Dental practices spend to generate leads. Many lose patients after the phone rings.

An orthodontic practice can buy more visibility.

It can invest in Google Ads, improve its search presence, advertise on social media, rebuild its website or hire an outside marketing agency. All of those efforts can put the practice in front of more prospective patients, and modern advertising platforms make the results appear remarkably measurable. A practice owner can see impressions, clicks, phone calls, form submissions and cost per lead, often almost in real time.

But none of those numbers is a new patient.

A prospective patient still has to contact the practice. Someone has to respond. An exam has to be scheduled. The patient has to show up. The consultation has to result in a clear clinical recommendation and, when treatment is appropriate, the patient or parent has to decide to proceed.

That distinction can get lost when marketing performance is viewed primarily through an advertising dashboard.

The American Dental Association has warned practices about precisely this problem. In its practice-management guidance, the ADA says some dental practices lose 30% to 50% of initial contacts from prospective patients. It suggests that a loss rate above 20% may indicate that the practice and its staff could benefit from additional training in handling those inquiries.

That does not mean the average American orthodontic practice loses half of its prospects. The ADA does not make that claim, and the figure should not be presented as a national average.

It does raise a more useful question: when a practice wants more new patients, does it actually need more leads, or does it need to do a better job with the opportunities it already has?

The Click Is Only the Beginning

Digital advertising has made the first part of patient acquisition unusually easy to count.

If a practice spends $5,000 on paid search, it can determine how many times an advertisement appeared, how many people clicked, how many called from an advertisement and how many submitted an online form. From those numbers, it can calculate a cost per click or cost per lead.

Those metrics are useful. They tell the practice something about the efficiency of the advertising.

They do not tell the practice whether the advertising created patients.

Consider two hypothetical campaigns. Campaign A generates 100 qualified inquiries at $40 each. Campaign B generates 50 at $80 each. Both campaigns cost $4,000, but Campaign A appears considerably better when measured by cost per lead.

Now suppose 15 of Campaign A's prospects ultimately begin appropriate treatment, while 20 from Campaign B do.

The conclusion changes. Campaign A cost approximately $267 per treatment start. Campaign B cost $200.

The example is deliberately simple, and the numbers are illustrative rather than industry benchmarks. But it demonstrates why cost per lead can be misleading when viewed in isolation.

A cheap lead that rarely becomes a patient can be expensive. A more expensive lead that frequently becomes an appropriate treatment start can be an excellent investment.

The relevant unit of measurement depends on what the practice is trying to accomplish.

For most orthodontists, that is not generating leads.

It is treating patients.

What Happens When the Phone Rings?

The ADA's guidance on prospective-patient inquiries is unusually practical.

It recommends that practices track the number of new-patient calls they receive and compare that number with the number of callers who actually schedule an office visit. The purpose is to identify how much patient interest disappears during the first direct interaction with the practice.

According to the ADA, some dental practices lose 30% to 50% of initial prospective-patient contacts. A loss rate greater than 20%, it says, may indicate that additional training would help the practice and its staff manage those calls more effectively.

There are many reasons a caller may not schedule. Some have little to do with the person answering the phone. The practice may not participate with the caller's insurance. The location may be inconvenient. Appointment availability may not fit the patient's schedule. The caller may simply be comparing several orthodontists and have no intention of scheduling with all of them.

But other causes are within the practice's control.

A call may go unanswered. A prospective patient may spend too long on hold. A voicemail may not receive a timely response. An online inquiry may sit untouched until the following day. The conversation may answer the caller's administrative questions without giving the person enough confidence to schedule.

For a practice investing heavily in patient acquisition, these are not merely front-desk issues. They are part of the economics of marketing.

If advertising successfully persuades someone to call, but the practice consistently fails to turn appropriate callers into scheduled exams, buying more advertising simply sends more people into the same weak process.

A Marketing Problem Can Actually Be an Operations Problem

Suppose an orthodontic practice spends $12,000 a month on marketing. Traffic increases. Calls increase. Form submissions increase. Treatment starts barely move.

It would be understandable to conclude that the marketing is not working.

That may be correct. The advertising may be reaching the wrong audience. The offer may be poorly positioned. The practice may be paying too much for low-intent traffic.

But several other explanations are possible.

Calls may be missed during busy periods. Online inquiries may receive slow responses. The next available consultation may be too far away. Too many patients may schedule but fail to appear. Treatment-ready patients may leave the consultation without making a decision. Financial arrangements may be poorly understood. Follow-up after an undecided consultation may be inconsistent.

Each problem produces a similar result: marketing activity increases without a proportional increase in treatment starts.

Only some of those problems are solved by changing the marketing.

The ADA makes this point in its own guidance on developing a dental marketing plan. Before attempting to generate additional business, it recommends that practices consider how much additional patient volume they can actually accommodate. It also warns that a marketing campaign can fail when internal systems, staffing and training are not prepared for the additional calls and patients it produces.

