Clinical features of gingiva
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Clinical features of gingiva

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Clinical features of gingiva Clinical features of gingiva Presentation Transcript

  • Clinical features of Gingiva submitted to :- submitted by :- Nadia dhiman Bds 3rd prof
  • INTRODUCTION • Gingiva is part of oral mucosa that covers the alveolar processes of jaws and surrounds the neck of the tissue . • Composed of thin outer epithelium and underlying connective tissue . • Consist of four anatomical portions – Gingival sulcus , Free gingiva, Interdental gingiva and attached gingiva .
  • • Texture of Gingiva – healthy gums have stippled ,translucent appearance. - orange peel appearance .
  • • Colour of Gingiva-coral pink -depends on the thickness and degree of keratinization of epithelium, blood flow to gingiva ,disease and medication ,natural pigmentation. • Contour of Gingiva-scalloped and knife edge margin . • Size of Gingiva-correspong with sum total of the bulk of cellular and intercellular elements and their vascular supply.
  • ANATOMIC LANDMARKS OF THE GINGIVA
  • GINGIVAL SULCUS • Its a V shaped notch . • Bounded by surface of tooth on one side and epithelium lining the free margin of gingiva on the other side. • Clinical evaluation used to determine the depth of gingival sulcus is throw metallic instrument called peridontal probe
  • • Probing or clinical probing depth is depth of penetration of probe and it is 2-3mm in normal gingival sulcus in humans . • In histological section depth is 1.8mm with variation from 0-6mm.
  • MARGINAL GINGIVA • Also called as free or unattached gingiva . • Surrounds the tooth in collarlike/cufflike manner. • Characteristic – fits closely around but not directly attached to the tooth-also form soft tissue wall of the gingival sulcus. • It is 1mm wide .
  • • Free Gingiva is demarcated from adjacent attached gingiva by shallow linear depression that follows the Contour of the tooth called ‘ marginal groove ’. •it can be separated from tooth surface by peridontal probe .
  • ATTACHED GINGIVA • Part of gingiva tightly connected to periosteum of alveolar bone . • Lies between the two movable tissue . • Colour- pale -pigmented in dark skinned individuals.
  • • Width- widest in incisor and molar region and narrowest in premolar region . • Premolar= maxilla-1.9mm mandible-1.8mm.
  • INTERDENTAL GINGIVA • It occupies the gingival embrasure . • Gingival embrasure is the interproximal space beneath the area of tooth contact .
  • •It is of two shape pyramidal and ‘’col’’ shape . •‘’col’’ is a valley like depression that connects a facial and lingual papilla .
  • • ‘’col’’ in various types of contacts . • The shape of interdental gingiva depends on the contact point between the two adjoining teeth and presence or absence of some degree of recession .
  • Interdental col in normal gingiva – mandibular anterior segment,facial and buccolingual views. Interdental col after gingival recession.
  • • In diastema,the gingiva is firmly bound over the interdental bone and the interdental papilla will be absent.
  • TH THANK YOU