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7 Cards in this Set
- Front
- Back
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1) What does preparation follow?
2) What 3 things specifically precede preparation of abutment teeth? When should you complete these? |
1) Preliminary diagnosis and development of a tentative treatment plan
2) Oral surgical prep, periodontal prep, design acceptance. At least 6 weeks, but preferably 3-6 months |
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PERIO THERAPY:
1) Grade I 2) Grade II 3) Grade III 4) Which ones will become stable? 5) Which classes can you use to successfully help support, stabilize, and retain the RPD? |
1) 0.05-1
2) >1.0 3) Severe w/ vertical displacement 4) 1 & 2 5) 1 &2 |
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HEIGHT OF CONTOUR:
1) Determines the placement of what two things? 2) What is the proper position? 3) When it's not a good position, what is an option? 4) What is another option? |
1) Clasp placement or retentive tip placement
2) Middle third 3) Enameloplasty 4) FGC or PFM or ortho or oral surgery |
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1) What is the shape of the survey line influenced by?
2) In a cast clasp, what engages the undercut? 3) In a wrought clasp, what engages the undercut? |
1) Material selected for the clasp
2) Terminal third 3) Terminal half |
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1) What should you do if you can't modify a tooth for the abutment?
2) RPI is used with what classes? 3) Use a C clasp for a unilateral edentulous space? |
1) Consider crowning the tooth with preparation made for clasp/rest/guide plane
2) 1 and 2 3) No - too much torque, use I bar or T clasp |
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1) Width of a rest seat on a premolar?
2) Why is the depth of the rest seat towards the middle of the crown? |
1) 1/3 crown B-L, M-D
2) So forces will hit the long axis of the rest tooth |
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1) Since cingulum rests are anterior to the fulcrum line, they act as?
2) Dimensions of a cingulum rest? 3) What line angle do you place it at? 4) What is the purpose of the incisal rest? 5) If an incisor is used, where is the stop? |
1) Indirect retainers
2) 1/2 width from tips of B-L cusp and 1/2-2/3rds length of enamel crown starting at marginal ridge. M-D width 3 mm, BL depth 2 3) Distal line angle w/ width 2.5 mm wide, 1.5 mm deep from incisal/cervical 4) Vertical stop at the slope of the cusp tip, not the tallest part 5) Incisal edge only |
