Inventor and Designer of Postural Control Insoles

Blocked primary cuspids

Dental (and Cranial) Imbalances Driven by the Foot (Rothbart 2013)

REvised July 2019

Foot to Dental Link

     Rothbart BA 2013. Prescriptive Insoles and Dental Orthotics Change the Frontal Plane Position of the Atlas (C1), Mastoid, Malar, Temporal and Sphenoid Bones: A Preliminary Study. Journal of CranioMandibular and Sleep Practice, Vol 31(4):300-308.

    Rothbart BA 2008.  Vertical Facial Dimensions Linked to Abnormal Foot Motion. Journal American Podiatric Medical Association, 98(3):01-08, May.

Narrow Curve of Spee

Ascending Postural Distortion Pattern

  • Rothbarts Foot or the PreClinical Clubfoot Deformity will drive the innominate bones into an anterior (internal) rotation, the more anteriorly rotated innominate bone being ipsilateral to the more pronated foot.
  • Anterior rotation of the innominate bones can drive the temporal bones into a posterior (external) rotation, the more posteriorly rotated temporal bone being ipsilateral to the more anteriorly rotated innominate bone.
  • Posterior rotation of the temporal bones can force the sphenoid bone into a flexed and side bent position (unleveling the pupils) resulting in:

Examples of Class II Occlusion as a result of abnormal foot motion.  Note the long, narrow craniums (flexed sphenoid bone).

Sphenoid - Occlusal Link

  • When the sphenoid is locked in flexion, the Curve of Spee narrows

Loss of vertical facial dimension (Rothbart 2008)

The Ascending Postural Distortion Patterns can result in Class II Malocclusions.

  • Class II Malocclusions are due to a sphenoid bone locked flexion

Either the Rothbarts Foot or the PreClinical Clubfoot Deformity can result in a Class II Malocclusion.

Rothbarts Triad  resulting from Gravity Drive pronation

  • Posterior (External) Temporal Rotation 
  • Flexion Sphenoid Bone
  • Class II Malocclusion ‚Äč
  • A Loss of vertical facial dimension (See Face Photo below)
  • Narrowing the Curve of Spee which can crowd the teeth (See Photo Before), and if severe enough
  • 'Block out' the emergence of the primary cuspids (See Photo Below)