This creates an interesting paradox. A successful advertising campaign can make an operational weakness more visible.

If the front office handles 25 new-patient inquiries a week comfortably but becomes overwhelmed at 50, doubling demand may not double the number of new patients. It may instead produce longer hold times, more missed calls, slower follow-up and a less personal first interaction.

The advertising has succeeded in creating demand. The practice has failed to absorb it.

Orthodontic Patients Are Already Looking Online

There is little reason to believe that orthodontics suffers from a lack of digital consumer attention.

The American Association of Orthodontists operates a large Consumer Awareness Program intended to educate consumers about orthodontic treatment and the specialized training of orthodontists. During its 2025 fiscal year, from June 1, 2024 through May 31, 2025, the program reported 676 million advertising impressions, more than 16.7 million ad clicks and 15.4 million visitors to its consumer website.

The site recorded more than 19.4 million page views, while the AAO's Find an Orthodontist locator received 5.5 million visits.

The campaign used channels including Google Display, paid search, Bing, Facebook, Instagram and Reddit.

Those numbers are not advertising benchmarks for an individual orthodontic practice. The AAO is running a national awareness program with a scale and purpose very different from that of a private practice. Its click rates, traffic volumes and costs should not be used to predict what a local orthodontist can achieve.

What the figures do demonstrate is the scale of consumer engagement with orthodontic information online.

There are millions of people searching, clicking, researching and comparing.

For an individual practice, the question is not simply how to participate in that attention. It is how efficiently the practice turns the attention it receives into appropriate patient relationships.

A Lead Should Be Followed All the Way to Treatment

A more useful way to evaluate patient acquisition is to follow the same prospective patient through the entire journey.

The process begins with marketing spend and produces an inquiry. Some inquiries become scheduled exams. Some scheduled exams are completed. After clinical evaluation, some patients are ready for treatment while others appropriately enter observation or do not require treatment. Among treatment-ready patients, some ultimately start.

The resulting funnel looks roughly like this:

Marketing spend → qualified inquiry → scheduled exam → completed exam → treatment-ready patient → treatment start → collected patient value

Each transition tells the practice something different.

The first stage, from spend to inquiry, primarily measures the ability of marketing to generate interest. Inquiry to scheduled exam says something about lead quality, response speed, availability and the initial interaction with the practice. Scheduled to completed exams reveals cancellations and no-shows. Completed exams to treatment-ready patients is partly a clinical matter and should never be treated simply as a sales metric. Treatment-ready patients to starts brings the consultation, financial presentation, competitive alternatives and follow-up into the picture.

Only when these stages are connected can a practice see what its advertising is actually producing.

Cost Per Lead Is Not Cost Per Patient

Suppose an orthodontic practice spends $10,000 on a campaign and generates 200 qualified inquiries.

The cost per inquiry is $50.

Now follow those patients further.

If 140 schedule an exam, the marketing cost per scheduled exam is approximately $71. If 120 complete the exam, the cost per completed exam is approximately $83. Suppose that after appropriate clinical evaluation, 90 are considered ready for treatment and 54 ultimately start.

The marketing cost per treatment start is now approximately $185.

Nothing about the campaign changed. The practice still spent $10,000 and still generated 200 inquiries.

What changed was the definition of success.

Now consider the same $10,000 campaign producing the same 200 inquiries, but with a stronger process after the inquiry. Instead of 140 scheduled exams, 160 prospects schedule. Instead of 120 completed exams, 145 attend. After clinical qualification, 110 are treatment-ready and 70 start treatment.

The cost per treatment start falls to approximately $143.

The practice has generated 16 additional treatment starts without purchasing a single additional lead.

These figures are hypothetical. They are not intended as U.S. orthodontic benchmarks. Their value is simply that they expose something a cost-per-lead report cannot: conversion changes the economics of advertising even when advertising performance itself does not change.

There Is No Useful Universal Price for an Orthodontic Lead

Practice owners searching online for advertising benchmarks will find plenty of claims about what a dental or orthodontic lead “should” cost.

Those figures should be approached carefully.

The economics of an orthodontic lead depend on geography, competition, treatment mix, adult versus child patients, insurance participation, advertising channel, keyword intent, appointment availability and the practice's own conversion performance.

Even the definition of a lead varies.

One marketing company may count every form submission. Another may count phone calls over a certain duration. A third may exclude duplicates or people outside the service area. A practice may define a qualified lead as someone actively seeking an orthodontic consultation.

Comparing those figures as though they measure the same thing can create false precision.

There is also a more fundamental problem.

A $150 lead that becomes an appropriate $6,000 treatment case can be economically attractive. A $20 lead that never schedules produces no treatment revenue.

