Publications by authors named "Mitra Ghazizadeh Ahsaie"

10 Publications

  • Page 1 of 1

Clinical, Imaging and Histopathology of Angioleiomyoma of the Buccal Cheek.

Case Rep Dent 2021 30;2021:9940304. Epub 2021 Apr 30.

Department of Oral and Maxillofacial Pathology, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Angioleiomyoma is a benign neoplasia originating from vascular smooth muscle and very uncommon in the oral cavity. In this report, we present a rare case of angioleiomyoma in oral cavity in a 46-year-old female buccal cheek and discuss the clinical, histological, and immunohistochemical characteristics. As the treatment of choice is the complete excision, the lesion was excised under local anesthesia with no further complications. In addition, a brief update on other reported cases of angiomyoma in the oral cavity is further discussed.
View Article and Find Full Text PDF

Download full-text PDF

Source
http://dx.doi.org/10.1155/2021/9940304DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8105109PMC
April 2021

Large Rhinolith Mimicking Atypical Odontogenic Pain: Case Report and Brief Review of the Literature.

Case Rep Dent 2021 17;2021:5550187. Epub 2021 Apr 17.

Department of Oral and Maxillofacial Radiology, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Rhinoliths are rare calcified entities in the nasal fossa, frequently originating around a nidus near the midway point in the inferior meatus, where the passage is the narrowest. They can be clinically asymptomatic and undetected for years. In this study, we present a rare case of large rhinolith mimicking atypical odontogenic pain in a 40-year-old Caucasian female in the left nasal cavity. The lesion was detected in the CBCT and removed uneventfully.
View Article and Find Full Text PDF

Download full-text PDF

Source
http://dx.doi.org/10.1155/2021/5550187DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8075674PMC
April 2021

A New Classification of Anterior Mandible Edentulous Ridge Based on Cone Beam Computed Tomography.

J Long Term Eff Med Implants 2021 ;31(1):21-31

Department of Oral and Maxillofacial Radiology, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Purpose - Dental implants in the anterior mandible have become increasingly common due to popular prosthetic treatments. The aim of this study was to evaluate cone beam computed tomography (CBCT) images of mandibles from edentulous patients in need of anterior dental implants to present qualitative descriptions in the mental interforaminal region and to present a new classification. Material and Methods - A total of 180 (CBCT) scans of patients requiring implant installation in the anterior mandible for implant assisted overdenture treatment plan were evaluated regarding parameters such as ridge height, width, inclination, and undercuts. All assessments were performed on the cross-sectional images mesial to the mental foramen. Results - The most common ridge morphology was cylindrical (74.1%) followed by atrophic (19.4%) and undercut (6.4%). The prevalence of atrophic ridge was significantly higher in females and ridge with undercut was significantly more detected in males (P < 0.05). D1 and D2 bone types was detected higher in males than in females (P < 0.05). Conclusion - Cylindrical morphology was the most prevalent features of anterior mandible of edentulous patients. A CBCT scan is a useful diagnostic tool providing important information about anatomical structures and morphological variations in the sites of interest.
View Article and Find Full Text PDF

Download full-text PDF

Source
http://dx.doi.org/10.1615/JLongTermEffMedImplants.2020037061DOI Listing
January 2021

Prevalence of Nasal Septum Deviation Using Cone-Beam Computed Tomography: A Cross-Sectional Study.

Contemp Clin Dent 2020 Jul-Sep;11(3):223-228. Epub 2020 Nov 26.

Department of Oral and Maxillofacial Radiology, School of Dentistry, North Khorasan University of Medical Sciences, Bojnurd, Iran.

Background And Aim: Nasal septum deviation (NSD) increases the chance of nasal obstruction, sinusitis, and upper airway and middle ear infections and can affect vocal cord activity, beauty, and breathing. The present study investigated the prevalence of NSD and its relation to gender, age, and history of trauma using cone-beam computed tomography (CBCT).

