Showing 9 results for Azad
Kh Abdal, J Salehinejad, S Mostafazadeh,
Volume 1, Issue 4 (12-2016)
Abstract
Background and aim: Basal Cell Carcinoma (BCC) is the most common skin neoplasm and the most common type of cancer. Since the incidence of injury is taken into consideration in the pathologic diagnosis, the study of clinical and microscopic views of BCC is of particular importance. The present study aimed at determining the frequency of clinical and microscopic views of BCC in a 10-year period in Ilam province.
Materials and Methods: This study is descriptive. The study population consisted of all the subjects with BCC in the head and neck area referring to the pathology department of Imam Khomeini hospital in Ilam province in a 10-year period. The data were entered into SPSS 19 software and were analyzed using descriptive statistical methods and Chi-Square test.
Results: In the present study, 205 patients were diagnosed with BCC. The maximum and minimum frequency rates of the lesion were detected in the frontal area (9.23%) and neck (8.7%), respectively. The maximum frequency was related to the nodular type (57.1%), while the pigmented variant showed the lowest rate (8.3%). Among the evaluated microscopic variants, maximum views were related to the solid-cystic type (57.1%), while minimum views were related to the pigmented variant (37.3%). There was no significant correlation between the location of the lesion in males and females (p=0.14) or between the location of the lesion and age (p=0.16).
Conclusion: The results of this study showed that the nodular type was the most common clinical variant of BCC, while the least common type was the pigmented variant. The most common histological type was the solid-cystic type, while the pigmented variant was the least common type.
Mr Karimi, M Montazeri, M Harandi, L Aghazadeh, L Aghazadeh,
Volume 3, Issue 4 (10-2018)
Abstract
Background and aim: Antimicrobial photodynamic therapy (aPDT) has been suggested as a novel technique for decontamination of exposed implant surfaces. We aimed to evaluate the effect of aPDT on sandblasted, large-grit, acid-etched (SLA) titanium discs contaminated with Eikenella corrodens (Ec) and Aggregatibacter actinomycetemcomitans (Aa).
Materials and methods: In this in-vitro study, twenty-four sterile SLA titanium discs were contaminated with Ec (PTCC® 1391) and Aa )ATCC® 33384( and were randomly divided into the following groups: aPDT-treated group consisted of 12 discs submerged in 1 ml of toluidine blue and exposed to a low-level laser; negative control group comprised of 6 discs rinsed with physiological saline, and positive control group included 6 discs submerged in 2 ml of 0.2% chlorhexidine (CHX). After serial dilution, each sample was cultivated in an anaerobic environment (24 hours for Ec and 48 hours for Aa). Microbial reduction rate was calculated through colony-forming unit (CFU) counting according to Kruskal-Wallis test.
Results: The number of colonies for both bacterial strains in the aPDT-treated group was significantly reduced compared to the negative control group, showing the bactericidal potential of aPDT with toluidine blue (P<0.0001). The 0.2% CHX group showed a significantly smaller amount of colonies (CFU=1.089×107 for Ec and 3×107 for Aa) compared to the aPDT-treated group (CFU=3.73±1.19×109 for Ec and 52±13.6×105 for Aa; P<0.00001).
Conclusion: aPDT with toluidine blue significantly reduces Ec and Aa contamination of SLA titanium discs; however, 0.2% CHX showed the highest bactericidal potential and is still considered the gold standard in antimicrobial treatment of peri-implant diseases.
N Hoshyari, Z Allahgholipour, M Ahanjan, M Moosazadeh, M Zamanzadeh,
Volume 4, Issue 2 (6-2019)
Abstract
Background and Aim: Bacterial contamination of clinical surfaces of dental units that have been touched or been exposed to patients’ blood or saliva can be a reservoir for infections, leading to cross-contamination. This study aimed to evaluate bacterial contamination in the clinical environment of Sari Dental School in 2018.
Materials and Methods: In this cross-sectional (descriptive-analytical) study,
samples were randomly collected from 15 active dental units of five departments of Sari Dental School, including surgical, pediatrics, prosthodontics, endodontics, and restorative dentistry departments. Samples were collected from headrests, light handles, and dental seats using moist sterile swabs, and air samples were collected using agar plates. Sampling was carried out before and after dental practice. The samples were transferred to the microbiology laboratory to determine the number of various microorganism colonies. Data were analyzed using Chi-square, McNemar, and Kruskal-Wallis tests. P-values lower than 0.05 were considered significant.
Results: A significant difference was found between the frequency of contamination before and after clinical practice based on McNemar test results. Staphylococci were more prevalent on the surfaces. Kruskal-Wallis test revealed no significant difference in the total number of microorganisms between different departments after dental practice. Bacterial contamination of air was greater than other parts, followed by dental seats.
