Multiple Choices Flashcards by Phannita Siriwattanawong

The X-ray features of ameloblastoma does not include
A.Multi-cavity cystic shadow
B.Root absorbtion
C.Helioid notch
D.Irregular borderline

C.Helioid notch

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What is the key indicator for the diagnosis of periodontitis?

A.Gingival redness and swelling
B.Gingival bleeding
C.Formation of periodontal pocket
D.Formation of gingival pocket

C.Formation of periodontal pocket

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The maxilla has three pairs of vertical pillars. Which one is not the vertical pillars of the maxilla?
A.Palatine process pillar
B.Frontonasal pillar
C.Pterygoid process pillar
D.Zygomatic process pillar

A.Palatine process pillar

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Before receiving radiotherapy, patients need to do some oral preparation. Oral preparation before radiotherapy does not include

A.Tooth cleaning
B.Remove metal crown
C.Fill decayed tooth
D.Fix loose tooth

D.Fix loose tooth

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The most common clinical signs of jaw fracture are

A.Hydrostomia
B.Limited mouth opening
C.Swelling and pain
D.Malocclusion

D.Malocclusion

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Which one of the following does not belong to systemic factors in the etiology of acute bacterial sialadenitis?

A.Reduced salivary flow
B.Weakened immunity
C.Recent large surgical operation
D.Fluid and electrolyte imbalance

A.Reduced salivary flow

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Which of the following is not a risk factor ofperiodontal disease?

A.Diabetes
B.Smoking
C.Congenital heart disease
D. Stress

C.Congenital heart disease

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Non-surgical treatment of caries do not include

A.Remineralizative therapy
B.Antimicrobial therapy
C.Fluoride treatment
D.Pit and fissure sealin

B.Antimicrobial therapy

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Which of the following is not the branch of the external carotid artery ?

A.Lingual artery
B.Superior thyroid artery
C.Subclavian artery
D.Superficial temporal artery

C.Subclavian artery

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Under which conditions, caries can become arrest?

A.Reduced sugar intake
B.Increased immunity
C.Disappear of the environment that cause caries
D.Reduced number of cariogenic bacteria

C.Disappear of the environment that cause caries

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Which one of the following is not a major factors that determining the severity of infection in oral region:

A.Anatomic location
B.Airway compromise
C.Mental state
D.Clinical presentation

C.Mental state

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For pericoronitis of wisdom teeth, which treatment is not suitable in acute stage?

A.Drainage
B.Tooth extraction
C.Antibacterial drugs
D.Analgesia

B.Tooth extraction

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Which one of the following is not indications for debridement of central osteomyelitis of mandible?

A.Secondary marginal esteomyelitis
B.Incurable fistula after proper treatment
C.Sequestrum formation
D.1-2 weeks after acute inflammation

C.Sequestrum formation

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Which description of plaque is wrong?

A.Glucose metabolism in dental plaque play important roles in caries
B.Subgingival plaque can cause periodontal diseases
C.Supragingival plaque can cause dental caries
D.Acquired pellicle can not be form on dentures

D.Acquired pellicle can not be form on dentures

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Which of the following oral infectious diseases is not common?

A.Pulpitis
B.Osteomyelitis in maxilla
C.Cellulitis
D.Pericoronitis

B.Osteomyelitis in maxilla

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The main reason that periodontitis cause tooth loosen is

A.Acute periapical periodontitis
B.Alveolar bone resorption
C.Periodontal pocket formation
D.Acute inflammation of gingiva

B.Alveolar bone resorption

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Which one is not a component of the temporomandibular joint?

A.Articular ligaments
B.Condylar process
C.Coronoid process
D.Articular fossa

C.Coronoid process

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What’s the classifications of maxillary fractures?

A.Le fort—Ⅰ,Ⅱ,Ⅲ
B.Kibbling fracture
C.Fractures of median
D.Untypical fracture

A.Le fort—Ⅰ,Ⅱ,Ⅲ

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Which one of the following is the main pathogenic bacteria of periodontal disease?

