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International Journal of Dentistry

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https://www.readbyqxmd.com/read/28642792/infection-control-measures-in-private-dental-clinics-in-lebanon
#1
Jihad Dagher, Charles Sfeir, Ahmad Abdallah, Zeina Majzoub
PURPOSE: Evaluate infection control knowledge, attitude, and practice in Lebanese private dental clinics. MATERIALS AND METHODS: A survey including 46 questions related to routine safety procedures was sent to 1150 Lebanese dentists between July 1st and 2nd, 2015. The study sample was selected from the database of registered dentists based on a proportional random sampling ensuring equitable representation of the 5 geographic regions of Lebanon. A subset of 29 questions was used to generate an overall score of compliance (excellent, good, fair, and poor)...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28638411/regular-dental-visits-influence-on-health-related-quality-of-life-in-1-607-patients-with-oral-squamous-cell-carcinoma
#2
Simon Spalthoff, Henrik Holtmann, Gertrud Krüskemper, Rüdiger Zimmerer, Jörg Handschel, Nils-Claudius Gellrich, Philipp Jehn
BACKGROUND: The incidence of oral squamous cell carcinoma (OSCC) is in the top 10 of all cancer entities. Regular oral examinations by dentists play an important role in oral cancer prevention. METHODS: Patients with OSCC (n = 1,607) and physicians (n = 1,489) completed questionnaires during the DÖSAK Rehab Study. The psychosocial and functional factors collected in these questionnaires were assessed in the present study. We compared patients who visited their dentist at least once a year (group A) with those who visited their dentist less than once a year (group B)...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28638410/low-survival-rates-of-oral-and-oropharyngeal-squamous-cell-carcinoma
#3
Anna Carolina Omena Vasconcellos Le Campion, Camila Maria Beder Ribeiro, Ronir Raggio Luiz, Francisco Feliciano da Silva Júnior, Herbert Charles Silva Barros, Karine de Cássia Batista Dos Santos, Stefania Jeronimo Ferreira, Lucio Souza Gonçalves, Sonia Maria Soares Ferreira
AIM: To assess the epidemiological and clinical factors that influence the prognosis of oral and oropharyngeal squamous cell carcinoma (SCC). METHODS: One hundred and twenty-one cases of oral and oropharyngeal SCC were selected. The survival curves for each variable were estimated using the Kaplan-Meier method. The Cox regression model was applied to assess the effect of the variables on survival. RESULTS: Cancers at an advanced stage were observed in 103 patients (85...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28634492/effectiveness-of-different-preventive-programs-in-cariogram-parameters-of-young-adults-at-high-caries-risk
#4
Said Karabekiroğlu, Nimet Ünlü
OBJECTIVE: To evaluate the effectiveness of different preventive programs in young adults at high caries risk using Cariogram software. METHODS: Sixty-six young adults with high caries risk were evaluated. Dental caries risk for all subjects was determined according to WHO criteria. Subjects were divided into three different preventive groups (control: OH, fluoride varnish: FV, and chlorhexidine varnish: CV). They were followed for 12 weeks (baseline: T0, 1 week: T1, 4 weeks: T2, and 12 weeks: T3)...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28630624/evaluation-of-the-loading-unloading-and-permanent-deformation-of-newly-available-epoxy-resin-coated-ni-ti-wires-using-self-ligating-brackets
#5
Hazel Garro-Piña, María Cristina Jiménez-Cervantes, Ricardo Ondarza-Rovira, Roberto Justus, Salvador García-López
AIM: The purpose of this study was to evaluate the load and unload deflection and permanent deformation of round 0.016'' and rectangular 0.016'' × 0.022'' regular and coated Ni-Ti wires. MATERIALS AND METHODS: Ni-Ti archwires produced by two manufacturers were evaluated. Both regular and coated round and rectangular Ni-Ti wire segments (n = 15) from each group were submitted to a three-point bending test. Both types of wires were evaluated for permanent deformation at the end of a recovery cycle...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28611844/immediate-loading-of-single-implants-in-the-anterior-maxilla-a-1-year-prospective-clinical-study-on-34-patients
#6
Miguel Stanley, Filipa Calheiros Braga, Beatriz Mota Jordao
PURPOSE: To present the outcomes of immediately loaded single implants placed in the anterior maxilla. METHODS: Over a 2-year period, all patients referred to a private clinic were considered for enrolment in this study. Inclusion criteria were single-tooth placement in postextraction sockets or healed sites of the anterior maxilla. All implants were immediately loaded and followed for a period of 1 year after the placement of definitive crowns. The outcome measures were implant stability, survival, and success...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28611843/effect-of-artificial-aging-protocols-on-surface-gloss-of-resin-composites
#7
Rafael Santos Rocha, Amanda Carvalho Oliveira, Taciana Marco Ferraz Caneppele, Eduardo Bresciani
