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Journal of Dental Research, Dental Clinics, Dental Prospects

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https://www.readbyqxmd.com/read/28413600/screening-the-use-of-informed-consent-forms-prior-to-procedures-involving-operative-dentistry-ethical-aspects
#1
Livia Graziele Rodrigues, João Batista De Souza, Erica Miranda De Torres, Rhonan Ferreira Silva
Background. The present study aimed to screen the knowledge and attitudes of dentists toward the use of informed consent forms prior to procedures involving operative dentistry. Methods. A research tool containing questions (questionnaire) regarding the use of informed consent forms was developed. The questionnaire consisted of seven questions structured to screen the current practice in operative dentistry towards the use of informed consent forms. Results. The questionnaires were distributed among 731 dentists, of which 179 returned them with answers...
2017: Journal of Dental Research, Dental Clinics, Dental Prospects
https://www.readbyqxmd.com/read/28413599/rare-features-associated-with-mobius-syndrome-report-of-two-cases
#2
Rumela Ghosh, Vikram Shetty, Shruthi Hegde, G Subhas Babu, Vidya Ajila, Nanda Kishore P, Mithula Nair
Mobius syndrome is a rare congenital disorder with the preliminary diagnostic criteria of congenital facial and abducent nerve palsy. Involvement of other cranial nerves, too, is common. Prevalence rate of this syndrome is approximately 1 in 100,000 neonates. It is of unknown etiology with sporadic occurrence. However, data regarding the occurrence rate in India is limited. Features such as orofacial malformations, limb defects, and musculoskeletal, behavioral, and cognitive abnormalities might be associated...
2017: Journal of Dental Research, Dental Clinics, Dental Prospects
https://www.readbyqxmd.com/read/28413598/solitary-peripheral-ivory-osteoma-of-the-mandible-presenting-with-difficulty-in-deglutition-a-case-report
#3
Kumar Nilesh, Aaditee V Vande, Suresh K Veerabhadrappa
Osteomas are benign bone tumors which arise from the cortex or medulla of craniofacial and jaw bones. They are usually asymptomatic or present as slow-growing painless masses. Larger lesions may present with aesthetic (facial asymmetry) and functional disturbances (jaw deviation, difficulty in breathing, pain, and sensory deficits). This paper highlights a case of solitary peripheral osteoma composed of a compact bony mass arising from the lower border of the mandible in an adult female patient. The lesion presented with discomfort during deglutition, which was attributed to impingement of muscles of the oral cavity floor, including the anterior belly of digastric muscle...
2017: Journal of Dental Research, Dental Clinics, Dental Prospects
https://www.readbyqxmd.com/read/28413597/concurrent-manifestation-of-clinical-hypodontia-and-blindness-a-case-report
#4
Jeremiah Robert Moshy, Karpal Singh Sohal, Mark Chindia
A case is reported of a 26-year-old blind man with hypodontia and multiple apparently underdeveloped impacted teeth. The patient reported that he had progressively developed visual impairment at the age of 11 years whence he became totally blind when he turned 12 years. The aim of this report is to open an academic and professional debate on the challenges of its definitive diagnosis and appropriate intervention.Blindness is not reported in any of the previously described syndromes; therefore, concurrent manifestation of "hypodontia, blindness, failure of eruption and digital lesions" can be proposed as a syndrome...
2017: Journal of Dental Research, Dental Clinics, Dental Prospects
https://www.readbyqxmd.com/read/28413596/non-syndromic-multiple-supernumerary-premolars-clinicoradiographic-report-of-five-cases
#5
Renu Tanwar, Vipul Jaitly, Aadya Sharma, Rashmi Heralgi, Munish Ghangas, Ankur Bhagat
Hyperdontia or supernumerary teeth in both arches without any syndromic manifestation are extremely rare. Supernumerary teeth are commonly associated with Gardner's syndrome, cleft lip and palate, cleidocranial dysplasia and trichorhinopha-langeal syndrome. Five cases of non-syndromic multiple premolars of maxillary and mandibular arches in Indian patients are presented here. This case series reports three cases with multiple (9 in maximum), bilaterally impacted and erupted supernumerary teeth and two cases with supernumerary premolars in non-syndromic cases from Indian patients...
