the aim of the current study is to compare the effect of conventional facial PPE as 1)goggles + surgical masks, and 2)face shields + surgical masks versus 3)half-face and 4)full-face reusable respirators; on preoperative child's fear in the dental office.

Each patient meeting the inclusion criteria and assigned to a specific study group will enter the clinic for dental examination. The examining dentist, wearing the selected PPE will communicate with patient and parent, taking personal, previous and current history, and carrying out simple examination not involving the use of sharp instruments, provoking pain or investigations as radiographs. The process should take from three to five minutes. Then, the child will be escorted to another room to meet a blinded accessor, where he assesses the child's anxiety using the Arabic version of children's fear survey schedule-dental subscale CFSS-DS.

Inclusion Criteria:

• Six to ten-year-old patients

Exclusion Criteria:

• emergency patients
• patients who have systemic, mental or psychological conditions as indicated by their medical history,

Participants, legal guardians, and the dentist who carried out the examination were not blinded as it was inapplicable. The accessor and statistician were blinded