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ORIGINAL RESEARCH Table of Contents   
Year : 2013  |  Volume : 24  |  Issue : 4  |  Page : 406-410
Prevalence of dentofacial abnormalities in children and adolescents with β-thalassaemia major

Department of Pedodontics and Preventive Dentistry, Ragas Dental College and Hospital, Chennai, Tamil Nadu, India

Correspondence Address:
Arun Elangovan
Department of Pedodontics and Preventive Dentistry, Ragas Dental College and Hospital, Chennai, Tamil Nadu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0970-9290.118360

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Background: β-thalassaemia major is a hereditary hemolytic anemia and the patients often experience growth retardation, protrusive maxilla, and depressed nasal bride leading to various degrees of malocclusion. Aim: The purpose of this investigation is to find the prevalence of dentofacial abnormalities in β-thalassaemia major patients. Subjects and Methods: Seventy-two patients between 6 and 18 years of age diagnosed with β-thalassaemia major were examined for extraoral abnormalities, malocclusion, oral hygiene, and dental caries. Data obtained were tabulated and statistically analyzed using Chi-square and paired t-test. Results: Thirty-nine (54.2%) were males and 33 (45.8%) were females. Prominent extraoral abnormalities were found in 41 (56.9%) of the individuals. Study population predominantly had class I occlusion (59.7%) followed by class II occlusion (23.6%) and no class III occlusion. Mean oral hygiene index-simplified score was 2.43 ± 1.24, mean decayed missing filled teeth (DMFT) score was 7.10 ± 3.92, and deft was 5.68 ± 3.12. Conclusion: Despite starting regular blood transfusion at an early age, β-thalassaemia major patients showed marked facial abnormalities. When compared with individuals with no systemic disease, oral hygiene status was similar, but the caries experience was higher in β-thalassaemia major patients. Therefore, emphasis to educate these patients in the prevention and control of dental caries and maintenance of good oral hygiene should be considered.

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