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Prevalence And Patterns Of Third Molar Agenesis Among Three Major Ethnic Groups In Malaysia And Its Association With Agenesis Of Other Teeth

    Authors

    • Dr. Ramesh Kumaresan 1
    • Dr. Navaneetha Cugati 2
    • Dr. Priyadarshini Karthikeyan 3
    • Dr. Neeraja Turagam 4
    • Dr Ravi Shankar Babu Y 5
    • Dr. Durga Prasad Mudrakola 6
    • Dr. Mandava Deepthi 7

    1 Associate Professor, Faculty of Dentistry, AIMST University, Malaysia

    2 Professor, Dept of Pedodontics and Preventive Dentistry,Coorg Institute of Dental Sciences, Karnataka,India;

    3 Lecturer, Department of Oral Medicine and Radiology,Faculty of Dentistry, AIMST University, Malaysia

    4 Senior Lecturer, Faculty of Dentistry, AIMST University, Malaysia

    5 Senior Lecturer, Faculty of Dentistry, AIMST University, Malaysia.

    6 Associate Professor, Department of Periodontology,AIMST University, Faculty of Dentistry, Malaysia;

    7 Associate Professor, Department of Conservative Dentistry &Endodontics,AIMST University, Faculty of Dentistry, Malaysia.

,

Document Type : Research Article

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Abstract

Background: The third molar (M3) tooth is of clinical interest to different specialties in dentistry. Being the last tooth to develop in the human dentition it is also the most commonly malformed teeth. The agenesis of the third molars is linked to the evolution and growth of the human jaw and is also associated with other dental anomalies and has significance from evolution point of view.
Objective:The objective of this study was to establish the prevalence and distribution of M3 agenesis among the three major ethnicities of Malaysian population and to evaluate its association with hypodontia of other teeth.
Materials & Methods:Panoramic radiographs of 1514 Malaysian children were examined for the presence or absence of M3 and other class of teeth. The frequency of M3 agenesis was calculated by ethnic group, gender, tooth location along with its association with hypodontia of other teeth. Comparison between groups was done using the Chi-square test at a level of significance of 0.05
Results:The prevalence of one or more M3 agenesis in Malaysian population was 20.1%. The prevalence of M3 agenesis was highest among the Malaysian Malays (22.6%) compared to the Chinese (21.3%) and Indians (17.2%). Agenesis of M3 showed an overall greater predilection for the maxillary arch (21%) than the mandibular arch (17.1%). Patients with M3 agenesis were more prone to have hypodontia of other teeth (15.36%) when compared to patients who have third molars (4.06%).
Conclusion:Malaysian Malays and Chinese had a higher prevalence of M3 agenesis than Malaysian Indian. Hypodontia of other teeth was more prevalent in patient with M3 agenesis, hence, proving an inter-relationship between M3 agenesis and hypodontia among other class of teeth.

Keywords

  • Dental agenesis
  • third molar agenesis
  • ethnic variations
  • Hypodontia
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European Journal of Molecular & Clinical Medicine
Volume 7, Issue 7
November 2020
Page 5235-5254
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  • Article View: 268
  • PDF Download: 356

APA

Kumaresan, D. R., Cugati, D. N., Karthikeyan, D. P., Turagam, D. N., Y, D. R. S. B., Mudrakola, D. D. P., & Deepthi, D. M. (2020). Prevalence And Patterns Of Third Molar Agenesis Among Three Major Ethnic Groups In Malaysia And Its Association With Agenesis Of Other Teeth. European Journal of Molecular & Clinical Medicine, 7(7), 5235-5254.

MLA

Dr. Ramesh Kumaresan; Dr. Navaneetha Cugati; Dr. Priyadarshini Karthikeyan; Dr. Neeraja Turagam; Dr Ravi Shankar Babu Y; Dr. Durga Prasad Mudrakola; Dr. Mandava Deepthi. "Prevalence And Patterns Of Third Molar Agenesis Among Three Major Ethnic Groups In Malaysia And Its Association With Agenesis Of Other Teeth". European Journal of Molecular & Clinical Medicine, 7, 7, 2020, 5235-5254.

HARVARD

Kumaresan, D. R., Cugati, D. N., Karthikeyan, D. P., Turagam, D. N., Y, D. R. S. B., Mudrakola, D. D. P., Deepthi, D. M. (2020). 'Prevalence And Patterns Of Third Molar Agenesis Among Three Major Ethnic Groups In Malaysia And Its Association With Agenesis Of Other Teeth', European Journal of Molecular & Clinical Medicine, 7(7), pp. 5235-5254.

VANCOUVER

Kumaresan, D. R., Cugati, D. N., Karthikeyan, D. P., Turagam, D. N., Y, D. R. S. B., Mudrakola, D. D. P., Deepthi, D. M. Prevalence And Patterns Of Third Molar Agenesis Among Three Major Ethnic Groups In Malaysia And Its Association With Agenesis Of Other Teeth. European Journal of Molecular & Clinical Medicine, 2020; 7(7): 5235-5254.

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