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Dental Research Journal

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https://www.readbyqxmd.com/read/29109753/agenesis-of-permanent-canines-rare-case-report
#1
Sumit Kumar Yadav, Achla Bharti Yadav, Neal Bharat Kedia, Abhinav Kumar Singh
Agenesis of permanent canines is a rare condition, and that of both maxillary and mandibular permanent canines is extremely rare. It may occur either isolated or in association with other dental anomalies. Reports of such cases are very scarce in the literature. Need for early diagnosis of such conditions should be emphasized because of functional, esthetic, and psychological problems which should be evaluated and treated appropriately. The present paper presents a report of bilaterally missing permanent maxillary and mandibular canines...
September 2017: Dental Research Journal
https://www.readbyqxmd.com/read/29109752/management-of-exaggerated-gag-reflex-in-dental-patients-using-intravenous-sedation-with-dexmedetomidine
#2
Aleksei P Reshetnikov, Anton A Kasatkin, Aleksandr L Urakov, Dmitrii Y Baimurzin
Pharmacological sedation is one of the effective ways of prevention of gag reflex development in patients experiencing anxiety and fright before dental treatment. We are reporting a case where we could successfully eliminate exaggerated gag reflex (intravenous [IV] Gagging Severity Index) in a dental patient using IV sedation with dexmedetomidine. IV administration of dexmedetomidine provided elimination of gag reflex at a depth of sedation for the patient with the Richmond Agitation-Sedation Scale score of -2 and -1...
September 2017: Dental Research Journal
https://www.readbyqxmd.com/read/29109751/the-relation-of-preoperative-stress-and-anxiety-on-patients-satisfaction-after-implant-placement
#3
Houman Khorshidi, Fatemeh Lavaee, Janan Ghapanchi, Ali Golkari, Sara Kholousi
Background: There are some factors which can affect preoperative patient anxiety such as the necessity of procedure, postoperative pain, and patient's conception of his body image. The aim of this study was to assess the relation of patients' preoperative anxiety and postoperative patients' satisfaction in dental implant surgery. Materials and Methods: Dental implants were placed in 40 patients (19 male and 21 female) who were referred to Dental Implant Surgery Department in Imam Reza clinic, during March-December of 2014 in Shiraz...
September 2017: Dental Research Journal
https://www.readbyqxmd.com/read/29109750/microbial-microleakage-assessment-of-class-v-cavities-restored-with-different-materials-and-techniques-a-laboratory-study
#4
Hossein Nematollahi, Ali Bagherian, Kiarash Ghazvini, Habibollah Esmaily, Mina Azadegan Mehr
Background: The aim of this study was to compare microbial microleakage of class V cavities restored with different materials and techniques using a microbial leakage assessment method. Materials and Methods: One hundred extracted, caries-free, human maxillary premolars were randomly divided into five groups. Group 1: Resin-modified glass ionomer (RMGI), Group 2: Closed sandwich with flowable composite + nanohybrid composite, Group 3: Nanohybrid composite, Group 4: Closed sandwich with RMGI + nanohybrid composite, and Group 5: Flowable composite + nanohybrid composite that were co-cured together ("snow-plow" technique)...
September 2017: Dental Research Journal
https://www.readbyqxmd.com/read/29109749/push-out-bond-strength-of-different-intracanal-posts-in-the-anterior-primary-teeth-according-to-root-canal-filling-materials
#5
Nilgoon Pasdar, Bahman Seraj, Mostafa Fatemi, Shirin Taravati
Background: This study was carried out to evaluate the effect of root canal filling on the bond strength of three intracanal posts in the primary incisors. Materials and Methods: Sixty primary incisors were prepared and then divided into two groups (n = 30). The first group canals obturated with zinc oxide eugenol (ZOE) and Group 2 canals obturated with Metapex. Further, the two group categories were divided into three subgroups (n = 10): (1) short composite post (SCP), (2) glass fiber posts (GFPs) cemented with flowable composite, and (3) GFP with glass ionomer cement (GFP + GIC)...
