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International Journal of Dentistry

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https://www.readbyqxmd.com/read/28428800/effect-of-enamel-caries-lesion-baseline-severity-on-fluoride-dose-response
#1
Frank Lippert
This study aimed to investigate the effect of enamel caries lesion baseline severity on fluoride dose-response under pH cycling conditions. Early caries lesions were created in human enamel specimens at four different severities (8, 16, 24, and 36 h). Lesions were allocated to treatment groups (0, 83, and 367 ppm fluoride as sodium fluoride) based on Vickers surface microhardness (VHN) and pH cycled for 5 d. The cycling model comprised 3 × 1 min fluoride treatments sandwiched between 2 × 60 min demineralization challenges with specimens stored in artificial saliva in between...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28424733/combined-implant-and-tooth-support-an-up-to-date-comprehensive-overview
#2
REVIEW
Mahmoud K Al-Omiri, Maher Al-Masri, Mohannad M Alhijawi, Edward Lynch
Objectives. This article presents a review on the concerned topics and some considerations related to the concept of splinting teeth and implants in the rehabilitation of partial edentulism. Study Selection. An electronic PubMed/MEDLINE and manual search of identified articles and reviews as well as clinical, laboratory, and finite element studies was performed in this project. Due to the shortage in within-subject, long term, randomized, controlled clinical trials regarding the subject a meta-analysis was not possible...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28421115/radix-entomolaris-in-the-mandibular-molar-teeth-of-an-iranian-population
#3
Maryam Kuzekanani, Laurence J Walsh, Jahangir Haghani, Ali Zeynali Kermani
Purpose. Supernumerary roots in permanent mandibular molar teeth make endodontic treatment more complicated. The aim of this study was to determine the prevalence of Radix Entomolaris (RE) in permanent mandibular first and second molars in the population of Kerman, in the southeast of Iran. Materials and Methods. From a collection of 500 mandibular first and second molar teeth extracted over 2015-2016 at dental clinics in Kerman, teeth were scored for an additional distolingual root, and the average root length and root morphology of this extra root were determined using the De Moor classification scheme...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28408928/salivary-alpha-amylase-enzyme-psychological-disorders-and-life-quality-in-patients-with-recurrent-aphthous-stomatitis
#4
Juliana Andrade Cardoso, André Avelino Dos Santos Junior, Maria Lucia Tiellet Nunes, Maria Antonia Zancanaro de Figueiredo, Karen Cherubini, Fernanda Gonçalves Salum
Objective. The aim of this study was to evaluate stress, anxiety, and salivary alpha-amylase (SAA) activity in patients with recurrent aphthous stomatitis (RAS). The impact of this disease on the life quality was also evaluated. Design. Twenty-two patients with RAS and controls, matched by sex and age, were selected. Stress and anxiety were assessed using Lipp's Inventory of Stress Symptoms and Beck Anxiety Inventory. Life quality was assessed through the World Health Organization Quality of Life-bref (WHOQOL-BREF) and the Oral Health Impact Profile-14 (OHIP-14)...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28392803/periodontal-application-of-manuka-honey-antimicrobial-and-demineralising-effects-in-vitro
#5
Syarida H Safii, Geoffrey R Tompkins, Warwick J Duncan
Background. Topical application of manuka honey is effective in the treatment of burns and soft-tissue infections. The aim of this study was to assess the antibacterial activity of manuka honey against plaque-associated bacteria in vitro in order to evaluate the potential application as an adjunct to periodontal treatment. Materials and Methods. The minimum bacteriostatic and bactericidal concentrations (MIC and MBC) of manuka honey were compared to those of white clover honey against a variety of plaque-associated bacteria, at the natural and neutral pH...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28386279/effect-of-rebonding-on-the-bond-strength-of-orthodontic-tubes-a-comparison-of-light-cure-adhesive-and-resin-modified-glass-ionomer-cement-in-vitro
#6
