الفهرس 
Anatomy of Oral CavityOnly 14 pages are availabe for public view
 |  | from | 171 |  |  |
| | | from | 171 | | |
Abstract
Oral cavity and related structuress conventionally definedthe oral cavity consist of an outer part,
the e ribule. ituared between the lip and cheek externally and tb
teeth lind alveolar proces es internally. and a large inner part, the oral
ell it)’ proper located intemalto the dental arcades, The mucous
membran of ’he oral cavity may be divided into thre type’, although
thi is an over implification since there are r gional variations within
each type.
1- non-keratinizing epithelium covering a 10 e lamina propria and
ubmuco a containing ome flit depo its and mncou . gland
2- TIle rna ticatory rnu osa f the hard palate and gingivae i lined b’
a parnkeratinized epithelium. Sumbuco a is ab ent. In the gingivae
and the palatin raph .
3- The specialized mucosaof the dar al urface of tbe tongue i
ortbckeratiuized aver the anterior two-third and bears four types
of papillae. ~ Johanson &Moore.1983).
xaminatlon of the living mouth:
e tfbule:
With the mouth do ed the e tibule is little more than II potential
pace ince the lip and cheek are oormall do ely applied to the external
a peel of the teeth and gums. The vestibule is limited above and below b,
the reflection of the mucou membrane from (he al eolar processe on ro
the cheeks lind lip . The gutter formed by these reflections are called. the
sulci (upper lind lower buccal ulci in the r gion of the heek and upper
region of III lips).