Dental accounts receivable is the money your practice has earned but not yet collected. When a claim or a patient balance slips past ninety days, it gets harder to recover with every week that passes. This page explains what aged dental AR is, why the oldest bucket is the dangerous one, what causes it to pile up, and the exact steps to work it back down.
Last updated June 2026 · Reviewed by the PracticeAlpha billing team
Here is the short answer. Dental accounts receivable is everything owed to your practice for completed work, both from insurance payers and from patients. The reason a claim sitting past ninety days is a problem is simple: collectibility drops the longer a claim ages. Filing deadlines pass, patients forget the visit, and the older a dollar gets, the closer it sits to being written off.
To recover it, you pull the aging report, work the oldest and largest balances first, resubmit or appeal denied claims, call payers on claims that are stuck, and keep insurance AR separate from patient AR so each gets the right kind of follow-up. The rest of this page walks through each of those steps.
Every dollar you have earned but not yet been paid lives here. The age of that dollar tells you how worried to be.
Dental AR is the total amount owed to your practice for treatment that has already happened. Some of it is waiting on insurance. Some of it is waiting on patients. A crown was placed, a cleaning was done, the chair was filled, and the work was billed, but the cash has not landed yet. Until it does, that money sits in accounts receivable.
Your practice management software sorts that money into aging buckets based on how long each amount has gone unpaid. The common groups are current, thirty-one to sixty days, sixty-one to ninety days, and ninety plus. Reading those buckets is how you see the health of your revenue cycle at a glance.
The buckets matter because age and collectibility move in opposite directions. A claim in the current bucket is fresh and almost always collectible. The same claim, untouched for three or four months, is a different story. Some payers enforce timely filing windows, and once a claim ages past that window, it can be denied with no appeal. A patient balance that sits for a quarter goes cold as people simply forget they owe anything.
That is why the ninety-plus bucket is the one to watch. It is the closest thing to revenue walking out the door, and it is the part of your AR that needs attention first, not last.
Aged AR is rarely one large failure. It is a handful of small gaps that compound, month after month, until the oldest bucket is too big to ignore.
No consistent claim follow-up. Claims go out, and then nobody checks back. A claim can sit at the payer for weeks with no movement, and if no one is calling to find out why, it just ages. Submission is the easy part. The follow-up is where the money is actually recovered, and it is the part that gets dropped first when the front desk is busy.
Denials that are never worked. A denied claim is not a dead claim, but it becomes one if no one touches it. Many denials are correctable with a missing attachment, a corrected code, or a short appeal. When denials are set aside instead of reworked, they quietly drift into the ninety-plus bucket and eventually become write-offs.
No system for reading the aging report. If nobody opens the aging report on a regular schedule, problems stay invisible until cash flow tightens. The report is the early warning system. Without someone reading it every week or two, the ninety-plus bucket can grow for months before anyone notices.
Patient balances that get ignored. Insurance gets the attention because the dollar amounts are larger, so patient balances sit. Statements do not go out, calls are not made, and small balances add up across a whole patient base. Cold patient balances are some of the hardest money to chase, because the visit is a distant memory by the time anyone follows up.
Staff turnover. When a biller leaves, the work they were carrying does not move to someone else automatically. Follow-up stalls during the gap, the backlog grows, and aged claims can time out before a replacement is up to speed. One departure can age a whole quarter of AR.
Not sure how much of your AR is sitting past ninety days? We will pull your aging report and show you exactly where your money is stuck and how much of it is still recoverable.
Get a free AR analysisThere is no shortcut, but there is an order. Work these five steps in sequence and the oldest bucket starts shrinking.
Start by running the aging report in your practice management software. Look at how your total AR splits across the buckets and find the dollars sitting in ninety plus. You cannot recover what you have not looked at, so this is always the first move.
Sort by age and by dollar amount, then start where the two overlap. The oldest, largest balances are closest to write-off and worth the most, so they earn the first hour of attention. Chasing small, recent balances first feels productive but leaves the real money aging.
Pull every denial in the aged buckets and find out why each one was rejected. Many are fixable with a corrected code, a missing X-ray or narrative, or a formal appeal. As long as the claim is still inside the timely filing window, a clean resubmission can turn a denial back into a payment.
Some claims are not denied, just stalled with no status. The portal will not always tell you why. Call the payer, confirm they received the claim, and ask what is holding it. A single phone call often unsticks a claim that would have aged for another month on its own.
