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To close or obstruct.

ob′tu·ra′tion n.
References in periodicals archive ?
In the present study, coronal microleakage was evaluated and compared in three different groups, the samples in each of which had been obturated using a different technique in the apical 5 mm of the root canal.
37) The Activ GP obturation system is no exception, especially when ovoid shaped canals are obturated.
And especially in that part of the cava which is next to the obturated iliac, a layer of almost stagnating blood will develop.