Final answer:
The procedures to be followed during replantation of an avulsed tooth include saline lavage of the socket and tooth surface and treatment of the root surface with a fluoride solution; curettage of the roots or bony socket is not recommended.
Step-by-step explanation:
The correct procedure to follow when replanting an avulsed tooth involves a few critical steps. One should perform a saline lavage of the socket and the tooth surface to clean out any debris and to minimize the bacterial load. It is also recommended to treat the root surface with a fluoride solution to prepare the root for replantation by reducing the potential for resorption. However, curettage of the bony wall of the socket or the root surface is not typically performed during replantation, as these procedures could potentially damage the periodontal ligament cells that are vital for the successful reattachment of the tooth.
Based on the information provided, the correct answer to the procedures that should be performed during replantation of an avulsed tooth is C. Saline lavage of the socket and the tooth surface and D. Treatment of the root surface with a fluoride solution, making choice 'H. Only (2) and (4) above' the correct response.