KUMJ | VOL. 14 | NO. 2 | ISSUE 54 | APR-JUN. 2016
Eruption Pattern of Dentition and Its Medico-legal SignificanceAbstract:
The eruption pattern of temporary and permanent teeth are fairly constant with
the growing age. So the age determination of an individual by examination of teeth
is one of the accepted methods in legal system. A review of the literature shows
there are differences in eruption pattern between different populations mainly due
to variations in the constitutions and environment, so highlighting the importance of
this study to the Nepalese population.
To assess the eruption age of temporary and permanent teeth in Nepalese population
and compared the eruption age with other groups.
This cross-sectional study, included 450 subjects, aged between six months to 25
years selected by simple random sampling method. The determinant variable such
as age and number of teeth was recorded.
Eruption of temporary and permanent teeth is slightly delayed in Nepalese population
compared with others. First temporary tooth to erupt is lower central Incisor at
around eight months and last to erupt is second molar at around 28 months. For
permanent tooth, first molar erupts at around seven years and second molar erupts
by 14 years. Eruption of third molar (wisdom tooth) varies from 18 to 25 years.
This study provides a model data on eruption age of teeth which is first study of
its kind in Nepal. The findings of this study will help as a reference data for optimal
use in clinical, academic and research activities especially in Nepalese population.
Medico legally it helps in estimation of age along with other parameters.Keyword :
Age, eruption, permanent teeth, temporary teeth.