September 2017: Dental Research Journal
https://www.readbyqxmd.com/read/29109748/do-increased-drilling-speed-and-depth-affect-bone-viability-at-implant-site
#6
Reza Tabrizi, Ali Dehghani Nazhvanai, Mohammad Mahdi Farahmand, Sara Yasour Pourali, Sepanta Hosseinpour
Background: The aim of this study was to assess the effect of increasing the drilling speed and depth during implant site preparation on bone viability. Materials and Methods: In this prospective cohort study, participants were divided into four groups based on the speed and depth of drilling at the first molar site in the mandible. Participants underwent drilling at Group 1: 1000 rpm and 10 mm depth, Group 2: 1500 rpm and 10 mm, Group 3: 1000 rpm and 13 mm, and Group 4: 1500 rpm and 13 mm...
September 2017: Dental Research Journal
https://www.readbyqxmd.com/read/29109747/effect-of-finishing-polishing-techniques-and-time-on-surface-roughness-of-esthetic-restorative-materials
#7
Prashanthi Sampath Madhyastha, Shreya Hegde, N Srikant, Ravindra Kotian, Srividhya Sriraman Iyer
Background: Surface roughness associated with improper finishing/polishing of restorations can result in plaque accumulation, gingival irritation, surface staining, and poor esthetic of restored teeth. The study aimed to evaluate the efficiency of various finishing and polishing systems and time using various procedures on surface roughness of some esthetic restorative materials. Materials and Methods: In this in vitro study, samples of two composite materials, compomer and glass ionomer cement (GIC) materials, were fabricated...
September 2017: Dental Research Journal
https://www.readbyqxmd.com/read/29109746/comparative-evaluation-of-root-canal-morphology-of-mandibular-premolars-using-clearing-and-cone-beam-computed-tomography
#8
Abbasali Khademi, Mojdeh Mehdizadeh, Maryam Sanei, Hamidreza Sadeqnejad, Saber Khazaei
Background: Different techniques are used to evaluate the anatomy of root canal system. The present study was aimed to evaluate the root canal morphology of mandibular premolars using clearing and cone beam computed tomography (CBCT) techniques. Materials and Methods: A total of 182 mandibular first and second premolars were evaluated in vitro using 100 μm CBCT cross sections. The root canal morphology of the teeth was determined based on Vertucci classification in relation to the prevalence of C-shaped canals, lateral canals, and furcation location...
September 2017: Dental Research Journal
https://www.readbyqxmd.com/read/29109745/evaluation-of-myofibroblasts-in-oral-submucous-fibrosis-and-oral-squamous-cell-carcinoma-the-pathogenesis-and-correlation
#9
Piyush Gandhi, Umesh Chandra Prasad
Background: Oral submucous fibrosis (OSMF) is a chronic debilitating disease of the oral cavity having premalignant potential and unclear pathogenesis. Recently, myofibroblast has been postulated to play an important role in its pathogenesis and in the process of carcinogenesis. The purpose of this study was to evaluate and compare the presence of myofibroblasts in normal mucosa, different grades of OSMF, and oral squamous cell carcinoma (OSCC). Materials and Methods: The present in vitro cross-sectional descriptive study sample consisted of three groups, including 40 OSCCs, 40 OSMF, and 10 sections of normal oral epithelium taken as control group...
September 2017: Dental Research Journal
https://www.readbyqxmd.com/read/29109744/selective-nitric-oxide-synthase-inhibitor-promotes-bone-healing
#10
Ali Reza Farhad, Sayed Mohammad Razavi, Ali Reza Rozati, Neda Shekarchizade, Maziar Manshaei
Background: Nitric oxide (NO) has many functions in wound healing and bone metabolism. This study sought to assess the local effect of aminoguanidine (AG), a selective inducible NO synthase (iNOS) inhibitor, on the rate of bone healing. Materials and Methods: This experimental interventional study was conducted on 36 rats, which were randomly divided into three groups of control, placebo, and AG. Bone defects measuring 5 mm × 5 mm were created in the femur. In control group, bone defects remained empty...
