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Journal of Dental Research, Dental Clinics, Dental Prospects

Bora Korkut
Direct composite veneers have gained an important role in dental clinical applications following recently developed materials and techniques in adhesive and restorative dentistry. Direct application on prepared tooth surfaces or even without any preparation, with an adhesive agent and a composite resin material in a single visit is the main procedure as well as the advantage of these restorations. The main aim of this direct procedure is to create minimally invasive and long lasting restorations. As the dental materials and techniques develop, the clinicians also had the chance to mimic the natural dental tissues to create very natural alike restorations in a single appointment...
2018: Journal of Dental Research, Dental Clinics, Dental Prospects
Pedro Paulo Albuquerque, Marina Barreto Pereira Moreno, Alexander Cassandri Nishida, Ezequias Rodrigues, Camila Kiyohara, Carlos Eduardo Francci
Background: the aim of the study was to describe the step-by-step of clinical cases using prefabricated composite resin veneers (PCRVs), manufactured with the composite Brilliant New Generation (Coltene, Altstätten, Switzerland). Direct composite veneers presented some drawback as the difficult of execution and color instability of the composite over the time. The simplified application of the PCRVs presented as an interesting alternative in cases of smile asymmetry, large deficient restorations and discolored tooth...
2018: Journal of Dental Research, Dental Clinics, Dental Prospects
Fatemeh Nematollahi, Marzieh Alikhasi, Elaheh Beyabanaki
Implants provide support, stability and retention for restorations used in fully and partially edentulous patients. This clinical report describes prosthetic treatment of a 30-year-old man suffering from a dentoalveolar deficiency due to an old gunshot trauma to the left side of the mandible. The patient was rehabilitated with implant-supported Toronto prosthesis following surgical placement of three implants with undesirable location and angulations due to lack of sufficient bone. This prosthetic option offers advantages of both screw-retained and cement-retained prostheses and provides acceptable aesthetic and functional results...
2018: Journal of Dental Research, Dental Clinics, Dental Prospects
Ezzatollah Jalalian, Nahid Darvish, Sogol Saberi
Background. The aim of this study was to analyze the effect of G-Bond and Z-PRIME Plus on the bond strength between prefabricated zirconia posts and the root canal wall. Methods. The study was carried out on 21 premolar teeth with similar conditions. The samples were cut at the CEJ. After root canal treatment of the roots, the post space was prepared up to a length of 10mm. The samples were randomly assigned to two groups of 10. G-Bond was used in one group and Z-PRIME Plus in the other to prepare the posts' surfaces...
2018: Journal of Dental Research, Dental Clinics, Dental Prospects
R Banu Ermis, Esra Uzer Celik, Gul Yildiz, Basak Yazkan
Background. The use of trayless at-home bleaching agents in darker teeth is raising some concerns due to their unknown efficacy. The purpose of this in vitro study was to evaluate the effect of tooth discolouration severity on the efficacy and colour stability of two different trayless at-home bleaching systems. Methods. Ninety enamel-dentin samples were divided into two groups: lighter tand darker teeth. The teeth in each group were further divided into three groups (n=15): (1) tray-based system with 10% carbamide peroxide (Opalescence Oh) (control group); (2) a tray applied whitening membrane with 10% hydrogen peroxide (Treswhite Supreme); and (3) a whitening pen with 22% carbamide peroxide (Hollywood Smiles)...
2018: Journal of Dental Research, Dental Clinics, Dental Prospects
Damla Torul, Sevda Kurt, Kamber Kamberoglu
Apical surgery (AS) is considered as the last attempt to save teeth which cannot be treated with conventional endodontic approach. The main goal of apical surgery is to create a barrier between the root-canal system and the peri-radicular tissues by means of a tight root-end filling after resection. However, failures in this treatment is usually result with tooth loss. In such cases surgical re-treatment would take into consideration as viable alternative. In this case series, successful ARs that performed in ten teeth of five patients who applied for extraction after an unsuccessful apical surgery, were presented...
2018: Journal of Dental Research, Dental Clinics, Dental Prospects
Cangul Keskin, Evren Sarıyılmaz, Duygu Hazal Güler
Background. The present study aimed to test the efficacy of novel reciprocating systems in terms of gutta-percha removal of roots obturated with warm vertical compaction technique. Methods. Ninety straight rooted maxillary incisors were enlarged with hand files up to a # 50/02 apical size and obturated using warm vertical compaction technique. The specimens were divided into four groups according to system used for filling removal, as Reciproc Blue, Reciproc, WaveOne Gold and hand-instrumentation. The residual filling materials and time required for root canal removal were calculated...