A.Streptococcus mutans
B.YGingivitis
C.Porphyromonas gingivalis
D.Actinomyces

C.Porphyromonas gingivalis

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Which one of the following anesthetics has the least toxicity (in same dose and concentration)?

A.Procaine
B.Lidocaine
C.Tetracaine
D.Bupivacaine

B.Lidocaine

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The most common oral malignancies in China is

A.Buccal cancer
B.Tongue cancer
C.Palate cancer
D.Gingival cancer

B.Tongue cancer

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Which is not the clinical feature of acute viralsialadenitis?

A.Purulent discharge at the duct orifice
B.Sudden and painful swelling of one or both parotid glands
C.Clear saliva secretion
D. Fever

A.Purulent discharge at the duct orifice

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When stimulated, the saliva secreted by the parotid gland accounts for

A.50% of the total saliva
B.15% of the total saliva
C.65% of the total saliva
D.20% of the total saliva

A.50% of the total saliva

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Which one is not histological composition of gingival epithelium?
A.Junctional Epithelium
B.Lining Epithelum
C.Sulcular Epthelium
D.Gingival epithelium

B.Lining Epithelum

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1% Dicaine is mainly uesd in A.Superficial anesthesia B.General anesthesia C.Block anesthesia D.Infiltration anesthesia

A.Superficial anesthesia

Which nerve controls the sensation of the palatal roots of the maxillary first molars? A.Anterior palatine nerve B.Middle superior alveolar nerve C.Posterior superior alveolar nerve D.Inferior alveolar nerve

A.Anterior palatine nerve

Which of the following descriptions of pregnancy gingivitis is wrong? A.Pregnancy gingivitis will not happen if there is no local irritants and plaque B.Symptoms are most severe in the sixth month C.Two months after delivery, gingivitis returned to pre-pregnancy levels D.Increase in circulating levels of oestrogen, progesterone and their metabolites increase in gingival vasculature and the permeability of the capillary network

C.Two months after delivery, gingivitis returned to pre-pregnancy levels

The main clinical manifestation of oral lichen planus is A.Pigmentation B.Erosion C.Ulcer D. White stripe

D. White stripe

The main type of alveolar bone resorption in adult patients with advanced periodontitis is A.Vertical absorption B.Irregular absorption C.Slope absorption D.Horizontal absorption

B.Irregular absorption

Which one of the following is the main pathogenic bacteria of periodontitis A.Actinomyces B. Fusobacterium nucleatum C.Porphyromonas gingivalis D. Streptococcus mutans

C.Porphyromonas gingivalis

For the etiology of acute bacterial sialadenitis, which one does not belong to systemic factors? A. Weakened immunity B. Recent large surgical operation C. Fluid and electrolyte imbalance Systemicfactor D. Reduced salivary flow

D. Reduced salivary flow

1% Dicaine is mainly uesd in A. Block anesthesia B.Superficial anesthesia C. General anesthesia D. Infiltration anesthesia

B.Superficial anesthesia

The four processes of the maxilla do not include A. Palatine process B. Frontal process C. Temporal process D. Alveolar process E. Zygomatic process

C. Temporal process

Non-surgical treatment of caries do not include A. Fluoride treatment B. Pit and fissure sealing C. Antimicrobial therapy D. Remineralizative therapy

C. Antimicrobial therapy

It is correct about arrested caries: A. developing very quickly B. usually no symptoms C.always localize on the occlusal surlace D. usually need root canal treatment

B. usually no symptoms

Which bone dose not attache to the medial pterygoid muscle? A. Maxilla B. Sphenoid C. Palatine D.Temporal E.Mandible

D.Temporal

Which drug cannot cause gingival overgrowth? A. Ciclosporin B. Phenytoin C.Warfarine D. Nifedipine

C.Warfarine

Of 3 paired major salivary glands, which one is seromucous (predominantly mucous) A. Submandibular gland B.Sublingual gland C.Parotid gland D. None of the above

B.Sublingual gland

Which of the following is not a risk factor ofperiodontal disease? A. stress B. diabetes C.smoking D. congenital heart disease

