The reliability of microleakage studies using dog and bovine primary teeth instead of human primary teeth

Authors:

ABSTRACT

Aim

This was to investigate if dental restorations on human, dog and bovine primary teeth are equatable for
microleakage analysis, and the respective marginal adaptation deficiency in in vitro conditions.

Methods

In order to determine the level of microleakage in Class V polyacid-modified composite restorations of human, dog and
bovine primary teeth, samples were evaluated by dye-leakage method in sections of the inner area of the restorations.

Results

We found no leakage in 6 out of 10 (60) human restorations, in 7 out of 10 (70) of dog and in 7 out of 10 (70)
of bovine teeth. The levels of dye-microleakage were tested with Kruskal-Wallis one-way variant analysis method. The
relative leackage differences were not statistically significant among all species (p>0.05).

Conclusion

We concluded that
dog and bovine primary teeth might be suitable for in vitro studies instead of
human ones.

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