Publications by authors named "Mathangi Kumar"

11 Publications

  • Page 1 of 1

Bilateral Bell's palsy in a young female: a rare case report.

Med Pharm Rep 2021 Jan 29;94(1):118-120. Epub 2021 Jan 29.

Department of Oral Medicine and Radiology, Manipal College of Dental Sciences, Manipal, Manipal Academy of Higher Education, Manipal, Karnataka, India.

Bell's palsy is described as a type of facial paralysis, which is unilateral in 70% of the cases. Bell's palsy accounts for about 23% of bilateral facial paralysis. Here, we present a rare case of bilateral Bell's palsy in a 15-year-old female who developed sudden facial weakness with no associated symptoms. The patient was subjected to thorough clinical, laboratory, and necessary radiological investigations. As there was no conclusive evidence from any of the investigations, this could be a case of idiopathic bilateral Bell's palsy. This is the first ever case of bilateral Bell's palsy in a young female which has been reported in the Indian population.
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http://dx.doi.org/10.15386/mpr-1389DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7880067PMC
January 2021

Occupation-related musculoskeletal disorders among dental professionals.

Med Pharm Rep 2020 Oct 25;93(4):405-409. Epub 2020 Oct 25.

Department of Oral Medicine and Radiology, Manipal College of Dental Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India.

Background And Aim: Dentists are exposed to a wide range of work-related factors that may result in various occupational diseases of which musculoskeletal disorders (MSDs) are common. The purpose of this study was to determine the prevalence and distribution of MSDs among dental professionals of our institution and to compare the prevalence of MSDs among the various dental specialists.

Methods: A self-administered questionnaire, which included basic demographic details, work experience in dentistry, and work profile related questions along with the Standard Nordic Questionnaire, was administered to the study participants. Statistical analysis for the data obtained was performed using SPSS Version 16.0 (Chicago, SPSS Inc.). The chi-square test was applied to test the association between MSD and variables such as gender, designation, type of dentistry and usage of computers. The Mann Whitney U test was used to assess the relationship between MSD and age, experience, sick leave, number of patients attended per day. A p-value < 0.05 was considered significant.

Results: 151 subjects participated in the study, and the prevalence of MSD in the last 12 months among dental professionals was 58.3% (88 out of 151 subjects). The most common site affected by MSD was the neck (66.7%). Also, it was noted that among various dental specialists, the Endodontists suffered the maximum (88.02%) musculoskeletal pain. Fifty individuals (33.11%) suffered from pain in multiple sites.

Conclusion: Work-related musculoskeletal disorders and pain can be reduced through proper operator-patient positioning, taking adequate breaks between patients, maintaining good physical health through regular exercises.
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http://dx.doi.org/10.15386/mpr-1581DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7664727PMC
October 2020

Unilateral buccal space masses: a case series.

Med Pharm Rep 2020 Jul 22;93(3):310-313. Epub 2020 Jul 22.

Department of Oral Pathology and Microbiology, Manipal College of Dental Sciences, Manipal, Manipal Academy of Higher Education, Manipal, Karnataka, India.

The head and neck region consists of several potential tissue spaces that are formed by the fascial layer. The buccal space is an area of anatomic significance due to its small size and distribution of adipose tissue. Unilateral buccal space masses often pose a diagnostic challenge owing to the diversity of tissues in the area. Here, we report four such cases of buccal space masses arising from different tissues, which presented as unilateral buccal space swelling. This report also highlights the various causes and the differential diagnoses of unilateral buccal space masses.
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http://dx.doi.org/10.15386/mpr-1427DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7418832PMC
July 2020

Email and instant messaging applications as platforms for remote oral radiology consultation in maxillofacial fractures.

Oral Surg Oral Med Oral Pathol Oral Radiol 2021 Feb 22;131(2):241-246. Epub 2020 Jul 22.

Department of Oral Medicine & Radiology, Manipal College of Dental Sciences, Manipal, Manipal Academy of Higher Education, Manipal, Karnataka, India.

Objective: The present study aimed to test the reliability and diagnostic efficacy of the evaluation of radiographs transmitted by email and through instant messaging in the diagnosis of maxillofacial fractures.