Subjects And Methods: This cross-sectional study was performed on the data from CBCT examinations of 386 patients referred to two oral and maxillofacial radiology centers in Tehran, Iran, from January 2016 to January 2017. The presence of NSD and its type according to the Mladina's classification were evaluated. The effect of age, gender, and history of trauma on the prevalence of NSD was considered using a logistic regression.

Results: 86.6% (confidence interval = 0.81, 0.91) of the patients showed NSD. The prevalence was 19.4% type 1, 6.2% type 2, 20.7% type 3, 5.4% type 4, 4.4% type 5, 0.3% type 6, and 30.3% with type 7. The logistic regression indicated that the chance of deviation of nasal septum increased with age and every 10-year increase in age increased the odds of septal deviation by 0.32 ( < 0.001 and odds ratio = 1.032). Gender ( = 0.094) and history of trauma ( = 0.79) had no effects on the chance of deviation of nasal septum.

Conclusion: This study showed that the frequency of NSD was 86.6%, with type 7 being the most common type, followed by type 3 and 1. NSD showed no association with trauma and gender, and the increase in age increases the chance of NSD.
View Article and Find Full Text PDF

Download full-text PDF

Source
http://dx.doi.org/10.4103/ccd.ccd_110_19DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7989757PMC
November 2020

Anatomical variations in the interforaminal regions of candidates for implant-assisted overdentures: a cross-sectional CBCT analysis.

Gen Dent 2020 Nov-Dec;68(6):11-16

Implant-supported overdentures are becoming a common treatment modality, providing functional and esthetic results for patients in need of full-mouth rehabilitation. Because anatomical variations in the residual ridge affect treatment planning, the aim of this retrospective study was to present quantitative descriptions of the interforaminal region by evaluating a large series of cone beam computed tomographic (CBCT) images of the mandibles of edentulous patients in need of anterior dental implants. The sample included a total of 180 CBCT scans (360 sites) of patients requiring endosseous implant placement in the anterior region of the mandible for implant-assisted overdentures. The CBCT images were evaluated for parameters such as ridge height, width, angulation, and undercuts; crestal height; and corticocancellous bone ratios. The statistical analyses included the independent-samples t test and chi-square analysis. The mean (SD) ridge height was 18.16 (0.36) mm on the right side and 17.79 (0.38) mm on the left side and was significantly greater in men than in women (P = 0.02). Men also had a significantly greater cortical crest height than women (P = 0.01). The prevalence of ridge undercuts in the buccal cortex was 10.0% on the right side and 7.2% on the left side, and these undercuts had mean (SD) depths of 1.52 (0.62) mm and 1.48 (0.60) mm on the right and left sides, respectively. The ratio of cortical bone to cancellous bone was significantly greater in men than in women (P = 0.03). The mean (SD) ridge angle was 14.51 (6.54) degrees on the right side of the mandible and 13.05 (6.47) degrees on the left side, a statistically significant difference (P = 0.00). Moderate positive correlations were detected between the patient age and both the ridge widths (P = 0.00) and cancellous bone widths (P = 0.01). Moderate negative correlations were detected between the patient age and both ridge height and cortical crest height (P = 0.00). The widest ranges of variation belonged to ridge angle and ridge height, respectively, but the differentiation between the right and left sides was clinically insignificant. Knowledge of the patient's anatomical variations will allow the clinician to formulate an individualized treatment plan.
View Article and Find Full Text PDF

Download full-text PDF

Source
December 2020

Laser pulpotomy-an effective alternative to conventional techniques-a systematic review of literature and meta-analysis.

Lasers Med Sci 2018 Nov 17;33(8):1621-1629. Epub 2018 Jul 17.

