The Pennsylvania Dental Association's annual poster contest in celebration of National Children's Dental Health Month is now open for third grade students across the state.

Entries, limited to one per classrom, must be submitted by March 14.

The NCDHM electronic lesson plan kits are designed for third-grade teachers in Pennsylvania public, private and charter schools.

Kits include a lesson plan with dental health topics, fun classroom activities and instructions for the PDA-sponsored poster contest.

Email slm@ padental.org for information, materials and to request a complimentary NCDHM classroom poster.