Monika Aleksiejunaite, Antanas Sidlauskas, Arunas Vasiliauskas
The purpose of this study was to determine the impact of different enamel preparation procedures and compare light cure composite (LCC) and resin-modified glass ionomer (RMGI) on the bond strength of orthodontic metal tubes rebonded to the enamel. Twenty human molars were divided into two groups (n = 10). Tubes were bonded using LCC (Transbond XT) in group 1 and RMGI (Fuji Ortho LC) in group 2. The tubes in each group were bonded following manufacturers' instructions (experiment I) and then debonded using testing machine...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28373883/cephalometric-analysis-for-gender-determination-using-maxillary-sinus-index-a-novel-dimension-in-personal-identification
#7
Tanya Khaitan, Arpita Kabiraj, Uday Ginjupally, Ritika Jain
Purpose. Radiography is important in forensic odontology for the identification of humans. The maxillary sinus is the largest of the paranasal sinuses and first to develop. Sinus radiography has been used for identification of skeletal remains and determination of gender. Hence, the aim and objectives of the present study were to establish a new method for gender determination using maxillary sinus index from lateral cephalometric radiographs and to establish the reliability of maxillary sinus for gender determination...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28367215/root-zx-electronic-foramen-locator-an-ex-vivo-study-of-its-three-models-precision-and-reproducibility
#8
Bernardo Almeida Aguiar, Rafael Santos Reinaldo, Luciana Maria Arcanjo Frota, Mônica Sampaio do Vale, Bruno Carvalho de Vasconcelos
Although Root ZX is considered the gold standard electronic foramen locator (EFL), two variations of this device were launched, however without different operating mechanisms. This investigation aims to evaluate the precision of Root ZX (RZX), Root ZX II (RII), and Root ZX Mini (RM) EFLs. After access cavity preparation, 32 mandibular single rooted human premolars had their real length measured with the aid of a #15 K-type manual file under magnification (25x). Electronic measurements were performed by the devices in an alternate order until the apical foramen was reached (0...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28352285/effect-of-herbal-and-fluoride-mouth-rinses-on-streptococcus-mutans-and-dental-caries-among-12-15-year-old-school-children-a-randomized-controlled-trial
#9
Vinej Somaraj, Rekha P Shenoy, Ganesh Shenoy Panchmal, Vijaya Kumar, Praveen S Jodalli, Laxminarayan Sonde
To assess and compare the effect of herbal and fluoride mouth rinses on Streptococcus mutans count and glucan synthesis by Streptococcus mutans and dental caries, a parallel group placebo controlled randomized trial was conducted among 240 schoolchildren (12-15 years old). Participants were randomly divided and allocated into Group I (0.2% fluoride group), Group II (herbal group), and Group III (placebo group). All received 10 ml of respective mouth rinses every fortnight for a period of one year. Intergroup and intragroup comparison were done for Streptococcus mutans count and glucan synthesis by Streptococcus mutans and dental caries...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28352284/radiographic-findings-in-patients-with-medication-related-osteonecrosis-of-the-jaw
#10
Camila Lopes Cardoso, Carolina Arrabal Barros, Cláudia Curra, Luciana Maria Paes da Silva Ramos Fernandes, Solange de Oliveira Braga Franzolin, Joel Santiago Ferreira Júnior, Carlos César De Antoni, Marcos Martins Curi
A retrospective study was conducted of the records and panoramic radiographs of 35 patients treated with bisphosphonates (BP) and diagnosed with MRONJ. Panoramic radiography was used for evaluation, by two examiners, the following findings were subject of search: osteolysis (OT), cortical bone erosion (EC), bone sclerosis focal (FS) and diffuse (DS), bone sequestration (BS), thickening of lamina dura (TD), prominence of the inferior alveolar nerve canal (IAN), persisting alveolar sockets (SK), and the presence of a pathological fracture (PF)...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28348596/genetic-association-of-mmp10-mmp14-and-mmp16-with-dental-caries
#11
