Papers by Masoud Parirokh
Iranian Endodontic Journal, 2013
INTRODUCTION Mineral trioxide aggregate (MTA) has been suggested for root-end filling, vital pulp... more INTRODUCTION Mineral trioxide aggregate (MTA) has been suggested for root-end filling, vital pulp therapy, apical plug, perforations repair, and root canal filling. Since the introduction of MTA in 1993, many studies about this material have been published. The aim of this survey was to illustrate statistical information about published articles in PubMed-index journals vis-à-vis the various aspects of this biomaterial. MATERIAL AND METHODS A PubMed search was performed to retrieve the relative articles from 1993 to August 2012. The data of each article including publication year, journal name, number of authors, first author name, affiliations and study design were recorded. Citation of each article till 2009 was obtained from Scopus and Google scholar databases. Data were analyzed to determine the related scientometric indicators. RESULTS In total, 1027 articles were found in PubMed-indexed journals which show considerable increase from 2 papers in 1993 to 139 in 2011. While ~62% ...
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Iranian endodontic journal, 2016
The aim of the present investigation was to compare the efficacy of mineral trioxide aggregate (M... more The aim of the present investigation was to compare the efficacy of mineral trioxide aggregate (MTA) and 0.2% chlorhexidine (CHX) mixture to pure MTA, as a pulp capping material. The pulp of 24 lateral incisors and canines from four dogs were exposed and capped either with MTA or MTA+0.2% CHX. After 2 months the animals were sacrificed and the teeth were prepared for histological evaluation in terms of calcified bridge formation, the degree of inflammation and presence of necrosis. The Fisher's exact test was used for data analysis. The results showed that formation of complete calcified bridge in MTA specimens was significantly more than MTA+CHX (P<0.05). No significant difference was found in the degree of inflammation and necrosis between MTA and MTA+CHX groups (P>0.05). Mixing MTA with CHX as pulp capping agent had a significant negative impact on formation of calcified bridge on directly capped dog's teeth.
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Restorative Dentistry & Endodontics, 2015
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Journal of Endodontics, 2015
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Journal of Endodontics, 2010
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Journal of Endodontics, 2012
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Journal of Endodontics, 2013
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Journal of Endodontics, 2014
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Journal of Endodontics, 2012
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Iranian endodontic journal, 2016
Quoting an article in well-known textbooks is held as a credit for that paper. The numbers of Ira... more Quoting an article in well-known textbooks is held as a credit for that paper. The numbers of Iranian publications mentioned in endodontic textbooks have increased during recent years. The aim of this investigation was to evaluate the number of Iranian articles quoted in eminent endodontic textbooks. Three known textbooks (Ingle's Endodontics, Seltzer and Bender's Dental Pulp and Cohen's Pathways of the Pulp) were chosen and all the editions of the textbooks since 2000 were investigated for quoted Iranian publications. Only Iranian authors with affiliations from a domestic university were chosen. All references at the end of each chapter were read by hand searching, and results were noted. The trend and percentage of Iranian publications in different editions of the textbooks were also calculated. The number of citations of these publications in Google Scholar and Scopus databases were also obtained. The number of Iranian publications in all well-known textbooks have not...
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Iranian Endodontic Journal, 2007
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Journal of dentistry (Tehran, Iran), 2014
A case with two simultaneous dens invaginations (DIs) and one dens evagination (DE) in a permanen... more A case with two simultaneous dens invaginations (DIs) and one dens evagination (DE) in a permanent maxillary lateral incisor is reported for the first time in a 21-year-old girl. DE known as talon cusp of the anterior teeth is a rare entity and its co-existence with DI has been reported scarcely in the literature. Simultaneous occurrence of two DIs with one DE has not been reported elsewhere. Undoubtedly, familiarity with the internal anatomy of such a rare condition can help prevent pulpal disease while performing restorative procedures.
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مجله دانشگاه علوم پزشکی کرمان, 2003
هدف از اين مطالعه ارزيابي ميزان موفقيت بيحسي تنه اي عصب آلوئولار تحتاني با استفاده از مپي واكائين... more هدف از اين مطالعه ارزيابي ميزان موفقيت بيحسي تنه اي عصب آلوئولار تحتاني با استفاده از مپي واكائين 3% در مقايسه با ليدوكائين 2% همراه با اپي نفرين 1.80000 در 30 دانشجوي داوطلب بوده است. تمامي كساني كه تحت بيحسي قرار گرفتند سالم بوده و هيچ دارويي قبل از بيحسي مصرف نكرده بودند. اين افراد در دو جلسه جداگانه و بطور تصادفي با يكي از محلول هاي ياد شده تحت بيحسي تنه اي عصب آلوئولار تحتاني قرار گرفتند. قبل از بيحسي دندان هاي كانين، پره مولر دوم و مولر اول سمتي كه قرار بود بيحس شود و همين دندان ها در طرف مقابل به عنوان شاهد با پالپ تستر ...
