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الرحيم الرحمن الله بسم
الملك بجامعة االسنان بطب االمتياز طالب/ واالجابات مناقشاتسعود
االحمد. د/ تجميع
:- WORD ملف هيئة على ورفع وتنسيق ترتيب
TECH X-RAY= العتيبي سعود= االشعه فني
النجمه عالمة* بجوارها يوضع االجابات
الصحية للتخصصت السعودية الهيئة امتحانات ونماذج اسئلة
( االسنان طب)
what is the cavo-surface angle of prep for amalgam resto...
a-30 degreeb- 60 degree
**c- 90 degree***d- 130 degree
1
when you do amalgam finishing.....a- immediately
**b- 24 hours later****
when polishing amalgam rest .....
1- avoid heat generation by using wet polishing paste
2- wait for 24 hours
3- all ***
the roof of mandibular fossa consist of:***a-thin compact bone
b-spongy bonec-cancellous bone
2
Q- what is the copper ratio that eliminates gamma phase 2:
a- 2% copperb- 4% copper
c- 10 % copper***d- 13 % copper***
Q- pit and fissure sealants are indicated to prevent dental caries in pits and fissure:
a- in primary teethb- in permanent teeth
***c- a & b
Q- what is the best instrument used for removing UN SUPPORTED enamel at the gingival wall of class
II:a- chisel
b- hatchet***c- gingival marginal trimmer
3
Q- teeth that have lost pits and fissure sealant show…
a- the same susceptibility to caries as teeth that have not been sealed
b- higher susceptibility than non sealed teeth***c- lower susceptibility than non sealed teeth
d- the same susceptibility as teeth with full retained sealant
Q- the periodontal tissue compromise which of the following tissue:
a- gingiva and PDLb- gingiva and PDL & alveolar bone
***c- gingiva and PDL & alveolar bone & cementumd- gingiva and PDL & alveolar bone & cementum &
enamel
4
Q- which of the following may cause gingival enlargement
***a- phenyntoin (dilantin)b- cyclosporine
c- nifedipine ( a calcium channel blocker)d- aspirin
e- none of the above
صح بس مو محطوطة ومابعرف ليش وغالبا b ,c هنا كمان سقطت سهوا من اللي نقلها بعد ماطلع من االمتحان ويجوز كان
a.b.c في خيار انو الثالثة
Q- the function of the periodontal ligament includea- mechanical functionb- formative functionc- nutritive functiond- sensory function
***e- all of the above
Q- pt on treatment with steroids are placed on antibiotic after oral surgical procedure because
****a- the pt is more susceptible to infectionb- antibiotics are synergistic to steroids
c- antibiotic inhibits kerksheimer reaction d-antibiotic protect the pt from steroid depletion
5
Q- periodontally involved root surface must be root planed to
a- remove the attached plaque and calculusb- remove the necrotic cementum
c- change the root surface to become biocompatible
d- all of the abovee- a & b only
هنا كمان غالبا كل االجابات صحيحة ألنو الزم يتحقق هذا الشي بعد المعالجة - اعادة االرتباط- ازالة المالط المتمو- جعل سطح
الجذر سليما وحيويا
Q- early squamous cell carcinoma of oral cavity present as:a- vesicle
b- sessile massc- a red plaque ***d- an ulcer
e- a white cauliflower like lesion
6
Q- which of the following lesions has more tendency to show well defined multilocular
radiolucency:a- lateral periodontal cyst
b- squamous cell carcinoma of jaw bonesc- primordial cyst
***d- ameloblastomae- osteomylitis of the mandible
Q- firm, fixed neck nodes are most to be detected in association with:
a- an ameloblastomab- a basal cell carcinoma c- an odontogenic fibroma
***d- a squamous cell carcinoma
Q-Ankylosis:a- no PDL
b- caused by traumac- extracted surgically***d- all of the above
7
Q- the following medical conditions may precipitate a syncope:
1-hypoglycemia2- mild hyperglycemia
3- anti hypertensive drugs with ganglionic blocking agent
4- anti depressant therapy
a- 1 only is correctb- 1& 2 are correct
c- 2,3 &4 are correct***d-1,2,3 &4 are correct
Q- one of the main features of acute herpetic gingivostomatitis is the ulcers are confined to the
attached gingival and hard palate:a- true
***b- false
ألنو ما يكون على الهارد بالت
1. Compomer restorative materials are:a. Glass ionomer with polymer components***b. Resin systems with fluoride containing
glassesc. Composite resin for cervical restorations only
8
2. A glossy finish is best retained on a:***a. Micro filled composite resin restoration.
b. Macrofilled resin restoration.c. Hybrid composite resin restoration.
d. Fiber re -inforced composite resin restoration
3. A class IV composite resin restoration should be finished with a:
a. No. 330 Tungsten carbide bur.b. Mounted stone.
