Local Vibration for Drooling in Children With Cerebral Palsy

Inclusion Criteria: * Diagnosis of cerebral palsy * Age between 2 and 18 years * Presence of anterior drooling * Drooling severity and frequency score ≥ 3 on a standardized drooling scale Exclusion Criteria: * History of surgical intervention for drooling management * History of botulinum toxin injection for drooling management * Use of medications affecting salivary control * Presence of progressive neurological disease * Presence of salivary gland pathology or active upper respiratory tract infection * History or symptoms of aspiration pneumonia within the last 6 months * Indication for surgical treatment of drooling (e.g., more than four clothing changes per day and presence of chin or neck dermatitis) * Uncontrolled seizures * Presence of oral or perioral lesions * Presence of gastrostomy tube * Treatment adherence below 85%