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Mastering the PIR Protocol: My Sequential Approach to Class II Division 2 Treatment

Mastering the PIR Protocol: My Sequential Approach to Class II Division 2 Treatment

Class II Division 2 malocclusion is complex, with retroclined incisors, deep bite, and vertical challenges. The PIR protocol—Procline, Intrude, Retract—offers a clear sequence to manage these cases with stability and precision. Read how to optimize biomechanics, avoid pitfalls, and achieve predictable long-term outcomes.

Best Practices
Improving Molar Rotation with a Dual Attachment Strategy

Improving Molar Rotation with a Dual Attachment Strategy

Molar rotation with aligners is tough—size and roots make movement unpredictable. Dual attachments, placed buccally and lingually, create a couple force for pure rotation and better control. With precise planning and placement, this method reduces auxiliaries and improves predictability in rotations over 10°.

Best Practices

What we do during the session

We analyze your case from a treatment planning perspective, focusing on:

• Macro & micro staging strategy
• Biomechanics and force systems
• Attachment design and limitations
• Movement sequencing and keyframes
• Risk assessment (where cases typically fail)
• Opportunities to simplify or improve predictabilityThe goal is simple: optimize your plan before treatment starts — so you reduce refinements and improve outcomes.

We work directly in your preferred in-house software:

• OnyxCeph
• Titan
• Smiley Nova

You choose the platform — we adapt the strategy.

Predictsmile Case Review – Live 1-to-1 OnyxCeph aligner treatment planning session
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