SAM LYHENG DENTISTRY Dental Imagery
���េលថតយើងប្រទះឃើញរូបធ្មេញវែងេ្រព្រោះអ្វី?:
CR˔ AXE ធ្មេញ
CR˔ ផែនហ្វីល
CR˔ ជាមួយ bisector
CR˔ ជាមួយ Face occlusal
Cone វែងមានប្រវែង>:
25 cm
29 cm
41cm
31cm
F.FD ជាចមា្ងយ
���ីFocal spot ទៅ Object ថត
���ីFocal spot ទៅ Film
���ីFocal spot ទៅ Bisector
���ីObject ថត ទៅ Film
Periapical Radiograph មានប៉ុន្មានTechnique:
3
2
4
5
Bisecting Technique ប្រើបា្រស់មុំដែលេកើតពី:
Axe ធ្មេញផែន Occlusale
Axe ធ្មេញផែន Film
���ែនហ្វីល Floor of Mouth
���ែនហ្វីល Face Occlusaleធ្មេញ
���្នុងបច្ចេកទេសផែនស្រប (Paralleling Technique) C-R (Central Ray):
���ែងជាមួយផែនហ្វីល និង Axe ធ្មេញ
���ែងជាមួយ Bisector
���ែងជាមួយផែនទំពារ
���ែងជាមួយផែន ដែលកែងជាមួយAxeធ្មេញ
���ំណោះស្រាយដើម្បីលប់បំបាត់ Penuon bra:
���ាក់ហ្វីលឲ្យឆ្ងាយពីរបស់ថត
���ាក់ហ្វីលក្បែររបស់ថត
���ាក់ឲ្យកែងជាមួយរបស់ថត
���ម្លើយក្នុងសំណួរទាំងបីត្រឹមត្រូវ
2D បានន័យថា:
���្ទៃសងខាងរបស់ហ្វីលគ្មានEmulsion
���្ទៃសងខាងរបស់ហ្វីលមានEmulsion
���្ទៃម្ខាងរបស់ហ្វីលមានEmulsion
Support ស្ថិតកណ្ដាលហ្វីល
Long Cone មានប្រវែង:
30cm
41cm
46cm
39cm
Short Cone មានប្រវែង:
19cm
20cm
17cm
22cm
���ាំរស្មី X ជា:
Corpuscle
Paticles electisées
Onde Electique
Electo Magnetic wave
���ាំរស្មី X រកឃើញដោយលាក:
Geissler
Coolidge
Crookes
Wilhem Conrad Roentgen
1 kilovolt (KV) ស្មើរ:
1 kilovolt = 10volt
1 kilovolt = 100volt
1 kilovolt = 1000volt
1 kilovolt = 10000volt
���ាំរស្មី X រកឃើញនៅឆ្នាំ:
1914
1900
1910
1895
Kilovolt ជា ::
Intensity នៃចរន្ត
���ាមពលអគ្គិសនី
���ាចមា្ងយដល Electronរត់ក្នុងខ្សែលូស
���ាមពលនៃកាំរស្មី X
���ើម្បីការពារកុំឲ្យមានគ្រោះថ្នាក់ :(Biologic effects) ដែលបណ្ដាលមកពី X-Rays អ្នក::
���ិនស្ថិតនៅក្នុងaxeរបស់X-ray
���្រូវធ្វើRadioscopiesធ្មេញ
���ិនត្រូវស្ថិតក្រោយmachineថត
���្រូវមានDosimetre
Focal Spot ជាចំណុច ឬផ្ទៃដែល ::
Electronsចេញ
���ំណុថដែលមានFilament
���ំណុចដែលX-Rayចេញពីកន្លែងផលិតរបស់វា
���ា Anode
���ាំរស្មី X តែង:
���្ដល់គ្រោះថ្នាក់ចង្រៃដល់យើង
���្ដល់ផលល្អដល់យើង
���ានលក្ខណដូចពន្លឺព្រះអាទិត្យ
���ម្លើយទាំងអស់ត្រឹមត្រូវ
���េប្រើប្រាស់Rxសម្រាប់ថតរចនាសម្ព័ន្ធនៃរាងកាយមនុស្សបានដោយសារ
���ាំរស្មីxមានល្បឿនដូចពន្លឺ
���ាំរស្មីx ឆ្លងកាត់ខ្លួនមនុស្សបាន
���ាំរស្មីxជាElectro Magnetic Wave
���ាំរស្មីxជា ionizing irradiation
���ាំរស្មី X មើលឃើញដោយ::
���្នែកទទេ
���ាមរយមីក្រូទស្សន៏ធម្មតា
���ាមរយPlatino cyanure de baryum
���ាមរយTungstate de calcium
