This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
Which of the following is indicated for cases with reduced inter arch space, where the pontic should give the appearance of an exaggerated occluso-gingival dimension: 
Select and explain. 
A. Ovate pontic, B. Spheroidal pontic., C. Fish-belly pontic., D. None.
B: Spheroidal pontic.
Answer: B: Spheroidal pontic. 
Explanation: These pontics contact the tissue only at the ridge crest
They do not have concave gingival surface