D D Lewis, J R Shaffer, E Feingold, M Cooper, M M Vanyukov, B S Maher, R L Slayton, M C Willing, S E Reis, D W McNeil, R J Crout, R J Weyant, S M Levy, A R Vieira, M L Marazita
Matrix metalloproteinases (MMPs), which degrade extracellular proteins as part of a variety of physiological processes, and their inhibitors have been implicated in the dental caries process. Here we investigated 28 genetic variants spanning the MMP10, MMP14, and MMP16 genes to detect association with dental caries experience in 13 age- and race-stratified (n = 3,587) samples from 6 parent studies. Analyses were performed separately for each sample, and results were combined across samples by meta-analysis...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28348595/in-vitro-comparative-evaluation-of-different-types-of-impression-trays-and-impression-materials-on-the-accuracy-of-open-tray-implant-impressions-a-pilot-study
#12
Sonam Gupta, Aparna Ichalangod Narayan, Dhanasekar Balakrishnan
Purpose. For a precise fit of multiple implant framework, having an accurate definitive cast is imperative. The present study evaluated dimensional accuracy of master casts obtained using different impression trays and materials with open tray impression technique. Materials and Methods. A machined aluminum reference model with four parallel implant analogues was fabricated. Forty implant level impressions were made. Eight groups (n = 5) were tested using impression materials (polyether and vinylsiloxanether) and four types of impression trays, two being custom (self-cure acrylic and light cure acrylic) and two being stock (plastic and metal)...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28348594/randomized-clinical-trial-of-a-self-adhering-flowable-composite-for-class-i-restorations-2-year-results
#13
J Sabbagh, S Dagher, N El Osta, P Souhaid
Objectives. To compare the clinical performances of a self-adhering resin composite and a conventional flowable composite with a self-etch bonding system on permanent molars. The influence of using rubber dam versus cotton roll isolation was also investigated. Materials and Methods. Patients aged between 6 and 12 years and presenting at least two permanent molars in need of small class I restorations were selected. Thirty-four pairs of restorations were randomly placed by the same operator. Fifteen patients were treated under rubber dam and nineteen using cotton rolls isolation and saliva ejector...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28348593/dental-anxiety-among-medical-and-paramedical-undergraduate-students-of-malaysia
#14
Shilpa Gunjal, Deepak Gowda Sadashivappa Pateel, Sujal Parkar
Aim. To assess the dental anxiety level among dental, medical, and pharmacy students of MAHSA University, Malaysia. Materials and Methods. A cross-sectional questionnaire study was conducted among 1500 undergraduate students of MAHSA University. The Modified Dental Anxiety Scale (MDAS) was used to measure dental anxiety among the study population. The responses were assessed by 5-point likert scale ranging from 1 to 5. The level of anxiety was categorized into lowly anxious (5-11), moderately anxious (12-18), and severely anxious ≥19...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28348592/polymorphisms-of-il-10-1082-and-rankl-438-genes-and-the-failure-of-dental-implants
#15
Rodrigo Ribeiro, Rayanne Melo, Pedro Tortamano Neto, André Vajgel, Paulo Roberto Eleutério Souza, Renata Cimões
Background. Genetic polymorphisms in certain cytokines and chemokines have been investigated to understand why some individuals display implant flaws despite having few risk factors at the time of implant. Purpose. To investigate the association of genetic polymorphisms in interleukin- (IL-) 10 [-1082 region (A/G)] and RANKL [-438 region (A/G)] with the failure of dental implants. Materials and Methods. This study included 90 partially edentulous male and female patients who were rehabilitated with a total of 245 Straumann dental implants...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28348591/microbiological-sealing-analysis-of-a-tapered-connection-and-external-hexagon-system
#16
Gardel Nepomuceno Costa, Elizabeth Ferreira Martinez, Aluísio Martins de Oliveira Ruellas, Daiane Cristina Peruzzo, Júlio Cesar Joly, Marcelo Henrique Napimoga