D. congenital heart disease

Which one is not odontogenic jaw cyst? A. Radicular cyst B. Thyroglossal tract cyst C. Keratocyst D. Dentigerous cyst

B. Thyroglossal tract cyst

. Which tooth's root is closest to the floor of the maxillary sinus? A. Third molar of maxillary B. Canine of maxillary C. First molar of maxillary D. Lateral incisor of maxillary

C. First molar of maxillary

Maximum allowable dose of 2% Lidocaine in local anesthesia is A. 40ml B. 30ml C.20ml D.10ml E. 35ml

C.20ml

Under what circumstances will caries become arrested? A. Increased immunity B. Reduced number of cariogenic bacteria C. Disappear of the environment that cause caries D. Reduced sugar intake

C. Disappear of the environment that cause caries

Which is the most common tumor of saliva glands? A. adenoid cystic carcinoma B. pleomorphic adenoma C. warthin's tumour D. mucoepidermoid carcinoma

B. pleomorphic adenoma

What is the key indicator for the diagnosis of periodontitis? A. Gingival bleeding B. Gingival redness and swelling C. Formation of gingival pocked D. Formation of periodontal pocket

D. Formation of periodontal pocket

Which is NOT the clinical feature of Acute viralsialadenitis? A. Purulent discharge at the duct orifice B. Sudden and painful swelling of one or both parotid glands C.Clear saliva secretion D. Fever

A. Purulent discharge at the duct orifice

The advantages of adding adrenaline to local anesthesia drugs do not include: A. Vasoconstriction B. Slowing down drug resorption C. Retain effecting time D. Prevent syncope

D. Prevent syncope

Which one of the following treatments for acute viral sialadenitis is wrong? A. Quarantine period: 7d from the onset of diagnosis B. Antiviral treatment C. Massive water drinking, fluid infusion D. Bed rest

A. Quarantine period: 7d from the onset of diagnosis

For acute pulpitis, the common method of locating the affected tooth is A. Probe B. X-ray C. Electric pulp test D. Temperature test E.Percussion

D. Temperature test

Which of the following is NOT included ininitial periodontal therapy? A.occlusal adjustment B. Antimicrobials C.Surgical treatment D. Scaling and root planing

C.Surgical treatment

Which of the following is not the branch ofthe facial nerve? A. Cervical branch B. Temporal branches C. Marginal mandibular branch D. Lingual branch

D. Lingual branch

Which treatment is not suitable in acute stage of pericoronitis of wis A.建立引流 Drainage B.镇痛 Analgesia C.对症治疗 Symptomatic treatment D.去除病因Toothextrctio

D.去除病因Toothextrctio

Which permanent teeth have the highest caries rate? A. Maxillary central incisor B. Mandible first molar C. Maxillary first molar D. Maxillary second molar E.Mandible central incisor

B. Mandible first molar

What's the classifications of maxillary fractures? A. Untypical fracture B. Fractures of median C. Le fort-1,11,111 D. Kibbling fracture

C. Le fort-1,11,111

A middle aged women with symptoms of parotid gland enlargement; lazed oral mucosa; lobulated beefy-red tongue difficulty in eating dry foods, swallowing and speaking. The following test are helpful for diagnosis (multiple answer) A. Schirmertest B. C-reactive protein C. Sialometry D. Labial gland biopsy E. Procalcitonin F. Detection of autoantibodies anti-SS-A,SS-B, RF

A. Schirmertest C. Sialometry D. Labial gland biopsy F. Detection of autoantibodies anti-SS-A,SS-B,

The X-ray features of the Ameloblastoma include(Multiple answers) A. Root absorption B. Periosteal reaction C. Containing teeth D. Multi-cavity cystic shadow E. Half-moon notch F. Irregular borderline

A. Root absorption D. Multi-cavity cystic shadow E. Half-moon notch F. Irregular borderline

Treatments of Chronic gingivitis include (multiple answers) A. Periodontal surgery B. Eliminationof plaque-retentive factors C.Subgingival scaling and polishing D. Supragingival scaling E. Systemic tetracycline therapy

