PPT-Oral Mucosa Part 2 1 2 Gingiva and Epithelial Attachment

Free or marginal gingiva Attached gingiva attaches with the neck of the tooth by means of junctional epithelium 3 Histology of Gingiva Thick 250 µm either orthokeratinized or parakeratinized stratified. PERIODONTIUM. Includes structures and tissues that surround and support the teeth. Alveolar Process. Gingiva. Periodontal Ligament/Membrane. Cementum. Cementum. Characteristics:. Covers root of tooth – forms a thin layer around the root. Dr. Ali . Tahir. Mucous membrane. Moist lining of GIT, Nasal passages & body cavities that communicate with the exterior. The mucous membrane of oral cavity is called “Oral Mucosa”. Located anatomically between skin & GIT mucosa & shows some properties of both. extensions of the bone from the body of the mandible and maxilla, which support the teeth.. Frenum. Frenum. or frenulum is a narrow band of tissue that connects two structures. . Max. labial . frenum. Basic classification of OMM divided into 3 major Types :-. 1- . Masticatory. mucosa ( . gingiva. and hard palate ).. 2- Lining mucosa (lip , cheek , vestibular fornix , alveolar mucosa , floor of the mouth and soft palate ).. KATHLEEN BERRY. Definition. Vesicle. – a small fluid lesion/blister which can rupture to form an ulcer.. Bulla. – a larger blister.. Ulcer. – a break in the mucous membrane.. Vesicobullous conditions can be classified into . Regions of the Face . Forehead: Extending from the eyebrows to the hairline. Temples: Anterior to the eyes. Orbital: Eye area that is covered by the eyelids. External nose. Regions of the Face . cont.. Epithelium (stratified . squamous. epithelium). . Connective tissue.. GINGIVAL EPITHELIUM . can be divided into : . Oral / outer Epithelium . - . faces the oral cavity . Sulcular. E-mail: . a.al-nuaimi@sheffield.ac.uk. . abdulameerh@yahoo.com. . Prof. . Abdulameer. Al-. Nuaimi. S. ublingual . papilla. Periodontal membrane. Deciduous (milk) teeth. Permanent teeth. Oral mucosa ءارذع .د .ا Basic classification of OMM divided into 3 major Types 1 - Masticatory mucosa ( gingiva and hard palate ). 2 - Lining mucosa (lip , 1 Dr Labeed AL Samarrai OMFS . FICMS 5 t h stage Associations with Melanin Pigmentation of Oral Mucosa P hysiologic or syndromic associations ● Racial or physiologic pigmentation ● Peutz - Jegh - JDMS) e - ISSN: 2279 - 0853, p - ISSN: 2279 - 0861.Volume 14, Iss ue 3 Ver. I I ( Mar . 2015), PP 10 - 13 www.iosrjournals.org DOI: 10.9790/0853 - 1432 10 13 www.iosrjournals.org 10 | Page Department of Pediatric Dentistry, University of Texas, Health Science Center, San Antonio.Department of Orofacial Sciences, University of California at San Francisco.Disclosures: FIGURE 1. Squamous Dept Of Dental Anatomy, Embryology & Histology. DEFINITION. . Term mucous membrane is used to describe the moist lining of the gastrointestinal tract, nasal passage and other body cavities that communicate with the exterior.. •Hyperkeratosis: Increased production of keratin. . •. Acanthosis. : An abnormal but benign thickening of stratum . spinosum. . . •Intra and extracellular accumulation of fluid in the epithelium .