Showing 5 results for Moghaddam
Mohammad Jalilimanesh, Maryam Azhdari, Aghdas Mirjalili, Mohammad Ali Mozaffari, Seyedhossein Hekmatimoghaddam,
Volume 10, Issue 1 (1-2021)
Abstract
BACKGROUND
Burn wounds are a worldwide health problem, leading to physical and psycholog-ical disabilities in all age’s groups. With regard to absorbent properties of Planta-go ovata mucilage which can decrease wound moisture, we aimed to compare the effect of silver sulfadiazine (SSD) 1% and powdered P. ovata on second-degree burn wound healing in rats.
METHODS
This experimental study was conducted on 30 male Wistar rats with second-degree burn in three groups. Group 1 (control) did not receive any treatment; group 2 and group 3 (treated groups) were dressed daily using SSD cream and P. ovata powder, respectively. The weight of rats, wound size (by applying ImageJ software) and percentage of wound healing on the 5th, 7th, 10th, 13th, 16th, 19th, and 22nd days (by diagnosing a plastic surgeon) and histological cutaneous changes at day 22 were evaluated. The Prism software was applied for data analysis. The Haematoxylin & Eosin as well as Masson's trichrome staining were performed on wound skin biopsies.
RESULTS
On day 22nd, 20%, 50% and 60% of the rats had complete wound healing in the control, SSD and P. ovata groups, respectively. A significant decrease in wound size was shown in the treated groups compared to the control group (P<0.01), but no significant difference was shown between the treated groups (P>0.05). CONCLUSION However, the wound healing in P. ovata group or SSD was better than the control group, and the significant difference was not found with the treated group.
Hojjat Hasanzadeh Moghaddam, Ali Labafchi, Samareh Mortazavi, Maryam Khorasanchi, Elahe Tohidi, Seyed-Hosein Hoseini-Zarch, Sahand Samieirad,
Volume 10, Issue 2 (2-2021)
Abstract
BACKGROUND
This study aimed to investigate the positional changes of the hyoid bone following orthognathic surgery in skeletal class III patients.
METHODS
This double-blinded quasi-experimental study was carried out in Mashhad University of Medical Sciences, Iran, from Apr 2019 to Jun 2020. All skeletal Class III patients who were candidates for orthogenetic surgery were included. They underwent mandibular setback surgery using bilateral sagittal split osteotomy. Cephalometric assessments in relation to hyoid bone position and posterior airway space (PAS) were conducted one day preoperatively (T0), as well as one week (T1), six months (T2) and one year (T3) postoperatively, determining the parameters like the Long axis of the hyoid bone (LAH), Retrognation (RGn), Hyoidale (H), Palatal plane (PP), Mandibular plane (MP) and C3 Vertebrae (C3). All cephalograms were examined using AudaxCeph, Planmeca software. The data analysis was performed via SPSS-19
(P<0.05)
RESULTS
25 class III patients, including 18 females (72%) and 7 males (28%) with a mean age of 24.32±5.87, were studied. The cephalometric analysis demonstrated significant decreases in variable angles during the follow-up periods, except for LAH-MP angle (P<0.001). The hyoid bone moved downward and backward relative to its original position following the mandibular setback surgery. However, the bone gradually returned to the preoperative location between 6 to 12 months postoperatively.
CONCLUSION
The findings revealed the downward and backward movement of the hyoid bone following the mandibular setback surgery, returned near to its preoperative position after 1 year, postoperatively.
Mozhgan Kazemian, Nafiseh Ghadiri Moghaddam , Najmeh Anbiaee, Hamed Kermani, Sahand Samiee Rad ,
Volume 11, Issue 2 (7-2022)
Abstract
Background
Bilateral Sagittal Split Osteotomy (BSSO) is one of the treatment options for Class III maxillary deficiency which may affect the condylar position and the patient's occlusion. We aimed to evaluate the clinical and radiographic changes of temporomandibular joint (TMJ) following mandibular set back surgery by BSSO.
