2013, Number 2
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Rev Odotopediatr Latinoam 2013; 3 (2)
Association between dental agenesis permanent teeth and malocclusion in a group of children
Medina AC, del Pozo R
Language: Spanish
References: 54
Page: 58-76
PDF size: 236.12 Kb.
ABSTRACT
Introduction: Dental agenesis is the most common
developmental anomaly in humans, frequently
associated with malocclusion with
functional consequences.
Purpose: The purpose
of this study is to determine the association
between dental agenesis and malocclusion in a
group of children from the Caracas Metropolitan
area in Venezuela.
Materials and methods:
1,188 panoramic radiographs and 648 sets of
orthodontic records, from healthy patients ages
5 to 18 years old were studied for agenesis of
permanent teeth, excluding third molars. Malocclusion
was diagnosed using Angle’s classification.
Descriptive analyses, as well as differences
between means and correlations were
performed, (Student t test, Pearson’s p=0.05,
odds ratio).
Results: Prevalence of dental agenesis
was 5.6%, (mean 1.64). Females were most
affected (1.44:1). The most affected teeth were
the second mandibular premolars (35.19%), followed
by the lateral maxillary incisors. Higher
prevalence of malocclusion was found in the
agenesis group (Class I 52%, Class II 31%, Class
III 17%) when compared to the control group
(Class I 77%, Class II 14%, Class III 9%). Significant
positive correlation was found between
increased number of affected teeth and Class
III malocclusion.
Conclusion: Prevalence and
distribution of dental agenesis were variable
between genders; being females most affected.
Correlation between number of affected teeth
and Class III maloclusión presented statistical
significance.
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