Clinical Evaluation of Digitally Fabricated 3D Printed Palatal Crib Versus Conventional Palatal Crib

Inclusion Criteria:

• children aged 6-9 years
• children with persistwnt thumb sucking habit requiring palatal crib therapy
• healthy children (ASA I & II)
• cooperative children whise parents/guardians provide written informed consent and who are willing to attend follow up visits

Exclusion Criteria:

• children with cranifacial anomalies or syndromes ( cleft lip and palate )
• children currently receiving or with a previous history of orthodontic treatment or habit breaking appliance therapy
• children with poor oral hygiene, untreated dental caries, or active periodontal disease requiring treatment before appliance placement
• children with allergies or hypersensitivity to any material used in the appliance