2018: Journal of Dental Research, Dental Clinics, Dental Prospects
Reenu Sarah Kurien, Mousumi Goswami, Sanjay Singh
Background: Maintaining primary teeth in the oral cavity is of prime importance, and grossly carious teeth may require pulp therapy for the same. Pain on injection and incomplete anesthesia causes failure of the procedure and result in fear and anxiety. Various methods have evolved to overcome this; such as distraction, topical anesthesia, etc. A few techniques regaining popularity in dentistry in recent times is the warming or buffering of the solution prior to administration. This study thus aimed to compare and evaluate the anesthetic efficacy and the patient's pain reaction to pre-warmed, buffered and conventional 2% lignocaine for the success of Inferior Alveolar Nerve Block in mandibular primary molars undergoing pulp therapy...
2018: Journal of Dental Research, Dental Clinics, Dental Prospects
Sara Ghadimi, Mahdi Shahrabi, Zahra Khosravi, Rooholah Behroozi
Background: Successful anesthesia is a major concern in during pulpotomy treatment. The aim of this study was to compare the anesthetic efficacy of inferior alveolar nerve block using 2% lidocaine and buccal infiltration using 4% articaine for pulpotomy of mandibular primary second molars. Methods: This randomized cross-over clinical trial was performed in 23 children (five to eight-year-old) from July through November 2016, referred to the Department of Pediatric Dentistry, Tehran University of Medical Sciences who needed pulpotomy treatment in both mandibular primary second molars...
2018: Journal of Dental Research, Dental Clinics, Dental Prospects
Sepideh Vosoughhosseini, Amirala Aghbali, Parya Emamverdizadeh, Mohammad Razbani, Mehran Mesgari, Ali Barzegar
Background: More than 90% of oral cancers are cases of squamous cell carcinoma. Standard treatment of cancer includes a combination of surgery, chemotherapy and radiotherapy. Each of these treatments, however, brings about certain problems and side effects. Today herbal medicine, has become a more preferable option in dealing with health problems or preventing them because this type of medicine has better compatibility with the body and does not cause undesirable side effects. In this study , the effect of Ferula persica plant methanol extraction on Cox-2 levels in SCC induced rat tongue is conducted in vivo...
2018: Journal of Dental Research, Dental Clinics, Dental Prospects
Zohre Sadat Hosseinipour, Maryam Pirmoradian-Najafabadi, Sima Shahabi
Background: This study sought to assess the effect of Er,Cr:YSGG laser power on the surface roughness of lased radicular dentin using atomic force microscopy (AFM). Methods: Fifteen human radicular dentin samples were randomly divided into five groups: one control (G1, intact) and four experimental groups treated with 0.25W (G2), 0.5W (G3), 0.75W (G4) and 1W (G5) powers of Er,Cr:YSGG laser (2.78µm) at a repetition rate of 20 Hz, with a 600-µm-diameter sapphire tip. After irradiation, surface topography was analyzed by AFM using a Si probe in tapping mode...
2018: Journal of Dental Research, Dental Clinics, Dental Prospects
Les Kalman, Quincy Izabela Sofowora
Indirect non-metal restorations restore the function and esthetics of severely carious or broken teeth. This report explores a novel approach for the impression, model fabrication and provisionalization of a pin reinforced-onlay (pinlay) preparation. A dentoform molar was prepared for a pinlay indirect restoration. An impression, model and a provisional were fabricated with the employed pins and determined to be clinically acceptable. The pinlay may offer the patient and clinician another treatment option for oral rehabilitation...
2018: Journal of Dental Research, Dental Clinics, Dental Prospects
Zahra Jamali, Ebrahim Najafpour, Ziya Ebrahim Adhami, Alireza Sighari Deljavan, Naser Asl Aminabadi, Sajjad Shirazi
The aim of this systematic review was to investigate the effect of treatment duration on children's behavior and/or anxiety in the dental setting. To this end, a systematic search was conducted in Pubmed/Medline and Scopus from 1970 to march 2017 for English language articles that assessed the relationship between dental treatment duration or length, and fear/anxiety or behavior in children aged <12 with no confounding medical and/or psychological history and neuro-psychiatric disabilities. Four studies investigating the effect of treatment duration on children's behavior during and/or after treatment were included...
