Is it true that the argument between Damu Anna and Mavshibai happened because Anna had no teeth and couldn't speak clearly?

The provided text does not support this conclusion. While Chapter 24 mentions as a descriptive detail that Damu Anna 'had no teeth in his mouth,' it never links this fact to the cause of the quarrel. The argument is shown to have started when Mavshibai, while swaying during her service, brought her face close to Anna's and then jokingly accused him of trying to kiss her. Anna's response was one of anger at the accusation itself, as he says, 'You yourself put your face to my face and are ready to quarrel with me.' The conflict was based on this specific interaction, not on any difficulty in communication due to his lack of teeth.