Department of Oral and Maxillofacial Radiology, Dental School, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

The aim of this systematic review and subsequent meta-analysis was to elaborate the efficacy of laser pulpotomy over the formocresol pulpotomy of human primary teeth. Published materials in the MedLine were looked for through "PUBMED" and "PUBMED CENTRAL". The MESH terms of "Laser", "Pulpotomy", "Primary teeth", and "Children" were used to carry the search from the years 1999 to 2017. Collected data were assessed by four investigators using inclusion and exclusion criteria in order to select those studies with precise method targeted. Only clinical trials on all types of lasers were included for this systematic reviews but only four articles were used for the meta-analysis as the rest did not meet the requirements. Statistical analysis was conducted to see the differences. Seventeen articles completely fulfilled the inclusion criteria of this study. In general, high clinical, radiographic, and histopathological success rates were reported in laser groups in comparison to other assessed methods. Meta-analysis indicated that except at 36 months, in all other time intervals, Laser proved better or close results to formocresol. At 36 months, laser showed better clinical results. Laser may be considered as an adjuvant alternative for vital pulp therapy on human primary teeth but due to the limited number of high-quality clinical research articles on laser-assisted pulpotomy, various types of laser application methods, and different follow-up periods, reaching a net consensus is still challenging.
View Article and Find Full Text PDF

Download full-text PDF

Source
http://dx.doi.org/10.1007/s10103-018-2588-4DOI Listing
November 2018

Application of selected scaffolds for bone tissue engineering: a systematic review.

Oral Maxillofac Surg 2017 Jun 13;21(2):109-129. Epub 2017 Feb 13.

Department of Tissue Engineering, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Purpose: The current systematic review investigated the results of application of some of the most commonly used scaffolds in conjugation with stem cells and growth factors in animal and clinical studies.

Methods: A comprehensive electronic search was conducted according to the PRISMA guidelines in NCBI PMC and PubMed from January 1970 to December 2015 limited to English language publications with available full texts. In vivo studies in relation to "bone healing," "bone regeneration," and at least one of the following items were investigated: allograft, β-tricalcium phosphate, deproteinized bovine bone mineral, hydroxyapetite/tricalcium phosphate, nanohydroxyapatite, and composite scaffolds.

Results: A total of 1252 articles were reviewed, and 46 articles completely fulfilled the inclusion criteria of this study. The highest bone regeneration has been achieved when combination of all three elements, given scaffolds, mesenchymal stem cells, and growth factors, were used. Among studies being reported in this review, bone marrow mesenchymal stem cells are the most studied mesenchymal stem cells, β-tricalcium phosphate is the most frequently used scaffold, and platelet-rich plasma is the most commonly used growth factor.

Conclusion: The current review aimed to inform reconstructive surgeons of how combinations of various mesenchymal stem cells, scaffolds, and growth factors enhance bone regeneration. The highest bone regeneration has been achieved when combination of all three elements, given scaffolds, mesenchymal stem cells, and growth factors, were used.
View Article and Find Full Text PDF

Download full-text PDF

Source
http://dx.doi.org/10.1007/s10006-017-0608-3DOI Listing
June 2017

Diagnostic Biomarkers in Oral Verrucous Carcinoma: A Systematic Review.

Pathol Oncol Res 2017 Jan 6;23(1):19-32. Epub 2016 Dec 6.

Students' Research Office, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Oral verrucous carcinoma (OVC), a low-grade variant of oral squamous cell carcinoma (OSCC), is most frequently seen in the oral cavity. No clear etiology has been found for this lesion, but human papilloma virus, chewing betel nuts, and ultraviolet radiation are suggested as probable causes. Differential diagnosis of OVC is challenging for oral pathologists. The aim of this study was to review the molecular-based approaches for differential diagnosis of OVC. An electronic search was conducted in Medline and Scopus from January 2004 to July 2015 limited to English language publications. Published papers on verrucous carcinoma (VC) were found according to the inclusion and exclusion criteria and analyzed qualitatively. Data extraction were performed according to PRISMA statement. A total of 423 articles were reviewed; out of which, 26 articles completely fulfilled the inclusion criteria. Most of the included studies investigated proliferative and apoptotic biomarkers such as p53 and Ki67. No definite conclusion was drawn for cytoskeletal biomarkers due to variability of factors and lack of significant expression. However, it seems that cytokeratin10 (CK 10) can be useful for differentiation of OVC and benign squamous lesions. Among cell surface and extracellular matrix biomarkers tissue biomarkers, matrix metalloproteinase (MMP)-2, -9, CD31 and CD68 seem to be useful for differentiation of OVC and OSCC and glucose transporter-1 (GLUT-1) can help in differentiation of OVC from oral epithelial dysplasia. Differences among OVC, OSCC and normal epithelium in expression profiles of the investigated biomarkers help in their differential diagnosis; although, clinicohistopathological similarities among verrucous hyperplasia, noninvasive OVC and invasive well-differentiated OSCC make the diagnosis difficult. Further studies are required to better differentiate these oral lesions.
View Article and Find Full Text PDF

