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Should you hire an in-house orthodontist for your clear aligner cases?
If most of your aligner patients are adults, an in-house orthodontist rarely pays off. Here is what we have seen in practices and DSOs, and the alternative for general dentists.
Jesper Hatt DDS
13 minutes ago6 min read


Why adult arch expansion with clear aligners is a case selection decision
A woman in her forties, a narrow upper arch, and a setup that shows 4 mm more width across the premolars. In an adult the midpalatal suture is fused, so that width cannot come from the bone opening. It has to come out of the alveolus you already have. How to tell a dental transverse problem from a skeletal one, when to bring in skeletal anchorage, and why expanded arches go looking for home.
Jesper Hatt DDS
Aug 276 min read


The most dangerous aligner mistake is usually the one you can't see
It's after 6 p.m., the setup looks fine, and still you pause. That hesitation is often your best clinical instinct. Here's what a second clinician catches before you press Approve.
Jesper Hatt DDS
Aug 133 min read


Why does deep-bite intrusion fall short of the plan?
Your software plans 3 mm of intrusion. The patient achieves 1.7 mm.
A 2026 systematic review found that clear aligners typically deliver only 50-60% of planned lower incisor intrusion in deep-bite cases. The movement is real. The predictability gap is real too.
This article explores what that means for case selection, treatment planning and why many deep-bite refinements can be predicted before the first aligner is delivered.
Jesper Hatt DDS
Jul 314 min read


Clear aligners vs fixed appliances: what a 2025 meta-analysis tells us about case selection
Every general dentist hears the same question at consultation: can you treat me with aligners, or do I need braces? Most of us answer on feel, because direct comparison data has been thin for years.
A 2025 meta-analysis in Cureus pooled seven randomised trials and 402 patients. On finished quality, aligners matched fixed appliances on tooth position and did better on occlusal finishing. The catch: it says nothing about which difficult movements will actually track.
Jesper Hatt DDS
Jul 175 min read


What the evidence actually says about aligner materials, attachments and protocols
Every month a new aligner material lands in your inbox: smoother, more retentive, more predictable. Then you finish the case and you are looking at the same refinement scan as three years ago.
A 2025 Seminars in Orthodontics review separates what is documented from what is implied across materials, attachments and protocols. The short version: brand differences are real, but smaller than the planning differences within the same brand.
New on the blog.
Jesper Hatt DDS
Jul 34 min read


Why predictable aligner movements come down to three factors
You finish a 28-step plan. The patient wears every aligner. Six months in, the lateral hasn't rotated and the canine tipped instead of translated.
What failed was the biomechanical reasoning behind the plan.
Across 50,000+ plans we've seen the same pattern: when a movement doesn't express, the cause sits in one of three factors - anchorage, stress or contact. Get one wrong and it won't express. Get two wrong and the refinement is already booked.
New blog post on how to check
Jesper Hatt DDS
Jun 194 min read


Do clear aligners work in extraction cases?
A 2026 Wiley meta-analysis confirms clear aligners can finish extraction cases. It also shows exactly where planned movement and achieved movement part ways, and what that means for risk-based case selection in general practice.
Jesper Hatt DDS
Jun 55 min read


What the 2025 evidence says about materials, attachments, and protocols
Materials, attachments, protocols. Three things every aligner brand markets. Here's what the 2025 evidence actually shows — and what it means for the next case on your screen.
Jesper Hatt DDS
May 233 min read


3D-printed aligners in 2026: where the technology stands - and what it means for your planning
At the seventh European Aligner Society congress, Dr. Rooz Khosravi - clinical associate professor at the University of Washington and US ambassador for the European Aligner Society - gave a presentation on 3D-printed versus thermoformed aligners. Dental Tribune International published an interview covering his key points on April 21, 2026. His assessment is worth reading carefully. Not because it overturns what we know, but because it frames some of the open questions with m
Jesper Hatt DDS
May 105 min read


Clear Aligner Treatment Planning: Why Cases Fall Apart After a Perfect Digital Setup
Your aligner setup looked clean. The animation was smooth. Three refinements later, you're still not where you planned to be.
The problem didn't start when tracking failed. It started the moment you approved the plan.
Jesper Hatt DDS
Apr 257 min read