***c. 12- fluted carbide bur.d. Coarse diamond point (stone).
4. The functions of cement bases are:1-To act alike a barrier against acids or thermal
shocks.2-The minimal thickness, which is required, is 0.5
mm of base.a. 1 and 2.
b. None of the above.***c. 1 only.
9
d. 2 only.
5. It has been proven that amalgam restoration has the following characteristics:
1- Micro leakage decrease with aging of the amalgam restoration.
2- it is the least techniques sensitive of all current direct restorations.
3-High dimensional changes.a. 1,2 and 3.b. 1 and 3.
***c. 1 and 2.d. 2 only.
6. Silicate cement:1-First tooth colored restoration.
2-It can be used as permanent filling.3-It contains 15 % fluoride.
a. 1, 2 and 3.b. 1 and 2.
***c. 1 and 3.d. 1 only
10
7. . The effects of natural fluoride versus added fluoride in reducing dental caries as it relates to
the concentration are :a. Greater
b. Less ***c. The same
Q- radiographic diagnosis of bilateral expansile radio opaque areas in the canine-premolar region
of the mandible is:
a-hematomab- remaining roots
***c- tours mandibularisd- internal oplique ridge
e- genial tubercle
Q- dental carries is an endemic disease "means that the disease is:
a- occurs clearly in excess of normal expectancy****b- is habitually present in human population
c- affect large number of countries simultaneouslyd- exhibit a seasonal pattern
Q- in countries with higher annual population
11
growth rates, the need for community –based preventive programs would be greater for:
***a- dental cariesb-periodontal disease
c- dentofacial anomalies d- dental floozies.
The functions of cement bases are:1-To act alike a barrier against acids or thermal
shocks.2-The minimal thickness, which is required, is 0.5
mm of base.a. 1 and 2.
b. None of the above.***c. 1 only.
d. 2 only
Q- the x- ray of choice to detect the proximal caries of the anterior teeth is:
***a- periapical x-rayb- bitewing x-rayc- occlusal x-ray
d- non of the above
في نقاش بوحدا من النوط انو االسنان االمامية افضل وسيلة هي باالشعة المتألقة - بالعربي نسيت ايش ترجمتها بالضبط
بس لما نشوف صيغة السؤال نالقي حدد d يعني الجواب رقماالكس راي حصرا ومعناتو الجواب هنا مثل مو مختار
Q- in terms of caries prevention, the most effective
12
and most cost effective method is:***a- community based programs
b- private based programsc- individually based programs
Q- radiographic examination in impacted teeth is useful to demonstrate:
a- proximity of the roots to the adjacent anatomical structures
b- associated pathology***d- all of the above
Q- the post operative complication after the removal of impacted third molar is:
a- secondary hemorrhage b- swelling
c- paind- alveolar osteitis
***e- all of the above
Q- acute periapical abcess associated with***a- swelling
13
b- widening of PDLc- pus discharge
Q- epidemiology can be defined as :a- a study of special areas of the skin
***b- the study of the distribution and determinant of disease in man
c- study of biological animalsd- study of disease in research laboratory
Q- dental caries :a- is a transmissible disease
b- is world wide in distributionc- can be prevented***d- all of the abovee- non of the above
Q- the most accurate impression material for making impression of an oral cavity is:
14
a- impression compoundb- condensation type silicon
***c- polyvinyl siloxanes d- poly sulfide
- At which location in enamel is the density of enamel crystals is lowest:
a- Prismless enamel***b- DEJ
c-Center of enamel Prismsd-Edge of enamel Prisms
e-Facial enamel
- The Function of cement bases are:1-act a like a barrier against acids or thermal
shocks.2- The minimal thickness, which is required is .05
mm of basea-1+2
b-none of the above***c-1 only
d-2 only
- A glossy finish is best retained on a:
15
***a- Micro filled composite resin restoration.b- Macro filled composite resin restoration.
c-Hybrid composite resin restoration.d- Fiber re-inforced composite resin restoration
.
