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This approach respects the biomechanical reality that you cannot reliably extrude anterior teeth against a tongue, but you can intrude posterior teeth with absolute anchorage. The vertical dimension change happens predictably, measurably, and without requiring patient compliance beyond avoiding hard foods during active intrusion. Cases that failed multiple previous treatment attempts finally close within 8-12 months of TAD-assisted molar intrusion.
The psychological impact on patients who've lived with open bites for decades cannot be overstated. When they achieve their first genuine anterior contact and can finally bite food normally, they're experiencing functional improvement that changes daily life, not just aesthetics. TAD-based molar intrusion doesn't just close open bites—it restores the fundamental oral function these patients had resigned themselves to living without, proving that some "impossible" cases just needed biomechanics that matched the problem's complexity.
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