Table 1. The number and percentage of the roots in the mandibular first premolars.
| One-rooted | Two-rooted | Three-rooted | Total | |
| Number | 160 | 3 | 0 | 163 |
| Percent | 98% | 2% | 0 | 100 |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.