Conclusion: Microbial contamination of dental units considerably increases after treatment of each patient. Therefore, disinfection of dental unit surfaces and seats between each patient is essential. Also, methods of infection control must be supervised to prevent cross-infection.
M Zamanzadeh, A Rayani, M Moosazadeh, E Mazidi,
Volume 7, Issue 2 (3-2022)
Abstract
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Background and Aim: The frequency of patient complaints, and subsequent lawsuits filed by patients against dentists has been on the rise in the recent years. Given the importance of being aware of these issues and preventing them, the purpose of this study was to assess the frequency of dental complaints filed in the Medical Council Organization of three cities of Mazandaran Province (Sari, Babol and Amol) from 2011 to 2019.
Materials and Methods: This was a descriptive, retrospective, cross-sectional study. Complaints against dentists filed in the Medical Council Organization of three cities of Mazandaran Province (Sari, Babol and Amol) from 2011 to 2019 were retrieved and reviewed. The gender of plaintiffs and defendants, subject of the claim, defendants’ field of expertise, and final verdict were assessed. Data analysis was done using SPSS 19 by the Chi-square test, independent t-test, and Mann-Whitney test.
Results: A total of 120 complaints were retrieved from 2011 to 2019; the highest frequency of complaints was related to 2019 (19.2%). Most complaints were related to Babol city (45%), and the frequency of lawsuits against male dentists was higher than female dentists (P<0.001). The highest frequency of complaints was related to root canal treatment (31.6%), prosthetic treatments (28.3%), and surgical procedures (25.8%).
Conclusion: The highest frequency of complaints was related to Babol city and from dental offices. Also, most complaints were filed against general dentists.
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M Taghian, L Sadri, B Soleimani, M Moosazadeh, A Dehestani, A Tabarestani,
Volume 7, Issue 4 (10-2022)
Abstract
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Background and Aim: Traumatic dental injuries (TDI) and dental caries are among the prevalent oral health issues in preschool children that can lead to psychosocial and physical complications. Therefore, it is crucial to assess their effects on children’s oral health-related quality of life (OHRQoL). This study aimed to assess the effect of oral health status on OHRQoL of 2- to 5-year-old children in Sari, Iran.
Materials and Methods: This cross-sectional study was conducted on 540 randomly selected children between 2 to 5 years. Their decayed, missing, and filled teeth (DMFT) indices was determined by oral clinical examination. The Early Childhood Oral Health Impact Scale (ECOHIS) was completed by the parents. SPSS 16 was used for statistical analysis by the Chi-square test, independent t-test, and ANOVA.
Results: The ECOHIS mean scores in the Family Impact Section (FIS) and Child Impact Section (CIS) were 1.8±3.0 and 2.7±4.2, respectively. The mean DMFT score of children was 3.2±3.07, with 47% having a DMFT of 0. The frequency of TDI was 11.5%. The DMFT index and ECOHIS were significantly correlated (r=0.571, P<0.001). A statistically significant correlation was found between ECOHIS and TDI, indicating lower quality of life (QoL) in patients with a history of TDI (P<0.001).
Conclusion: Children’s oral health considerably affects their own and their parents’ QoL. Its effect on children’s QoL is greater than its impact on the QoL of the parents.
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A Mesgarani, N Hoshyari, M Mousazadeh, A Kabbazzadeh,
Volume 7, Issue 4 (10-2022)
Abstract
Background and Aim: Cleaning and shaping is one of the important steps in endodontic treatment, which has an important role in root canal treatment outcome. This study evaluated the rate of file fracture and file deformation in Neolix rotary system and K-files in shaping of the mesiobuccal canal of maxillary first molars with moderate curvature.
Materials and Methods: In this ex vivo experimental study, the mesiobuccal root curvature of maxillary first molars was measured by the Schneider’s method, and canal preparation was performed in 2 groups of 30 with Neolix rotary system and manual K-files. To determine the fracture rate of files, a file was used until it broke or deformed, and the number of canals cleaned by that file was recorded. The data were analyzed by the Mann-Whitney U test.
Results: File fracture rate in the rotary group was slightly higher than that in the manual K-file group but, the frequency of file deformation in manual K-files was slightly more than that in the rotary group. There was no statistically significant relationship between file type and frequency of file fracture or deformation (P>0.05). |
Conclusion: Manual stainless steel K files and Neolix NiTi rotary files were the same in terms of file fracture and file deformation in preparation of canals with moderate curvature.
