Today, some of Ramfjord and Ash's rigid "centric relation" dogma is softened by evidence for (see recent Dawson, Okeson). However, page 58’s core message endures:
The cited reference "58" in related research typically outlines the specific clinical uses for :
Ash and Ramfjord recognized that in nature, a strict point-centric relationship is rare and can often lead to restricted pathways of movement or increased muscle tension. Instead, they advocated for a small flat area in the central fossae of the teeth. This allows the mandible to close into maxmimum intercuspation slightly anterior to centric relation (usually within a range of 0.5 mm to 1.0 mm) without any occlusal interference or changes in vertical dimension. Key Benefits of Freedom in Centric: Occlusion Ash Ramfjord Pdf 58
The muscles of mastication should exhibit minimal, balanced electromyographic activity at rest and during functional movements, free from spasm or hypertonicity. Clinical Applications: From Splint Therapy to Equilibration
The occlusion of opposing teeth when the mandible is in centric relation. Today, some of Ramfjord and Ash's rigid "centric
Temporarily stabilize mobile teeth or prevent unwanted tooth eruption. Accessing the Full Text
It teaches that occlusion is not static; it changes with wear, dental work, and aging. This allows the mandible to close into maxmimum
Relax the masticatory muscles to find the optimal condylar position before starting definitive treatments like crowns or bridges.