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Osteology in Oro Craniofacial - Coggle Diagram
Osteology in Oro Craniofacial
roles of bones that form the orocraniofacial skeleton
Irregular Bones: Protecting internal organs, movement, and as the support.
Flat Bones: As the points of attachment for muscles and protects internal organs
structural differences between maxilla and mandible
Resorption directions
Maxilla: towards the vestibular
Mandible: towards the oral aspect
Location
Maxilla: upper jaw bone
Mandible: lower jaw bone
Bone density
Maxilla: Compact bone
Mandible: spongy bone
Function
Maxilla: support the upper teeth and formation of the roof of the mouth
Mandible: movement of the lower jaw
differences in growth/formation of mandible and maxilla
Mandible
develops from the first pharyngeal arch and is a single bone that does not fuse with any other major bone during development
undergoes both intramembranous and endochondral ossification
significantly influence the appearance of the lower face, jawline, and chin
Maxilla
mainly grows through intramembranous ossification
Contributing to the shape of the midface, supporting the nasal passages, and providing support for the upper teeth.
originates from maxillary processes; fuse in the midline to form the upper jawbone
classification of orocraniofacial bones based on their function
Supportive bone: Primarily responsible in structural support and shape to the head and face
Functional bones: Provide structural support and serve as attachment points for muscles and tendons, which allows the body movement.
Protective bones: Act as a barrier that cushioning and shielding the underlying organs and structures from external forces and potential injuries
bone markings on mandible that are important in blocking the sensation of posterior lower teeth, and in supporting the mastication movement of the jaw
Inferior alveolar (mandibular) foramen
Mandibular notch
Condylar process
Coronoid process
Masseteric tuberosity
types of bone-shape that present on the orocranifacial skeleton
Facial bones
Sphenoid bone
Cranial bone
Ethmoid bone
general structure and classification of articulation that present on the orocraniofacial skeleton
Functional Classification
Synarthrosis
Amphiarthrosis
Diarthrosis
Structural Classification
Cartilaginous Joints
Synovial Joints
Fibrous Joints
the structure and components of the Temporo-Mandibular Joint
Articular Disc
Superior compartment
Inferior compartment
Ligaments and Joint Capsule (Anterior Cruciate Ligament (ACL) of the Neck)
Articular Surfaces
Mandibular Condyle
Glenoid Fossa (Articular Fossa)