���ើ Sinus ធម្មតាមានភាពយ៉ាងណា?:
Opaque
Transparent
���ូចចុះអាប់
Opaque ពាក់កណា្ដល transparent ពាក់កណា្ដល
���េលថតហ្វីលOcclusalស្ថិតកន្លែងណា?:
���ើផែនទំពារ
���ាងFace linguale
���ាងFace Vestibulaire
���្រោមMandibule
Occlusal Radiography មើលឃើញ:
Axe mesidistal របស់ឬសធ្មេញ
Axe Z របស់ធ្មេញ
Long axis of tooth
Mandibular Canal
X-Ray ចេញពីបំពង់ថត១ចំនួន?:
���្រូវស្រូបដោយ object ថត
���្រូវស្រូបដោយហ្វីលថត
���្រូវស្រូបដោយពិដាន ជញ្ជាំង Floor
���្រូវប្រែក្លាយជាX-Rayបន្តទៀត
���វាងDeveloper Solution & Fixer Solution ឃា្លណាមួយមិនតឹ្រមត្រូវ?:
Developer Solution ប្រើបា្រស់បានយា៉ងយូរ៧ៃថ
Developer Solution ឆាប់ប្រែពណ៍
Fixer Solution មិនងាយប្រែពណ៍
Developer Solution មិនងាយខូច
Paralleling Technique មិនសូវប្រើច្រើនដូច Bisecting Technique ព្រោះ? (ចូររកឃា្លខុស)?:
Paralleling Technique ប្រើហ្វីល Holder
Paralleling Technique ប្រើពេលថតយូរ
Paralleling Technique ឲ្យរូបមិនល្អ
Bisecting Technique ស្រួលប្រើ
Latent image កើតឡើងដោយសារ:
A- Static electricity
B- វិទ្យុថត
C- ការបត់ហ្វីលមុនថត
D- ការភា្ជប់រូប ( Fixage )
A- Static electricity
B- វិទ្យុថត
C- ការបត់ហ្វីលមុនថត
D- ការភា្ជប់រូប ( Fixage )
1- A & D
2- A, B &C
3- D
4- D&C
���េមិនឲ្យបត់ហ្វីលពេលថតព្រោះ
���្វីលមានឆ្នូតខ្មៅ
���្វីលឆាប់រហែក
���្វីលរហែក
���្វីលទុកប្រើប្រាស់យូរមិនបាន
���ិទ្យុថតផែនស្របមានឈ្មោះបី(ឃា្លណាមិនតឹ្រមត្រូវ)?:
Right Angle Technique
Parallelling Technique
Long cone Technique
Short cone Technique
���ូលហេតុអ្វី ការពិនិត្យវិទ្យុថតមិនមានលក្ខណស្តង់់ដារ(standard) តើឃា្លណាមិនតឹ្រមត្រូវ?:
���ិទ្យុថតប្រើIonizing Irradiation
���ិទ្យុថតផ្ដល់គ្រោះដល់កោសិការស់
���ិទ្យុថតអាចបង្កើតCancer
���ិទ្យុថតផ្ដល់ផលល្អដល់យើង
���េតុដូចម្ដេច Bisecting technique មើលមិនឃើញ Recurrent Carie ដូច bitewing Radiograph:
Bitewing ថតបានធ្មេញលើក្រោម
Periapical (bisecting)ថតឃ់ញធ្មេញទាំងមូល
Periapical ប្រើមុំ Vertical ធំ
Bisecting technique ប្រើមុំ vertical តូច
���ូប Radiotransparent មានមូលហេតុមកពីអ្វី?:
X-rayប៉ះហ្វីលច្រើន
X-rayប៉ះហ្វិលតិច
Objectតាន់ខ្លាំង
Objectមានទម្ងន់់atomiqueខ្ពស់
���េល electron រត់ទៅបក target (Focal spot) តើមានអ្វីកើតឡើង1% នៃអគ្គិសនី?:
���ំដៅ
���ាំរស្មីពន្លឺ(light)
Onde electrique
X-Ray
76. ពេលភា្ជប់ Contact High tension element ឈ្មោះអ្វីដែលរត់ពី Cathode ទៅ anticathode? (ឃា្លណាខុស):
Photon
Electron
X-Ray
Atom
���ូប Radio opaque (ពណ៌ស) មានមូលហេតុមកពីអ្វី?:
