Humana One dental plans generally allow members to receive preventive dental services once every six months. This includes services such as routine examinations, cleanings, and sometimes x-rays, which are essential for maintaining oral health. It is important to be aware that the specifics can vary based on the particular dental plan you select. Different plans may have different coverage limits, so reviewing the details of your specific Humana One dental plan is advisable to understand the exact frequency allowed for preventive services. Members often find it useful to refer to the plan documentation or visit the official Humana website for more insights about their coverage. For additional questions or specific clarifications, checking the current web page may provide further resources.