The following points should be fully considered when designing the name of the dental public welfare card voucher:

1. Highlight the dental characteristics: the name of the card voucher should be directly related to dentistry, so that people can know at a glance that the card voucher is related to dentistry. For example, words such as "dental care", "whitening teeth" and "dental examination" can be used.

2. emphasize the nature of public welfare: the card voucher is of a public welfare nature and needs to be displayed in the name, so that people can see it at a glance. Words such as "public welfare", "charity" and "donation" can be used.

3. concise and easy to remember: names should be concise and easy to remember. You can use short and charming words or phrases. Avoid using long or complicated names.

4. Brand-related: If you have a specific dental institution or brand background, you can consider combining the brand name or characteristics with the name to increase the recognition and brand relevance.

Based on the above points, you can consider some card voucher names similar to the following:

1. Smiling Public Welfare Voucher

2. Tooth Care Charity Voucher

3. Bright Smile Donation Voucher

4. Caring Dental Discount Voucher

5. Action Voucher with Beautiful White Teeth <