The cheapest lead is therefore not necessarily the best lead.

The more useful question is what it costs the practice to acquire an actual patient.

Patient Acquisition Cost Gets Closer to the Economics

At its simplest, patient acquisition cost is the amount spent on marketing divided by the number of new patients acquired from that investment.

For an orthodontic practice, the denominator can be defined more precisely as attributable treatment starts, provided the practice has sufficiently reliable attribution.

Suppose a practice spends $15,000 in a month and can reasonably attribute 50 treatment starts to those marketing activities. Its acquisition cost is $300 per start.

Whether $300 is good or bad cannot be determined from the number alone.

It has to be compared with the economics of the patients being acquired: treatment fees, collections, variable costs, capacity and ultimately the contribution those cases make to the practice.

This is why an orthodontist comparing a $300 acquisition cost with another practice's $200 acquisition cost may learn very little. The two practices may have different fees, treatment mixes, margins and conversion processes.

A benchmark can provide context.

The practice's own economics determine whether the investment makes sense.

The ADA Recommends Looking Beyond Leads

The idea of connecting marketing with actual patient outcomes is not simply a marketing theory.

The ADA's guidance for practices working with marketing consultants recommends reporting that extends well beyond impressions and clicks. Among the measures it suggests tracking are calls generated, callers who scheduled appointments, patients who kept those appointments, patients who accepted recommended treatment and return on investment.

Its separate guidance on calculating marketing ROI similarly focuses on the value of patients generated relative to the amount spent acquiring them.

In one ADA example for general dentistry, a hypothetical practice spends $10,000 a year on a marketing strategy, acquires 48 patients and assigns each new patient an annual value of $1,500. That creates $72,000 in annual patient value before the $10,000 marketing investment is deducted.

The example is not orthodontic and the $1,500 figure should not be used as a benchmark for an orthodontic patient.

The principle, however, is broadly applicable.

A marketing return cannot be calculated using only the money going out.

At some point, the practice has to measure the economic value coming back.

Advertising Is Only One Way Patients Arrive

There is another reason advertising attribution should be treated carefully: patients rarely live inside a marketing funnel as neatly as the reporting software suggests.

Orthodontics has historically relied heavily on referrals.

The AAO's 2024 Orthodontic Landscape Consumer Study found that a dentist recommendation remained the largest single primary reason consumers selected an orthodontist, cited by 28% of respondents. That figure had declined from 43% in 2021, suggesting a broader mix of influences on patient choice, but professional referrals remain important.

Patient referrals matter as well. So do reputation, organic search, social media, community visibility and simple familiarity with a local practice.

Those influences can overlap.

A parent may receive the orthodontist's name from a dentist, search for the practice several days later, click a paid advertisement, read Google reviews, visit the website, leave without calling and then return directly to the website the following week.

Which source acquired that patient?

The dentist referral clearly mattered. So did search. The advertisement may have helped. Reviews may have provided reassurance. The website may have completed the process.

A dashboard may assign the conversion to the final click or another attribution model.

The patient's actual decision was more complicated.

Measurement remains valuable. But practices should be cautious about confusing precise-looking attribution with perfect knowledge of why a patient chose them.

The Advertising Report Should Connect to the Practice

An orthodontist does not need to become an expert in paid search or attribution modeling. But the practice should be able to connect its marketing activity with the operational results that follow.

At minimum, it should know how much it spends by major channel, how many qualified inquiries each channel generates, how many of those prospects schedule exams, how many complete them, and how many appropriate patients ultimately start treatment.

That makes it possible to distinguish three very different situations.

A channel may generate too few qualified inquiries, suggesting a marketing problem.

It may generate plenty of good inquiries that fail to become scheduled exams, suggesting a conversion or operational problem.

Or it may generate prospects who schedule and attend but rarely become appropriate treatment starts, suggesting that the targeting, consultation process or patient mix deserves closer examination.

Without that connection, marketing and practice operations exist in separate reporting systems even though the patient experiences them as one continuous journey.

When More Advertising Is Exactly the Right Answer

None of this is an argument against advertising.

For a practice with available capacity, strong patient economics and a well-functioning new-patient process, additional advertising can be an entirely rational way to grow. In fact, improving conversion can make additional marketing more attractive because every future inquiry becomes more valuable.

If a practice once turned 20 of every 100 qualified inquiries into appropriate treatment starts and can responsibly increase that number to 30, the economics of buying the next 100 inquiries have changed.

The same advertising dollar can now produce more treatment.

That is why the question should not be whether a practice ought to focus on marketing or conversion.

The two are connected.

Marketing determines how many opportunities enter the practice. The quality of the practice's patient journey helps determine how much value is ultimately created from them.

A strong practice needs both.

Before Increasing the Budget, Look at What Already Happens

When growth slows, increasing the marketing budget is appealing because it is tangible. More money produces more impressions, more traffic and usually more leads. Those changes can be seen quickly.

