MDS PREP
Radiograph of a periodontal ligament of a tooth which has lost its antagonist shows
1. Widening of the PDL space
2. Narrowing of PDL space
3. Increased density
4. Sclerotic change
Pedodontics
Answer: 2
Radiographs of a periodontal ligament of a tooth that has lost its antagonist show narrowing of the PDL space.
Classification of bony defects most helpful in determining the likelihood of repair after periodontal treatment is based on (or) Angular bone defects are classified based on
1. Depth of bone defect
2. Number of bone walls remaining
3. Distance between the facial, ingual walls
4. None of the above
Pedodontics
Answer: 2
Angular bone defects are classified based on the number of bone walls remaining.
In which of the following, true pocket formation cannot occur
1. ANUG
2. Adult periodontitis
3. Rapidly progressing periodontitis
4. Juvenile periodontitis
Pedodontics
Answer: 1
True pocket formation cannot occur in ANUG.
Periochip is a commercially available local drug delivery system containing
1. Doxycycline
2. Chlorhexidine
3. Minocycline
4. Metronidazole
Pedodontics
Answer: 2
Periochip is a commercially available local drug delivery system containing chlorhexidine.
The objective in adjusting natural dentition by coronoplasty
1. To prevent MPDS
2. To improve esthetics
3. To achieve a favourable direction of forces
4. None of the above
Pedodontics
Answer: 3
The objective in adjusting natural dentition by coronoplasty is to achieve a favorable direction of forces.
Which of the following considers thickness of plaque on tooth
1. Periodontal index of Russell
2. Loe and Sillness index
3. Sillness and Loe index
4. OHI-S index
Pedodontics
Answer: 3
The Sillness and Loe index considers the thickness of plaque on the tooth.
The sickle scaler which is suited for mandibular anterior interproximal area is
1. U 15/30
2. Morse
3. Jacquettee
4. Ball sickles
Pedodontics
Answer: 2
The Morse sickle scaler is suited for the mandibular anterior interproximal area.
All are true of PMA index except
1. Measures severity of gingivitis and periodontitis
2. Facial surfaces of 5, 8, 9, 12, 21, 25, 28 are considered
3. Each tooth is divided into 3 units
4. Maximum total score measured is 11
Pedodontics
Answer: 1
The PMA index measures the severity of gingivitis and periodontitis.