in chronic suppurative periodontitis:a - pt. complain from moderate pain
***b- fistula with drainc- pulp polyp in open coronal carious lesion
blood supply of the palate is from:a- greater palatine arteryb-lesser palatine artery
c- facial arteryd- long sphenopalatine artery
e- anatomising braches from all of the above except c
هنا ماعندي الجواب الصح مافي كتاب تشريح جنبي وحتى بالموقع كان نقاشهم مو واضح للوصول للجواب الصح بس غالبا
انا المشكلة كانت عندي ياشباب باللغة فرق بين انك e هو تدرس طول اخمس سنين بالعربي ويجي تمتحن اخر شي
باالنكليزي
mandibular branch of tigiminal nerve leaves the
16
skull through:a- foramen rotundum***b- foramen ovale
c-superior orbital fissured-inferior orbital fissure
e- juglar foramen
Q- in terms of caries prevention, the most effective and most cost effective method is:***a- community based programs
b- private based programsc- individually based programs
Q- radiographic examination in impacted teeth is useful to demonstrate:
a- proximity of the roots to the adjacent anatomical structures
b- associated pathology***d- all of the above
Q- the post operative complication after the removal of impacted third molar is:
a- secondary hemorrhage b- swelling
c- paind- alveolar osteitis
***e- all of the above
Q- acute periapical abcess associated with***a- swelling
b- widening of PDLc- pus discharge
17
Q- epidemiology can be defined as :a- a study of special areas of the skin
***b- the study of the distribution and determinant of disease in man
c- study of biological animalsd- study of disease in research laboratory
Q- dental caries :a- is a transmissible disease
b- is world wide in distributionc- can be prevented***d- all of the abovee- non of the above
Q- the most accurate impression material for making impression of an oral cavity is:
a- impression compoundb- condensation type silicon
***c- polyvinyl siloxanes d- poly sulfide
Q- formicrisol when used should be :a- full Saturated b- half saturated
***c- fifth saturated
18
d- non of the above
Q- the PH of the calcium hydroxide is:a- 7.2
***b- 12c- 19d-5.5
Q- the irrigation solution is good because:a- lubricate the canalsb- flushes the debrisc- non of the above
***d- all of the above
Q- an 18 years old pt present complaining of pain, bad breath and bleeding gingival. This began over the weekend while studying for the final exam.the
pt may have which of the following conditions:***a- acute necrotizing ulcerative gingivitis
b- rapidly progressive periodontitisc- desquamative gingivitisd- acute periodontal cyst
Q- best way to select retainer for rubber dama- contact all surface of the tooth
***b- four points of contact two buccally and two lingually without rocking
c- contact above the height of contour
19
permeability of dentine:**a- bacterial products go through it
**b- decrease by formation of smear layer**c- bacteria can go in
هذا الجواب احتارو في العلماء
Q- how can you prevent dental hyper sensitivity***a- restoration by adhesion
b- controlled by alcoholc- put sedative medication
Q- overhanging restoration margins should be removed because:
a- it provides ideal location for plaque accumulation
b- it tears the gingival fibers leading to attachment loss
c- stimulate inflammatory reaction directlyd- its removal permits more effective plaque
controle- a & d
***e- a & d
Q- which of the following may be used to disinfect gutta percha points
a- boiling
20
b- autoclave***c- chemical solutionsd- dry heat sterilization
Q- the radiographic criteria used for evaluating the successes of endodontic therapy
***a- reduction of the size of the periapical lesionb- no response to percussion and palpation test
c- extension of the sealer cement through lateral canals
d- non of the above
Q- the accesses opening for amaxillary premolar is most frequently
***a- ovalb- square
c- triangulard- non of the above
Q- mandibular foramen in childrena- above the occlusal plane
***b- below the occlusal planec- at the level
Q- a U- shaped radiopaque structure in the upper 1st molar x-ray is
***a- the zygomatic processb- maxillary sinus wall
21
Q- loss of sensation in the anterior 2/3 of the tongue is related to paralysis of
***a- lingual nerveb- hypoglossal nerve
c- chorda tympani nerve
Q- long bone formed by endochondrial ossification while flat bone by membranous calcification and
