MDS PREP
The precision attachment which derives its retention from within the root, in
which a female sleeve is cemented in the root and the male portion is a nylon
post and ball head, is the
1. Zest anchor
2. Ackermann joint
3. Doder attachment
4. Quinlivan attachment
Prosthodontics
Answer: 1
Explanation: The Zest anchor is a type of precision attachment used in dental prosthetics that provides a secure connection between the prosthesis and the remaining tooth structure. It utilizes a female component cemented into the root and a male component that fits into it, allowing for a stable and retentive connection. The other options do not describe this specific mechanism.<br />
According to Monson’s spheric theory of occlusion, each cusp and incisal edge conforms to a segment of the sphere, 8 inches in diameter, with its center at the
1. sella
2. lambda
3. glabella
4. bregma
Prosthodontics
Answer: 3
According to Monson’s spheric theory of occlusion, each cusp and incisal edge conforms to a segment of the sphere, 8 inches in diameter, with its center at the glabella.
When setting teeth for a complete denture in bilateral balanced occlusion, if
the incisal guidance is steep, the
1 occlusal plane should be shallow
2 compensating curve should be steep
3 cuspal inclines should be shallow
4 condylar guidance should be made steep
Prosthodontics
Answer: 2
Explanation: In bilateral balanced occlusion, if the incisal
guidance is steep, it is necessary to create a compensating curve that is also
steep to maintain balanced occlusion during lateral movements. This helps to
ensure that the occlusal contacts remain balanced and stable, preventing tipping
or dislodgment of the denture during function. The other options do not
adequately address the need for balance in occlusion.
A dental instrument which creates aerosols containing large number of microorganisms is the
1. Evacuator
2. Ultrasonic scaler
3. Amalgam condenser
4. Endodontic reamer
Prosthodontics
Answer: 2
A dental instrument which creates aerosols containing a large number of microorganisms is the ultrasonic scaler.
A properly designed rest on lingual surface of a canine is preferred to a rest on incisal surface because
1) Less leverage is exerted against the tooth by lingual rest
2) Enamel is thicker on lingual surface
3) Visibility and access is better on lingual surface
4) None of the above
Prosthodontics
Answer: 1
a properly designed rest on the lingual surface of a canine is preferred because it exerts less leverage against the tooth compared to a rest on the incisal surface (option 1). This is important for maintaining the integrity of the tooth and preventing potential damage or displacement.
Which are you NOT looking for when exploring the apical third of a canal?
1) Hypercementosis
2) Branches
3) Lateral canal openings
4) Internal root resorbtion
Prosthodontics
Answer: 1
Which are you NOT looking for when exploring the apical third of a canal: hypercementosis.
Identify the wrong statement regarding salivary scan
1. Specifity is less than sialograms
2. Salivary scan is functional whereas sialagram is anatomical
3. When both are indicated scan is done first
4. When both are indicated sialogram is done first
Prosthodontics
Answer: 4
Identify the wrong statement regarding salivary scan: When both are indicated, sialogram is done first.
Which of the following shows 200 % of its adult growth by age 9-10 years
1. Lymphoid
2. General
3. Genital
4. Neural
Prosthodontics
Answer: 1
Which of the following shows 200% of its adult growth by age 9-10 years: Lymphoid.