patient receiving treatment using the osmed expander will have enough soft tissue coverage securing the bone graft which will be placed in a later stage to close the alveolar cleft.

to prove that the group treated with osmed expanders will suffer no soft tissue dehiscence and will have a higher volume of soft tissue at the stage of bone grafting.

Inclusion Criteria:

• Medically free patients.
• Patients suffering from alveolar cleft with anterior fistulas.
• Age Between 7 and 13 Years
• Both sexes.
• Patients physically able to tolerate surgical and restorative procedures. Good oral hygiene.
• Highly motivated patients.

Exclusion Criteria:

• non motivated patients