many bones by booth mechanisms***a- true
b-false
Q- the choice of local anesthesia depend on :a- diameter of the nerveb- structure of the bonec- number of branches
***d- type of L.A agent chemistry
Q- when you give inferior dental block for pedo pt the angulations for the needle
a- 7 mm below the occlusal plane
22
b- 5 mm below the occlusal planec- 7 mm above the occlusal plane
***d- at the occlusal plane
Q- main use of dental fiossa- remove calculus
b- remove over hangc- remove bacterial plaque؟؟***
d- remove food debris؟؟***
The following are types of hamartoma except:30- ***a-CementobLastomab-Compound odontomac-Complex odontoma
Most common Benign Tumer in oral cavity is:31- a-Fibroma(AmdobLashic pibroma)
هو الجواب الصح وما اذكر ايش كانت الخيارات الثانية
23
In hairy tongue, which taste buds increase in Length:39-
***a-FiLi formb-Fungi form
c-Foliated-Circumvallates
Which most common salivary gland neoplasm:41- a-Pleomorphic adenoma
كمان هو الصح
Ranula is associated with which salivary gland:42- a-submandiuLar gland***b-sublingual gland
Ranula Can be treated by:43- ***a-Excision
b-Cauterizationc-Incision
d-Marsuplization
24
كان في نقاش على الطريقة الفعالة للتخلص من الكيس الضفدعي بس غالبا انو اول شي ومباشرة باالستئصال وبعضهم واذا نكست الحالة نروح على d يقو ال اول شي بالتكوية - يعني
الشق واالستئصال
35- Which of the following spaces are bilaterally involved in Ludwig's angina?
a-SubmandibuLar and masticatory spacesb-SubLinguaL+Lat.Pha.space
****c-SubmandibuLar+SubLinguaL+submentaL
33- Neoplasm that spread by Lymphatic from the angle of the mouth reach the:a-PreauricuLar Lymph nodes
***b-mental Lymph nodes***c-submandibuLar Lymph nodes
d-Pterygoid plexuse-juguLo-digastric node
45- In radiographs, which disease cause multiple radiolucencies
a-Hypothyroidism***b-Hyperparathyroidism
c-Ricket disease
25
Aplastic anemia is caused by:46- a-Tetracycline
b-penicillinc-Erythromycin
***d-Sulfonamide
49- The movement of water across a selectively permeable membrane is called:
***a-Osmosisb-Active transport
c-Filtrationd-Diffusion
50- Cell that can give more than one type:a- Fibroblast
b- Odontoblast***c- Mesenchymal cellِ
high rate of fractures at canine area in the mandible due to:
a- cahnge direction of forces accuring here***b- long canine root
c- lower boreder is thin in this aread- alveolus is thin in this area
شخصيا كمان الجواب االول صح ألنو تغير اتجاه القوة يحدث بهاي المنطقة والمهم اذا ما كان في خيار يقول انو االثنين صح
26
فنختار طول الجذر ألنو االصح
what is the amount in mg in 1.8 ml of xylocaina- 20 mg/mlb- 1.8 mg/ml***c- 3.6 mg
non odontogenic Lesion similar to Endo Lesion:32- a-Hyperparathyroidism
***b-initial stage of comental dysplasiac-ossifying Fibromad-Dentigeaus cyste-ameLobLastoma
f-Lateral periodontal cystj-myxoma & Hemangieoma
Which virus is present in the patient's mouth all his Life?36-
a-Herpes Simplexb-Herpes zosterc-varecilla Virus
****d-None of the above
27
38- The scientific evidence in dictating that oral Lichen pLanus is a "premalignant Lesion" is:
a-Very strongb-Non-existent
c-Moderately strong***d-Weak
47- Infection is more dangerous in children than adult because
***a-marrow spaces are wideb-Affect growth centre
c-Hypo calcification in enamel
44- 10 years old child present with bilateral swelling of submandibular area, what could be the
disease:a-Fibrous dysphasia
***b-Cherubimc-polymorphic adenoma
28
48- AchiLd came to the clinic with continuous involuntary movement of his head and extremities
and difficulty in vocal communication;the condition is described as:
a-Epilepsy***b-Cerebral palsy
Odontogenic infection can cause Least complication:37-
a-Pulmonary abscessb-Peritonitis
c-Prosthetic valve infection***d-cavernous sinus thrombosis
The Common disease affecting the submandibuLar salivary gland is:
***a-salivary calculib-pleomorphic adenomas
c-Viral sialoadenitisd-Infected sialoadenitis
29
The most frequent cause of failure of a cast crown restoration is:
a- failure to extend the crown preparation adequately into the gingival sulcus
b- lack of attention in carving occlusal anatomy of the tooth
***c- lack of attention to tooth shape, position, and contacts
d- lack of prominent cusps, deep sulcus, and marginal ridges.
