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3 August 26
Third molar anchorage for arch development, step by step
In severe crowding, the first decision isn’t how to align, it’s where the space is going to come from. Most of the time we move between two options that both carry a cost: expanding, which loses arch depth, or compressing, which proclines the incisors beyond their biological limits. There’s a third route that many cases […]
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27 July 26
Closing diastemas with aligners without losing incisor torque
Closing diastemas with aligners has a trap that shows up almost every time at the same point: once the incisors start retracting, the torque gets lost. The result is a retrusion that closes the space but leaves the incisors tipped palatally, with everything that means for aesthetics and long-term stability. Avoiding it doesn’t take extraordinary […]
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21 July 26
Closing extraction spaces with reciprocal anchorage, step by step
Closing extraction spaces with aligners is one of the scenarios where improvisation shows the most, and where the lack of a clear protocol shows even more. In Class II or Class III cases requiring full correction, where a direct staging would be complex, the key is sequencing the movement with reciprocal-anchorage logic that lets you […]
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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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