Clinical Procedures and Topics

acting action amount angle anguli antagonist articulation articulators backward base between broad called chin cleft companion contains continuous dentals depress depresses depressor directly downward draw elevates extend external facial fair fibers fibres firming foramen fossa front high incisive inferior inferioris inserted insertion integument inward known labii labio levator line little lower major mandible mandibular maxillary mental mentalis menti mouth muscle muscles oblique orbicularis origin originate originates oris outward part platysma primary protrude protrudes quadratus quadrilateral raise region risorius shape side simultaneously skin small sometimes symphysis together treatment triangular triangularis unrounded upward vocoid wrinkle yellow zygomaticus

Facial Muscle Firming Treatment - Inferior Maxillary Region

Inferior Maxillary Region Facial Muscles (Mandibular region)

Mentalis Facial Muscles

The Mentalis muscles are also known as Levator labii inferioris muscles.

They originate at the incisive fossa external to the mandibular symphysis (cleft of the chin, for those who have one).

The fibres run downward to be inserted in the skin of the chin.

Their action is to raise and protrude the lower lip and simultaneously wrinkle the skin over the chin. These muscles are the primary articulators of labio-dentals.

Depressor Labii Inferioris Facial Muscles

The Depressor labii inferioris is sometimes called Quadratus menti.

Each is a small, quadrilateral muscle which originates at the external oblique line of the mandible between the symphysis and the mental foramen.

The fibres run upward and inward to be inserted into the orbicularis oris and into the fibres of its companion from the other side.

It is continuous with the Platysma at its origin and contains a fair amount of yellow fat in its fibers.

Their action is to draw the lower lip directly downward and a little outward.

Depressor Anguli Oris Facial Muscles

The Depressor anguli oris is sometimes called the Triangularis menti.

Each is triangular in shape and originates by the broad base at the external oblique line of the mandible.

The fibres extend upward to be inserted into the angle of the mouth.

It is continuous with the Platysma at the origin and with the Orbicularis oris and Risorius at insertion.

Some fibres are directly continuous with those of the Levator anguli oris.

Their action is to depress the angle of the mouth and act as antagonist to the Levator anguli oris and Zygomaticus major.

Acting together with these muscles, they will draw the angle of the mouth directly backward, as in the articulation of a unrounded high , front vocoid.

Wednesday, 25 May 2005

Facial Muscle for Skin Firming: Depressor Anguli Oris

Origin of Facial Muscle for Skin Firming

External oblique line of mandible.

Insertion of Facial Muscle for Skin Firming

Angle of mouth.

Action of Facial Muscle as Part of Facial Muscle Firming Treatment

Depresses angle of mouth.

Wednesday, 25 May 2005

Facial Muscle for Skin Firming: Depressor Labii Inferioris

Origin of Facial Muscle for Skin Firming

External oblique line of mandible.

Insertion of Facial Muscle for Skin Firming

Lower lip and orbicularis oris.

Action of Facial Muscle as Part of Facial Muscle Firming Treatment

Depresses lower lip.

Wednesday, 25 May 2005

Facial Muscle for Skin Firming: Mentalis (Levator Labii Inferioris)

Origin of Facial Muscle for Skin Firming

Incisive fossa of mandible.

Insertion of Facial Muscle for Skin Firming

Integument of chin.

Action of Facial Muscle as Part of Facial Muscle Firming Treatment

Elevates and protrudes the lower lip.

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Facial Muscle Firming Treatment - Inferior Maxillary Region

Facial Muscle for Skin Firming: Depressor Anguli Oris

Facial Muscle for Skin Firming: Depressor Labii Inferioris

Facial Muscle for Skin Firming: Mentalis (Levator Labii Inferioris)


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	Facial Muscle Firming Treatment - Inferior Maxillary Region Inferior Maxillary Region Facial Muscles (Mandibular region) Mentalis Facial Muscles The Mentalis muscles are also known as Levator labii inferioris muscles. They originate at the incisive fossa external to the mandibular symphysis (cleft of the chin, for those who have one). The fibres run downward to be inserted in the skin of the chin. Their action is to raise and protrude the lower lip and simultaneously wrinkle the skin over the chin. These muscles are the primary articulators of labio-dentals. Depressor Labii Inferioris Facial Muscles The Depressor labii inferioris is sometimes called Quadratus menti. Each is a small, quadrilateral muscle which originates at the external oblique line of the mandible between the symphysis and the mental foramen. The fibres run upward and inward to be inserted into the orbicularis oris and into the fibres of its companion from the other side. It is continuous with the Platysma at its origin and contains a fair amount of yellow fat in its fibers. Their action is to draw the lower lip directly downward and a little outward. Depressor Anguli Oris Facial Muscles The Depressor anguli oris is sometimes called the Triangularis menti. Each is triangular in shape and originates by the broad base at the external oblique line of the mandible. The fibres extend upward to be inserted into the angle of the mouth. It is continuous with the Platysma at the origin and with the Orbicularis oris and Risorius at insertion. Some fibres are directly continuous with those of the Levator anguli oris. Their action is to depress the angle of the mouth and act as antagonist to the Levator anguli oris and Zygomaticus major. Acting together with these muscles, they will draw the angle of the mouth directly backward, as in the articulation of a unrounded high , front vocoid. Wednesday, 25 May 2005 Facial Muscle for Skin Firming: Depressor Anguli Oris Origin of Facial Muscle for Skin Firming External oblique line of mandible. Insertion of Facial Muscle for Skin Firming Angle of mouth. Action of Facial Muscle as Part of Facial Muscle Firming Treatment Depresses angle of mouth. Wednesday, 25 May 2005 Facial Muscle for Skin Firming: Depressor Labii Inferioris Origin of Facial Muscle for Skin Firming External oblique line of mandible. Insertion of Facial Muscle for Skin Firming Lower lip and orbicularis oris. Action of Facial Muscle as Part of Facial Muscle Firming Treatment Depresses lower lip. Wednesday, 25 May 2005 Facial Muscle for Skin Firming: Mentalis (Levator Labii Inferioris) Origin of Facial Muscle for Skin Firming Incisive fossa of mandible. Insertion of Facial Muscle for Skin Firming Integument of chin. Action of Facial Muscle as Part of Facial Muscle Firming Treatment Elevates and protrudes the lower lip. Related Skin Care Information, Products and Expert Discussions Facial Muscle Firming Treatment - Superior Maxillary Region Facial Muscle for Skin Firming: Depressor Labii Inferioris Facial Muscle for Skin Firming: Mentalis (Levator Labii Inferioris) Facial Muscle for Skin Firming: Depressor Anguli Oris Facial Muscle Firming Treatment - Tempero Mandibular Region Gernetic : Gernetic Skin Treatments : Facial Muscle Firming Treatment - Restorative and Preventative : Facial Muscle Firming Treatment - Relevant Anatomy for Face Lifting : Facial Muscle Firming Treatment - Superior Maxillary Region : Facial Muscle Firming Treatment - Inferior Maxillary Region : Facial Muscle Firming Treatment - Intermaxillary Region : Facial Muscle Firming Treatment - Tempero Mandibular Region : Facial Muscle Firming Treatment - Nasal Region : File Facial Muscle Firming Treatment - Inferior Maxillary Region for reference.	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