Clear Aligner Hygiene, Flossing and Tracking Issues
Clear Aligner Hygiene is not about aesthetics. It is about predictability.
Poor hygiene during aligner treatment increases caries risk, creates tight contacts, distorts aligners and leads to tracking issues and refinements. In this article, we explain why daily flossing acts as an early detection system — and how simple hygiene protocols can reduce chair time, shorten treatment duration and improve profitability.
Jesper Hatt DDS
Mar 215 min read


3D-Printed Aligners: Promising Technology, Premature Choice?
When innovation moves faster than the clinic We’ve all seen it happen. A new technology enters orthodontics with impressive visuals, compelling logic, and confident claims about precision and control. And as clinicians, we want it to work. Especially when it promises simpler workflows and fewer compromises. Direct 3D-printed aligners fall squarely into that category. The idea is attractive: no thermoforming, fewer steps, and complete freedom in aligner design. But in daily c
Jesper Hatt DDS
Mar 74 min read


Clear Aligner Pricing: Why clear aligner treatment feels less profitable than expected
Most dentists start offering clear aligner treatment for very good reasons. It feels manageable. Patients are asking for it. And from the outside, it looks like a treatment with solid financial potential. The first few cases usually go well. The treatments are completed. Patients are satisfied. You gain experience. Then something else starts to happen. You begin to look at your time usage. At the number of small decisions along the way. At how much chair time and mental ban
Jesper Hatt DDS
Feb 214 min read


Why clear aligner treatment requires a risk management system - not just support
Most aligner complications are not technical failures.
They are risk decisions made too late - or not made at all.
This article explains why clear aligner treatment requires risk management, not just better support, software, or technicians - and why this is ultimately a leadership issue in modern dental practice.
Written for clinicians who already treat aligner patients.
Jesper Hatt DDS
Feb 74 min read


Anchorage and force distribution: the blind spot in digital aligner planning
Digital treatment planning has made clear aligner therapy feel more precise than ever. Virtual setups show clean, isolated tooth movements and create the impression that orthodontic planning is largely a matter of approving the right simulation. Clinically, that impression is misleading. What looks simple on a screen is rarely simple in the mouth. Many aligner treatments fail to finish predictably not because the software is poor or the patient is non-compliant, but because f
Jesper Hatt DDS
Jan 244 min read


Most aligner complications are decided before treatment even starts
Most aligner treatments don’t fail because aligners “don’t work.”They fail because the wrong decisions were made before the first aligner was ever delivered.
That statement tends to make experienced clinicians
Jesper Hatt DDS
Jan 105 min read


At some point, clear aligner setups start behaving… oddly
The moment you stop just approving - and start noticing There’s a moment most aligner clinicians remember. Not in the beginning.Not in the first 20 cases. But somewhere later. You open a digital setup. And instead of just approving it, you pause. Something doesn’t feel right. One tooth rotates in a way that shouldn’t be possible. Another one slides as if its neighbor isn’t there. Contacts appear… then quietly disappear. You can’t immediately explain it. But you know one thing
Jesper Hatt DDS
Dec 27, 20253 min read


Where Digital Clear Aligner Treatment Plans Lose Precision - and What We Can Do About It
Reflections on data loss, clinical reality, and predictable outcomes in clear aligner treatment When the plan looks perfect - until it isn’t The digital plan looks flawless. Movements are smooth. Attachments are well placed. Staging appears conservative and biomechanically sound. Then the patient starts wearing the aligners. Within a few weeks, we see it: tracking issues, unexpected rotations, attachments don't track, refinements creeping in earlier than planned. We’ve all se
Jesper Hatt DDS
Dec 13, 20255 min read


Power Arms in Clear Aligner Therapy
Small Detail, Big Difference You’ve checked the setup three times. The staging looks beautiful, the forces align perfectly, and you send the case off with confidence. Two months later, the canine looks like it’s rebelling. The aligner fits, but the root clearly didn’t get the memo. We’ve all been there. What behaves perfectly on screen rarely acts the same in the mouth. That’s usually when a voice in the back of our head mutters, “Maybe we need a power arm.” What a power arm
Jesper Hatt DDS
Nov 28, 20253 min read
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