COMPLETE DENTURES - CLINICAL PROBLEMS AND SOLUTIONS Flashcards
(31 cards)
What is retching?
Making the sound of vomiting (occurs when patients feel like they cant wear denture because they gag (need to double check with patients who say this aren’t just saying it)
What are the 2 materials used for special trays?
1.Alginate
2.Silicone
What spaced tray would you use for alginates and elastomers (silicones)
If minimal undercuts will prescribe a trash for elastomer 1.5mm
If big bony undercuts will prescribe - 3mm acrylic for alginates
Do you use pink stick or green stick and why?
Pink stick is better because it softens quicker and you will never burn fingers with it, but as it softens quicker you should handle it more carefully
What is the retromolar pad/papillae?
It’s similar to what tuberosity is in the upper but its in the lower
What is muscle trimming?
A term for border moulding
Which things should you check when you receive a special tray?
Your should check if its the right fit, and correct design. And assure its the correct extension to the primary impression
How would you record the full functional width and depth of the sulcus?
Using pink or green stick
Why are stops added to the impressions?
In order to pick out the contours and thickness of mucosa. To help with a nice seal for the denture (dont get lab to do them with acrylic. Use pink stick in order to prevent any penetration to the impression)
What should you ask for when you order record rims?
Ask for a post dam on record rims in order for the record rims to be fully seated
What does an Alma Gauge do?
Measures the height of the denture and proclamation of teeth
What is Dr natresses tip about alma gauge?
Last thing after special tray impressions is to get the alma gauge and measure the previous denture and give these dimension measurements on the slip to get them to make it at those measurements. Can you make me an upper record rim on these dimensions ( only if all dentures are pretty close dimensions, doesn’t work otherwise.
Should the naso-labial angle be the first thing you trim on your record and what angle should it be?
Yes - because that will give the correct proclination of the incisors
90 - 110 degree angle
What should you do after establishing naso-labial angle?
Record the occlusal height - Which is how much of the teeth we are allowing to be seen.
What things are important when measuring occlusal height after naso-labial angle?
The height and rim should be parallel to the interpapillary line. In older people the level which of teeth should be at the resting lip for 70 years and above.
The amount of tooth shown depends on the age of the patient, younger patients we may show more teeth.
What is the 3rd plane we should get right when doing record rims?
Anterior posterior plane (Ala-tragal plane)
What level should the lower denture be?
At the level of the corner of the mouth dictates level of occlusal plane - tongue should sit on top beautifully
What helps with retention and stability in lower?
The tongue and the buccinator. The denture is sat in neutral zone, minimal conflict with buccinator and tongue
Which position should the teeth be in in the upper arch?
In front of the ridge for the buccal cusps and on the ridge for the palatal cusps so they don’t break off with force
Where do you position the teeth on the lower denture?
Always on the ridge
What are you trying to achieve when you record an occlusion in a complete denture?
Bilateral simultaneous contact in the retruded contact position (RCP) at the correct occlusal vertical dimension (OVD)
How do you get a patient to relax their face?
Ask them to lick there lips and swallow
What do you use to measure height?
Willis gauge
How do you work out occlusal vertical height?
You take a few milllimitres off the measurement done using a Willis gauge measurement of resting face