September 2017: Dental Research Journal
https://www.readbyqxmd.com/read/29109743/the-clinical-and-metabolic-effects-of-subgingival-application-of-xanthan-based-chlorhexidine-gel-in-type-2-diabetic-patients-with-chronic-periodontitis
#11
Masoumeh Faramarzi, Adileh Shirmohammadi, Mohammadtaghi Chitsazi, Mehrnoosh Sadighi Shamami, Sahand Ghanitab
Background: There is a two-way relationship between periodontal disease and diabetes. The purpose of this study was to evaluate the clinical and metabolic effects of a xanthan-based chlorhexidine (CHX) gel used as an adjunct to nonsurgical periodontal therapy in Type II diabetic patients with chronic periodontitis. Materials and Methods: Sixty-eight diabetic patients with moderate to advanced periodontitis and glycated hemoglobin (HbA1c) ≥6% were selected. The test group (n = 34) received scaling and root planning (SRP) plus xanthan-based CHX gel...
September 2017: Dental Research Journal
https://www.readbyqxmd.com/read/28928786/new-definition-proposed-for-oral-leukoplakia
#12
Vagish Kumar L Shanbhag
No abstract text is available yet for this article.
July 2017: Dental Research Journal
https://www.readbyqxmd.com/read/28928785/a-unique-case-of-clear-cell-variant-of-calcifying-epithelial-odontogenic-tumor-involving-the-maxilla
#13
Rudra Prasad Chatterjee, Swagata Gayen, Sanchita Kundu, Moumita Chattaraj, Mousumi Pal, Sanjeet Das
Calcifying epithelial odontogenic tumor (CEOT) is a rare, benign, odontogenic tumor arising from the odontogenic epithelium and accounts for approximately 1% of all odontogenic tumors. Clear cell variant of CEOT is a distinct entity and has more aggressive biological behavior and higher chances of recurrence. Here, we present a unique case of clear cell variant of CEOT involving the left side of the maxillary alveolus in a 73-year-old female patient with thorough clinical, radiological, and histological details...
July 2017: Dental Research Journal
https://www.readbyqxmd.com/read/28928784/association-of-stress-salivary-cortisol-level-and-periodontitis-among-the-inmates-of-a-central-prison-in-kerala
#14
Angel Fenol, Susan Jebi, Sajitha Krishnan, Jayachandran Perayil, Rajesh Vyloppillil, Anuradha Bhaskar, Sai Megha Menon, Ashitha Mohandas
BACKGROUND: The aim of this cross-sectional study was to evaluate the association between stress, salivary cortisol, and periodontitis among the inmates of the central prison. MATERIALS AND METHODS: Seventy inmates were grouped depending on their pocket depth into Group A (pocket depth >4 mm and <6 mm), Group B (at least four sites with pocket depth ≥6 mm), and Group C (pocket depth ≤3 mm). The clinical parameters such as the oral hygiene index-simplified, gingival index, pocket depth, and the clinical attachment levels (CALs) were recorded...
July 2017: Dental Research Journal
https://www.readbyqxmd.com/read/28928783/assessment-of-the-hardness-of-different-orthodontic-wires-and-brackets-produced-by-metal-injection-molding-and-conventional-methods
#15
Shiva Alavi, Marzie Kachuie
BACKGROUND: This study was conducted to assess the hardness of orthodontic brackets produced by metal injection molding (MIM) and conventional methods and different orthodontic wires (stainless steel, nickel-titanium [Ni-Ti], and beta-titanium alloys) for better clinical results. MATERIALS AND METHODS: A total of 15 specimens from each brand of orthodontic brackets and wires were examined. The brackets (Elite Opti-Mim which is produced by MIM process and Ultratrimm which is produced by conventional brazing method) and the wires (stainless steel, Ni-Ti, and beta-titanium) were embedded in epoxy resin, followed by grinding, polishing, and coating...