Polyether impression materials:a- are less stable dimensionally than poly sulfide
rubberb- are less stiff than poly sulfide rubber
****c- can absorb water and swell if stored in water
an anterior fixed partial denture is contraindicated when:
a- abutment teeth are not cariousb- an abutment tooth is inclined 15 degrees but
otherwise sound***c- there is considerable resorption of the
residual ridgesd- crown of the abutment teeth are extremely long
owing to gingival recession
30
the most accurate impression material for making the impression of an onlay cavity:
a- impression compoundb- condensation type silicone
***c- polyvinyl siloxaned- polysulfide
for the ceramometal restorations,the type of finish line is:
***a- chamferb- beveled shoulder
adjustment of contact point :a- pincile
***b- shim stockc- siloicon spray indicator
d- dental flosse- non of the above
31
benefits of opaque porcelain layer:a- bonding the metal structure
b- initiating the color***c- a & b
orthognathic ridge relationship (class II) present several problems which should be taken into consideration when constructing a complete
denture prosthesis. These include all EXCEPT:***a- require minimum interocclusal distance
b- have a great range of jaw movementc- require careful occlusion, usually cuspless teeth
are indicated
planning centric occlusion for complete denture, it is advisable to have:
***a- 1-2 mm of vertical and horizontal overlap of upper and lower anterior teeth with no contact
b- definite tooth contact of upper and lower anterior teeth in order to facilitate the use of
anterior teeth for incision
32
the distal palatal termination of the maxillary complete denture base is dictated by the:
a- tuberosityb- fovea palatinec- maxillary tori
***d- vibrating linee- posterior palatal seal
an examination of the edentulous mouth of an aged pt who has worm maxillary complete
dentures for many years against six mandibular teeth would probably show:
a- cystic degeneration of the foramina of the anterior palatine nerve
***b- loss of osseous structure in the anterior maxillary arch
c- flabby ridge tissue in the posterior maxillary arch
d- insufficient inter occlusal distance
the posterior seal in the upper complete denture serves the following functions:
a- it reduces pt discomfort when contact occurs between the dorsum of the tongue and the
posterior end of the denture baseb- retention of the maxillary denture
c- it compensate for dimensional changes which occur in the acrylic denture base during processing
33
***d- …..& b are correct
.....المرجعb & c لقيتهم مذكورين في الdecks>>> بس a كمان شكلها
..انا اختارها all of the aboveصح...لو فيه
balanced occlusion refers to:a- the type of occlusion which allows simultaneous
contact of the teeth in centric occlusion only***b- the type of occlusion which allows
simultaneous contact of the teeth in centric and eccentric jaw positions
c- a type of occlusion which is similar to the occlusion of the natural teeth
the indication for the use lingual plate major connector include:
a- for the purpose of retentionb- when the lingual frenum is high or when there is
a shallow lingual sulcusc- to prevent the movement of mandibular anterior
teeth***d- all of the above
in registering the vertical dimension of occlusion for the edentulous pt, the physiological rest
position:a- is equal to the vertical dimension of occlusion
b- may be exceeded if the appearance of the pt is enhanced
34
c- is of a little importance as it is subjected to variations
***d- must always be greater than vertical dimension of occlusion
three weeks after delivery of a unilateral distal extension mandibular removable partial denture, a
pt complained of a sensitive abutment tooth, clinical examination reveals sensitivity to
percussion of the tooth, the most likely cause is:***a-defective occlusion
b- exposed dentine at the bottom of the occlusal rest seats
c- galvanic action between the framework and an amalgam restoration restoration in the abutment
tooth
to enhance strength properties of ceramo metal restoration, it is important to:
a- avoid sharp or acute angles in the metal structure
b- build up thick layer of porcelainc- porcelain should be of uniform thickness and any defect of the preparation should be compensated
by the metal substructured- compensate any defect in the preparation equally by porcelain and metal substructure
e- 1 & 2 are correct***f- 1 & 3 are correctg- 2 and 4 are correct
35
the finish line of the core should be:a- at the finish line of the final restoration
***b- at contra bevelc- at gingival level
d- tapered with prepared tooth shape
nausea is a complaint that a new denture wearer might encounter. It may result from:
a- thick posterior borderb- denture under extended
c- denture slightly over extended***d- a & b are correct
to a great extent, the forces occurring through a removable partial denture can be widely
distributed and minimized by the following methods:
36
***a- proper location of the occlusal restsb- selection of lingual bar major connector
c- developing balanced occlusiond- all of the above
....المرجع اكيد مو صح النه c حست في هذا السؤال شوي .بس
setting ofيستخدم في ال concept هذا balanced occالcomplete denture teeth بس مو لما يكون عندنا natural
teeth.
