In cold water applications, 50 cc bottles with plastic spray heads will be used. New materials will be used for each patient. Interventions will be carried out by the researcher and. Cold water kept in the refrigerator at +4 degrees will be placed in 50 cc spray bottles for the experimental group and will be sprayed orally to the patients 4 times an hour in the postoperative period. The spray will be applied to the patient's mouth, upper palate, top of the tongue, right inner cheek, and left inner cheek.

Patients will be given approximately 0.5 mL of water via spray in each application.

Spray application will not be applied to patients in the control group.

cold water kept in the refrigerator at +4 degrees

This scale was determined based on studies in the literature where the severity of thirst was evaluated using a numerical rating scale. It will be used to objectively evaluate the thirst levels of patients. It will be evaluated between 0-10 points with SDQ. While a score of 0 indicates that there is no thirst, a score of 10 indicates that the most severe thirst is felt. (Lee et al. 2020).

The Turkish validity and reliability of the scale was conducted by Çiftçi et al. in 2023. The scale is used to determine the level of dehydration-related discomfort in surgical patients. There are 3 sub-dimensions in the scale (intraoral movements, psychological movements, extraoral movements). The scale was developed as a 5-point Likert type. It is scored as "1 = It does not bother me at all", "5 = It bothers me a lot". The Thirst Disorder Scale is calculated based on the total item score. There are no reverse items in the scale. The lowest score from the scale is 12 and the highest score is 60. As the score obtained from the sub-dimension increases, the level of discomfort in that dimension increases. As the score obtained from the scale increases, the level of thirst discomfort of patients increases (Çiftçi et al., 2023).