The aim of this study is to investigate the effect of information provided in accordance with intelligence type on anxiety associated with wisdom tooth surgery.

The participants who will undergo third molar surgery divided into study and control groups. Study group divided further into three groups according to multiple intellegence test. Ultimately four groups created as follows;

1. Control: The group with standard (written and verbal) information without multiple intelligence test
2. Visual/Spatial: The group with higher visual intelligence according to the multiple intelligence test results and watch video. Also, will given with a written informed consent document.
3. Verbal/Linguistic: The group with higher verbal/linguistic intelligence according to the multiple intelligence test results and verbally informed in detail about the operation. lso, will given with a written informed consent document
4. Bodily/Kinesthetic: The group with higher bodily/kinesthetic intelligence according to the multiple intelligence test results and informed with a dental model. lso, will given with a written informed consent document To evaluate anxiety; participants will asked to complete MDAS questionnairre before and after consent, and after operation. Also, saliva samples will obtained to evaluate the salivary cortisol before and after consent, and after operation.

Inclusion Criteria:

• Patients with mandibular third molar tooth in vertical or mesioangular position according to Winter classification, class I and II ramus relationship according to Pell-Gregory classification and class B and C depth
• Patients who maintain their normal sleep patterns,
• Patients with ASA I status according to the American Society of Anesthesiologists (ASA) classification.

Exclusion Criteria:

• Patients did not agree to be a volunteer, and/or refused to watch videos or receive information in a different way from the standard procedure,
• Habits of Smoking and alcohol
• Patients who are pregnant or in the lactation period,
• Patients unable to cooperate,
• Patients having a psychiatric illness,
• Patients with systemic disease (local or systemic factors affecting salivary gland function, can cause changes in endocrine response)
• Patients using chronic medication and drugs that affect salivary cortisol levels, such as androgens, estrogens and corticosteroids.
• Patients with pericoronitis