Outcome
Type |
Measure |
Description |
Time frame |
Safety issue |
Primary |
Relationship between bruxism and sleep structure by polysomnography. |
Polysomnograms will be evaluated in a 30-second contributions, according to standard sleep criteria. PSG results will contain data on the latency of sleep, total sleep time (TST), sleep efficiency (%) and an evaluation of phases N1, N2, N3 and REM. |
15.10.2019 - 31.12.2020 |
|
Secondary |
Relationship between bruxism and insomnia assessed by Insomnia Severity Scale. |
Each participant will fill in Insomnia Severity Scale. Questionnaire contains 5 questions, scored from 0 to 4 depending on the severity of ailments. Minimal score is 0, maximal score is 20. A total point value of up to 10 is considered the norm, while a score above 14 points indicates clinically significant insomnia. |
15.10.2019 - 31.12.2020 |
|
Secondary |
Relationship between bruxism and sense of stress assessed by Sense of stress questionnaire - KPS questionnaire measuring the structure of stress sensations. sense of stress questionnaire. |
Each participant will fill in KPS sense of stress questionnaire. The questionnaire consists of 27 statements; the subject determines the extent to which the statement relates to him using a five-point scale. It allows you to calculate the overall score of generalized stress levels, as well as three results related to the following dimensions: emotional tension, external stress and intrapsychic stress. The questionnaire also contains the scale of lies. |
15.10.2019 - 31.12.2020 |
|
Secondary |
Relationship between bruxism and trauma asessed by Traumatic Experience Checklist. |
Each participant will fill in Traumatic Experience Checklist comprising 29 different traumatic experiences. It assesses 5 types of trauma and 4 types of problems: emotional neglect, emotional abuse, body threat, sexual harassment, and sexual abuse, serious family problems , death or loss of a family member, body harm, and war experiences. Scoring includes computing two indexes (overall index of number of traumas experienced resulting from the sum of all items, and the total area of traumatic presence which is the sum of the 5 traumatic experiences areas); and three trauma severity indexes (determined by the impact of trauma and age when it occurred, and assembled into emotional, physical, and sexual trauma). The severity of total trauma can range from 0 to 13 (neglect and emotional abuse, physical abuse, and sexual harassment or abuse) or from 0 to 24 (body threat, pain, and bizarre/strange punishment). |
15.10.2019 - 31.12.2020 |
|
Secondary |
Relationship between bruxism and coping with stress assessed by mini COPE- inventory to measure stress management. |
Each participant will fill in mini COPE. Questionnaire consists of 28 statements that make up 14 stress coping strategies.Some testing strategies were divided into four categories and corresponding strategies (inventory scales): active coping (including: active coping, planning, positive reevaluation), helplessness (including: taking psychoactive substances, cessation of actions, blaming self), seeking support (including: seeking emotional support, seeking instrumental support), avoidance behaviors (including dealing with something else, denying, discharging). three strategies create independent factors (turning to religion, acceptance, sense of humor). The range of results for each statement ranges from 0 to 3 points. The calculation of the results consists in adding to each other points for the answers regarding two theorems that make up the given scale, and then dividing by 2. |
15.10.2019 - 31.12.2020 |
|
Secondary |
Relationship between bruxism and emotional controll assessed by Courtauld Emotional Control Scale. |
Each participant will fill in Courtauld Emotional Control Scale that consists of three subscales, each of them containing seven statements regarding the way of showing anger, depression, and anxiety. The scale is used to measure subjective control of anger, anxiety, and depression in difficult situations and designed to examine adults (both healthy and ill). CECS is a tool of self-description. Summing up the scores of all three subscales, the overall score of emotion control is established. The examination aims at defining to what degree an individual is convinced subjectively of ability to control his/her reactions in the situation of experiencing given negative emotions. The overall indicator of emotion control is within the range of 21-84 points. The higher the score, the greater the suppression of negative emotions. |
15.10.2019 - 31.12.2020 |
|
Secondary |
Relationship between bruxism and illness accteptance assessed by Accteptance of Illness Scale. |
Each participant will fill in Accteptance of Illness Scale. The scale is used to measure the degree of acceptance of the disease. It contains eight statements describing the negative consequences of poor health. Each statement is scored from 1 to 5, where 1 means strongly agree and 5 strongly disagree. The scale has no standards. The obtained result is compared with the average result of one of eight clinical groups. The scale is used to measure the degree of disease acceptance. It can apply to any disease. The greater the acceptance of the disease, the better the adaptation and the less sense of mental discomfort. |
15.10.2019 - 31.12.2020 |
|
Secondary |
Relationship between bruxism and anxiety assessed by Beck Anxiety Index. |
