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1. A Full mouth radiographic survey includes:
- 12 IOPA + 6 bite wing
- 18 IOPA + 6 bite wing
- 14 IOPA + 4 bite wing
- 17 IOPA + 4 bite wing
ANSWER c
2. Esophagus epithelium is:
- Simple squamous
- Cuboidal
- Stratified squamous non keratinized
- Pseudo stratified
ANSWER c
The epithelium lining of the adult esophagus is squamous and stratified. However, in the early embryo when the esophagus is separated from the anterior foregut tube the epithelium is simple columnar.
The esophagus is covered by a non-keratinized stratified squamous epithelium.
3. Identify the instrument:
- Shwartz perio retriever
- Curette
- Perioscope
- Ultrasonic file
ANSWER a
Schwartz periotrievers: The Schwartz Periotrievers comprise a set of twodouble ended highly magnetized instruments designed specifically for removal of broken curette tips from a periodontal pocket or a furcation.
4.Resonance frequency analyzer is used implantology for :
- Assessment of osseointegration
- Assessment of primary stability of implant
- Assessment of bone vitality/blood supply
- Stability of soft tissue implant interface
ANSWER b
5. Identify the instrument shown in the picture:
- Piezoelectric scaler
- Magnetostrictive scaler
- Sonic
- Curette
ANSWER b
What is the difference between magnetostrictive and piezoelectric scaler?
Piezos use electrical energy to activate crystals within the handpiece to produce vibrations of the powered working end. On the other hand, magneto devices, such as the Cavitron, transfer electrical energy to metal stacks or a ferrous rod to produce vibrations of the powered working-end.