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Iranian endodontic journal, 2015
Case selection and treatment plan are important aspects of endodontic treatment. Dentists should ... more Case selection and treatment plan are important aspects of endodontic treatment. Dentists should organize the treatment plan based on their knowledge, abilities, skills and more importantly the patients' preference and dentition. Indubitably, the treatment plan for each patient is exclusive and "tailor-made" and cannot be used for all patients. Dentists' selfestimation of their abilities opens up treatment options; however, in difficult or complicated cases it is advisable to refer to a specialist. Currently, one of the most challenging aspects in dentistry is the choice between extraction and placement of implant (EPI) instead of a complicated root canal treatment (RCT). Overemphasis on one treatment plan while neglecting other options, not only mislead the dentist but also impose unnecessary charges to the patients. This mini-review compares RCT to EPI from various aspects to help practitioners in routine decision making.
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Cone-beam computed tomography (CBCT) has been accepted as a useful tool for diagnosis and treatme... more Cone-beam computed tomography (CBCT) has been accepted as a useful tool for diagnosis and treatment in endodontics. Despite a growing trend toward using CBCT in endodontic practice the CBCT images should be interpreted carefully. This case report presents a case that showed radiolucency inside and around a tooth which was free of pathologic changes under a dental operative microscope and conventional radiographs. A male patient was referred to an endodontic office for evaluation of radiolucency inside and around tooth #21 in his CBCT images. The post and crown over the tooth was removed and the tooth was observed under a dental operative microscope. Clinical examination as well as direct observation under a dental operative microscope showed no pathological lesions inside and around the tooth. The misdiagnosis was based on an artifact on CBCT. Despite the advantages of CBCT images as a great radiographic aid in endodontic practice, in the presence of metallic structures such as post...
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[This corrects the article on p. 1 in vol. 8.].
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Iranian endodontic journal, 2006
The effectiveness of low power lasers for incisional wound healing, because of conflicting result... more The effectiveness of low power lasers for incisional wound healing, because of conflicting results of previous research studies, is uncertain. Therefore, this study was carried out to evaluate low power laser effects on incisional wound healing. Incisional wound was produced on thirty-six mature male guinea pigs under general and local anesthesia. In half of the cases, HeNe laser radiations were used for five minutes and the rest were left untreated Animals were divided into six groups of six animals each that were killed after 3, 5 and 14 days. After histopathology processing and H&E staining, specimens were examined for acute and chronic inflammations, epithelial cell migration, epithelial seal and barrier formation, fibroblast migration, fibrosis, clot formation and granulation tissue formation. Mann-Whitney U and the Wilcoxon tests were used for statistical analysis. Statistically significant differences were found between fibroblast migration, acute and chronic inflammation of ...
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Iranian endodontic journal, 2008
The aim of this innovative study was to regenerate a condition that makes it possible to carry ou... more The aim of this innovative study was to regenerate a condition that makes it possible to carry out researches in the field on a variety of resorption. In order to develop apical resorption, the root canals of selected teeth were instrumented and then drilled with #4 Gates Glidden drills. In the next stage, the teeth were submerged in melted rose wax up to 3 mm to the apex. The waxed teeth were submerged in 20% sulfuric acid for 4 days. After that, all samples were evaluated under stereomicroscope and also the SEM. Images showed areas with different pattern of resorption in root apex and entire root canals in all samples. Simulation of the root resorption can be helpful in many experimental studies.
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Iranian endodontic journal, 2013
This study was carried out to estimate toothache prevalence among adult residents in Kerman. This... more This study was carried out to estimate toothache prevalence among adult residents in Kerman. This cross-sectional, population-based study was conducted among individuals aged over 18 years (n=1800). The relevant data on the prevalence of toothache and associated factors were collected by interviewing the individuals in their homes and filling out a questionnaire designed by the examiners. Prevalence of toothache and associated factors that patients recalled previous to their interview were analyzed by chi-square test and multivariate logistic regression analysis. Nine hundred ninety-one individuals (55.1%) reported toothache during the 6 months before the interview. The participants who flossed daily, had regular dental visits, and had higher education showed a significantly lower prevalence of toothache (P<0.05), whereas regular tooth brushing and economic level of residency had no significant effect on the prevalence of toothache. Individuals between the ages of 26 and 45 [odds...
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Iranian endodontic journal, 2013
Mineral trioxide aggregate (MTA) has been suggested for root-end filling, vital pulp therapy, api... more Mineral trioxide aggregate (MTA) has been suggested for root-end filling, vital pulp therapy, apical plug, perforations repair, and root canal filling. Since the introduction of MTA in 1993, many studies about this material have been published. The aim of this survey was to illustrate statistical information about published articles in PubMed-index journals vis-à-vis the various aspects of this biomaterial. A PubMed search was performed to retrieve the relative articles from 1993 to August 2012. The data of each article including publication year, journal name, number of authors, first author name, affiliations and study design were recorded. Citation of each article till 2009 was obtained from Scopus and Google scholar databases. Data were analyzed to determine the related scientometric indicators. In total, 1027 articles were found in PubMed-indexed journals which show considerable increase from 2 papers in 1993 to 139 in 2011. While ~62% of articles had no level of evidence, only...
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Papers by Masoud Parirokh