Must one clean one’s teeth on Shabbat before entering a public domain out of concern for the prohibition of carrying?

This source-based Torah study examines the question: Must one clean one’s teeth on Shabbat before entering a public domain out of concern for the prohibition of carrying? The canonical Hebrew article develops the issue through the weekly Torah portion and the sources cited there. This localized discovery layer preserves the question and the source identity; it does not add any new halakhic, medical, legal, scientific, historical, theological, or empirical ruling or claim beyond the canonical Hebrew source.