Intermaxillary relations Flashcards
1
Q
Following should be scribed
clearly on the anterior aspect of
the rim
A
Centre line
High smile line
Canine points
2
Q
2 ways of measuring
RVD
A
- The mechanical methods
Preextraction records and measurements
Ridge parallelism - The physiological methods
Physiological rest position
Swallowing phenomenon
Phonetics
3
Q
Boley gauge
A
4
Q
RVD
A
Established from tip of nose to the chin while patient is wearing the upper rim
Patient moistens the lips and says the letter ‘m’
5
Q
OVD
A
Once the RVD has been established the lower rim is placed in the mouth and adjusted until it contacts evenly the upper rim at a vertical dimension of occlusion some 2–4 mm less than the established RVD.
This provides for a freeway space of 2–4 mm, and establishes the OVD
6
Q
Errors in OVD
A
Excessive OVD causes pain to the patient as dentures are always in contact
Aesthetics
TMJ dysfunction