Improving what happens after an inquiry can be less obvious. It may require examining missed calls, listening to how prospective patients are handled, reviewing appointment availability, understanding cancellations, measuring consultation outcomes and following undecided treatment-ready patients over time.

But that work can answer a question an advertising dashboard cannot:

Where are we actually losing prospective patients?

If the answer is at the top of the funnel because too few appropriate people know the practice exists, more or better marketing may be exactly what is needed.

If the answer is after those people have already made contact, purchasing more leads may simply make the existing leak larger.

The distinction matters because every prospective patient who reaches the practice represents something that has already been earned. Perhaps through an advertisement. Perhaps through years of reputation. Perhaps through a referring dentist, an existing patient or a combination of all three.

By the time the phone rings, the practice has already done something right.

The next question is whether it can carry that trust all the way through.

The Most Expensive Lead May Be the One You Already Paid For

Orthodontic practices should know what they spend to generate patient demand. They should know their cost per lead, understand which channels produce useful inquiries and hold marketing partners accountable for results.

But the measurement should not stop when a name enters the practice-management system.

A lead has little economic value simply because it exists.

Its value emerges when an appropriate prospective patient successfully moves through the practice, understands the treatment being recommended and decides to begin care.

That is why the most expensive lead is not necessarily the one that costs $100, $200 or even more to acquire.

It may be the prospect the practice already spent money to attract, who was ready to have a conversation —

and disappeared after the phone rang.

Data and Methodology

This article combines guidance and data from the American Dental Association and the American Association of Orthodontists because no single authoritative U.S. dataset follows orthodontic advertising expenditures from initial impression through inquiry, completed exam, treatment start and collected patient revenue.

The figures from different sources are therefore presented separately and are not combined to create a purported national orthodontic advertising or conversion benchmark.

ADA prospective-patient inquiry guidance: The ADA states that some dental practices lose 30% to 50% of initial prospective-patient contacts and identifies a loss rate above 20% as a possible indication that additional call-management training may be beneficial. The ADA does not present 30% to 50% as the average loss rate for U.S. dental or orthodontic practices.

ADA marketing measurement guidance: ADA practice-management materials recommend tracking metrics beyond inquiries, including calls, scheduled appointments, kept appointments, accepted treatment and return on investment. These are practice-management recommendations rather than orthodontic performance benchmarks.

AAO Consumer Awareness Program: Fiscal year 2025 covers June 1, 2024 through May 31, 2025. The AAO reported 676 million advertising impressions, more than 16.7 million ad clicks, 15.4 million consumer website visitors, more than 19.4 million page views and 5.5 million visits to its Find an Orthodontist locator. These are results from a large national AAO campaign and should not be used as advertising-performance benchmarks for individual orthodontic practices.

AAO 2024 Orthodontic Landscape Consumer Study: This research is used to provide orthodontic-specific context about patient selection and referrals. The AAO reported that dentist recommendation was the primary reason for orthodontist selection among 28% of consumers in 2024, compared with 43% in 2021.

Illustrative calculations: All examples involving hypothetical advertising spend, inquiries, scheduled exams, completed exams and treatment starts were created solely to explain the economics of conversion. They are not estimates of average U.S. orthodontic performance.

Important limitation

Reliable national figures for average orthodontic advertising spend, cost per qualified inquiry, cost per scheduled exam, patient acquisition cost and advertising return on investment are fragmented. Many published benchmarks come from marketing agencies using proprietary client data, and definitions of a “lead” differ considerably.

For that reason, this article intentionally does not present a commercial agency's client average as a national U.S. orthodontic benchmark.

Primary Sources

American Dental Association — Inquiries From Prospective Patientshttps://www.ada.org/resources/practice/practice-management/marketing_inquiriesprospectivepatients

American Dental Association — Create Your Marketing Plan: The Basicshttps://www.ada.org/resources/practice/practice-management/createmarketingplan_basics

American Dental Association — Measuring Marketing Successhttps://www.ada.org/resources/practice/practice-management/18_createmarketingplan_measuresuccess

American Dental Association — Calculating Return on Investmenthttps://www.ada.org/resources/practice/practice-management/21_createmarketingplan_calculateroi

American Dental Association — Working With Marketing Consultantshttps://www.ada.org/resources/practice/practice-management/20_createmarketingplan_marketingconsultants

American Association of Orthodontists — FY2025 Consumer Awareness Program Resultshttps://www2.aaoinfo.org/record-numbers-of-consumers-are-accessing-and-engaging-with-the-aao-online/

American Association of Orthodontists — 2024 Orthodontic Landscape Consumer Studyhttps://www2.aaoinfo.org/orthodontic-landscape-consumer-study-examines-patient-marketplace/

Last updated

August 2026