Methods
In this retrospective study, All Class III patients, aged between 18-30 years old who underwent bimaxillary orthognathic surgery in the Oral and Maxillofacial Surgery Ward of Ghaem Hospital, Mashhad, Iran from January 2018- January 2020 were enrolled. Radiographic changes of joint space, condylar position and clinical changes for maximal mouth opening and joint sound were examined before and 6 months after surgery. Data were analyzed by SPSS16 software and the significance level of the data was set at P-value < 0.05.
Results
Twenty-five patients were recruited. The axial angle of the left and right condyle and condylar inclination on both sides reduced but this reduction was not statistically significant. While the anterior joint space was reduced and posterior joint space was increased in both sides, the changes on the right side were only significant (P = 0.039). In clinical examinations maximum mouth opening, lateral and protrusive movements were also decreased but this reduction was not statistically significant.
Conclusion
The mandibular set back with BSSO surgery in class III skeletal patients had no significant effect on the position of the condyle in the glenoid fossa as well as clinical symptoms.
Mahdi Gholami, Abdolrahim Shams, Nafise Ghadirimoghaddam, Hussein Khalife,
Volume 11, Issue 3 (8-2022)
Abstract
Adult previously operated alveolar cleft palate presents a pronounced challenge for optimal surgical reconstruction. This optimal reconstruction dictates the restoration of soft tissues in addition to hard tissues to achieve prime functional results. Regional flaps usually used for the reconstruction of such defects were considered as either bulky or none bone bearing flaps. Furthermore, using free flaps for reconstruction can rise the concerns of increased intraoperative complications and greater suspected donor site morbidities. Here we present three unfavorably previously operated patients with current huge alveolar cleft palates, planned for the reconstruction with reverse facial-submental artery osteomyocutaneous flap. Besides, detailed flap harvesting technique, results, prosthetic restoration post to flap surgery, and follow up are presented in this article. We found the reverse facial- submental osteomyocutaneous flap as a novel and reliable choice for functional reconstruction of challenging huge alveolar cleft palates. The reverse facial-submental flap has not been yet mentioned in the medical literature for the reconstruction of alveolar clefts.
Majid Eshghpour, Sahand Samieirad, Zahra Shooshtari, Abdolrahim Shams, Nafiseh Ghadirimoghaddam,
Volume 12, Issue 1 (2-2023)
Abstract
Background: The provision of sufficient stability after maxillofacial surgery is essential for the reduction of complications and disease recurrence. The stabilization of osteotomized pieces results in rapid restoration of normal masticatory function, reduction of skeletal relapse, and uneventful healing at the osteotomy site. We aimed to compare qualitatively stress distribution patterns over a virtual mandible model after bilateral sagittal split osteotomy (BSSO) bridged with three different intraoral fixation techniques.
Methods: This study was conducted in the Oral and Maxillofacial Surgery Department of Mashhad School of Dentistry, Mashhad, Iran, from March 2021-March 2022. The mandible computed tomography scan of a healthy adult was used to generate a 3D model; thereafter, BSSO with a 3mm setback was simulated. The three following fixation techniques were applied to the model: 1) two bicortical screws, 2) three bicortical screws, and 3) a miniplate. The bilateral second premolars and first molars were placed under mechanical loads of 75, 135, and 600N in order to simulate symmetric occlusal forces. Finite element analysis (FEA) was carried out in Ansys software, and the mechanical strain, stress, and displacement calculations were recorded.
Results: The FEA contours revealed that stress was mainly concentrated in the fixation units. Although bicortical screws presented better rigidity than miniplates, they were associated with higher stress and displacement readings.
Conclusion: Miniplate fixation demonstrated the most favorable biomechanical performance, followed by fixation with two and three bicortical screws, respectively. Intraoral fixation with miniplates in combination with monocortical screws can serve as an appropriate fixation arrangement and treatment option for skeletal stabilization after BSSO setback surgery.
