MDS PREP
Mark the consonant sounds requiring contact between the lips and teeth (labiodentals)
1. d, t, l
2. b, p, m
3. th
4. f, ph, v
Prosthodontics Answer: 4
Labiodental Consonant Sounds
Labiodental sounds are produced by the interaction of
the lower lip and the upper teeth. The sounds "f" and "v" are classic
examples of labiodental consonants. "Ph" is often considered a variant of
"f" in phonetics.
The aesthetics of the artificial denture begins with
1. Examination and diagnosis
2. Impressions
3. Wax records
4. Trial in stage
Prosthodontics
Answer: 1
The aesthetics of the artificial denture begins with examination and diagnosis.
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 />
All of the following landmarks are included while making a postdam for maxillary arch except
1. Pterygomaxillary notch
2. Hamular process
3. Fovea palatina
4. Vibrating line
Prosthodontics
Answer: 2
All of the following landmarks are included while making a postdam for maxillary arch except hamular process.
The occlusal plane for the complete denture patient is determined by
1. The face bow device which determines the occlusal plane
2. The position of the upper first molar
3. The height of the retromolar pad and anterior aesthetic height
4. None of the above
The occlusal plane for the complete denture patient is determined by the height of the retromolar pad and anterior aesthetic height.
The coronoid process
1. Limits the extension of maxillary posterior teeth setting
2. Limits the thickness of the distobuccal flange of the upper complete denture
3. Limits the thickness of the ditobuccal flange of the lower complete denture
4. Determines PPS
Prosthodontics
Answer: 2
The coronoid process limits the thickness of the distobuccal flange of the upper complete denture.
For a semi adjustable articulator, the sagittal inclination of the incisal
guidance table is determined by
1. bringing the mandible approximately 6mm forward
2. bringing the cuspids into an end to end relationship
3. altering the vertical dimension till the incisal guide pin contacts the guide
table
4. bringing the central incisors into an end to end relationship
Prosthodontics
Answer: 4
Explanation: The sagittal inclination of the incisal guidance table is set to
match the patient's natural incisor relationship. By bringing the central
incisors into an end-to-end relationship, the articulator can be adjusted to
simulate the patient's individual incisal guidance, which is essential for
accurate jaw movement and occlusion.
The range of motion, as measured in millimeters, is least for the
1. pure hinge like opening and closing movement
2. protrusive movement
3. left lateral movement
4. Bennet movement
Prosthodontics
Answer: 4
Explanation:
Pure hinge-like opening and closing movement: The range of pure rotation in
the temporomandibular joint (TMJ) was determined to be up to 15–20 mm in the
1960s. However, recent research suggests that pure rotational movement may not
occur.
Protrusive movement: The normal range of motion for protrusive movement is
8–12 mm.
Left lateral movement: The normal range of motion for left lateral movement
is 8–12 mm. The normal range of motion for mouth opening is 35–60 mm.
The average immediate Bennett shift was found to be 1.05 mm on the left
side and 1.12 mm on the right side when firm guidance was used.