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