six months follow-up of two and four mini-screw supported hyrax for maxillary expansion in non-growing patients: A randomized controlled clinical trial
transverse malocclusion is very common in adult ,using conventional hyrax expander has many limitations and side effects such as buccal tipping, marginal bone loss, dento aloveolar expansion. in such cases , surgically assisted rapid palatal expansion used to be the option of choice ,due to the invasiveness of the procedure and co-morbidity associated with it ,minis crews assisted rapid expansion is recently introduced to overcome the complications of both convectional and surgically assisted rapid palatal expansion
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
20
treating patients with transverse maxillary deficiency using minis crews supported hybrid hyrax
11,ElSaraya street ,Almanyal ,CAIRO ,EGYPT
Cairo, Egypt
Skeletal effects
To compare the amount of skeletal expansion using linear (mm) measurement extracted from cone beam computed tomography pre and post-expansion
Time frame: 6-8 months
Dento-alveolar effects
To compare the amount of dento-alveolar expansion using linear (mm) measurement extracted from cone beam computed tomography pre and post-expansion
Time frame: 6-8 months
Dento-alveolar effects
To compare the amount of dento-alveolar expansion using angular(degree) measurement extracted from cone beam computed tomography pre and post-expansion
Time frame: 6-8 months
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