Health Minister David Clark is considering official advice on what dental care is provided to adults.

There are growing calls for free dental care for needy Kiwis as district health boards struggle with long queues at pain clinics and people turning up to emergency departments.

The Herald asked Clark's office for documents related to publicly funded dental care, including any discussion about possible changes to what's provided.

The Official Information Act response reveals Clark received a report from officials just before Christmas, titled Adult Dental Care and Oral Health Issues. It was withheld in full as the report is under