Question 311 · LDEK · Bridges
Indicate the correct statement about the prosthetic bridge pontic:
- A. for hygienic reasons the gingival surface of the pontic should be convex, to allow for easy cleaning.
- B. for hygienic reasons in the anterior part of the maxilla the interdental spaces have to be considerably open.
- C. gingival surface of the lateral part of the pontic should be concave and transition smoothly along a gentle curve into the surface of the abutment crowns.
- D. for aesthetic and phonetic reasons it is necessary for the anterior segment of the pontic to closely adhere to the alveolar ridge, which is true for the oval pontic.
- E. for biomechanical and hygienic reasons the lateral segments of the pontic need to have an appropriate width in the vestibulo-lingual dimension.
Hint
Think about which pontic contour lets floss or a brush slide underneath without leaving plaque traps.
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