Download full-text PDF

Source
http://dx.doi.org/10.1007/s12253-016-0150-xDOI Listing
January 2017

Smart scaffolds in bone tissue engineering: A systematic review of literature.

World J Stem Cells 2015 Apr;7(3):657-68

Saeed Reza Motamedian, Research Institute of Dental Sciences, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran PO Box 19839, Iran.

Aim: To improve osteogenic differentiation and attachment of cells.

Methods: An electronic search was conducted in PubMed from January 2004 to December 2013. Studies which performed smart modifications on conventional bone scaffold materials were included. Scaffolds with controlled release or encapsulation of bioactive molecules were not included. Experiments which did not investigate response of cells toward the scaffold (cell attachment, proliferation or osteoblastic differentiation) were excluded.

Results: Among 1458 studies, 38 met the inclusion and exclusion criteria. The main scaffold varied extensively among the included studies. Smart modifications included addition of growth factors (group I-11 studies), extracellular matrix-like molecules (group II-13 studies) and nanoparticles (nano-HA) (group III-17 studies). In all groups, surface coating was the most commonly applied approach for smart modification of scaffolds. In group I, bone morphogenetic proteins were mainly used as growth factor stabilized on polycaprolactone (PCL). In group II, collagen 1 in combination with PCL, hydroxyapatite (HA) and tricalcium phosphate were the most frequent scaffolds used. In the third group, nano-HA with PCL and chitosan were used the most. As variable methods were used, a thorough and comprehensible compare between the results and approaches was unattainable.

Conclusion: Regarding the variability in methodology of these in vitro studies it was demonstrated that smart modification of scaffolds can improve tissue properties.
View Article and Find Full Text PDF

Download full-text PDF

Source
http://dx.doi.org/10.4252/wjsc.v7.i3.657DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4404400PMC
April 2015

Effect of low level laser therapy on proliferation and differentiation of the cells contributing in bone regeneration.

J Lasers Med Sci 2014 ;5(4):163-70

Gifted and Talented Dental Students Division, Students' Research Committee, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Introduction: Low level laser therapy (LLLT) also known as photobiomodulation, is a treatment that uses low-level lasers or light-emitting diodes (LEDs) to change cellular function and is a clinically well accepted tool in regenerative medicine and dentistry. Considering the variety of laser, exposure, cells and study types, the exact effects of low level laser therapy seems to be unclear. The aim of this study was to review the data published in the field of the effects of low level laser therapy on proliferation and differentiation of the cells contributing in bone regeneration.

Methods: To access relevant articles, an electronic search in PubMed was conducted from 2001 to April 2014. English language published papers on low level laser therapy were found using the selected keywords .The full texts of potentially suitable articles were obtained for final assessment according to the exclusion and inclusion criteria.

Results: 240 articles were found from 2001 to April 2014. Following the initial screening of titles and abstracts as well as the final screening of full texts, 22 articles completely fulfilled the inclusion criteria of this study. Wavelength used in LLLT irradiation varied between 600 to 1000 nm with an energy density of 0.04-60J/cm(2) . Although almost all studies agreed on getting positive effects from LLLT, some had opposing results.

Conclusion: Low level laser with low-energy density range appears to exert a biostimulatory effect on bone tissue, enhance osteoblastic proliferation and differentiation on cell lines used in in vitro studies. Despite the fact that many researches have been recently done on the effects of LLLT on different cell lines, without knowing the precise mechanism and effects, we are not able to offer a clinical treatment protocol. This paper is a beginning to help further progress and extend practical use of LLLT in future.
View Article and Find Full Text PDF

Download full-text PDF

Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4281990PMC
February 2015