X-Rayប៉ះFilmច្រើន
X-Rayប៉ះFilmតិច
Objectមានកំរាសស្ដើង
Objectមានទម្ងន់atomicទាប
���្រើ High Speed Film មានផលចំណេញអ្វីខ្លះ?:
���្វីលHigh Speedមានតម្លៃថោក
���្វីលHigh Speedបន្ថយការប្រើប្រាស់X-ray
���្វិលHighផ្ដល់គ្រោះថ្នាក់ដល់អ្នកជម្ងឺ
Film High Speedការពារគ្រោះថ្នាក់កោសិកា
Support របស់ហ្វិលជាស្រទាប់:
���ណ្ដាលរបស់ហ្វិល
���ាស្រទាប់សងខាងរបស់ហ្វីល
���ាស្រទាប់Emulsion
���ាស្រទាប់កាវរបស់ហ្វីល
���្នុង Lateral oblique of mandible ក្បាលអ្នកជំងឺត្រូវទេរមករក:
���្ទៃដែល X-Ray ចូល
���្ទៃដែលគ្មានជម្ងឺ
���្ទៃដែលត្រូវថត(មានជំងឺ)
���្ទៃដែលមិនត្រូវពិនិត្យ
William Conrad Roentgen រកឃើញ X-Ray តាមរយ:
Phosphate Ca
Carbonate Ca
Platinocyanuse barium
Zinc phosphate
���្នុងបចេ្ចកទេស Film Extraoral, Film low speed ឲ្យរូប:
���្អជាងហ្វិល High Speed
���្យរូបមិនសូវល្អដូចហ្វិលHigh Speed
���ូចរូបល្អដូចគ្នា
���វាង Screen ទាំង២ (Front Screen & Back Screen) ចូររកឃា្ល ដែលត្រូវ:
Front Screen មាន Cristaux ធំ
Front Screen មាន Cristaux ល្អិតត
Back Screen មាន Cristaux ល្អិត
���ាំងពីរមាន Cristaux ដូចគ្នា
Lateral Oblique of mandible ពេលថតតំបន់ Premolar តើ C.R ចង្អុលត្រង់ណា?:
Incisor
Premolar
Molar
Third Molar
���ំពោះ P.A of mandible C.R ចូលត្រង់:
At Level of Goniaque angle and Sagittal Plane
Third molar
Premolar
Central Incisor
X-rays and Gamma rays are a form of:
Light
Particle radiation
Electromagnetic radiation
All are corrects
Undercut is the loss of resolution at a sharp, thickness transition area due to:
Scattering within the part
Backscatter
Sidescatter
Scattering within the film
Image quality indicators (IQIs) provide information about the level of:
Resolution and contrast sensitivity
Resolution and film latitude
Contrast sensitivity and latitude
Contrast sensitivity only
The number of X-ray or Gamma photons that are transmitted through a material depends on the:
Energy of the photons
Thickness of the material
Atomic number of the material
All of the above
Bremsstrahlung production of X-rays produces radiation that is composed of:
A small number of very defined energies
A continuous spectrum of energies over some range
Radiation of only one energy
None of the above
Which two types of radiation-matter interactions account for the majority of attenuation in typical industrial radiography?
