The Skull and its Landmarks OCR PDF

The Skull and its Landmarks Part B Part 1 of 4 Julie Watson GDC Learning Outcomes 1.1 Overall Aim 1.1.1 The aim of todays session is to 1.1.5 cover the Facial Skeleton and try to tie in other lectures you 9.1 will have/had...

The Skull and its Landmarks Part B Part 1 of 4 Julie Watson GDC Learning Outcomes 1.1 Overall Aim 1.1.1 The aim of todays session is to 1.1.5 cover the Facial Skeleton and try to tie in other lectures you 9.1 will have/had on the Mandible, 9.2 Muscles of Mastication and Facial Expression To give you an understanding of the features of the skull, and how they can impact us as clinicians 2  The Skull is made of 2 sections Neurocranium – These are the Viscerocranium – These are the Cranial Bones Facial Bones To Re- Loading… Cap En.wikipedia.org 3 Courses.lumenlearning.com Learning Outcomes By the end of the next sessions, Parts 1-4 you should be able to: Name the 14 bones of the Facial Skeleton Describe in detail the Palatine Bones & The Orbit Bones Label various diagrams of the skull Describe the location & anatomical features of the 3 Intracranial Fossae Discuss the Hyoid bone 4  facial Skeleton The Viscerocranium – Facial Skeleton Loading…  Function of the Facial Skeleton Protects Brain Smell , sight Houses and protects the sense organs of taste. Provides a frame on which the soft tissues of the face can act to facilitate eating , facial expression , breathing + speech The de to facial form of face is largely Skeleton. 6 There are 14 Facial Bones Vomer x 1 Palatine Bones x 2 Conchae x 2 (Turbinate Zygomatic Bones x 2 Bones) Lacrimal Bones x 2 Nasal Bones x 2 Maxilla x 2 Mandible x1 Vomer can not make my pet zebra laugh 7  8 Webcampu.med.drexel.edu  24 Shape of nose Nasal Bones 2 x slender oblong bones midline of face. Vary in size from person to person and form the bridge of the nose Articulate with: Other nasal bone Frontal bone Maxilla Ethmoid 9  2x Inferior Nasal Concha Located within the nasal cavity spongy + curled They increase the amount of inspired air that comes into contact with cavity walls, by increasing surface area. Articulate with: Ethmoid Maxilla Lacrimal Palatine bone 10. IX forms nasel septum Vomer Bone A thin, singular bone that runs vertically within the nasal cavity Separates the nasal cavities Loading… into left and right sides Articulates with: Maxilla Ethmoid Sphenoid bones Palatine 11 eye socket to side of nose paired facial bone. finge little nait Al size of - Lacrimal Bones - Smallest bones of the face - I part of tear -most anterior Forms part of the medial wall of the orbit and provides support for the eyes Involved in crying. It is part of the tear duct, where tears drain from the eye. G Articulate with: most fragile Frontal # would cause obstruction of nasal- Ethmoid lacrimal Maxilla -duct Increased Inferior nasal concha. pressure eyes watery t irritated 12.  in middle Skull 6 oine l shape of x2 Irregular middle - Maxilla Bones fuse together in inter maxillary surures Located at the front section of the face · facial muscle Forms the upper jaw which hold Connected innert the teeth, sides of the nasal cavity outer surfaces and sections of the eye socket Schew Smile , forms maxillary : dental arch frown. , Articulates with: mesial border of orbit : Zygomatic contributes to lacrimal : fused Frontal groove Palatine Incisive · foramen-palatine nasal nerve existe 13  3 surfaces S borders 24 Zygomatic Bones 2 processes Irregular Form the cheek bones and are diamond shaped. Contributes toformzygomatic arch : · walls of temporal and infra Important contributors to mastication, temporal fossa providing an attachment point for the floor + lateral · masseter muscle wall of bony. orbit Articulates with: Sphenoid bone Maxilla Frontal bone Temporal bone 14  Holds teeth in place Single bone · · assists in mastication- forms Uk Mandible Bone lower jaw line. Forms the lower part of the jaw, and houses the lower set of teeth. Largest bone in the human skull and composed of mandible body and ramus. Articulates with: Temporal bone to form the temporomandibular joint (TMJ) Inferior to Maxilla. 15  Prerygoid process of 'L' shaped bone lies between Maxilla + sphenoid bone Paired Palatine Bones e House the lessert greater palatine nerves Situated at the back of the nasal cavity. Helps form the nasal cavity, eye socket, and hard palate. Contributes to building 3 cavities Articulates with six bones: within the Sphenoid Skull : Ethmoid · Orbits Maxilla · Nasal Inferior nasal concha Oral · Vomer Opposite Palatine. 16  Two important foramina that transmit nerves and blood vessels: The greater and lesser palatine. Each palatine bone forms an L- shape, which consists of a horizontal plate and a perpendicular plate. 17  Painless , hard lumps , bony overgrowth from palatine bone. impede speech, swallowing t Torus Palatinus Call eating. or Tori (plural) Exdontia.inf o 18 Sciencedirect You Tube Clip for Palatine Bones https://www.youtube.com/watch?v=eZMdVEJFa4g 19