Azita Azad, Abdolaziz Haghnegahdar, Janan Ghapanchi, Ali Hakimelahi, Zahra Mansouri,
Volume 9, Issue 1 (3-2024)
Abstract
Background and Aim: Hematopoietic malignancies like leukemia and lymphoma may present several complications. This study aimed to evaluate the panoramic radiographic features of patients with acute leukemia and lymphoma who are candidates for hematopoietic stem cell transplantation (HSCT).
Materials and Methods: In this cross-sectional study, 63 panoramic radiographs of HSCT candidates (25 females, 38 males, between 16-75 years) and 62 healthy individuals (25 females, 37 males, between 16-73 years) were evaluated in Shiraz, Iran. Osteoporosis, pathological radiolucencies, pathological calcifications, cortical bone thickness, periodontal disease, condylar degeneration, and other alveolar bone findings were recorded. Data were analyzed by the Chi-square, Fisher’s exact, and Mann-Whitney U tests (alpha=0.05).
Results: The thickness of nasal floor cortical bone, mandibular inferior cortex, and mandibular canal cortex was significantly lower in the patient group than the healthy group (P<0.05). Other abnormalities such as changes in periodontal ligament width, lamina dura thickness, and condylar degeneration were also more prevalent in HSCT patients compared to healthy controls (P≤0.05).
Conclusion: It appears that panoramic views provide reliable information for detection of osteopenia and osteoporosis in HSCT patients. This may reduce the use of expensive and invasive diagnostic workups with radiation exposure to detect low bone density in this group of compromised patients.
Azadeh Torkzadeh, Ali Tavousi, Milad Etemadi Shalamzari, Sasan Aryanejhad,
Volume 9, Issue 3 (9-2024)
Abstract
Background and Aim: The posterior superior alveolar artery (PSAA) is a branch of the maxillary artery. This study compared the anatomical position of the PSAA in the maxillary sinus between edentulous and dentate patients using cone-beam computed tomography (CBCT).
Materials and Methods: This descriptive study evaluated 280 maxillary sinus CBCT scans of edentulous and dentate patients. Visibility, vertical diameter, location and type of artery, horizontal distance from the PSAA to the sinus internal wall, distance from the artery to the sinus floor, distance from the artery to the alveolar crest, and distance from the alveolar crest to the sinus floor were studied on coronal sections using SIDEXIS 3D software. Data were analyzed by the Chi-square, Spearman rank correlation coefficient, and independent t tests.
Results: The artery type was mainly type I, with no difference between males and females or edentulous and dentate patients (P>0.05). PSAA was primarily located in the second molar area in dentate patients. The horizontal distance from the PSAA to the sinus internal wall, PSAA vertical diameter, distance from the alveolar crest to the sinus floor, and distance from PSAA to the maxillary sinus floor were not different in different age groups (P>0.05). Vertical diameter of PSAA and distance from PSAA to the maxillary sinus floor were not different between edentulous and dentate groups (P>0.05).
Conclusion: The distance from the PSAA to the sinus internal wall and to the alveolar crest, and the distance from the alveolar crest to the sinus floor were smaller in edentulous patients.
Sina Mosadeghian, Azadeh Torkzadeh, Parisa Ranjbarian, Roya Asaadi,
Volume 10, Issue 1 (3-2025)
Abstract
Background and Aim: This study assessed the position of the second mesiobuccal (MB2) canal relative to the distobuccal (DB) and palatal (P) canals of maxillary molars in an Iranian population using cone-beam computed tomography (CBCT).
Materials and Methods: This cross-sectional study evaluated 110 CBCT scans of patients retrieved from a radiology clinic in Isfahan, Iran. The MB1-MB2 inter-orifice distance, and the angle formed between the MB1-MB2 line and the DB-P line were measured on reconstructed axial sections. The angulation of MB2 orifice relative to the DB and P canals was categorized as positive, negative, and parallel. Data were compared by Student t-test, Fisher’s exact test, and Chi-square test (alpha=0.05).
Results: The mean MB1-MB2 inter-orifice distance was not significantly different in first and second molars, in the right and left sides, or in males and females (P>0.05). Negative angulation of MB2 orifice relative to the DB and P canals had the highest frequency (72.7%) followed by positive angulation (23.6%). Angulation of MB2 orifice had no significant correlation with tooth type (first/second molar), laterality, or gender (P>0.05).
Conclusion: The mean MB1-MB2 inter-orifice distance had no significant correlation with tooth type, laterality, or gender. Negative angulation of the MB2 relative to the DB and P canals had the highest frequency, indicating that if a hypothetical line is drawn from the MB1 orifice parallel to the DB-P line, the MB2 orifice would be probably at the distal of this line. Angulation of MB2 orifice had no significant correlation with tooth type, laterality, or gender.
