Inclusion Criteria:  The presence of written informed consent of the patient to participate in the study; The presence of an included defect (1 teeth) in the distal part of the lower jaw with a sufficient volume of bone tissue; Deficiency of soft tissue thickness; Adjacent teeth are without any of periodontal disease, namely the absence of periodontal probing depth > 3 mm in any site of adjacent teeth;  6. Satisfactory level of oral hygiene, namely full mouth plaque score < 20% and full mouth bleeding score < 20%;  Non-inclusion criteria:  The presence of concomitant pathology in the stage of decompensation; Hard smokers (more than 10 cigarettes per day); Radio and chemotherapy in history over the past 5 years; Pregnancy and breastfeeding; Taking medications that affect the healing of soft tissues (nonsteroidal anti-inflammatory drug, steroid drugs).  Exclusion Criteria:  Patients with infections either periodontally or periapically; Pregnantcy following entrance into the study; Patients having poor oral hygiene or not wanting to carry out oral hygiene measures; Subjects, who in the opinion of the investigator, for any reason will not be able to complete the study per protocol.