Compton Scattering and photoelectric absorption
Compton Scattering and pair production
Pair production and photoelectric absorption
None of the above
X-ray generators produce radiation through:
Bremsstrahlung processes
K-shell emmission processes
Radioactive decay
Bremsstrahlung processes and K-shell emmission processes
Radiation beam filters are sometime used in X-ray radiography to:
Remove some of the low energy radiation to increase definition
To remove some of the low energy radiation to increase contrast sensitivity
Remove some of the low energy radiation to reduce definition
All are corrects
Lowering the energy of the radiation used to produce a radiograph will generally result in:
Less latitude
Higher contrast sensitivity
A Longer exposure time
All of the above
Radiographic contrast describe:
The sharpness of lines in a radiograph
The differences in photographic density in a radiograph
The average photographic density in a radiograph
The difference in density between two different radiographs
A specific radioactive source will always produce gamma rays at the same:
Intensity
Activity
Energy levels
None of the above
X-rays and Gamma rays:
Always travel in a straight line
Can be influenced by an electrical field
Can be influenced by a magnetic field
None of the above
X-rays and Gamma rays are often referred to as photons because:
They possess a charge
They have mass
They occur as small packets of energy
None of the above
Newtons Inverse Square Law is useful in radiography because it indicates how the radiation intensity is affected by:
Radioactive decay
Distance from the source
The size of the source
None of the above
The main advantage of real-time radiography over film is:
Higher image contrast sensitivity
Inspection can be performed more rapidly
Higher image definition
Lower equipment costs
Higher energy radiation will have more:
Speed
Incident Intensity
Penetrating power
Incident Intensity and Penetrating power
Image quality indicators are usually placed:
Anywhere on the back side of the film
On the front side of the film near the primary area of interest
On the front side of the test component in an area of similar thickness to the primary area of interest
On the back side of the test component in the area of interest
Exposure to ionizing radiation can be limited:
With the use of shielding
By increasing distance form the source
By limiting the time exposed to the radiaiton
All of the above
The Film contrast is determined by:
Type of film used
Process by which the film was developed
Radiation energy used
Type of film used and the process by which the film was developed
Collimators are used to:
Reduce the radiation beam spread
Filter the radiation beam
Increase film latitude
Decrease film latitude
Stationary lab or shop X-ray systems usually rely on what to limit exposure to the radiation?:
Distance controls
Time limits
Shielding
All of the above
The amount of geometric unsharpness in a radiograph is affected by:
The source to film distance
The source to object distance
The size of the source
All of the above
X-rays and Gamma rays:
Are both affected by radioactive decay
Are both produced by a radioactive atom
Have completely different properties
Differ only in their source
Radiographic inspection should be used for crack detection only when:
The crack is large
The test componet is a casting
The test component is a weldment
The orientation of the crack is known
Who is given credit for the discovery of radioactive materials?:
Henri Becquerel
Wilhelm Roentgen
Marie Curie
Pierre Curie
Unexposed X-ray film is comprised of a plastic, transparent base coated with an emulsion containing radiation-sensitive particle known as:
Metalic silver crystals
Silver halide grains
Metalic silver crystals AND Silver halide grains
Neither Metalic silver crystals and Silver halide grains
Manmade sources of radioactive sources are produced by:
By splitting the nucleus of atoms in the source material
Adding electrons to the source material
Introducing an extra neutron to the atoms of the source material
Of the above
In dental radiography, the quality of the x-ray beam is controlled by:
Kilovoltage peak
Milliamperage
Exposure time
Source-to-receptor distance
A higher kilovoltage produces x-rays with:
Greater energy levels
Shorter wavelengths
More penetrating ability
All of the above
Identify the unit of measurement used to describe the amount of electric current flowing through the x-ray tube:
Volt
Ampere
Kilovoltage peak
Force
Radiation produced with high kilovoltage results in:
Short wavelengths
Long wavelengths
Less penetrating radiation
Lower energy levels
Dental radiography, the quantity of radiation produced is controlled by:
Kilovoltage peak
Milliamperage
Exposure time
Milliamperage and exposure time
Increasing milliamperage results in an increase in:
Temperature of the filament
Mean energy of the beam
