
I fitted a 20-year-old for a full set of dentures last year.
Not implants. Not a partial. A complete set, top and bottom, the kind I was trained to expect on patients in their seventies. By the time he sat in my chair, there was nothing left to save. Years of untreated decay had worked through enamel, then dentin, then the roots themselves, one tooth at a time, until removal was the only option left.
He had driven an hour to see me. Not because I am the best option nearby, but because I was the only dentist within an hour of his home in Columbus, Indiana who accepts Medicaid. That single fact tells you most of what you need to know about why he ended up in my chair at 20 instead of in a routine cleaning at 10.
The root causes are layered, and they compound each other
It would be easier if this were one problem. It is several, stacked on top of each other.
Access is the floor everything else sits on. In and around Columbus, Medicaid-accepting dental providers are thin on the ground. Patients regularly drive an hour or more just to find someone who will see them. When routine care requires that much effort, “routine” stops happening. Small problems do not get caught early. They get caught eventually, once they are no longer small.
Guidance gaps compound the access problem. Some of what I see is not just “couldn’t get there.” It is growing up without anyone modeling or teaching basic dental habits in the first place. A child who has never been taken to a dentist, never watched a parent floss, never been told why a cavity matters, does not arrive at 18 with the instinct to seek care on their own. That is not a judgment on any one parent. It is often a household stretched thin on more urgent things, or a household where oral health was never part of the picture to begin with.
Substance use accelerates the damage. In some of these cases, drug use, methamphetamine in particular, plays a direct role. It is well documented that meth causes severe, rapid tooth decay through a combination of dry mouth, teeth grinding, poor diet, and neglect of hygiene during active use. When substance use enters the picture on top of already-thin access and little early guidance, the timeline from healthy teeth to dentures can compress into just a few years.
None of these three causes acts alone. A patient with strong home guidance can usually absorb a bad access situation. A patient with good access can usually absorb a rough home situation. It is when all three stack, no nearby provider, no early guidance, and active substance use, that a 20-year-old ends up needing a full denture instead of a filling.
The missing piece: physicians and dentists rarely talk to each other
There is a fourth layer underneath all of this, and it is the one I think gets the least attention. A patient like this one almost certainly saw a physician at some point during those years, a well-child visit, an urgent care trip, a physical for school or work. Medical and dental care run on separate tracks, with separate records and separate training, so a physician can see a patient repeatedly without oral health ever entering the conversation, and a dentist can see the same patient without knowing what is happening on the medical or behavioral health side.
That gap matters most exactly where the other three causes overlap. A physician is often the first person to notice signs of substance use or an unstable home situation, long before a patient ever ends up in a dental chair. If oral health screening and dental referral were a routine part of that visit, the way vision or hearing screening is, a patient like this one could have been caught years earlier, by whichever provider saw him first.
What helps, at each layer
For the access gap:
- More Medicaid-accepting providers, through better reimbursement rates that make it financially viable for practices to take Medicaid patients in the first place
- Mobile dental units and school-based screening programs that bring care to smaller communities instead of requiring an hour’s drive
- Community health centers with dental services built in, not referred out
For the guidance gap:
- Dental education embedded in school health curricula, not left entirely to families to teach
- Home-visiting or WIC-adjacent programs that include basic oral health guidance for parents of young children, the same way they cover nutrition
- Free or low-cost first-visit programs aimed at removing the “I don’t even know where to start” barrier for young adults who never had a dental home growing up
For the substance-use layer:
- Screening for substance use as a normal part of a dental visit, with a real referral pathway to treatment, not just a note in the chart
- Coordination between dental providers and local addiction treatment and recovery services, so a denture consult can also be a door to recovery support
- Harm-reduction dental care that meets patients where they are, rather than requiring sobriety before treatment is offered
For the physician-dentist gap:
- A basic oral health check built into well visits and annual physicals, with a low-friction referral to a Medicaid-accepting dentist when something looks off
- Shared or interoperable records between medical and dental providers in the same community, so a physician flagging a substance use concern and a dentist flagging severe decay are not working from two disconnected pictures of the same patient
- Cross-training in primary care and dental education programs, so each side of a patient’s care team knows enough to recognize the other’s red flags, even if they are not the one treating them
What I want other clinicians and policymakers to take from this
A 20-year-old denture in a place like Columbus is not a one-off tragedy. It is what happens when access, guidance, substance use, and a disconnected medical-dental system line up in the same life. Fixing any one of them helps. Fixing all four, and getting physicians and dentists working from the same picture of a patient, is what keeps the next patient like him out of my chair before there is nothing left to save.
Sai Charan Pasupulet is a dentist.

