ORIGINAL ARTICLE
Year : 2018  |  Volume : 10  |  Issue : 2  |  Page : 86-95

A Study on Drug-Induced Tardive Dyskinesia: Orofacial Musculature Involvement and Patient’s Awareness


1 Affiliated to Sri Balaji Vidyapeeth, Department of Psychiatry, Shri Sathya Sai Medical College and Research Institute, Kanchipuram, Tamil Nadu, India
2 Marundeeshwara Oral Pathology Services and Analytics; Department of Oral and Maxillofacial Pathology, Ragas Dental College and Hospital, Affiliated to the Tamil Nadu Dr. M.G.R. Medical University, Chennai, Tamil Nadu, India
3 Department of Neurology, Gleneagles Global Health City, Chennai, Tamil Nadu, India
4 Department of Oral and Maxillofacial Pathology, Ragas Dental College and Hospital, Affiliated to the Tamil Nadu Dr. M.G.R. Medical University, Chennai, Tamil Nadu, India

Correspondence Address:
Prof. Rooban Thavarajah
Marundeeshwara Oral Pathology Services and Analytics, B-1, Mistral Apartments, Wipro Street, Sholinganallur, Chennai 600119, Tamil Nadu
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jofs.jofs_82_18

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Aim and Objective: Schizophrenia is a psychiatric disorder that requires long-term treatment. Long-term antipsychotic treatment is often associated with the emergence of tardive dyskinesia (TD), the severity of which is measured by Abnormal Involuntary Movement Scale (AIMS). This study examined the relationship among TD, orofacial musculature activity, and patient’s awareness of Abnormal Involuntary Movement (AIM). The knowledge would help dentists to deliver oral care for schizophrenics with TD. Materials and Methods: We identified 317 patients from a standard, data sharing initiative, of whom 38.3% exhibited AIM score of 2 to 15. The patient demographics, drug history, details of AIMS were subjected to descriptive and inferential statistical analysis using SPSS with P ≤ 0.05 as significance. Results: The mean of only orofacial features (n = 56) was 3.43 ± 2.68. Muscles of facial expression was involved in nine (7.9% of all TD), lip/perioral area in 27 (23.68%), jaw in 52 (45.61%), and tongue in 77 (67.54%). The patient’s perception of AIM precipitated stress when involving jaw, tongue, limbs, and trunk was statistically significant (P ≤ 0.05). The multiple regression model statistically significantly predicted TD for factors considered. Conclusion: Around 1% of global population is being diagnosed with schizophrenia, carry an inherent risk of developing TD. They might have orodental care requirements, including prosthodontic and restorative services. Primary physicians and dentists need to be aware of TD and its mechanism for appropriate patient management.


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