كان قلنا lingual plate عليها كالم النه لو قال <<bو ال....ممكن
a هي اكثر وحده منطقيه النهrests هي الي تساعد to direct occlusal forces along the long accses of the ال
abutment tooth ......هذا والله اعلم
هذا الكالم نقال عن المنتدى الذي تم فيه النقاش
wich cranial nerve that petrous part of temporal bone houses:
a-trigeminal n.***b-facial n.c-vagus n.
37
d-vestibalcochealer n.
ligaments associated with TMJ:a-tempromandibularb-sphenomandibular
c-stylomandibular***d-all of the above
Ref * : The lateral temporamandibular ligament : limits the movement of the mandible in a posterior
Eruption cyst "eruption hematoma" can be treated by:11-
***a-No treatmentb-Immediate incision
c-Complete uncoveraged-Observe for one week then incise
Cholesterol crystals are found in:12- a-Keratocyst
***b-Periodontal cyst
38
Most commonly dentigerous cysts are associated with:15-
a-Unerupted permanent maxillary canines***b-Unerupted mandibular third molars
16- Histopathologically , dentigerous cyst Lining epithelium may be:a-CuboidaL in type
***b-Stratified squamous in typec-Reduced enamel epithelium
d-ALL of the above
ThyrogLossaL duct cysts:17- a-Are only found in the posterior tongue
b-Clinically present in the Lateral neck tissue***c-May be found anywhere along the pathway of
the embryonic thyrogLossaL ductd-Are sometimes called Lympho-epithelial cysts
Which of the following is a benign epithelial neoplasm?18-
a-Rhabdomyomab-Fibromac-Lipoma
39
d-Granular Cell tumor***e-Keratoacanthoma
19- Unilateral swelling + slowly progressing Lesion on the Left side of the mandible. This could be:
a-osteomab-CementobLastoma
***c-Ossifying Fibromad-Osteo-sarco
Most common site of oral squamous cell carcinoma;20-
***a-Postero-LateraL border of tongueb-Floor of the mouth
c-Buccal mucosad-Lip
e-Skin
Apical periodontal cyst arise from:13- a-Hertwig sheath
***b-Epithelial cell rest of malassez
Which is the most Likely cause of periodontal cyst?14-
a-Cell Rest of Malassezb-Cell rest of serss
40
***c-Cell of Hertwig sheet
5- The process of attraction of NeutrophiLs to a site of Local tissue injury is called:
a-Phagocytosisb-Diapedesis
***c-Chemotaxisd-Epistaxis
Action of Histamine:6-**a-Vasodilatation**b-Permeability**c-Chemokinesis
***d-bronchospasm
Formation of latral periodontal cyst due to
a-Nasolacrimal cystb-Hertwig's epithelial root sheath
c-Epithelial rest of maLassaz****d-The epithelial rests or glands of Serres
the following structures open into the middel meatus:
a-nasolacrimal ductb-posteror ethmoidal sinus
41
c-maxillary sinusd-sphenoid sinus
e-anterior ethmoidal sinus1- a,b &d2- a & b
***3- c & e4- all of the above
mastoid process is part of:***a-temporal bone
b-parital bonec-occiptal boned-frontal bone
. The term acanthosis refers to:22-a-A decreased production of keratinb-An increased production of keratin
***c-An increased thickness of the prickle cell zone (stratum spinosum)d-None of the above
The most common benign tumor in oral cavity is:21-
***a-Fibromab-Papilomac-Lipoma
42
23- The most common malignant tumors of the minor salivary glands are:
a-Adenoid cystic carcinoma and adenocarcinomab-Adenoid cystic carcinoma and acinic cell
carcinoma***c-Mucoepidermoid carcinoma and adenoid
cystic carcinomad-Mucoepidermoid carcinoma and polymorphous
Low grade adenocarcinoma
24- The moat common type of malignant bone tumor of the jaws is:
a-Osteochondrosarcoma****b-Osteosarcomac-Leiomyosarcomad-Chondrosarcoma
25- The majority of intra-oral squamous cell carcinomas are histologically:
a-Poorly differentiated***b-Well moderately differentiated
43
c-Spindle cell in typed-Carcinoma in situ
Histopathologically , early verrucous carcinomas:26-
***a-Have characteristic microscopic featuresb-can be confused with acute hypertrophic
candidiasisc-Can be confused with Lichen pLanus
d-Can be confused with chronic hypertrophic candidiasis
