Table 4: Distribution of radiographic evidence of ponticulus posticus in patients with and without dental agenesis.

Radiographic Evidence	Patients with Dental Agenesis	Patient without Dental Agenesis	Total
Ponticulus Posticus	28 (8%)	39 (11%)	67 (19%)
No Ponticulus Posticus	14 (4%)	269 (77%)	283 (81%)
Total	42 (12%)	308 (88%)	350 (100%)