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Session 3: Skeletal vs. Dental Expansion

In this Atlas Forum session, members examine the important differences between skeletal and dental expansion and how understanding those differences can influence diagnosis, treatment planning, and clinical outcomes.

Led by Dr. Bob Waugh. Session 3 of The MARPE Collaborative, a series on the Atlas Orthodontic Forum, the collaborative platform from ODL and Specialty Appliances.

A recorded live session, 1 hour long, on demand for Atlas members, with 1 hour of CE credit.

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Courses Session 1: The Atlas Framework: Why Transverse Diagnosis Needs an Index Transverse deficiency is one of the most underdiagnosed conditions in orthodontics, and one of the most consequential to get wrong. This session introduces the MARPE Predictive Index (MPI), a matrix-based diagnostic scoring system designed to bring objectivity and consistency to expansion decisions.

Courses Session 2: CBCT Evaluation for Transverse Diagnosis In this Atlas Forum session, members take a deeper look at MARPE treatment planning with a focus on CBCT evaluation and the role three-dimensional imaging plays in making more informed clinical decisions.

Courses Session 4: Scorecards & Case Planning In this Atlas Forum session, members put the Atlas Validation Scorecard into practice through an interactive review of two complete clinical cases. Each case is evaluated from start to finish, with members working through the scorecard in real time alongside the presenters.

Haas, top view

Distal Jet, top view

MARPE 4 eyelet, front view

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