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13 July 26
The sandwich technique: solving severe crowding without stripping, extractions or TADs
When a severe crowding case comes in, the first options that come to mind are almost always the same: stripping, extractions or TADs. In some patients, whether for periodontal reasons, patient preference, or both, none of those is viable or desirable. The sandwich technique is the alternative when the crowding has to be resolved without […]
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6 July 26
Second molar in crossbite: solving it with aligners, without elastics or TADs
A second molar in crossbite is often filed under “needs elastics or miniscrews.” In many situations that assumption is reasonable, but it is not inevitable. With a sequence designed properly, and with the patient’s own occlusion used as a biomechanical resource, this case can be solved without auxiliaries. What follows is how, and above all […]
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29 June 26
Molar flaring after expansion: turn it into a resource
After a palatal expansion, buccal tipping of the molars is almost inevitable. It does not matter which device you used: when you gain several millimetres of transverse width by pushing on the molars, those teeth end up with negative torque that has to be corrected. The question is not whether it happens, but what you […]
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1 June 26
Arch Compression with Aligners: Why Sequence Beats Force
Most arch compressions that end in a refinement didn’t fail because the movement was hard. They failed because the stages were planned in the wrong order. Compressing a dental arch with clear aligners is actually highly predictable, but only when each phase is set up to make the next one possible. Here is how we […]
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25 May 26
Molar uprighting in a single aligner package
Molar uprighting produces more misfits than it should. Not because the movement is inherently difficult, but because it is almost always planned with the wrong tooth at the center of the mechanics. The molar being uprighted is not the starting point. The tooth next to it is. With the right anchorage logic, uprighting becomes a […]
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18 May 26
How to avoid interferences in your digitalizations
Achieving effective distalization in a single aligner package is possible, but it depends almost entirely on having identified and resolved interferences before starting. The most frequent one (and the most commonly overlooked) has to do with the most distal molar. If that molar represents an interference and no action is taken before digitalizing the rest […]
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11 May 26
Flattening the Spee curve with a limited number of aligners
Working with fewer than 20 aligners whilst needing to flatten the Spee curve at the same time is a situation that puts planning to the test. The most common mistake is to attempt to intrude the incisors directly, without first creating the conditions for that movement to occur. The result is usually partial intrusion, a […]
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4 May 26
The virtual mesial jump with clear aligners: a predictable approach
The virtual mesial jump is one of those movements that tends to produce inconsistent results when approached without a clear protocol. When a jump fails to express, the instinct is often to question the aligner system. In most cases, the real issue is what happened (or didn’t happen) before the movement was programmed. Predictability in […]
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27 April 26
Integrating sectional arches into clear aligner treatment
Clear aligner treatment does not exclude the use of fixed biomechanics. In certain clinical situations (particularly those involving root control after extraction space closure) a sectional arch offers a level of precision that is difficult to replicate through digital programming alone. This is not a limitation of aligners. It is a biomechanical decision. And it […]
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20 April 26
How to bring an impacted tooth into the arch with clear aligners
Traction and positioning of an impacted tooth with clear aligners requires a different approach from what digital systems typically propose by default. Most planning algorithms tend to move all teeth from the beginning of treatment, but in cases involving impacted or retained teeth, this strategy is often unpredictable. The issue is not the ability of […]
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30 March 26
Mandibular advancement with clear aligners
Mandibular advancement with clear aligners is increasingly used in the treatment of sagittal discrepancies in growing patients and in selected adults. However, the predictability of advancement does not depend only on the appliance itself, but on prior control of occlusal interferences and the quality of monitoring during the active phase. One of the most important […]
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23 March 26
How to intrude molars with clear aligners
Molar intrusion with clear aligners continues to raise questions among clinicians, especially when the objective is not only to adjust contacts or modify a cusp, but to produce a real change in the occlusal plane and, in some cases, promote mandibular autorotation. From a biomechanical perspective, posterior intrusion is not inherently complex. However, it becomes […]
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