ملتقى طلاب وطالبات جامعة الملك فيصل,جامعة الدمام - مساعد طبيب أسنان أسئله لكمـ لـِ مآدة Preventive dentistry

1- The incidence of the disease is named
a- The new cases appear at a certain time
b- The percentage of population affected with the disease
c- a and b
d- None of the above

2-Tertiary prevention involves
a-techniques and agents to stop the onset and to reverse the progression of the disease
b-routine treatment methods
c-using measures to replace lost tissue
d-all of the above

3-According to Maslow physiologic needs include
a-food, oxygen, water ,sleep
b-love
c-security
d-all of the above

4-Self actualization
a-focuses on positive tendency for development and growth
b-involves feeling of self worth and confidence
c-is one of the physiological needs
d-all of the above

5- The most common method for removal dental plaque is by
a-chemotherapeutic products
b-tooth brush
c-the patient
d-b& c

6-the most common and effective method for tooth brushing is
a-horizontal method
b- charters' method
c-bass method
d-rolled method

7-Power tooth brushes are indicated for
a-physically and mentally challenged patient
b-elderly patient
c- implant care
d- all of the above

8-Dental floss silk is indicated for
a- removal of interproximal plaque
b-removal of calculus all around the teeth
c-removal of excess cement interproximally
d- a& c
9- The most recommended tooth brush is
a-a hard type
b-a soft type with natural bristles
c-a soft tooth brush with nylon bristles
d- none of the above
10- the key dietary factor that relates to dental caries is
a-fruit
b-sugar
c-milk
d-minerals

11-Accomplishments achieved by using floss are
a-removal of plaque and debris
b-identifying the presence of subgingival calculus
c-may use as a vehicle for applying chemotherapeutic agents
d-all of the above

12-regarding dental floss silk, the following statements are correct except:
a-waxed floss silk is indicated for normal contact without tight contact
b-unwaxed floss silk is contraindicated in crowded teeth, heavy calculus and overhanging restoration
c- unwaxed floss silk is indicated for tight contact
d-dental floss silk is used for detection of inter proximal caries

13-The body receives fluoride through
a- topical application
b-systemic application
c- systemic & topical application
d-non of the above
14-Fluorosis is the dental condition that result from
a-topical application of fluoride
b-systemic application of fluoride after development of the teeth
c-too much systemic fluoride during the development of the teeth
d-none of the above
15-Fluoridation of water supply must not exceed
a-3ppm
b-2ppm
c-4ppm
d- 1ppm

16-Too much ingestion of fluoride during tooth development may cause
a-amelogenesis imperfecta
b-dentogenesis imperfecta
c-fluorosis
d- none of the above

17-All of the following materials are used for preventive dental measures except
a-tooth paste
b-fluoride
c-dental sealant and fluoride mouth rinses
d-amalgam

18-Dental sealants are applied to
a-smooth surface of the teeth
b-the carious teeth
c-the occlusal surfaces of caries free teeth
d-all of the above

19-Dental sealants are not applied
a-when proper isolation is difficult to be achieved
b-to the occlusal surfaces of caries free teeth
c-to the teeth with deep fissures
d-all of the above

20-The teeth with dental sealants are etched with
a-hydrochloric acid
b-water
c-phosphoric acid
d-all of the above

21-Protiens are essential for
a-building the body
b-supplying the body with energy
c-building and maintaining bone and teeth
d-all of the above

22-Vitamin D essential for
a-building the body
b-supplying the body with energy
c-building and maintaining bone and teeth
d-all of the above

23-Patient education, plaque removal and application of pit and fissure sealant is the responsibility of
a-oral surgeon
b-oral hygienist
c-implantologist
d-all of the above

24- Deficiency of vitamin (A) may lead to
a-dehydration
b-rickets and poor tooth development
c-scurvy
d-night blindness

