Reasons for location and scribing of the posterior palatal seal

Question 1

To locate the PPS in the __________ of the maxillary arch

Answer 1

Soft palate

Question 2

To mark the PPS in the mouth and on the __________

Answer 2

Cast

Question 3

To __________ the PPS into the master cast

Answer 3

Scribe/scrape (0.5-1.0 mm)

Question 4

To avoid the indicated __________

Answer 4

Anatomical landmarks

Question 5

What anatomical landmarks should be avoided when marking the PPS?

Answer 5

Hard palate
Fovea palatini
Mid palatine raphe
Mid palatine suture
Bilateral tuberosities
Hamular notches
Progressing too far down the throat