Custom-made sensor holder (Courtesy of Dr. Bargrizan).

 
 
  Part of: Molaasadolah F, Zargar N, Bargrizan M, Akbari F, Kardouni Khozestani P, Sabour S, Bakhshi M (2022) Comparison of pulse oximeter, cold test, and electric pulp test for assessment of pulp vitality in permanent immature teeth. Folia Medica 64(1): 134-142. https://doi.org/10.3897/folmed.64.e66573