25- Deficiency of vitamin (B12) may lead to
a- scurvy
b-pernicious anemia
c-rickets
d-dehydration

26-meat and fish are rich with
a-carbohydrates
b-protein
c-fats
d-water

27-Oils, butter and egg are rich with
a-carbohydrates
b-protein
c-fats
d-water

28-milk is rich with
a-mineral
b-water
c-protein
d-none of the above

29-Fruits and citrus are rich with
a-vitamin B1
b-vitamin B12
c-vitamin C
d-non of the above
30-The most important microorganism in dental caries is
a-streptococcus mutans
b- streptococcus salivaris
c-fusobacterium spirochetes
d-non of the above

31-the causes of orange and red extrinsic stains are ;
a- tobacco products
b- poor oral hygiene
c- chromogenic bacteria
d- Nasmyth membrane

32- sucrose affect dental plaque by;
a-decrease
b-increase
c-no effect
d-eliminate it

33-the loosely attached thick soft deposit is;
a- internal stain
b- external stain
c- materia alba
d- all of the above

34-removal of external stain called;
a- endodontic treatment
B-filling of teeth
C-scaling
d- Coronal polishing

35- endodontic, periodontics , placing restorations are;
a- primary prevention of disease
b- Secondary prevention
c- Tertiary prevention
d- Primary and secondary

36- End tuft brush indicated for :
a- anterior teeth
b- inaccessible areas
c- posterior teeth
d- anterior and posterior teeth

37- massaging interdental papilla done by;
a- tooth brush
b- water jet
c- widge stimulator
d- dental floss

38-patient with large hands or physically challenged teeth cleaned by using;
a- floss holder
B-tooth pick
c- electrical brush
d- Floss without holder

39- fluoride and baking soda peroxide are used in ;
a- Fluoride solution
b- dentifrice
c- powder of cleaning teeth
d- all of the above

40- antigengivitis have ;
a- fluoride
b- mouth rinse
c- sanguinarine
d- none of the above

41- carious pits and fissures closed by;
a-amalgam
b-composite
c-sealant
d-a and b

42- normal function of body cells is done by vitamin;
a- c
b- d
c- B12
d- B 2

43 – detection of plaque done by ;
a-disclosing agents
b- dental sealants
c- liners
d- bases
44-preventive dentistry means:
a-means filling of the teeth
b-management of behaviors to prevent oral diseases
c-extraction of teeth
d- a and b

45-soft sticky dense gelatinous layer of bacteria is :
a-calculus
b-stains
c-bacterial plaque
d-all of the above

46- last stage pellicle is :
a- last stage of plaque
b- first stage of plaque
c- hard plaque
d - yellow plaque

47- materia alba is:
a-hardly attached thick soft deposit
b-loosely attached thick soft deposit
c-stains on the teeth
d-all of the above

48- Intrinsic stains caused by:
a- local disorders
b- Systemic disorders
c- A and b
d- None of the above

49- oxygenating agents are present in;
a-mouth rinse
b- dentifrice
c- antibiotics
d- impression materials

50- The portion of the tooth brush that is held in mouth is:
A- Head.
B- Handle.
C- Shank .
D- Bristles.
51. The best age for the application of pit and fissure sealants, in children is :
a . 10-16 years.
B . 6-12 years.
C . 4-7 years.
D . 2-5 years.

52- Topical fluoride characteristics are the following EXCEPT
A- NA F 2%.
B- AP F 1.23%.
C- NA F 4%.
D- SN F 0.4%.

53- Humectants in dentifrices AS:
A- Sorbitol.
B- Alcohol.
C- Mentol.
D- Alginates.

54- Chlorohexidine gluconate in mouth rinse is used for:
A- Reduce symptoms of pericoronitis.
B- Disinfect the oral mucosa.
C- reduce severity of gingivitis.
D- None of the above.

55- Forms of fluoride are :
A- topical.
B- water supply.
C- Vitamin supplements.
D- All.