From: Hypomineralised second primary molars: prevalence, pattern and associated co morbidities in 8- to 10-year-old children in Ile-Ife, Nigeria
Quadrant
Number of teeth affected by HSPM
Upper right
24(32.9 %)
Upper left
16(21.9 %)
Lower left
Lower right
17(23.3 %)
Total
73(100.00 %)