Each participant will fill in Beck Anxiety Index. The total score is calculated by finding the sum of the 21 items. Total score for all 21 symptoms that can range between 0 and 63 points. A total score of 0 - 7 is interpreted as a "Minimal" level of anxiety; 8 - 15 as "Mild"; 16 - 25 as "Moderate", and; 26 - 63 as "Severe". |
15.10.2019 - 31.12.2020 |
|
Secondary |
Relationship between bruxism and personality assessed by International Personality Item Pool-Big Five Markers-20. |
Each participant will fill in IPIP-BFM 20. The questionnaire measures five traits (Extraversion, Agreeableness, Conscientiousness, Emotional Stability, Intellect), and consists of 20 items. |
15.10.2019 - 31.12.2020 |
|
Secondary |
Relationship between bruxism and pain assessed by McGill questionnaire. |
Each participant will fill in McGill questionnaire that is composed of 78 words. Respondents choose those that best describe their experience of pain. Scores are tabulated by summing values associated with each word; scores range from 0 (no pain) to 78 (severe pain). |
15.10.2019 - 31.12.2020 |
|
Secondary |
Relationship between bruxism and pain assessed by Graded Chronic Pain Scale. |
Each participant will fill in Graded Chronic Pain Scale. Scoring Criteria for Grading Chronic Pain Severity: Characteristic Pain Intensity is a 0 to 100 score derived from Questions 1 through 3:Mean (Pain Right Now, Worst Pain, Average Pain) X 10. Disability Score is 0 to 100score derived from Questions 4 through 6:Mean (Daily Activities, Social Activities, Work Activities) X 10. Disability Points: Add the indicated points for Disability Days (Question 7)and for Disability Score. Classification: GRADE 0- No TMD pain in prior 6 months. GRADE I-Low Intensity Characteristic Pain Intensity<50, Low Disability<3 Disability Point. GRADE II -High Intensity Characteristic Pain Intensity >50, LowDisability<3 Disability Points. GRADE III- High Disability3 to 4 Disability Points, Moderately Limiting (Regardless of Characteristic Pain Intensity). GRADE IV- High Disability 5 to 6 Disability Points, Severely Limiting (Regardless of Characteristic Pain Intensity). |
15.10.2019 - 31.12.2020 |
|
Secondary |
Relationship between bruxism and depression assessed by Patient Health Questionnaire - 9. |
Each participant will fill in Patient Health Questionnaire - 9. PHQ-9 total score for the nine items ranges from 0 to 27.Scores of 5, 10, 15, and 20 represent cutpoints for mild, moderate, moderately severe and severe depression, respectively. |
15.10.2019 - 31.12.2020 |
|
Secondary |
Relationship between bruxism and sleep quality assessed by Pittsburgh Sleep Quality Index - a self-report questionnaire that assesses sleep quality over a 1-month time interval. |
Each participant will fill in Pittsburgh Sleep Quality Index. The measure consists of 19 individual items, creating 7 components that produce one global score ranging from 0 to 21, where lower scores mean better sleep quality. |
15.10.2019 - 31.12.2020 |
|
Secondary |
Relationship between bruxism and apnea risk assessed by STOP-Bang. |
Each participant will fill in STOP-Bang questionnaire. The total score ranges from 0 to 8. The lower the score is, the lower the risk of occurrence Obstructive Sleep Apnea (OSA). |
15.10.2019 - 31.12.2020 |
|
Secondary |
Relationship between bruxism and depression assessed by Beck Depression Inventory. |
Each participant will fill in Beck Depression Inventory. The questionnaire is scored by summing the ratings for the 21 items. Each item is rated on a 4-point scale ranging from 0 to 3. The minimum total score is 0, the maximum total score is 63. Enables scoring: 0-13: minimal depression, 14-19: mild depression, 20-28: moderate depression, 29-63: severe depression. |
15.10.2019 - 31.12.2020 |
|
Secondary |
Relationship between bruxism and perceived stress assessed by Perceived Stress Scale - 10. |
Each participant will fill in Perceived Stress Scale -10. Scores are obtained by reversing the scores on the four positive items, e.g., 0=4, 1=3, 2=2, etc. and then summing across all 10 items. Items 4,5, 7, and 8 are the positively stated items. It can range from 0 to 40. Scores ranging from 0-13 would be considered low stress,14-26 would be considered moderate stress, 27-40 would be considered high perceived stress. |
15.10.2019 - 31.12.2020 |
|
Secondary |
Relationship between bruxism and headache assessed by Headache Impact Test - 6. |
Each participant will fill in Headache Impact Test - 6 . These responses are summed to produce a total score that ranges from 36 to 78, where a higher score indicates a greater impact of headache on the daily life of the respondent. |
15.10.2019 - 31.12.2020 |
|
Secondary |
Relationship between bruxism and anxiety assessed by Generalized Anxiety Disorder -7. |
Each participant will fill in Generalized Anxiety Disorder -7 that consists of 7 items. Total score ranges 0-21 points. Scores of 5, 10, and 15 are taken as the cut-off points for mild, moderate and severe anxiety, respectively. |
15.10.2019 - 31.12.2020 |
|
Secondary |
Relationship between bruxism and headache impact assessed by Migraine Disability Assessment questionnaire. |
Each participant will fill in Migraine Disability Assessment questionnaire. Scoring includes adding the total number of days from questions 1-5. Grading includes: grade I (little or no disability) 0-5 days, grade II (mild disability) 6-10 days, grade III (moderate disability) 11-20 days, grade IV (severe disability) more than 21 days. |
15.10.2019 - 31.12.2020 |
|
Secondary |
Relationship between bruxism and genotype and fenotype assessed in blood test. |
Each participant will undergo genetical blood test. |
15.10.2019 - 31.12.2020 |
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