1. Hypoptyalism can be caused by certain medications or medical conditions.
口腔分泌减少可以由某些药物或医疗状况引起。

2. Patients with hypoptyalism may experience difficulty in chewing and swallowing food.
患有口腔分泌减少的患者可能会在咀嚼和吞咽食物时感到困难。