Question 65 · LDEK · Bridges
Indicate the true statement concerning the prosthetic bridge:
- A. for hygienic reasons, gingival surfaces of the span should be convex to enable easy cleansing;.
- B. for hygienic reasons, in the maxillary anterior region the interproximal spaces should be considerably open;.
- C. gingival surface of the spans in the posterior region should be concave and, with a gentle curve, join the crown surface of abutment teeth;.
- D. for esthetic and phonetic reasons, the span in the anterior region should closely contact the alveolar process;.
- E. for biomechanical and hygienic reasons, the spans in the posterior regions should be sufficiently wide in vestibular-lingual dimension.
Hint
Ask which pontic contour lets floss sweep the tissue surface without trapping plaque.
The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.
More questions on Prosthodontics
- What is the function of calcium sulfate used in hydrocolloidal alginate impression materials?
- Crown retention depends on:
- Indicate clinical signs and symptoms of temporomandibular joint articular disc displacement without reduction:
- Fixed partial dentures made of metal alloys cemented on vital teeth with unfavorable retentive features - short clinical crowns and an extensive…
- Which ingredient is not a component of the powder of poly (methyl metacrylate) (PMMA)?
- The combination treatment of prosthetic stomatopathy (denture stomatitis) according to Niesluchowska involves: