Ex vivo measurements of tooth length in Nepalese population

Keshav RajPoudel, Umesh Parajuli, Alok Jaiswal, Manish Bajracharya


Introduction: To know the measurement of tooth/root length is of great importance in endodontics.
Objectives: Present study aimed to observe the vertical dimensions of extracted teeth in Nepalese population.
Materials and Methods: Five hundred twenty three extracted permanent teeth from Bir Hospital and different dental clinics in Kathmandu were collected and the length of the teeth was measured by using digital caliper. Data were expressed in Mean±SD and one sample t test was used to find out the difference from the data in the literature. Level of significance was set at ≤5%.
Results: Vertical dimensions of Nepalese teeth showed 0.5 to 6 mm less in measurement than the previous studies in the literature and the difference was statistically significant.
Conclusion: Nepalese population showed shorter tooth lengths than the data available in the literature. However, this finding should be substantiated with larger sample size with focus on individual tooth in detail.


dental anthropology, human dentition, morphologic variation, nepal, tooth length

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