Number of x-rays produced
Temperature of the filament and number of x-rays produced
Identify the milliamperage range for dental radiography:
1 to 5 mA
4 to 10 mA
7 to 15 mA
Greater than 15 mA
If kilovoltage is decreased with no other variations in exposure factors, the resultant image will:
Appear lighter
Appear darker
Remain the same
All are corrects
Identify the term that describes how dark and light areas are differentiated on an image:
Contrast
Density
Intensity
Polychromatic
A radiograph that has many light and dark areas with few shades of gray is said to have:
High density
Low density
High contrast
Low contrast
The total energy contained in the x-ray beam in a specific area at a given time is termed:
Kilovoltage peak
Beam quality
Intensity
A beam of energy that has the power to penetrate substances and record image shadows on photographic film.:
X-ray
X-radiation
Radiography
Radiograph
Coolidge:
Discovered x-rays
Developed first x-ray tube
Introduced bisecting technique
Exposed first dental radiograph
Fitzgerald:
Developed first x-ray tube
Wrote first paper on the danger of x-radiation
Exposed first dental radiograph in United States (skull)
Introduced long-cone paralleling technique
Kells:
Exposed first dental radiograph in United States (skull)
Introduced long-cone paralleling technique
Wrote first dental text; introduced bite-wing technique
Exposed first dental radiograph in United States (living patient)
The components of xray film is:
Film base
Adhesive layer
Film emulsion, and protective layer
All are corrects
The types of film used in dental radiography is:
Intraoral film
Extraoral film
Duplicating film
All are corrects
Chemical solution used in development process to reduce the exposed, energized silver halide crystals:
Developer
Washing
Drying
All are corrects
The developer solution basic ingredients is:
Developing agent
Preservative
Accelerator, and
Restrainer
All are corrects
The fixer solution basic agents is:
Fixing agent
Preservative
Hardening agent, and acidifier
All are corrects
The conditions for infection control to occur is:
Susceptible host,
Pathogen with suffiencient infectivity
Numbers to cause infection
All are corrects
Which teeth should you always start with in paralleling technique is:
Anterior
Posterior
Anterior and posterior
No answer
Advantages of paralleling technique:
Produces images with dimensional accuracy
Simple and easy to learn and use,
Easy to standardize, and can be accurately repeated
All are corrects
In bisecting technique:
Film placed along lingual surface of tooth
Where film contacts tooth-plane of film and long axis of tooth form an angle
Imaginary bisector divides the angle in half or bisects it
Central ray of x ray beam is directed perpendicular to the imaginary bisector
All are corrects
The film size used with bisecting is:
Positioned vertically for anterior and horizontally for posterior
Positioned vertically for anterior
Horizontally for posterior
Positioned horizontally for anterior and vertically for posterior
Bite-wing includes:
Crowns of maxillary and mandibular teeth
Interproximal areas
Areas of crestal bone on the same film
All are corrects
Occlusals used for:
Localization of rooths, impacted teeth, foreign bodies, salivary stones; eval of size fo lesions
Boundaries of maxillary sinus, and jaw fractures
Exam of patients who cannot open their mouths
Measurments of changes in size and shape of jaw
All are corrects
Purpose of paralleling technique:
Aind in the diagnosis of diseases,
Lesions
Conditions that can not be identified clinically
All are corrects
Bite-wing (BW):
Interproximal surfaces of crowns of upper and lower and crestal bone,
Open contacts only-no overlap,
Vertical bitewing used on anteriors
All are corrects
Intraoral film sizes:
0-child and 1-narrow anterior,
2-adult
3-preformed bitewing,
4-occlusa
All are corrects
Bisecting is also known as:
The short cone technique
The long cone technique
The short and long cone technique
No answers
���េលថត C-R ចូលត្រង់ណានៃធ្មេញក្នុងបចេ្ចកទេស Periapical:
���្រង់ Face V
���្រង់ Face L
���្រង់ចន្លោះធ្មេញ
���្រង់Collet ធ្មេញ
���្នុងបចេ្ចកទេស Periapical ក្នុង Step ទី1គេរៀបចំអ្វី?:
���ំហរហ្វីល
���ើកកុងតាក់ភ្លើង
���ំហរក្បាលជម្ងឺ
Make Exposure
���្នុងបចេ្ចកទេស Periapical ក្បាលជំងឺមានភាពត្រង់ Plan ឈ្មោះអ្វីស្របជាមួយឥតក្រាល?:
Plan Frank Fort
Plan Camper
Plan Frontal
Plan Sagittal Median
���េលថតគេភា្ជប់ (Fix) Vertical angulation តាមរយៈអ្វី?:
���្សែភ្នែកប៉ាន់ស្មាន
Graduation
Plan D’occlusion
Rapporteur
���ើម្បីថតធ្មេញថ្គាមក្រោមដេកឲ្យបានត្រូវ
���ាក់ជ្រុងខាងមុខរបស់ហ្វីលស្មើFace M របស់ 2” Premola ក្រោម
���ាក់ជ្រុងខាងមុខរបស់ហ្វីលទន្ទីផ្ទៃM របស់ 6
���ាក់ជ្រុងខាងមុខរបស់ហ្វីលទន្ទឹមកណ្ដាល2” Premola ក្រោម
���ាក់ជ្រុងខាងមុខរបស់ហ្វីលទន្ទឹមផ្ទៃD របស់ Second Molarក្រោម
P I Dមានន័យថា
Vertical angulation
���ម្ងាយពីហ្វិលទៅវត្ថុថត
Position Indication Device
���មា្ងយ Focal spot ទៅហ្វិល
���េដាក់Safelighនៅកន្លែងណា?