Study Design: Screening of radiographs of 150 patients by a senior maxillofacial radiologist was performed as the gold standard method for the assessment of fractures by using a workstation monitor. The radiographs were sent to the Gmail accounts of 2 observers, who used their laptop computers to independently evaluate the radiographs for fractures. The same radiographs were sent to the smartphones of the observers via WhatsApp Messenger and were evaluated on the smartphone screens. Intra- and interobserver reliability, sensitivity, specificity, positive predictive value, negative predictive value, and accuracy were calculated.

Results: The reliability of the observers' diagnoses for both modalities ranged from 0.96 to 1.00 compared with the gold standard. Intra- and interobserver reliability ranged from 0.85 to 0.98. Measures of diagnostic efficacy ranged from 93.5% to 100% for images sent by Gmail and from 95.2% to 99.9% for radiographs transmitted through WhatsApp Messenger.

Conclusions: The present study demonstrated that email and instant messaging applications can be reliable tools for the assessment of maxillofacial fractures by radiologists located at remote sites.
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http://dx.doi.org/10.1016/j.oooo.2020.07.007DOI Listing
February 2021

Medication related osteonecrosis of jaw in a leukemia patient undergoing systemic arsenic trioxide therapy: A rare case report.

Oral Oncol 2019 12 26;99:104343. Epub 2019 Jun 26.

Department of Oral and Maxillofacial Surgery, Manipal College of Dental Sciences, Manipal, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India. Electronic address:

Osteonecrosis of the jaw is a potential side effect of certain pharmaceutical agents used in the field of medicine. Early diagnosis and effective management of this condition can be challenging to the clinicians. Bisphosphonates and other anti-angiogenic agents are the most common drugs that are attributed to cause medication-related osteonecrosis of the jaw. In the past, arsenic-based compounds were commonly used local agents for pulp devitalization therapy. Arsenic is also one of the components of the chemotherapeutic regimen in the management of refractory leukemia. Although local diffusion of the arsenic compounds is known to cause osteonecrosis, there are no reports of the same caused by its systemic administration. Here, we present the first ever case of mandibular bone necrosis in a patient with acute promyelocytic leukemia who underwent systemic arsenic trioxide therapy.
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http://dx.doi.org/10.1016/j.oraloncology.2019.06.024DOI Listing
December 2019

Efficacy of a remote screening model for oral potentially malignant disorders using a free messaging application: A diagnostic test for accuracy study.

Aust J Rural Health 2019 Apr 3;27(2):170-176. Epub 2019 Apr 3.

Department of Public Health Dentistry, Manipal College of Dental Sciences, Manipal Academy of Higher Education, Manipal, India.

Objective: To assess the feasibility of using a remote sensing model as a free messaging application tool in the preventive screening of oral potentially malignant disorders in a rural area of India.

Design: An observational cross-sectional study.

Setting: Primary care setting in Udupi District, Karnataka, South India.

Participants: One-hundred and thirty-one individuals with a mean (SD) age of 37.34 (11.31) years, of whom 64.1% and 35.9% were men and women, respectively.

Interventions: Clinical oral examination followed by photo capture of five areas of the patients' mouth.

Main Outcome Measures: Reliability measures for the use of a photo messaging service in diagnosing oral potentially malignant disorders, as compared to the clinical examination.

Results: When lesions were categorised as normal and abnormal, the reliability (kappa) between the diagnoses, based on photo messaging and clinical oral examination, was 0.68 and 0.67 for Examiners 1 and 2, respectively. The sensitivity values for Examiners 1 and 2 were 98.5% and 99.04%, respectively, whereas the specificity was 72% and 64%, respectively. When the agreement between photo messaging and clinical oral examination for an exact diagnostic match was assessed, the reliability (kappa) was 0.59 and 0.55 for Examiners 1 and 2, respectively. The sensitivity values for Examiners 1 and 2 were 98.1% and 98.7%, respectively, whereas the specificity was 64% and 52% respectively.