The two need different handling. Insurance AR is worked through resubmissions, appeals, and payer calls. Patient AR is worked through statements, reminders, and clear calls about what is owed. Mixing them together hides which side is actually leaking, so split the report and follow up on each on its own track.
The pattern that works is steady, not heroic. A focused stretch of work clears a backlog, but only consistent weekly follow-up keeps the ninety-plus bucket from filling back up. If you want a deeper look at the full recovery workflow, our claims and AR recovery process is built around exactly these steps.
There is no single magic number that fits every practice, because payer mix, fee schedules, and patient volume all shift the picture. What does hold across practices is the shape of healthy AR. The bulk of your money should sit in the current or under-thirty-day bucket, where claims are fresh and almost everything still collects.
From there, the buckets should taper. The thirty-to-sixty and sixty-to-ninety groups should be smaller, and the ninety-plus bucket should be a small share of the total, not a growing pile. When the oldest bucket is climbing month over month, that is the clearest sign claims and balances are not being worked quickly enough.
The most useful benchmark is your own history. Pull the aging report on the same schedule each month and watch how the buckets move. A ninety-plus share that holds steady or shrinks means your follow-up is keeping pace. A share that creeps upward means work is being added faster than it is being cleared. You do not need an industry chart to read that trend. You just need to look at the same report on a regular cadence.
If you want the wider context for how AR fits into the rest of your billing, our overview of dental revenue cycle management shows where collections, denials, and follow-up connect into one process.
Recovering old AR is exactly the kind of work that gets dropped inside a busy practice, because it is detailed, repetitive, and never urgent until it is a crisis. That is the gap we fill. We work your aged buckets as a dedicated process, not a spare-time task.
We start by pulling and reading your aging report, then we go after the oldest and largest balances first, because that is where the recoverable money sits. Denied claims get reworked and appealed with the right documentation. Stuck claims get payer calls until they move. Insurance AR and patient AR are tracked separately so each is followed up the right way and nothing hides behind a blended number.
Because we run as a team rather than a single biller, the follow-up does not stop when someone is out, and there is no backlog forming while a seat sits empty. You also get monthly reporting, so you can watch your ninety-plus bucket shrink instead of guessing at it. You can start with focused claims and AR recovery if the backlog is the immediate problem, or full revenue cycle management if more than one part of your cycle is leaking.
The honest version is that some aged claims are past saving, and we will tell you which ones. The rest is recoverable money that is just sitting there, and getting it back is the whole point.
Dental accounts receivable, or dental AR, is the money owed to your practice for work already done but not yet paid. It includes claims sitting with insurance payers and balances owed by patients. Most practice management systems group AR into aging buckets, usually current, 31 to 60 days, 61 to 90 days, and 90 plus, so you can see how old each unpaid dollar is.
The longer a claim or balance sits unpaid, the harder it is to collect. Claims that age past timely filing deadlines can be denied outright, patient balances grow cold as people forget the visit, and stalled claims signal that something went wrong and was never fixed. Money in the 90 plus bucket is closest to being written off, so it needs attention first.
The usual causes are no consistent claim follow-up, denials that are never worked or appealed, no system for reading the aging report, patient balances that get ignored, and staff turnover that leaves the work unattended. Most aged AR is not one big mistake. It is small gaps that compound month after month until the oldest bucket grows.
Pull and read your aging report, then work the oldest and largest balances first since they are closest to write-off. Resubmit or appeal denied claims with the right documentation, call payers directly on claims that are stuck with no status, and separate insurance AR from patient AR so each gets the right kind of follow-up. Steady, organized work recovers more than occasional bursts.
In a healthy practice the bulk of AR sits in the current or under 30 day bucket, and the 90 plus bucket is a small share of the total. The exact target depends on your payer mix and patient volume, so compare your own buckets month over month. If the 90 plus share is climbing, claims and balances are not being worked fast enough.
Often yes, but it depends on why it aged. Claims still inside the timely filing window can be resubmitted or appealed, and stuck claims can be pushed once you reach the payer. Claims that have passed the filing deadline are usually lost. That is why aged AR should be worked promptly rather than left to sit, since every week reduces what is recoverable.
Free AR analysis. We pull your aging report, show you how much is sitting past ninety days, and tell you honestly how much of it can still be collected. 30 minutes. No commitment.