���្រង់បន្ទប់ការងារ
���្រង់កន្លែងទុកហ្វិល
���្រង់Tankលាងហ្វិល
���្រង់កន្លែងលាងហ្វិល
���ឹកDeveloperមានលក្ខណ?
���ើម
���អិល
���ូរ
���្អាប
Cone cutting?:
���្វិលមានផ្ទៃមួយដុំពណ៍ខ្មៅ
���្វិលមានឆ្នូតពណ៍ស
���្វិលមានផ្ទៃពណ៍សមួយដុំ
���្វិលមានសភាពដូចមែកឈើ
���្វិលថតេរួចនាំឲ្យយើងឃើញរូប?
���េលត្រាំដំបូងក្នុងទឹកFixator
���េលត្រាំដំបូងក្នុងទឹកធម្មតា
���េលត្រាំដំបូងក្នុងទឹកDevelopr
���តភ្លាមមើលឃើញរូប
���េអាចបើកភ្លើងបាន
���ំណាក់កាលDeveloping
���ាដំណាក់កាលពេលហ្បិលចេញពីស្រោម
���្រោយដំណាក់កាលDeveloping
���ម្លើយទាំងអស់ត្រឹមត្រូវ
���ើមានហ្វិលពីរនៅក្នុងស្រោមតែមួយគេត្រូវ?
���កហ្វិលចេញពីស្រោមរួចត្រាំទឹកDeveloper
���ំបែកហ្វិលជាពីរផ្សេងគ្នា
���ាក់ហ្វិលជាន់គ្នារួចDevelop
���ំបែកហ្វិលជាពីរក្នុងប្រអប់លាងហ្វលរួចត្រាំក្នុងទឹកDevelop
���េលថតធ្មេញលើក្នុងបច្ចេកទេសBisecting technicអ្នកឲ្យគេទប់ហ្វិលដោយប្រើអ្វី?
���្រាមដៃ
���េដៃ
���ង្អុលដៃ
���ម្លើយទាំងអស់ត្រូវ
���ើកក្បាលម៉ាស៊ីនវិទ្យុថតមិនស្ថិតនៅនឹងនរណាទប់ក្បាលម៉ាស៊ីនថត?
���្នកជម្ងឺ
���ន្តពេទ្យ
���ំនួយទន្តពេទ្យ
���ម្លើយទាំងអស់ត្រូវ
���ានស៊ីនOrtho pantomograph ប៉ុន្មានមានវិទ្យុថត Cephalomatric:
Ortho pantomograph 1
Ortho pantomograph 2
Ortho pantomograph 3
Ortho pantomograph 4
���្នុងបច្ចេកទេសFilm bite wingហ្វិលផ្ទៃប្រើហ្វិលអ្វី?
Film Periapical
Film bite wing
Film occlusal
Film extra oral
Lead Apronសម្រាប់?
���ាក់ការពារសំឡេងប៉ះOperator
���ាក់ការពារអ្នកជម្ងឺ ឬOperatorពេលថតធ្មេញ
���ាក់ការពារការឆ្លងរោគ
���ម្លើយទាំងអស់ត្រូវ
Plan camperភ្ជាប់ពីណាទៅណា?
Labial Commissure Tragus
Ala Nasa-Tragus
Ear Lobe-Labial Commissure
All are corrector
���ើកាំរស្មីXកើនឡើងពេលណា?