2017: Journal of Dental Research, Dental Clinics, Dental Prospects
https://www.readbyqxmd.com/read/28413595/effect-of-retreatment-on-the-push-out-bond-strength-of-mta-based-and-epoxy-resin-based-endodontic-sealers
#6
Hamidreza Yavari, Shahriar Shahi, Saeedeh Galledar, Mohammad Samiei, Maryam Janani
Background. Further studies on the adhesion properties of MTA-based materials seem necessary due to their growing use in endodontic treatment. This research aimed to assess the effect of retreatment on the bond strength of MTA-based (MTA Fillapex) and epoxy resin-based (AH Plus) sealers. Methods. ProTaper rotary files were applied to prepare the root canals of 80 human mandibular premolars. Then, the roots were randomly divided intotwo groups of A (n=40) and B (n=40), which were obturated with gutta-percha and MTA Filla-pex and AH Plus sealer, respectively...
2017: Journal of Dental Research, Dental Clinics, Dental Prospects
https://www.readbyqxmd.com/read/28413594/the-effect-of-repeated-preheating-of-dimethacrylate-and-silorane-based-composite-resins-on-marginal-gap-of-class-v-restorations
#7
Parnian Alizadeh Oskoee, Fatemeh Pournaghi Azar, Elmira Jafari Navimipour, Mohammad Esmaeel Ebrahimi Chaharom, Fereshteh Naser Alavi, Ashkan Salari
Background. One of the problems with composite resin restorations is gap formation at resin‒tooth interface. The present study evaluated the effect of preheating cycles of silorane- and dimethacrylate-based composite resins on gap formation at the gingival margins of Class V restorations. Methods. In this in vitro study, standard Class V cavities were prepared on the buccal surfaces of 48 bovine incisors. For restorative procedure, the samples were randomly divided into 2 groups based on the type of composite resin (group 1: di-methacrylate composite [Filtek Z250]; group 2: silorane composite [Filtek P90]) and each group was randomly divided into 2 subgroups based on the composite temperature (A: room temperature; B: after 40 preheating cycles up to 55°C)...
2017: Journal of Dental Research, Dental Clinics, Dental Prospects
https://www.readbyqxmd.com/read/28413593/comparison-of-bracket-bond-strength-to-etched-and-unetched-enamel-under-dry-and-wet-conditions-using-fuji-ortho-lc-glass-ionomer
#8
Masoud Feizbakhsh, Farzin Aslani, Naghme Gharizadeh, Mojtaba Heidarizadeh
Background. Acid etching prior to orthodontic bracket bonding may result in enamel wear or cracks following bracket removal. The manufacturer of Fuji Ortho LC glass-ionomer (GI) claims that it can bond brackets to wet unetched enamel. This study aimed to compare the bracket bond strength to etched and unetched enamel under dry and wet conditions. Methods. In this in vitro study, 60 intact premolar teeth were randomly assigned to 6 groups (etched and dried, etched and moistened with distilled water, etched and moistened with saliva, unetched and dried, unetched and moistened with water, unetched and moistened with saliva)...
2017: Journal of Dental Research, Dental Clinics, Dental Prospects
https://www.readbyqxmd.com/read/28413592/marginal-bone-loss-around-platform-switched-and-non-platform-switched-implants-after-two-years-of-placement-a-clinical-trial
#9
Ali Zarandi, Maryam Novin
Background. The present study was conducted to investigate the marginal bone loss around two different types of implant‒abutment junctions, called platform-switched (Implantium system) and non-platform switched (XiVE system) after two years of loading. Methods. Sixty-four implants in 49 patients were included in the study. The implants were placed in the posterior mandibular region according to the relevant protocols. The extent of bone loss around the implants was measured and compared after 24 months, using digital parallel periapical radiographs...
2017: Journal of Dental Research, Dental Clinics, Dental Prospects
https://www.readbyqxmd.com/read/28413591/comparative-evaluation-of-efficacy-of-subgingivally-delivered-1-2-atorvastatin-and-1-2-simvastatin-in-the-treatment-of-intrabony-defects-in-chronic-periodontitis-a-randomized-controlled-trial
#10
Santosh S Martande, Minal Kumari, A R Pradeep, Sonender Pal Singh, Deepak Kumar Suke
Background. Statins are the recently evolved agents that aid in periodontal regeneration and ultimately in attaining periodontal health. Atorvastatin (ATV) and Simvastatin (SMV) are specific competitive inhibitors of 3-hydroxy-2-methyl-glutaryl coenzyme A reductase. The current study was conducted to compare the effectiveness of 1.2% ATV and 1.2% SMV, in addition to scaling and root planing (SRP), in the treatment of intrabony defects in subjects with chronic periodontitis. Methods. Ninety-six individuals were categorized into three treatment groups: SRP plus 1...