B. Eliminationof plaque-retentive factors C.Subgingival scaling and polishing D. Supragingival scaling

Precancerous lesions of oral cancer include (Multiple answers) A. Leukoplakia B. Chronic ulcer C.Pemphigus D. Lichen planus E. Erythema F. Lupus erythematosus

A. Leukoplakia B. Chronic ulcer D. Lichen planus E. Erythema

Pulpitis pain's characteristics include(Multiple answers) A. Intensified by chewing B. Deep pain C.Intermittent D. Maybe well localized E. Maybe relieved by cold

A. Intensified by chewing C.Intermittent

What's the classifications of maxillary fractures? A. Le fort—I,II,III B. Fractures of median C. Untypical fracture D. Kibbling fracture

A. Le fort—I,II,III

Which muscle of the mastication can not elevate the mandible? A . Masseter B. Temporalis C. Medial pterygoid muscle D. Lateral pterygoid muscle

D. Lateral pterygoid muscle

Which one is not odontogenic jaw cyst? A. Dentigerous cyst B. Keratocyst C. Radicular cyst D. Thyroglossal tract cyst

D. Thyroglossal tract cyst

Which is notthe common infection in oral region? A. Pericoronitis B. Osteomyelitis in maxila C. Cellulitis D. Pulpitis

B. Osteomyelitis in maxila

Which one is not odontogenic jaw cyst? A. Dentigerous cyst B. Keratocyst C. Radicular cyst D. Thyroglossal tract cyst

D. Thyroglossal tract cyst

Which is notthe common infection in oral region? A. Pericoronitis B . Osteomyelitis in maxila C. Cellulitis D. Pulpitis

B . Osteomyelitis in maxila

It is correct about arrested caries: A usually no symptoms B. always localize on the occlusal surface C. developing very quickly D. usually need root canal treatment

A usually no symptoms

Choose the correct points about the oralmanifestation of HIV I A. Oral manifestations are often the second clinical feature behind genitals of AIDS B. Oral fungal infections are common manifestations of AIDS C. Linear Gingival Erythema is caused by virous in AIDS D. None of above is correct

B. Oral fungal infections are common manifestations of AIDS

Which is the most common tumor of salivaryglands? A. pleomorphic adenoma B. warthin's tumour C. adenoid cystic carcinoma D. mucoepidermoid carcinoma

A. pleomorphic adenoma

W h a t is not the major factor of determining the severity of infection inoral region: A. clinical presentation B. anatomic location C. mental state D. airway compromise

C. mental state

Which of the following is not a risk factor ofperiodontal disease? Multiple-Choice (3 Points) A. stress B. smoking C. congenital heart disease D. diabetes

C. congenital heart disease

Which drug cannot cause gingival overgrowth? A. Phenytoin B. Ciclosporin C. Nifedipine D. Warfarine

D. Warfarine

Which of the following is not the branch ofthe facial nerve? Multiple-Choice ( 3 Points) A. Temporal branches B. Marginal mandibular branch C Cervical branch D. Lingual branch

D. Lingual branch

Which of the following is NOT included ininitial periodontal therapy? A. Scaling and root planing B. Antimicrobials C. Surgical treatment D. occlusal adjustment

C. Surgical treatment

Which is correct about pulpitis in the following: A. Pain is the necessary symptom to diagnosis pulpitis B. may be moderate to severe hypersensitive to biting pressure in the early stage C. spontaneous pain D. pulp is commonly necrosis

A. Pain is the necessary symptom to diagnosis pulpitis

Which is NOT the clinical feature of Acute viralsialadenitis? A. Fever B. Sudden and painful swelling of one or both parotid glands C. Purulent discharge at the duct orifice D. Clear saliva secretion

C. Purulent discharge at the duct orifice

Which of the following is not the branch of the external carotid artery ? A. lingual artery B. superficial temporal artery C. subclavian artery D. superior thyroid artery

C. subclavian artery

Multiple Choices Flashcards

(76 cards)