The purpose of this study was to evaluate the effect of aging protocols on surface gloss of composites. Cylindrical resin composite specimens (6 mm in diameter, 1 mm thick) were fabricated and divided into three groups (N = 60): microfilled (MiFi), nanohybrid (NaHy), and nanofilled (NaFi). Specimens were distributed into four aging subgroups: thermocycling (5° to 55°C, 15,000 cycles); ethanol immersion (15 days); brushing (10,750 cycles); and light aging (216 h). Surface gloss readings (Novo-Curve, Rhopoint TM, England) were performed at baseline (R0) and after every one-third of aging protocols (R1 to R3)...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28607556/factors-affecting-the-periapical-status-of-root-filled-canals-a-cross-sectional-study-at-the-undergraduate-level
#8
George Moreira Costa, Suelleng Maria Santos Soares, Paula Cristina Pelli Paiva, Flaviana Dornela Verli, Patrícia Furtado Gonçalves, Sangela Maria da Silva Pereira, Rudys Rodolfo De Jesus Tavarez, Janir Alves Soares, Etevaldo Matos Maia Filho
OBJECTIVE: The aim was to evaluate the influence of multiple factors on the periapical status of endodontically treated (ET) teeth. METHODS: The patients were clinically and radiographically reevaluated after root canal therapy. The quality of the root-filled canals, coronal restorations, intraradicular posts, dental caries, and periodontal parameters were associated with the teeth's periapical status. RESULTS: The 122 patients provided 154 ET teeth; 97...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28607555/an-observational-cohort-study-on-delayed-onset-infections-after-mandibular-third-molar-extractions
#9
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/28592970/lps-from-p-gingivalis-negatively-alters-gingival-cell-mitochondrial-bioenergetics
#10
Kiran Napa, Andrea C Baeder, Jeffrey E Witt, Sarah T Rayburn, Madison G Miller, Blake W Dallon, Jonathan L Gibbs, Shalene H Wilcox, Duane R Winden, Jared H Smith, Paul R Reynolds, Benjamin T Bikman
OBJECTIVE: Oral inflammatory pathologies are linked to increased oxidative stress, thereby partly explaining their relevance in the etiology of systemic disorders. The purpose of this work was to determine the degree to which LPS from Porphyromonas gingivalis, the primary pathogen related to oral inflammation, altered gingival mitochondrial function and reactive oxygen species generation. METHODS: Human gingival fibroblast (HGF-1) cells were treated with lipopolysaccharide of P...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28588616/a-comparison-of-impact-of-chronic-periodontal-diseases-and-nonsurgical-periodontal-therapy-on-oral-health-related-quality-of-life
#11
Khushboo Goel, Dharnidhar Baral
OBJECTIVES: To evaluate the impact of chronic periodontal diseases (PDs) and compare phases of nonsurgical periodontal therapy (NSPT) on oral health-related quality of life (OHRQoL) in patients attending a tertiary care center of eastern Nepal. MATERIALS AND METHODS: Matched for socioeconomic status, participants were recruited in two groups: moderate-to-severe chronic periodontitis (n = 24, 43 ± 46 years) and chronic gingivitis (n = 25, 30 ± 96 years). The treatment modalities were scaling and root surface debridement (RSD) and supragingival scaling, respectively...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28572822/correlation-of-salivary-statherin-and-calcium-levels-with-dental-calculus-formation-a-preliminary-study
#12
Deepak Gowda Sadashivappa Pateel, Shilpa Gunjal, Swarna Y Math, Devarasa Giriyapura Murugeshappa, Sreejith Muraleedharan Nair
BACKGROUND: Salivary constituents have a wide range of functions including oral calcium homeostasis. Salivary proteins such as statherin inhibit crystal growth of calcium phosphate in supersaturated solutions and interact with several oral bacteria to adsorb on hydroxyapatite. Concurrently, saliva, which is supersaturated with respect to calcium phosphates, is the driving force for plaque mineralization and formation of calculus. Thus, the aim of the present study was to estimate and correlate salivary statherin and calcium concentration to the dental calculus formation...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28567055/surface-characteristics-and-biofilm-development-on-selected-dental-ceramic-materials
#13
Kyoung H Kim, Carolina Loch, J Neil Waddell, Geoffrey Tompkins, Donald Schwass
BACKGROUND: Intraoral adjustment and polishing of dental ceramics often affect their surface characteristics, promoting increased roughness and consequent biofilm growth. This study correlated surface roughness to biofilm development with four commercially available ceramic materials. METHODS: Four ceramic materials (Vita Enamic®, Lava™ Ultimate, Vitablocs Mark II, and Wieland Reflex®) were prepared as per manufacturer instructions. Seventeen specimens of each material were adjusted and polished to simulate clinical intraoral procedures and another seventeen remained unaltered...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28555157/accuracy-evaluation-of-a-stereolithographic-surgical-template-for-dental-implant-insertion-using-3d-superimposition-protocol
#14
Corina Marilena Cristache, Silviu Gurbanescu
THE AIM: of this study was to evaluate the accuracy of a stereolithographic template, with sleeve structure incorporated into the design, for computer-guided dental implant insertion in partially edentulous patients. MATERIALS AND METHODS: Sixty-five implants were placed in twenty-five consecutive patients with a stereolithographic surgical template. After surgery, digital impression was taken and 3D inaccuracy of implants position at entry point, apex, and angle deviation was measured using an inspection tool software...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28539937/chlorhexidine-prevents-root-dentine-mineral-loss-and-fracture-caused-by-calcium-hydroxide-over-time