2017: Journal of Dental Research, Dental Clinics, Dental Prospects
https://www.readbyqxmd.com/read/28413590/effect-of-nano-hydroxyapatite-toothpaste-on-microhardness-ofartificial-carious-lesions-created-on-extracted-teeth
#11
Asghar Ebadifar, Mohammad Nomani, Sayed Ali Fatemi
Background. Many types of toothpastes contain substances that can remineralize initial enamel caries. This study aimed to assess the effect of nano-hydroxyapatite (NHA) on microhardness of artificially created carious lesions. Methods. In this in vitro study, NHA was prepared using sol-gel technique and added to the toothpaste with 7% concentration. A total of 80 extracted sound teeth were collected. The crowns were polished using 500-grit abrasive paper. The specimens were randomly coded from 1 to 80. Number 1 to 40 were assigned to group A and numbers 41 to 80 to group B...
2017: Journal of Dental Research, Dental Clinics, Dental Prospects
https://www.readbyqxmd.com/read/28413589/the-color-masking-ability-of-a-zirconia-ceramic-on-the-substrates-with-different-values
#12
Farhad Tabatabaian, Mahdiye Javadi Sharif, Farhood Massoumi, Mahshid Namdari
Background. The color masking ability of a restoration plays a significant role in coveringa discolored substructure; however, this optical property of zirconia ceramics has not been clearly determined yet. The aim of this in vitro study was to evaluate the color masking ability of a zirconia ceramic on substrates with different values. Methods. Ten zirconia disk specimens,0.5 mm in thickness and 10 mm in diameter, were fabricated by a CAD/CAM system. Four substrates with different values were prepared, including: white (control), light grey, dark grey, and black...
2017: Journal of Dental Research, Dental Clinics, Dental Prospects
https://www.readbyqxmd.com/read/28413588/relative-biocompatibility-of-micro-hybrid-and-nano-hybrid-light-activated-composite-resins
#13
Abiodun Olabisi Arigbede, Bukola Folasade Adeyemi, Omowumi Femi-Akinlosotu
Background. In vitro studies have revealed a direct association between resin content and cytotoxicity of composite resins; however, implantation studies in this regard are sparse. This study investigates the relationship between filler content of composite resins and biocompatibility. Methods. This research employed twelve 180‒200-gr male Wistar rats, 1 nano-hybrid (Prime-Dent Inc.) and 1 micro-hybrid (Medental Inc.) composite resins containing 74% and 80‒90% filler content, respectively. The samples were assessed on the 2nd, 14th and 90th day of implantation...
2017: Journal of Dental Research, Dental Clinics, Dental Prospects
https://www.readbyqxmd.com/read/28096956/erratum-to-effect-of-non-surgical-periodontal-treatment-on-transferrin-serum-levels-in-patients-with-chronic-periodontitis
#14
Adileh Shirmohammadi, Mohamad Taghi Chitsazi, Masoumeh Faramarzi, Ashkan Salari, Fereshteh Naser Alavi, Nazila Pashazadeh
[This corrects the article DOI: 10.15171/joddd.2016.027.].
2016: Journal of Dental Research, Dental Clinics, Dental Prospects
https://www.readbyqxmd.com/read/28096955/environmental-and-perceived-stress-in-australian-dental-undergraduates-preliminary-outcomes
#15
Shannon Astill, Nikelle Ricketts, Love-Amrit Singh, Dylan Kurtz, Yong Hoon Gim, Boyen Huang
Background. Dental students have reported a high prevalence of psychological stress and the causes are associated with the challenging dental environmental and demographic factors. This study aimed to conduct a preliminary investigation on dental students' stress status, using a sample of first-to-third-year Bachelor of Dental Surgery students in an Australian university. Special interests included causes of dental environmental stress and access to help services. Methods. A sample of 145 students was surveyed with a modified Dental Environmental Survey and Depression Anxiety Stress Scale in 2014...
2016: Journal of Dental Research, Dental Clinics, Dental Prospects
https://www.readbyqxmd.com/read/28096954/hiv-stigma-perceptions-from-hiv-positive-and-hiv-negative-patients-in-a-community-dental-clinic
#16
Steven Toth, Jill A York, Nicholas DePinto
Background. In the medical sense, stigma has been defined as the collection of negative attitudes and beliefs that are directed at people living with a particular condition or disease process. A cohort study was conducted to explore the HIV stigma that is perceived by HIV-positive individuals versus that perceived by the general population within a community-based dental clinic. Methods. Two separate and independent cross-sectional surveys, the Berger Stigma Scale and the Rutgers-Modified Berger Stigma Scale, were employed in order to analyze the stigma factors of an HIV-positive population versus an HIV-negative general population, respectively...
2016: Journal of Dental Research, Dental Clinics, Dental Prospects
https://www.readbyqxmd.com/read/28096953/determining-the-distance-from-the-lingual-frenum-anterior-attachment-to-the-lower-incisors-incisal-edges
#17
Farhang Mahboub, Soodabeh Kimyai, Elahe Molavi
Background. Occlusal rims are used to determine the jaw relationships in the transverse and vertical dimensions and estimate the inter-occlusal distance in edentulous patients. It is important to find ways to determine the height and shape of the occlusal rims correctly. This study was undertaken to determine the exact distance from the oral cavity floor to the incisal edges of mandibular incisors to serve as a guide for adjusting the height of the mandibular occlusal rim. Methods. Forty patients were selected and special trays were fabricated to prepare accurate stone casts on which the measurements were made at 0...
2016: Journal of Dental Research, Dental Clinics, Dental Prospects
https://www.readbyqxmd.com/read/28096952/the-effect-of-irrigating-solutions-on-the-apical-sealing-ability-of-mta-fillapex-and-adseal-root-canal-sealers
#18
Richa Singh, Shankarappa Pushpa, Doraiswamy Arunagiri, Asheesh Sawhny, Abhinav Misra, Ramamurthy Sujatha
Background. Maximum sealing ability or adhesion of endodontic sealers can be achieved after effective removal of the smear layer. Endodontic irrigants assist in adequate removal of the smear layer, improving the retention mechanism. The aim of this study was to evaluate the effect of two different root canal irrigation solutions (5.25% NaOCl followed by 17% EDTA and QMix) on the apical sealing ability of two different root canal sealers (MTA Fillapex and Adseal). Methods. Forty-six single-canal teeth were divided into 4 experimental groups of 10 teeth each and a positive and negative group of 3 teeth each...
2016: Journal of Dental Research, Dental Clinics, Dental Prospects
https://www.readbyqxmd.com/read/28096951/evaluation-of-changes-in-anthropometric-indexes-due-to-intermaxillary-fixation-following-facial-fractures
#19
Javad Yazdani, Saeed Hajizadeh, Mohammad Ali Ghavimi, Bahram Pourghasem Gargari, Amin Nourizadeh, Yousef Kananizadeh
Background. One of the treatment modalities for facial fractures is closed reduction technique, but treatment with intermaxillary fixation (IMF) interferes with normal nutrition, and malnutrition can affect the patient's recovery. Anthropometric measurements such as skinfold thickness and body mass index (BMI) are universal indexes for diagnosing malnutrition. Therefore, in this study we explain how treatment with IMF changes the anthropometric indexes. Methods. In this study 60 patients were treated with 4 weeks of IMF...
2016: Journal of Dental Research, Dental Clinics, Dental Prospects
https://www.readbyqxmd.com/read/28096950/evaluation-of-mast-cell-counts-and-microvessel-density-in-reactive-lesions-of-the-oral-cavity
#20
Maryam Kouhsoltani, Monir Moradzadeh Khiavi, Shabnam Tahamtan
Background. Reliable immunohistochemical assays to assess the definitive role of mast cells (MCs) and angiogenesis in the pathogenesis of oral reactive lesions are generally not available. The aim of the present study was to evaluate mast cell counts (MCC) and microvessel density (MVD) in oral reactive lesions and determine the correlation between MCC and MVD. Methods. Seventy-five cases of reactive lesions of the oral cavity, including pyogenic granuloma, fibroma, peripheral giant cell granuloma, inflammatory fibrous hyperplasia, peripheral ossifying fibroma (15 for each category) were immunohisto-chemically stained with MC tryptase and CD31...
2016: Journal of Dental Research, Dental Clinics, Dental Prospects
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