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DOH253 (12)

Class Notes for DOH253 at Charles Sturt University

Head and Neck Anatomy

DOH253 Lecture Notes - Lecture 12: Restorative Dentistry, Ameloblast, Dej
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The cells are parallel and there is strong tight junctional complexes between the cells to prevent the effect forming enamel (terminal bar web) Each cell has a process called Tommes process. Each has 2 faces (sides) thus...

DOH
DOH253
Dr Ahmed Ali
DOH253 Lecture Notes - Lecture 11: Golgi Apparatus, Dental Papilla, Ameloblast
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Life cycle of ameloblasts Presecretory 1,2 Secretory 3,4 Transition (not shown) Maturation 5 Postmatureation 6 Presecretory stage All ameloblastic activities before secretion of enamel matrix 1. Differentiation o...

DOH
DOH253
Dr Ahmed Ali
DOH253 Lecture Notes - Lecture 10: Ameloblast, Tooth Wear, Bone Morphogenetic Protein
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Enamel niche Area enclosed by the double attachment shown here of the enamel organ to the dental lamina Enamel knot Recently organising centre that initiates cusp patterning Develop from cells in central region of dent...

DOH
DOH253
Dr Ahmed Ali
DOH253 Lecture Notes - Lecture 9: Invagination, Desmosome, Dentin
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- Cervical loop area can be identified - Increased cell division located at the cervical margin of the crown - There is a junction of the EEE and IEE fused together to form a bilayered struct...

DOH
DOH253
Dr Ahmed Ali
DOH253 Lecture Notes - Lecture 8: Dental Lamina, Dental Papilla, Enamel Organ
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Late cap stage The central cells of developing enamel organ differentiate further to give the stellate reticulum cells SR with intercellular spaces (star shaped network extensions linked together) EEE remain cuboidal IE...

DOH
DOH253
Dr Ahmed Ali
DOH253 Lecture Notes - Lecture 7: Histology, Stomodeum, Dental Lamina
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Invagination divides into two lamina 1. Vestibular lamina Located buccally Forms oral vestibule: space between teeth and alveolar from inside and lips and cheek from outside Develops first as a lamina that becomes hollo...

DOH
DOH253
Dr Ahmed Ali
DOH253 Lecture Notes - Lecture 6: Dentin, Cementum, Dental Lamina
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Development of maxilla Membranous ossification Cartilage gives 3D structure Any part of bone with growth must have cartilage as it gives 3D template that is later going to be replaced by bone Provides growth and shapin...

DOH
DOH253
Dr Ahmed Ali
DOH253 Lecture Notes - Lecture 5: Secondary Palate, Inferior Nasal Concha, Soft Palate
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Posterior Sensory and taste - third arch glossopharyngeal Extreme posterior Sensory and taste - 4th arch superior laryngeal Multiple innervation through the embryological development Development of the face Growth of...

DOH
DOH253
Dr Ahmed Ali
DOH253 Lecture Notes - Lecture 4: Hypoglossal Nerve, Pharyngeal Groove, Lingual Papilla
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Vascular elements Each arch associated with a vessel - Developing heart early during embryogenesis - Leading from heart is left and right aortic arch vessels - Ascend dorsally to the face, brain and post...

DOH
DOH253
Dr Ahmed Ali
DOH253 Lecture Notes - Lecture 3: Mylohyoid Muscle, Hyoid Bone, Mastication
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Skeletal elements - Meckels cartilage (primary) - Anterior part is important for the development of the body of the mandible - Related to base of skull nasal capsule - Two on eith...

DOH
DOH253
Dr Ahmed Ali
DOH253 Lecture Notes - Lecture 2: Pharyngeal Groove, Tympanic Cavity, Branchial Arch
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Lecture 2 - Orofacial Embryology - Ectoderm mesoderm endoderm - three germ levels of embryo - Before folding - Septum transversum developing heart oropharyngeal membrane neural plate - Neural...

DOH
DOH253
Dr Ahmed Ali
DOH253 Lecture Notes - Lecture 1: Zona Pellucida, Primitive Streak, Amniotic Sac
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Lecture 1 - Introduction to Embryology Embryology vs development Embryology - fertilisation to birth Development - fertilisation to birth, infancy (first year), childhood (2 years to puberty), adolescence (11-19 years) F...

DOH
DOH253
Dr Ahmed Ali

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