#15
Michael Ranniery Garcia Ribeiro, Érika Bárbara Abreu Fonseca Thomaz, Darlon Martins Lima, Tarcísio Jorge Leitão, José Bauer, Soraia De Fátima Carvalho Souza
Purpose. To evaluate the mineral ion loss of root dentine after treatment with 2% chlorhexidine solution (CHX) and to compare its yield and flexural strength (fs) after exposure to calcium hydroxide [Ca(OH)2]. Materials and Methods. Dentine bars (DB) were made from 90 roots of bovine incisors and randomized into three groups: GControl: distilled/deionized water (DDW), GNaOCl: 2.5% sodium hypochlorite + 17% EDTA, and GCHX: CHX + DDW. The release of phosphate (PO4) and calcium (Ca) ions was measured by spectrophotometry...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28529526/genetic-factors-and-the-risk-of-periodontitis-development-findings-from-a-systematic-review-composed-of-13-studies-of-meta-analysis-with-71-531-participants
#16
REVIEW
Maélson Klever da Silva, Antonio Carlos Gonçalves de Carvalho, Even Herlany Pereira Alves, Felipe Rodolfo Pereira da Silva, Larissa Dos Santos Pessoa, Daniel Fernando Pereira Vasconcelos
Purpose. This work aimed to synthesize the results of recent meta-analysis focusing on polymorphism in inflammatory mediators and its relation with the risk of periodontitis development. Materials and Methods. A systematic search was conducted using databases for publications prior to October 2016. Three examiners extracted data from articles with a clear association between polymorphisms in the inflammatory mediator gene and the development of periodontitis through meta-analysis using the fixed or randomized statistical models to calculate the Odds Ratio with values of P < 0...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28487739/food-simulating-organic-solvents-for-evaluating-crosslink-density-of-bulk-fill-composite-resin
#17
Neveen M Ayad, Hala A Bahgat, Eman Hussain Al Kaba, Maryam Hussain Buholayka
Objectives. To evaluate crosslink densities of two bulk fill composite resins and determine if the used Food Simulating Organic Solvent (FSOS) affected them. Methods. Forty specimens were prepared from SureFill and SonicFill bulk fill composite resins, 20 each. All specimens were stored dry for 24 h. Each group was divided into 2 subgroups: stored in ethanol (E) 75% or in methyl ethyl ketone (MEK) 100% for 24 h. Crosslink density was evaluated by calculating the difference between the Vickers hardness numbers of the specimens stored dry and after their storage in FSOS...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28487738/comparative-assessment-of-preoperative-versus-postoperative-dexamethasone-on-postoperative-complications-following-lower-third-molar-surgical-extraction
#18
Hashem M Al-Shamiri, Maha Shawky, Nermin Hassanein
Aim. To evaluate the effect of preoperative versus postoperative administration of oral Dexamethasone on postoperative complications including pain, edema, and trismus following lower third molar surgery. Methods. 24 patients were divided into two equal groups receiving 8 mg Dexamethasone orally, one group one hour preoperatively and the other group immediately after surgery. Pain was measured using VAS, edema was measured using a graduated tape between 4 fixed points in the face, and the mouth opening was measured using a graduated sliding caliper...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28484493/characterization-of-chronic-mechanical-irritation-in-oral-cancer
#19
Jerónimo P Lazos, Eduardo D Piemonte, Hector Eduardo Lanfranchi, Mabel N Brunotto
Objective. Oral mucosa could host many lesions originated by chronic mechanical irritation (CMI) from teeth or dentures, and it has been proposed as risk factor for oral cancer. Nevertheless, the features of CMI factors in oral cancer and other lesions are not assessed. The aim of this study is to describe CMI features regarding type (dental, prosthetic, and/or functional), localization, and time span. Materials and Methods. Three groups were studied in this cross-sectional study: Oral Cancer (OC); Chronic Traumatic Ulcer (CTU); and Benign Irritative Mechanical Lesions (BIML)...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28479918/bovine-tooth-discoloration-induced-by-endodontic-filling-materials-for-primary-teeth
#20
Samantha Rodrigues Xavier, Katerine Jahnecke Pilownic, Andressa Heberle Gastmann, Mariana Silveira Echeverria, Ana Regina Romano, Fernanda Geraldo Pappen
Objective. This study evaluated the discoloration potential of endodontic materials used in primary teeth. Material and Methods. Dentine-enamel blocks were prepared from 75 bovine teeth, assorted in five experimental groups (n = 15). The tested materials included an MTA-based material; zinc oxide and eugenol cement (ZOE); Vitapex; and calcium hydroxide thickened with zinc oxide (Calen + ZO). The color measurements were performed using a spectrophotometer at the following intervals: prior to (T0) and after placement of the filling (T1) and after 1 week (T2), 1 month (T3), 3 months (T4), 6 months (T5), and 9 months (T6)...
2017: International Journal of Dentistry
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