27- Histopathologically adenoid cystic carcinoma in characterized by islands of:
a-Basophilic islands of tumor/cells that are intermingled with areas of pseudocartiLage
b-Basophilic islands of tumor cells having a "Swiss cheese" appearance
***???[c-Basophilic islands of tumor cells having a "Swiss cheese" appearance and evidence of serous
acinid-Basophilic islands of tumor cells that contain
mucin and normal acini
28- The risk of malignant change being present in epithelium is greatest in:
44
a-Homogenous Leukoplakia***b-Erythroplakia
c-Chronic hyperplasic candidiasisd-Speckled Leukoplakia
Primary malignant melanoma of the oral mucosa:29-
a-Always originates within the surface epithelium***b-Mostly originates within the surface
epitheliumc-Always originates from nevus cells in the
connective tissued-Always originates from Langerhans cells within
Epithelium
45
)2009هذي أسئلة اضافية من النماذج الجديدة (اختبار مارس ..
[1]the body secret antibody against antigen using
which cells
-T lymphocyte
- B lymphocyte
[2]? in diabetic patient , periodontium affected by
which cells
-Neutrophil
- Macrophages
[3]. when take an x-ray to pregnant lady we use all of
this method except:
- digital x-ray
-high sensitive film
-cone??
- 8 inch??-lead apron with thyroid collar
[4]when take x-ray we should stand :
46
- 6 feet away in 90-135 angle
[5]best measurement of periodontitis by:
- pocket depth
- bleeding
attachment level-
[6]- proximal caries should be opened when
- confined within enamel….
-pass DE junction
-dentin lateraly
- all of the above
[7]-in a study ,it should???
- Protect you against role of the statistician
- Protect you against legal risks
protect against physical risks
47
8-ethics of the study include all of the following except:
-privacy of all subjects-informed consent may be required or not
-object if the subject refuse to take part of the study
9-clinical research??:
-no diff b/w blind & double blind
-if there's need of intervention
10-pit and fissure sealant:
-new erupted teeth
-deep fissure and pits in molars
proximal caries
-a&b
11. cause of angular chelitis:
-loss vertical dimension pt have complete denture-autoimmune factors
-............
12. ugly duckling stage:
48
-9-11 years old
-13-15 years old7-9-
13- component of Gutta percha:
-50% Gp & 50%?
-20% Gp & 70% ZOE
??
14. all are irrigation for canals except:
-naocl
-RC prep
15. for post preparation we should leave ……mm of GP:
-
10mm-
-5mm
16.enamel caries :
49
-outer zone free of….?
- outer zone contain high pores
17. most common bacteria causing caries:
- streptococcal mutans
18. proximal caries confined to enamel:
- prevention
-observation
-restore with G I
19- in community diagnosis and treatment program:
water flouridation-
- ?? diagnose, prevent, treat
-?
20- pass throw parotid gland:
50
-facial nerve
-facial arteries
-external carotid viens
-
21. porcelain shrinkage after firing:
- 1-5%
-5-10%
10-20%-
-
22. the cement under MOD amalgam have this character:
-high modulus of elasticity(stiff)
-low modulus of elasticity ( stiffness)
-the high modulus of elasticity prevent of bonding and ??decrease tensile strength.
- both a &c
23. radiographic radioulucency in the interradicular area:
51
-invasion of furcation.
-periodontal abcess
-periodontal cyst
24. examination of pt health by the dentist:
to know the patients health to know what medications to give-
??-
- to know general health data
25.2 statement true or false:
RCT abutment of FPD have higher risk for fracture.abutment which have RCT in cantilever
FPD have higher susceptibility to fracture-
1st is true,2nd is false1st is false,2nd is true-
-both are false
-both are true
26. both glass ionomer & polycarpoxylate cement contain:
52
-polyacrylic acid-ZOE powder
27.most frequent cause of fainting in dental office:
vaso-vagal shock-diabetes
....
....
28-loss of consciousness most frequent cause:
syncopeCO2 ...