2018: Journal of Dental Research, Dental Clinics, Dental Prospects
Cangul Keskin, Evren Sarıyılmaz, Murat Demiral
Background. The present study aimed to compare the shaping ability of Reciproc Blue instruments with or without the creation of a glide path in simulated S-shaped root canals. Methods. Root canals of thirty #15.02 clear resin S-shaped blocks were dyed using ink and photographed. Then the blocks were randomly divided into 2 groups: group A: Reciproc Blue with glide path created with ProGlider and group B: Reciproc Blue with no glide path preparation (n=15). The blocks were also photographed after preparation...
2018: Journal of Dental Research, Dental Clinics, Dental Prospects
Mohammad Hossein Ahangar Atashi, Amir Hooman Sadr Haghighi, Parastou Nastarin, Sina Ahangar Atashi
Background. Bracket base design is a factor influencing shear bond strength. High shear bond strength leads to enamel crack formation during debonding. The aim of this study was to compare enamel damage variations, including the number and length of enamel cracks after debonding of two different base designs. Methods. Eighty-eight extracted human premolars were randomly divided into2 groups (n=44). The teeth in each group were bonded by two types of brackets with different base designs: 80-gauge mesh design versus anchor pylon design with pylons for adhesive retention...
2018: Journal of Dental Research, Dental Clinics, Dental Prospects
Zohreh Tabibzadeh, Reza Fekrazad, Azadeh Esmaeelnejad, Mohammad Mostafa Shadkar, Zahra Khalili Sadrabad, Morteza Ghojazadeh
Background. Diode lasers (DLs) have demonstrated equal or better desensitizing effects than fluoride varnish, 10% potas-sium nitrate (NK) gel and Gluma. The current study evaluated the desensitizing effect of combined application of DLs with two different output powers and compared it with single DL therapy. Methods. Sixty-two hypersensitive teeth were allocated randomly into two groups: the single group was treated with 3-W DL beam once and in the combined group, the teeth were irradiated three times (the first time with 0...
2018: Journal of Dental Research, Dental Clinics, Dental Prospects
Kanad Chaudhuri, Keerthi Krishnankutty Nair, Lingappa Ashok
Background. Recurrent aphthous stomatitis (RAS) is a disorder characterized by recurring ulcers involving the oral mucosa in patients with no other signs of disease. The current concept of etiopathogenesis is that RAS is a clinical syndrome with several possible etiologies. The process seen in RAS is probably initiated through an as yet unidentified antigenic stimulation of the mucosal keratinocytes, which stimulates secretion of T-cell activation cytokines ‒ interleukins and tumor necrosis factor alpha (TNF-α)...
2018: Journal of Dental Research, Dental Clinics, Dental Prospects
Masoumeh Khoshhal, Fariborz Vafaei, Mahsa Najafi, Masoumeh Nikkhah
Background. In successful replacement of a tooth with a dental implant, soft tissue esthetic is as important as stability and function of the implant. Quality and quantity of the peri-implant mucosa can influence esthetic outcomes. This study assessed implant esthetic success of two different implant systems. In this regard the interdental papilla was evaluated and the relation-ship between implant type and crestal bone loss adjacent to implant was assessed. Methods. Eighteen patients (11 males, 7 females) with a total of 18 implants participated in this historical cohort study...
2018: Journal of Dental Research, Dental Clinics, Dental Prospects
Filiep Raes, Tammaro Eccellente, Carolina Lenzi, Michele Ortolani, Giuseppe Luongo, Carlo Mangano, Francesco Mangano
Background. In the current scientific literature there are only few studies on the immediate functional loading of single implants. The aim of the present present study was to evaluate the 4-year survival rate, complication rate and peri-implant marginal bone loss (PIMBL) of immediately loaded single implants inserted in healed ridges and fresh post-extraction sites. Methods. Six centers were involved in this prospective study. The surgical and prosthetic protocol was defined in detail, before the start of recruiting patients...
2018: Journal of Dental Research, Dental Clinics, Dental Prospects
Ali Hafezeqoran, Roodabeh Koodaryan, Seyed Gholamreza Noorazar, Masoud Hajialilue-Bonab, Mehran Hassanzadeh, Neda Yasamineh
Background. Various occlusal schemes have been introduced over the years to enhance the stability, comfort, beauty and function of complete denture, of which lingualized, bilateral balanced and monoplane occlusions are the most recommended. The aim of this study was to compare the strain in mandibular denture-supporting structures in three different occlusal schemes. Methods. Two mandibular and maxillary models were simulated using epoxy resin, and strain gauges were embedded on each side of the mandible in mental foramen, buccal shelf and distolingual area...
2018: Journal of Dental Research, Dental Clinics, Dental Prospects
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