Docking and charging station and filling operation for a hand-held oral cleaning device

A docking and charging station (100) for use in conjunction with a hand-held fluid droplet appliance (10) for dental cleaning, the docking and charging station (100) comprising a charging base (102) for recharging the hand-held fluid droplet appliance, a reservoir (110) for holding a larger amount of liquid (112) than can be held in a chamber of the hand-held fluid droplet appliance, and a docking refilling alignment mechanism for properly aligning and securing the hand-held fluid droplet appliance in the cradle (160) of the docking and charging station when the hand-held fluid droplet appliance is mounted into the docking and charging station to prevent spillage, leaking or non-refilling of the appliance from the reservoir if there is not proper alignment. 种对接和充电站(100)，与用于牙科清洁的手持式液滴装置(10)结合使用，该对接和充电站(100)包括：用于对手持式液滴装置再充电的充电基座(102)；储存器(110)，用于保持比能够在手持式装置的腔室中保持的液体量更大量的液体(112)；以及对接再填充对准机构，用于在手持式液滴装置安装在对接和充电站中时，将手持式液滴装置正确地对准和固定在对接和充电站的托架(160)中，以防止在没有正确对准的情况下装置的溢出、泄漏或不能从储存器再填充。