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[نوووور السعوديه]

Oral anatomy & histology

1. The bony space in the alveolar bone developing unerupted tooth is
called ----------------------------------------.
a. Socket.
b. Crypt.
c. Sulcus.
d. None of the above.

4. The number of permanent teeth is ------------------------.
a. 32.
b. 20.
c. 22.
d. 24.

5. Periodontium consist of ------------------------.
a. One soft tissues and one hard tissue.
b. Two soft tissues and one hard tissue.
c. Two soft tissues and two tissues.
d. None of the above.

6. The masticatory surfaces of the teeth are ----------------------------.
a. Occlusal surface.
b. Incisal surface.
c. Incisal and occlusal surfaces.
d. All of the above.

7. The facial surface of the posterior teeth is called --------------------.
a. Labial surface.
b. Lingual surface.
c. Buccal surface.
d. Palatel surface.

8. The tooth surface that is close to the midline is termed -------------.
a. Distal surface.
b. Mesial surface.
c. Occlusel surface.
d. Incisal suface.


10. The junction between the anatomic crown and the anatomic root
is named as -----------------------------.
a. Dention cemantal junction.
b. Cervical line or cemento enamel junction.
c. Dentino-enamel junction.
d. None of the above.


14. Transverse ridge is present in the ----------------------.
a. Proximal surfaces.
b. Buccal surface.
c. Occlusal surface.
d. All of the above.

15. The functions of teeth are ----------------------------.
a. Speech.
b. Mastication.
c. Appearance.
d. All of the above.


17. The supporting & investing attachment system of teeth is --------.
a. Bone.
b. Gingival.
c. periodontium.
d. Crown.



20. The deciduous mandibular molars have -----------------------------.
a. Single root.
b. Double rooted.
c. 3 roots.
d. 4 roots.




25. Tubercle is formed of -------------------------.
a. Enamel only.
b. Dentin only.
c. Enamel and dentin.
d. Pulp horn, enamel and dentin.

26. Crown elevation includes -----------------------.
a. Lobe.
b. Tubercle.
c. Ridges.
d. All of the above.

Dental anatomy and Physiology

1. Salivary glands have been classified according to size into ----------
--------------------.
a- Major salivary gland.
b- Minor salivary gland.
c- Mixed salivary gland.
d- (a) & (b).

2. The largest major salivary glands are 3 pairs bilaterally, which are
-------------------------------.
a- Parotid & sublingual.
b- Submandibular.
c- (a) & (b).
d- None of the above.




4. Main excretory duct of parotid gland is called -----------------------.
a- Wharton’s duct.
b- Bartholen’s duct.
c- Lingual duct.
d- Stinson’s duct.


7. Parasympathetic innervations of parotid gland is a branch of -------
---------------------.
a- Facial cranial nerve.
b- 9th cranial nerve.
c- 2nd cranial nerve.
d- None of the above.



9. Labial & buccal glands are ------------------------------.
a- Minor salivary glands.
b- Major salivary glands.
c- Serous salivary glands.
d- Mucous salivary glands.



13. The digestive enzymes present in saliva are -------------------------.
a- Amylase.
b- Lipase.
c- (a) & (b).
d- Lactoferin.

14. Functions of saliva in the oral cavity are -----------------------------.
a- Protective function.
b- Digestive & taste.
c- Tissue repair function.

d- All of the above

[نوووور السعوديه]

Oral pathology

1. Microdontia involving only a single tooth is most likely to affect
the --------------------.
a. Maxillary lateral incisor.
b. Mandibular canine .
c. Mandibular second premolar.
d. Maxillary first premolar.
2. Which of the following is true for mumps --------------------------.
a. May be unilateral or bilateral.
b. Parotid gland is usually.
c. Attrition.
d. None of the above.
3. The grayish discoloration of the ulcerated lesions of acute
necrotizing gingivitis, represents ----------------------.
a. Accumulated microorganisms.
b. A pseudomembrane of necrotic mucosal tissue.
c. Accumulation of food debris.
d. Chromogenic bacteria which secondarily infect the lesions.
4. Median rhomboid glossitis is due to ---------------------------.
a. Atrophy of the filiform papillae of tongue .
b. Failure of the tuberculum impar to retract before fusion of
lateral halves of the tongue .
c. Superimposition of a fungal infection on to an already inflamed
tongue.
d. Degeneration of filiform and fungiform papillae of the tongue.
5. Multiple bony exostoses are usually present on the ---------------.
a. Buccal surface of the mandible.
b. Buccal surface of the maxilla.

c. Lingual surface of the maxilla

d. Lingual surface of the mandible.
6. Which tooth is most commonly involved in pericoronitis -----------.
a. Maxillary second molar.
b. Mandibular third molar.
c. Mandibular second molar.
d. Maxillary third molar.
7. Which of the following is a physiological process -------------------.
a. Abrasion.
b. Erosion.
c. Attrition.
d. None of the above.
8. The most common type of dentigerous cyst is ----------------------.
a. Circumferential.
b. Lateral.
c. Paradental.
d. Central.
9. A dermoid cyst primarily occurs ---------------------.
a. As a bulge in the anterior floor of the mouth.
b. In the maxillary anterior vestibular fornix.
c. At the side of the neck on the anterior border of the
sternocleidomastoid muscle.
d. In the midline of the neck or base of tongue.
10.Which of the following is most commonly associated with
leukoplakia -----------------------------.
a. Syphilis.
b. Smoking.
c. Galvanism.

d. Sharp cusps

11.Actinomycosis most commonly occurs in the ------------------------.
a. Lungs.
b. Cervicofacial region.
c. Anal region.
d. Intestines.
12. The virus which causes herpes zoster also causes -------------------.
a. Rabies.
b. Poliomyelitis.
c. Common cold.
d. Chicken pox.
13. Fordyce spots are ----------------------.
a. Overgrown sweat glands.
b. Displaced oil glands.
c. Misplaced salivary glands.
d. A visual phenomenon.
14.Which of the following vitamins is associated with pernicious
anemia ----------------------------.
a. C .
b. B 12.
c. B 6.
d. B 2.
15.A small blister of less than 0.5 cm size and filled with a clear fluid
is referred to as a ---------------------------.
a. Pustule.
b. Vesicle.
c. Nodule.
d. Bulla .
16.What is the appropriate term for a flat, circumscribed
discoloration of skin or mucosa that may vary in shape or size -----

---------------.

a. Macule.
b. Papule.
c. Nodule.
d. Epulis.
17. Which of the following antibiotics administered during childhood
may result in permanent intrinsic staining of teeth -------------------.
a. Gentamycine.
b. Penicillin.
c. Tetracycline.
d. All of the above.
18. The most common odontogenic cyst is -------------------------.
a. Dentigerous cyst.
b. An apical periodontal cyst.
c. An eruption cyst.
d. A primordial cyst.
19.Which of the following papillae of the tongue are considered
constant anatomic features of that area --------------------------.
a. Foliate.
b. Filiform.
c. Circumvallate.
d. Fungiform.
20.Attrition usually occurs on which surface of teeth ----------------.
a. Occlusal.
b. Lingual.
c. Buccal.
d. Proximal.
21. The teeth most frequently involved in dense-in-dente, are ---------.
a. Mandibular first premolars.
b. Maxillary lateral insicors.

c. Maxillary first premolars

d. Mandibular lateral insicors.
22.Black hairy tongue is due to ----------------------.
a. Hypertrophy of the filiform papillae.
b. Infection by candida albicans.
c. Atrophy of the dorsum of the tongue.

d. Enlargement of the fungiform papillae.

[نوووور السعوديه]