class II malocclusion.
Conditions
Interventions
Intervention 1: Intervention group: The group that receives the clear twin block appliance. This device should be used by the patient at all times except when eating and brushing. Intervention 2: Cont
Sponsors
Tabriz University of Medical Sciences
Eligibility
Sex/Gender
All
Age
9 Years to No maximum
Inclusion criteria
Inclusion criteria: being literate no cognitive problems no cleft lip and palate no neurological problems no articulation and phonological disorders no hearing loss
Exclusion criteria
Exclusion criteria:
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Number of malfunctions: The number of sounds that have been altered and the sound produced is not phonetically accurate enough. Timepoint: Before - immediately - one month and three months after receiving the appliance. Method of measurement: Recording with microphone praat software.;First Formant of vowels: A formant that relates to the height of the tongue when producing a vowel. Timepoint: Before - immediately - one month and three months after receiving the appliance. Method of measurement: Recording with microphone praat software.;Second Formant of vowels: A formant that relates to the amount of tongue protrusion when producing a vowel. Timepoint: Before - immediately - one month and three months after receiving the appliance. Method of measurement: Recording with microphone praat software.;Third Formant of vowels: A formant that relates to the amount of roundness of the lips when producing a vowel. Timepoint: Before - immediately - one month and three months after receiving the appliance. Method of measurement: Recording with microphone praat software. | — |
Countries
Iran (Islamic Republic of)
Contacts
Public Contactdr.ahmad behroozian
Tabriz University of Medical Sciences
Outcome results
None listed