Presentation of surgical technique in treating unilateral cleft lip and palate. Surgical technique enabling to close the whole cleft palate and lip during one surgery and connect the tissues without massive periosteum defect, constituting the basis for proper development of the speech, dentition and enabling to achieve good aesthetic results. The method of single stage surgical treatment was based on Prof. Z. Dudkiewicz method, who has been improving this method for the last 30 years. Advantages related with the one stage/immediate method – the procedure takes place within one period of time, all cavities and spaces within the nasal and oral cavities are being closed and reconstructed, which allows early rehabilitation of speech and swallowing. The procedure is not related with any complications, and it enables to finish the surgical treatment of the child before the third birthday, and if complications in the form of nasal and oral fistulas should occur – we simply gain one more procedure.

Conflict of interest: None declared.