July 2017: Dental Research Journal
https://www.readbyqxmd.com/read/28928782/comparison-of-microleakage-of-scotchbond%C3%A2-universal-adhesive-with-methacrylate-resin-in-class-v-restorations-by-two-methods-swept-source-optical-coherence-tomography-and-dye-penetration
#16
Hamid Kermanshah, Hossein Khorsandian
BACKGROUND: One of the most important factors in restoration failure is microleakage at the restoration interface. Furthermore, a new generation of bonding, Scotchbond Universal (multi-mode adhesive), has been introduced to facilitate the bonding steps. The aim of this study was to compare the microleakage of Class V cavities restored using Scotchbond™ Universal with Scotchbond Multi-Purpose in two procedures. MATERIALS AND METHODS: Eighteen freshly extracted human molars were used in this study...
July 2017: Dental Research Journal
https://www.readbyqxmd.com/read/28928781/n-acetylneuraminic-acid-a-scrutinizing-tool-in-oral-squamous-cell-carcinoma-diagnosis
#17
Suganya Rajaram, Balamurali P Danasekaran, Ramesh Venkatachalapathy, Karthikshree Vishnu Prashad, Saranya Rajaram
BACKGROUND: Oral cancer has one of the highest mortality rate among other malignancies. An attempt has been made to assess the genetic expression of a cell surface glycoprotein component - sialic acid released by the malignant cells which will reflect on the oral squamous cell carcinoma (OSCC). The aim of this study was to estimate and correlate the salivary and serum sialic acid levels in OSCC. MATERIALS AND METHODS: In our case-control study, saliva and blood samples were obtained from Group 1 - 10 healthy controls, Group 2 - 12 well-differentiated OSCC, Group 3 - 7 moderately differentiated and 2 poorly differentiated OSCC...
July 2017: Dental Research Journal
https://www.readbyqxmd.com/read/28928780/assessment-of-oral-health-parameters-among-students-attending-special-schools-of-mangalore-city
#18
Tom Peter, Deepthi Anna Cherian, Tim Peter
BACKGROUND: The aim of the study was to assess the oral health status and treatment needs and correlation between dental caries susceptibility and salivary pH, buffering capacity and total antioxidant capacity among students attending special schools of Mangalore city. MATERIALS AND METHODS: In this study 361 subjects in the age range of 12-18 years were divided into normal (n = 84), physically challenged (n = 68), and mentally challenged (n = 209) groups. Their oral health status and treatment needs were recorded using the modified WHO oral health assessment proforma...
July 2017: Dental Research Journal
https://www.readbyqxmd.com/read/28928779/evaluation-of-the-effect-of-three-mouthwashes-on-the-mechanical-properties-and-surface-morphology-of-several-orthodontic-wires-an-in-vitro-study
#19
Hossein Aghili, Sogra Yassaei, Farzaneh Eslami
BACKGROUND: The aim of this study was to evaluate and compare the changes in the mechanical properties and surface morphology of different orthodontic wires after immersion in three mouthwash solutions. MATERIALS AND METHODS: In this in vitro study, five specimens of each of 0.016 inch nickel titanium (NiTi), coated NiTi, and stainless steel orthodontic wires were selected. The specimens were immersed in 0.05% sodium fluoride (NaF), 0.2% chlorhexidine, Zataria multiflora extract, and distilled water (control) for 1...
July 2017: Dental Research Journal
https://www.readbyqxmd.com/read/28928778/effectiveness-of-morinda-citrifolia-juice-as-an-intracanal-irrigant-in-deciduous-molars-an-in-vivo-study
#20
Manisha Chandwani, Rakesh Mittal, Shweta Chandak, Jitesh Pimpale
BACKGROUND: The purpose of this study was to evaluate the microbial reduction in deciduous molars using Morinda citrifolia juice (MCJ) as irrigating solution. MATERIALS AND METHODS: This was a randomized comparative study including 60 deciduous molars chosen among the patients belonging to the age group of 6-9 years based on the inclusion or exclusion criteria. The selected teeth were divided randomly into two groups based on irrigation solution used, that was, Group I (1% NaOCl) and Group II (MCJ)...
July 2017: Dental Research Journal
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