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Epidemiological, Clinical and Radiographic Features of Supernumerary Teeth in Nonsyndromic Bosnian and Herzegovinian
Naida Hadziabdic1, Amila Haskic1, Aldin Mujkic2
1Department of Oral Surgery, Faculty of Dental Medicine with Clinics, University of Sarajevo, Sarajevo, Bosnia and Herzegovina.
Background:
Supernumerary teeth (ST) represent one of the most common developmental anomalies among humans.
Objective:
In this study, we set a goal to investigate ST prevalence in the Bosnian and Herzegovinian population along with characteristics and complications that ST can cause.
Methods:
This retrospective study was based on panoramic radiographs, CBCT images, and dental records. Analyzed ST characteristics were: type, morphology, location, eruption state, location in the arch, orientation, and associated clinical complications. Statistical analysis included univariate analysis and bivariate analysis using Fisher's exact test with a confidence interval of 95% (p<0.05).
Results:
On a sample of 10.237 patients, ST teeth appear in 100 patients with a prevalence of 0.98%. Out of 138 analyzed ST mesiodens was the most frequent (43.47%). The most common location of the ST was maxilla (77.53%). The majority of ST were impacted (90.5%) but with no complications (71.7%). There was statistically significant relationship (p<0.001) between the type of ST and location (mesiodens and distomolars were mostly found in the maxilla). The relationship between ST type and morphology was also statistically significant (p<0.001)-mesiodens was associated with conical morphology, parapremolar with supplementary, and distomolar with tuberculate morphology. The occurrence of ST-associated retention of adjacent teeth was correlated to the type of tooth (p<0.001).
Conclusion:
The present study found prevalence of ST in B&H population to be low. Although associated pathology was not high early diagnosis allows optimal patient management which reduces later complications.
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