Table 3: Questionnaire to evaluate effects on parafunctional habits and freeway space.

1. Do you clench your teeth during daytime or night time before you started your treatment?	Yes	No	Comment
2. Do you now clench your teeth during day time or night time?	Yes	No	Comment
3. Were you aware of your freeway space before you started your treatment?	Yes	No	Comment
4. Are you aware of your freeway space now?	Yes	No	Comment
5. Is your freeway space bigger now than before you started?	Yes	No	Comment