E-ISSN 1658-8223 | ISSN 1658-645X
 

Original Article 


Prevalence and pattern of mandibular third molar impaction: A 4-year retrospective study of cases seen at a tertiary hospital in Nigeria

Adelusi Emmanuel Adetolu, Ugbodaga Philip Ibukun, Edun Timothy Olayinka, Edomwonyi Augustine Ikponmwosa, Ayoola Ayodeji Samson, Anjolajesu Seun Ojombo.


Abstract
Background and Aims:
This descriptive retrospective study aimed to determine the prevalence and patterns of mandibular third molar impaction treated between 2020 and 2023 at a tertiary hospital in Nigeria.

Methods:
Cases of mandibular third molar impaction in individuals aged 20 years and above who presented at the oral and maxillofacial clinic were reviewed. Data analysis was conducted using IBM SPSS version 23, with statistical significance set at a 5% level (p < 0.05).

Results:
The age distribution revealed that the majority of respondents (52.1%) were within the 20–30 age group, while the lowest frequency (0.7%) was observed in the 61–70 age group. Females exhibited a higher prevalence of impacted mandibular third molars (65.8%). Mesioangular (38.3%) and vertical (37.7%) impactions were identified as the most common patterns of mandibular third molar impactions.

Conclusion:
Mesioangular and vertical impactions were the most prevalent patterns observed. While no association was found between impaction patterns and gender, a significant relationship was noted between impaction patterns and age.

Key words: Impacted, mandibular, third molar, prevalence, pattern


 
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How to Cite this Article
Pubmed Style

Adetolu AE, Ibukun UP, Olayinka ET, Ikponmwosa EA, Samson AA, Ojombo AS. Prevalence and pattern of mandibular third molar impaction: A 4-year retrospective study of cases seen at a tertiary hospital in Nigeria. Majmaah J Heal Sci. 2026; 14(1): 159-176. doi:10.5455/mjhs.2026.01.012


Web Style

Adetolu AE, Ibukun UP, Olayinka ET, Ikponmwosa EA, Samson AA, Ojombo AS. Prevalence and pattern of mandibular third molar impaction: A 4-year retrospective study of cases seen at a tertiary hospital in Nigeria. https://www.mjhs-mu.org/?mno=239848 [Access: January 17, 2026]. doi:10.5455/mjhs.2026.01.012


AMA (American Medical Association) Style

Adetolu AE, Ibukun UP, Olayinka ET, Ikponmwosa EA, Samson AA, Ojombo AS. Prevalence and pattern of mandibular third molar impaction: A 4-year retrospective study of cases seen at a tertiary hospital in Nigeria. Majmaah J Heal Sci. 2026; 14(1): 159-176. doi:10.5455/mjhs.2026.01.012



Vancouver/ICMJE Style

Adetolu AE, Ibukun UP, Olayinka ET, Ikponmwosa EA, Samson AA, Ojombo AS. Prevalence and pattern of mandibular third molar impaction: A 4-year retrospective study of cases seen at a tertiary hospital in Nigeria. Majmaah J Heal Sci. (2026), [cited January 17, 2026]; 14(1): 159-176. doi:10.5455/mjhs.2026.01.012



Harvard Style

Adetolu, A. E., Ibukun, . U. P., Olayinka, . E. T., Ikponmwosa, . E. A., Samson, . A. A. & Ojombo, . A. S. (2026) Prevalence and pattern of mandibular third molar impaction: A 4-year retrospective study of cases seen at a tertiary hospital in Nigeria. Majmaah J Heal Sci, 14 (1), 159-176. doi:10.5455/mjhs.2026.01.012



Turabian Style

Adetolu, Adelusi Emmanuel, Ugbodaga Philip Ibukun, Edun Timothy Olayinka, Edomwonyi Augustine Ikponmwosa, Ayoola Ayodeji Samson, and Anjolajesu Seun Ojombo. 2026. Prevalence and pattern of mandibular third molar impaction: A 4-year retrospective study of cases seen at a tertiary hospital in Nigeria. Majmaah Journal of Health Sciences, 14 (1), 159-176. doi:10.5455/mjhs.2026.01.012



Chicago Style

Adetolu, Adelusi Emmanuel, Ugbodaga Philip Ibukun, Edun Timothy Olayinka, Edomwonyi Augustine Ikponmwosa, Ayoola Ayodeji Samson, and Anjolajesu Seun Ojombo. "Prevalence and pattern of mandibular third molar impaction: A 4-year retrospective study of cases seen at a tertiary hospital in Nigeria." Majmaah Journal of Health Sciences 14 (2026), 159-176. doi:10.5455/mjhs.2026.01.012



MLA (The Modern Language Association) Style

Adetolu, Adelusi Emmanuel, Ugbodaga Philip Ibukun, Edun Timothy Olayinka, Edomwonyi Augustine Ikponmwosa, Ayoola Ayodeji Samson, and Anjolajesu Seun Ojombo. "Prevalence and pattern of mandibular third molar impaction: A 4-year retrospective study of cases seen at a tertiary hospital in Nigeria." Majmaah Journal of Health Sciences 14.1 (2026), 159-176. Print. doi:10.5455/mjhs.2026.01.012



APA (American Psychological Association) Style

Adetolu, A. E., Ibukun, . U. P., Olayinka, . E. T., Ikponmwosa, . E. A., Samson, . A. A. & Ojombo, . A. S. (2026) Prevalence and pattern of mandibular third molar impaction: A 4-year retrospective study of cases seen at a tertiary hospital in Nigeria. Majmaah Journal of Health Sciences, 14 (1), 159-176. doi:10.5455/mjhs.2026.01.012





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