Conclusion: There was a substantial agreement between the diagnosis based on clinical examination and WhatsApp image for both the examiners, when the lesions were dichotomised as normal and abnormal, but slightly reduced when assessed for the exact diagnostic match. Screening for oral potentially malignant disorders using photo messaging can serve as an effective adjunct and a potential cost-effective tool in a low-resource setting.
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http://dx.doi.org/10.1111/ajr.12496DOI Listing
April 2019

Oral hygiene and dentition status in children and adults with hemophilia: A case-control study.

Spec Care Dentist 2018 Nov 26;38(6):391-394. Epub 2018 Sep 26.

Department of Oral Medicine and Radiology, Manipal College of Dental Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India.

Background & Objectives: People with hemophilia constitute a significant proportion of the population and an oral health care professional faces a considerable challenge while treating them. This study aimed to assess the oral health and dentition status as well as fear of dental treatment in patients with hemophilia and compare it with age-matched healthy subjects.

Patients & Methods: This single-center, case-control cross-sectional study was performed on 100 subjects with hemophilia and 100 age-matched healthy controls. Oral health and dentition status was recorded for all the subjects and scored using the simplified oral hygiene index (OHI-S), plaque index, and the dmft/DMFT index.

Results: There were a total of 41 children and 59 adults in the hemophilia group and 36 children and 64 adults in the healthy group. When compared to healthy subjects it was observed that individuals with hemophilia had higher debris and calculus scores which was indicative of poor orodental status. There was no significant difference observed in the DMFT scores among the study groups.

Interpretation & Conclusions: The oral hygiene of the hemophilics was poorer when compared to the healthy controls. The findings highlight the need for establishing interdisciplinary care for such individuals.
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http://dx.doi.org/10.1111/scd.12324DOI Listing
November 2018

Unusual neoplasm on the hard palate of a child: a case report.

J Med Case Rep 2017 Jun 2;11(1):149. Epub 2017 Jun 2.

Department of Pediatric Surgery, Kasturba Medical College, Manipal University, Manipal, 576104, Karnataka, India.

Background: Myoepitheliomas account for less than 1% of salivary gland tumors. They mostly affect the parotid glands of adults during the third to fifth decades.

Case Presentation: A 10-year-old Indian boy reported a small swelling in the roof of his mouth of 10 days' duration. History revealed that the lesion was painless and not associated with bleeding or pus discharge. On examination, a purplish well-circumscribed growth was noted on his posterior hard palate. Magnetic resonance imaging was suggestive of a well-encapsulated hemangioma. An excisional biopsy was performed and histopathology along with immunohistochemistry analysis showed that the lesion was a spindle cell variant of benign myoepithelioma.

Conclusion: Palatal myoepitheliomas are rare and their occurrence in young individuals is rarer.
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http://dx.doi.org/10.1186/s13256-017-1321-4DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5457591PMC
June 2017

Enhanced salivary secretion by interferential current stimulation in patients with dry mouth: a pilot study-a commentary.

Oral Surg Oral Med Oral Pathol Oral Radiol 2016 Oct 19;122(4):519-20. Epub 2016 Jul 19.

Professor and Head, Department of Oral Medicine and Radiology, Manipal College of Dental Sciences, Manipal University, Manipal, Karnataka, India.

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http://dx.doi.org/10.1016/j.oooo.2016.05.025DOI Listing
October 2016

Maxillary pseudotumor as initial manifestation of von Willebrand disease, type 2: report of a rare case and literature review-a commentary.

Oral Surg Oral Med Oral Pathol Oral Radiol 2016 Aug 24;122(2):259-60. Epub 2016 May 24.

Department of Oral Medicine and Radiology, Manipal College of Dental Sciences, Manipal University, Manipal, Karnataka, India.

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http://dx.doi.org/10.1016/j.oooo.2016.05.011DOI Listing
August 2016

Comments on "Cone beam computed tomography (CBCT) sialography-an adjunct to salivary gland ultrasonography in the evaluation of recurrent salivary gland swelling".

Oral Surg Oral Med Oral Pathol Oral Radiol 2016 Jul 1;122(1):111-2. Epub 2016 Apr 1.

Department of Oral Medicine and Radiology, Manipal College of Dental Sciences, Manipal.

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http://dx.doi.org/10.1016/j.oooo.2016.02.019DOI Listing
July 2016