
Introduction: Laser therapy has been suggested as a method for caries-prevention, and ErCr:YSGG laser is increasingly used in dentistry. This study aimed to compare the efficacy of fluoride gel alone and in conjunction with Er,Cr:YSGG laser for remineralization of white spot lesions (WSLs) in primary teeth. Methods: This study was conducted on 20 primary teeth with WSLs extracted for orthodontic reasons. Three sections were made of each tooth at the site of WSLs. The surface area of WSLs was measured under a stereomicroscope at ×25 magnification...
2017: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/29058839/-cone-beam-ct-new-tool-in-diagnostic-imaging
#20
M De Marneffe, M Milicevic, M Milicevic
The goal of this article is to show the advantages of the Cone Beam Computerized Tomography (CBCT) compared to classical Computerized Tomography (CT) and to describe several clinical applications of interest with this rather new technology. Invented practically for dentistry, in particular in implantology, the CBCT found major indications in paranasal sinus imaging, in maxillofacial and oral surgery, in periodontology, endodontics and orthodontics. CBCT is very useful to characterize various lesions of jaws with a reserve concerning the study of soft tissues (in that case, an MRI or CT with contrast injection should be preferred)...
October 2017: Revue Médicale de Liège
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