Considering the variety of implant connection systems available in the market and the contrasting literature regarding tapered connection systems in terms of bacterial leakage, the aim of this in vitro study was to compare the effectiveness of the bacterial seal at the implant/abutment interface between an external hexagon and a tapered connection system. Twelve sets of indexed tapered connection components and twelve sets of external hexagon connection components were used for microbiological analysis. In addition, for each model, an implant with its respective prosthetic abutment was used as a negative control and another as a positive control of microbial contamination...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28337218/effect-of-transplantation-of-bone-marrow-derived-mesenchymal-stem-cells-and-platelets-rich-plasma-on-experimental-model-of-radiation-induced-oral-mucosal-injury-in-albino-rats
#17
Basma Elsaadany, Samar El Kholy, Dalia El Rouby, Laila Rashed, Tarek Shouman
Normal tissue damage following radiotherapy is still a major problem in cancer treatment. Therefore, the current work aimed at exploring the possible role of systemically injected bone marrow derived mesenchymal stem cells (BM-MSCs) and/or locally injected platelet rich plasma (PRP) in ameliorating the side effects of ionizing radiation on the rat's tongue. Twelve rats served as control group (N) and 48 rats received a single radiation dose of 13 Gy to the head and neck region; then, they were equally divided into 4 experimental groups: irradiated only (C), irradiated + MSCs (S), irradiated + (PRP) (P), and combined group (PS)...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28326102/impacted-maxillary-canine-prevalence-and-its-association-with-other-dental-anomalies-in-a-mexican-population
#18
José Rubén Herrera-Atoche, María Del Rosario Agüayo-de-Pau, Mauricio Escoffié-Ramírez, Fernando Javier Aguilar-Ayala, Bertha Arelly Carrillo-Ávila, Marina Eduviges Rejón-Peraza
Objective. We quantified the prevalence of impacted maxillary canines (IMC) and their association with other dental anomalies (DAs). Materials and Methods. A retrospective study was done with 860 patients 12 to 39 years of age. The prevalence of IMC was calculated and compared by sex. The sample was divided into a control group and an impaction group, and the prevalence was calculated in both for a series of anomalies: agenesis, supernumerary teeth, shape anomalies of the upper laterals (microdontia, peg and barrel shape, and talon cusp), fusion, gemination, other impacted teeth, transposition, and amelogenesis imperfecta...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28321256/biochemical-and-clinical-assessments-of-segmental-maxillary-posterior-tooth-intrusion
#19
Jintana Tasanapanont, Tanapan Wattanachai, Janya Apisariyakul, Peraphan Pothacharoen, Siriwan Ongchai, Prachya Kongtawelert, Marit Midtbø, Dhirawat Jotikasthira
Objective. To compare chondroitin sulphate (CS) levels around maxillary second premolars, first molars, and second molars between the unloaded and the loaded periods and to measure the rates of intrusion of maxillary posterior teeth during segmental posterior tooth intrusion. Materials and Methods. In this prospective clinical study, 105 teeth (from 15 patients exhibiting anterior open bite and requiring maxillary posterior tooth intrusion) were studied. Competitive ELISA was used to detect CS levels. Dental casts (during the unloaded and loaded periods) were scanned, and posterior tooth intrusion distances were measured...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28316625/microbiological-study-of-cast-posts-before-cementation
#20
Maricela Vallejo-Labrada, Juan Carlos Ojeda-Garces
This study identifies the most common microorganisms present in type III gold cast posts related to pulpal disease and evaluates the sterilization/disinfection method before cementation in the root canal. Forty-five type III gold cast posts were aseptically collected in sterile sealed plastic bags and taken to the microbiology laboratory to carry out the study: fifteen cast posts had no treatment, fifteen were disinfected (immersion in 70% alcohol during 15 minutes), and fifteen were autoclaved at 121°C for 15 minutes by using saturated steam under 15 psi pressure...
2017: International Journal of Dentistry
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