29. most common cyst oral cavity:
-radicular
peridontal cyst-
30.ostomilitis most in:
-maxilla
-mandible
-
31. factors delay healing of wound:
53
infection-
torn wound edges-
-strain
- all of the above
32. factor interfere with healing??:
poor suturing -
-infection
??-
33. dry socket happen after:
-
-24 h
-3-5days
-1week
-2weeks
34.compared to herpetic ulcers...aphthous ulcers are:
54
-small size?
-in mucosa lining
leave scars..-
35. avulsion more important factor that affect reimplantation :
contaminated roots-
-time since the avulsion
-
-
36.nicotine stomatitis:
-palate…….hyper??
hyperplasia -
-
- rickl??like shape prominent …base…
37. dentinogenisis imperfecta have all except:
-broken enamel
-blue sclera
55
-broken bone
-super numerary teeth
38.most sign of fracture of mandible:
-nose bleeding
-malocclusion
parasthesia
39.hairy tongue is elongation of:
-fungiform papilla
-filiform
-
40-What supply the gingival buccal tissue of premolars,canines and incisors:
-
-long buccal
inferior alveolar nerve
superior alveolar nerve-
56
41-drainage of tip of the tongue:
submandibular lymph nodes--submental
42.Cementum in cervical 2/3 have:
-acellular intrinsic fiber
-acellular extrinsic fiber
cellular mixed fibers
intermediate cementum-
43.periodontal attachment contain of:
???-
??-
-epithilum, sulcus, connective tissue
44. pins are insert into:
-enamel
-dentin
57
-DEJ
-all
45. after etch enamel and bond it with 5th generation the strength of?:
-5-10Mp
-25Mp
-30Mp
-100Mp
46.LA in mg if epinephrine 1:100 000 in 2% xylocaine:
-
.01 mg-
-1.8 mg
-3.6mg
47. composite restoration that was matching in shade ,after one week it became much lighter..the
reason could be:
-……….light started photoinitation
58
-absorption water
shade selected after rubber dam-
???-
48. disadvantage of digital x-ray except:
-large disk space Storage
- clarity and resolutionexpensive-
-
49. treatment of fungal infections:
penicillin-
tetracycline-
???-
-nystatin
50. properties of ideal endo obturation material are all except:
biocompatible-
-radiolucnt
59
51.vibrating line :
-b/w hard & soft palate
-b/w mobile and non mobile soft tissue
-????
52. pt have hyperventilation in clinic most couse:
- reduced of CO2
-increase CO2
-anxiety
53. all relate to retention of maxillary complete denture except:
-tongue movement
-type of saliva
54. most difficult of extract:
mand. 3rd molar with mesioangular fused roots-
??-
60
-mand 3rd molar with distoangular angulation with divergent curve roots
-
55.very important part in endo treatment:
-
-complete depridment of the canal
-
56.perio endo lesion the primary treatment:
- endo treatment
-deep scaling and root planning
57.provisional luting cement:
prevent restoration from dislodgement-?-
?-
-sealing??
61
58. contra indication to extraction:
-cardiac pt
-previous recent radio therapy
??-
59. base of the flap should be wide for:
--??healing-better blood supply to the wound
60.supra calculus all true except:
??-
- easy to detach
- has component of saliva
61.to prevent perio problem MOST effective method is:
community program-
-removal of plaque
-patient education
62
62. thickness of luting cement:??
100 micrometer-
-40micro meter
-1mm
-
63. formacresol used in:
- full concentration
- 5th concentration
one fifth concentration
64. zinc phosphate cement:
-mechanical attachment
Chemical
65. traditional Glass ionomer:
- mechanical bonding
acid-base reaction
63
66.pontic design of an FPD:
-Same size buccolingually of the missing tooth
-smaller than missing buccolingually
wider buccolingually -non of the above
67. Maryland bridge:
-use with young
to replace single missing tooth-?
68. false negative response of an electric pulp test given:
-after trauma
periodontal disease-
- in teenager
-
69. young with open apex examination test:
-reliable
64
-non reliable
Non of the above
???
70.primary teeth had trauma, tooth change in color become white yellowish ,what should u tell the
parents:
-pulp is dead
-inflammation of pulp
-calcification of dentin
B&c
70. best media for the avulsed tooth:
-milk-water
71-in enamel caries passing half of enamel:
-leave it-restoration
?????
65
72-biological depth:
crestal bone to gingival sulcus
66
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