Publications by authors named "Farhad Ghorbani"

4 Publications

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The effects of orthognathic surgery on auditory function.

Maxillofac Plast Reconstr Surg 2021 Mar 25;43(1):11. Epub 2021 Mar 25.

Department of Oral and Maxillofacial Surgery, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran.

Background: Orthognathic surgery is widely used in treating functional and skeletal problems. Any surgical procedure could cause side effects.

Objectives: This study aimed to evaluate the potential changes in orthognathic surgery on the hearing function of patients.

Materials And Methods: Thirty-one orthognathic surgery candidates were recruited in this study. Patients underwent either single or double jaw surgery. Pure tone audiometry (PTA), tympanometry, and Eustachian Tube Dysfunction Test (ETFT) were performed postoperatively at 24 h, 6 weeks, and 6 months after surgery. Patients were tabulated based on the type of maxilla and mandibular surgical movements (vertical and horizontal).

Results: PTA evaluation, based on horizontal or vertical movements, did not show significant differences, although vertical movements resulted in less change in hearing threshold. In other words, no significant changes occurred in patients' hearing threshold after surgery. No significant difference was also observed between horizontal and vertical movements in the results of tympanometry. Negative changes were found in the results of ETFT in vertical movements, which returned to pre-surgery values in the final test.

Conclusions: The risk of minor changes in hearing function is probable during the first week after orthognathic surgery, but these negative changes will either totally fade or remain negligible. Patients gave informed consent preoperatively, and reassurance postoperatively is prudent.
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http://dx.doi.org/10.1186/s40902-021-00296-5DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7994494PMC
March 2021

The impact of COVID-19 pandemic on dental practice in Iran: a questionnaire-based report.

BMC Oral Health 2020 12 3;20(1):354. Epub 2020 Dec 3.

Department of Oral and Maxillofacial Surgery, Shiraz University of Medical Sciences, Shiraz, Iran.

Background: The highly contagious nature of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV2), besides the fact that dental procedures commonly generate blood and saliva droplets that could lead to the contagion have resulted in the closure of many dental clinics. In the present study, we aimed to evaluate the impact of coronavirus disease 2019 (COVID-19) pandemic on dental practice by conducting an online questionnaire among the Iranian dental practitioners and finding their perspectives on the subject.

Methods: This report is based on a questionnaire that was conducted among Iranian dentists. The survey included questions that evaluate the dentists' perceptions and attitudes toward the COVID-19 pandemic and its effect on their personal life, financial status, and the quality of dental services for patients.

Results: Overall, 240 dentists contributed to this study (214 general dentists and 26 specialists). The majority of the participants (n = 170, 70%) did not perform non-emergency procedures during the pandemic. The dental practitioners have suggested several strategies to decrease the risk of contagion, such as reducing treatment sessions (n = 90, 37%), strict triage of patients (n = 156, 64%), and using personal protective equipment (n = 108, 45%). However, most of the dentists (n = 210, 87%) had problems, providing personal protective equipment during the pandemic. Moreover, 97% (n = 234) of the participants reported that they encountered a decrease in their financial income since the eruption of the pandemic.

Conclusion: Dental health care workers are at the highest risk of contracting COVID-19. Thus, dental practitioners ought to execute the standard protocols more cautiously during the pandemic. They could also lower their work hours and limit dental procedures to emergency treatments to reduce the risk of COVID-19 transmission. Besides, the public organizations should provide proper equipment for the dental practitioners to decrease the risk of contagion.
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http://dx.doi.org/10.1186/s12903-020-01341-xDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7711254PMC
December 2020

Tapia's Syndrome after Cosmetic Malar Augmentation: a Case Report.

J Dent (Shiraz) 2019 Mar;20(1):66-69

Dept. of Oral and Maxillofacial Surgery, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran.

Tapia's syndrome is an infrequent complication of airway manipulation. It is usually due to an extra-cranial ipsilateral injury to the hypoglossal nerve and the recurrent laryngeal branch of the vagal nerve, which can happen after any surgery. It is usually characterized by unilateral paralysis of the muscle of the tongue and vocal cords although it can also occur bilaterally. We present a patient with postoperative unilateral hypoglossal and recurrent laryngeal nerves palsy that occurred after cosmetic malar augmentation for esthetic correction of the left cheek flatness with an uncomplicated transnasal intubation. We report the first case of Tapia's syndrome after porous polyethylene implantation for cosmetic cheek reconstruction. The patient was treated immediately after the diagnosis with 0.5mg dexamethasone for two weeks. After three months, the movements of the vocal cord and tongue movement started to improve and the patient's hoarseness fully recovered after six months.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6421320PMC
March 2019

Improvement of Esthetic, Functional, and Social Well-Being After Orthognathic Surgical Intervention: A Sampling of Postsurgical Patients Over a 10-Year Period From 2007 to 2017.

J Oral Maxillofac Surg 2018 11 9;76(11):2398-2403. Epub 2018 May 9.

Associate Professor of Anesthesiology, Department of Oral and Maxillofacial Surgery, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran. Electronic address:

Purpose: The objectives of this study were to evaluate the effect of orthognathic surgery on the long-term quality of life of patients who received this treatment and to delineate the common reasons for dissatisfaction.

Materials And Methods: In this retrospective cohort study, patients who underwent orthognathic surgery were studied. One hundred thirty-two patients who had undergone orthognathic surgery from 2007 to 2017 in the oral and maxillofacial surgery department participated in this study. They were divided based on their dentofacial deformity into those with Class II malocclusion and those with Class III malocclusion. Each participant completed a modified questionnaire used to assess the patient's esthetic, social, and functional abilities after orthognathic surgery.

Results: The rate of esthetic improvement in orthognathic surgery patients was 91.7%. No significant difference between male and female patients was found regarding the changes in social, esthetic, and functional aspects before and after orthognathic surgery. Both genders recommended orthognathic surgery for patients with similar problems. One in four patients was dissatisfied with the nasal appearance after the surgical procedure (25.8%).

Conclusions: In this study the patients' satisfaction from the orthognathic surgical procedure was mostly a result of improvements in facial esthetics, followed by psychological well-being and then functional abilities. Most dissatisfaction after the orthognathic surgical procedure was related to nasal appearance.
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http://dx.doi.org/10.1016/j.joms.2018.04.034DOI Listing
November 2018