But advocates argue the current system is expensive in different ways. Emergency dental visits to hospitals, lost productivity from dental pain, and the long-term health consequences of untreated oral disease all carry costs. A preventive, universal system could reduce these expenses over time.

International comparisons offer context. Many European countries include dental care in their universal health systems, though coverage varies. Australia faces similar debates, with dental care remaining a gap in Medicare. New Zealand wouldn't be breaking entirely new ground.

The push for universal dental care also reflects broader tensions about New Zealand's welfare state. After decades of gradual erosion of public services, there's growing debate about which areas deserve reinvestment. Housing, mental health, and dental care all have advocates arguing their issue should be the priority.

The Te Tiriti dimension adds complexity and political weight. For some New Zealanders, framing healthcare around Treaty principles represents long-overdue recognition of partnership. For others, particularly those skeptical of New Zealand's increasing use of Māori frameworks in public policy, it raises concerns about differential treatment.

The National-led coalition government has been rolling back some Māori health initiatives, making the timing challenging for advocates. But the underlying health inequities remain, and they're not going away just because the political winds have shifted.

What's clear is that New Zealand's current dental care model isn't working for a significant portion of the population. Whether the solution is universal public provision under Te Tiriti principles, subsidized private care, or some hybrid approach remains contested.

But when people can't afford to smile, the health system has failed one of its basic functions. And that's a problem that needs fixing, regardless of which political framework gets you there.