If he has a bad smell in his mouth and is able to remove it, is it obligatory for him?

The questioner : If he is able to remove the smells from his mouth, for example, and then wears a mask or applies pleasant scents, is that obligatory for him?

The Shaykh : Yes, it is obligatory for him, because removing the obstacle is obligatory.

The presenter : Dindeng with us.

The Shaykh : Congregational prayer is obligatory for him because he is the one who leads the prayer. So if something occurs that removes the validity of the prayer, congregational prayer becomes obligatory for him.

The presenter : Present.