Mandibular MovementMandibular Movement
ByBy
S. WanachantararakS. Wanachantararak
Types of MovementTypes of Movement
• Rotational movementRotational movement
– Horizontal axis of rotationHorizontal axis of rotation
– Frontal (vertical) axis of rotationFrontal (vertical) axis of rotation
– Sagittal axis of rotationSagittal axis of rotation
• Translational movementTranslational movement
Rotational MovementRotational Movement
• Around the horizontal axisAround the horizontal axis
Rotational MovementRotational Movement
• Around the frontal (vertical) axisAround the frontal (vertical) axis
Rotational MovementRotational Movement
• Around the sagittal axisAround the sagittal axis
Translational movementTranslational movement
Single Plane Border MovementSingle Plane Border Movement
• Sagittal plane border and functional movSagittal plane border and functional mov
ementement
• Horizontal plane border and functional Horizontal plane border and functional
movementmovement
• Frontal (vertical) border and functional Frontal (vertical) border and functional
movementmovement
Sagittal Plane Border MovementSagittal Plane Border Movement
Sagittal Plane Border MovementSagittal Plane Border Movement
• Posterior open borderPosterior open border
• Anterior open borderAnterior open border
• Superior contact borderSuperior contact border
• Functional movementsFunctional movements
Sagittal Plane Border MovementSagittal Plane Border Movement
• Posterior open border movementPosterior open border movement
Sagittal Plane Border MovementSagittal Plane Border Movement
• Anterior open border movementAnterior open border movement
Sagittal Plane Border MovementSagittal Plane Border Movement
• Superior contact border movementSuperior contact border movement
Sagittal Plane Border MovementSagittal Plane Border Movement
• Superior contact border movementSuperior contact border movement (cont.)(cont.)
Sagittal Plane Border MovementSagittal Plane Border Movement
• Superior contact border movement Superior contact border movement (cont.)(cont.)
Sagittal Plane Border MovementSagittal Plane Border Movement
• Superior contact border movement Superior contact border movement (cont.)(cont.)
Sagittal Plane Border MovementSagittal Plane Border Movement
• Functional movementsFunctional movements
Horizontal Plane Border MovementHorizontal Plane Border Movement
• Left lateral borderLeft lateral border
• Continued left lateral border Continued left lateral border
with protrusionwith protrusion
• Right lateral borderRight lateral border
• Continued right lateral border Continued right lateral border
with protrusionwith protrusion
• Functional movementsFunctional movements
Horizontal Plane Border MovementHorizontal Plane Border Movement
• Left lateral borderLeft lateral border
Horizontal Plane Border MovementHorizontal Plane Border Movement
• Continued left lateral border with protrusionContinued left lateral border with protrusion
Horizontal Plane Border MovementHorizontal Plane Border Movement
• Right lateral borderRight lateral border
Horizontal Plane Border MovementHorizontal Plane Border Movement
• Continued right lateral border with protrusionContinued right lateral border with protrusion
Horizontal Plane Border MovementHorizontal Plane Border Movement
• Functional movementsFunctional movements
Frontal (Vertical) Border and FFrontal (Vertical) Border and Functional Movementunctional Movement
• Left lateral superior borderLeft lateral superior border
• Left lateral opening borderLeft lateral opening border
• Right lateral superior borderRight lateral superior border
• Right lateral opening borderRight lateral opening border
• Functional movementsFunctional movements
Frontal (Vertical) Border and FFrontal (Vertical) Border and Functional Movementunctional Movement
Frontal (Vertical) Border and FFrontal (Vertical) Border and Functional Movementunctional Movement
• Left lateral superior borderLeft lateral superior border
Frontal (Vertical) Border and FFrontal (Vertical) Border and Functional Movementunctional Movement
• Left lateral opening borderLeft lateral opening border
Frontal (Vertical) Border and FFrontal (Vertical) Border and Functional Movementunctional Movement
• Right lateral superior borderRight lateral superior border
Frontal (Vertical) Border and FFrontal (Vertical) Border and Functional Movementunctional Movement
• Right lateral opening borderRight lateral opening border
Frontal (Vertical) Border and FFrontal (Vertical) Border and Functional Movementunctional Movement
• Functional movementsFunctional movements
ReferencesReferences
• Ash and Ramfjord. Occlusion 4th edition. W.B. Saunders Ash and Ramfjord. Occlusion 4th edition. W.B. Saunders
Company, 1995Company, 1995
• Mohl, Zarb, Carlsson and Rugh. A textbook of Occlusion. Mohl, Zarb, Carlsson and Rugh. A textbook of Occlusion.
Quintessence Publishing Co., 1998Quintessence Publishing Co., 1998
• Sicher and DuBrul. Oral Anatomy 6th edition. The C.V. Sicher and DuBrul. Oral Anatomy 6th edition. The C.V.
Mosby company, 1975Mosby company, 1975
• Kraus, Jordan and Abrams. Dental anatomy and Kraus, Jordan and Abrams. Dental anatomy and
Occlusion. The Williams and Wilkins company, 1969Occlusion. The Williams and Wilkins company, 1969
Thank youThank you
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