Vacuum អស់ខ្យល់
Vacuum ទំនក់ទំនង atmosphére
���ើក Lowtension
���ើក Lowtension និង High-tension
���ណ្ដាលរលកខាងក្រោមតើរលកមិនមែនជាelectromagnetic wave?:
���លកអគ្គិសនី
���លកកាំរស្មីX
���លក Tunning Fork
���លក កាំរស្មី Ultraviolet
���្នុងបច្ចេកទេសBisecting the angle technique មុំVerticale ធំជាងគេប្រើក្នុងតំបន់ណានៃ maxilla ? :
Incisive
Canine
Premolar
Molar
Bitewing Radiographមានឈ្មោះមួយទៀតគឺ
Oclusal Radiograph
Periapical Radiograph
Interproximal Radiograph
Right angle technic
���្នុង Cross-sectional projection :
C.Rកែងជាមួយផែនហ្វិល
C.R 85°ជាមួយផែនហ្វិល
C.R 75°ជាមួយផែនហ្វិល
C.R -55°ជាមួយផែនហ្វិល
���ើឃ្លាមួយណាដែលខុសចំពោះExtraoral Radiograph:
P.A of sinus
���ិទ្យុថតRamus
���ិទ្យុថតOcclusal
���ិទ្យុថតP.A of mandible
Distal rube shift projection of 6ដើម្បីមើល
Pulpe chamber
Root canal distal of 6
Root canal mesial of 6
Face occlusal of 6
���ុំ-55ដឺក្រេទៅ60ដឺក្រេ គេប្រើថតក្នុងបច្ចេកទេសអ្វី?
Maxillary occlusal
Symphyse
Anterior maxillary occlusal
Mandibular cross sectional view មើលឃើញ
Mandibular cross sectional view មើលឃើញ :
Floor of mouth
axe 2របស់ធ្មេញ
���ន្លោះពីធ្មេញមួយទៅធ្មេញមួយ
Ramus
���ូររកឃ្លាខុសAnterior occlusal នៃ mandible ជំនួសដោយ
Bitewing Radiography
���ិទ្យុថតsymphyse
Lateral Jaw
P.A. Skull
���េតុដូចម្ដេចចន្លោះទឹកDeveloper & fixerគេចាំបាច់លាងទឹកធម្មតាព្រោះ?
���្យហ្វិលស្អាត
���្យហ្វិលមិនឆាប់របក
���្យហ្វិលច្បាស់
���ឹកDeveloper ជា alcalin ទឹក fixer ជា Acid
Bitewing Radiograph មើលឃើញ Recurrent Carie ព្រោះ :
���ម្រិតថាមពលxច្រើន
���ម្រិតថាមពលxតិច
Vertical angulation ធំ
Vertical angulation តូច
���ូររកឃ្លាខុស?Periapicalលេខប៉ុន្មានឆ្នៃរធ្វើហ្វិលPosterior bitewing(P.B.W) :
���េខ0
���េខ1
���េខ2
���េខ4
���្នុងបច្ចេកទេសវិទ្យុថតPanoramic slit collimatorបង្កើតX-rayចេញ
���ានទំហំធំ
���ានសភាពកន្ធែក
���ាNarrow X-Ray beam
���ានកម្លាំងចេញខ្លាំង
���ិទ្យុថតpanoramicដែលថតបានរូបថតPanoramic, TMJ- Cephalometry មានឈ្មោះ
Panorex
Orthopantomograph-3
Stalin X
Panelipse
���ើផ្អែកលើវិជ្ជាអ្វីទើបWilliam Conrad Roentgenឲ្យឈ្មោះកាំរស្មីគាត់រកឃើញថាX-Ray
Chemistry
Biology
C- Physic
Mathematic ( algebra )
���ើឃ្លាណាមួយដែលខុសចំពោះMaxillary Extraoral Radiography មាន:
P.A of sinus
Lateral of sinus
SM.V projection
Lateral oblique of mandible
���ើឃ្លាណាមួយដែលខុសចំពោះRadiopaque materials to X-Ray are:
Zinc Oxide et Eugenol past
Plastics
Zinc Oxyphosphate Cement
Gutta Percha
Name:
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
{"name":"SAM LYHENG DENTISTRY Dental Imagery", "url":"https://www.supersurvey.com/QPREVIEW","txt":"តើ Staphylococci ជាអ្វី?","img":"https://www.poll-maker.com/3012/images/ogquiz.png?sz=1200-00000000001000005300"}