Male patient NQN (29 years old, living in Quang Ngai) was discovered to have a tumor in his lower jaw bone 6 years ago but stopped treatment after the initial follow-up period.
Recently, the swelling increased, the patient came to Military Hospital 175 with a swollen lower jaw, mild inflammation and redness of the mucosa, and little pain. The results of the diagnostic imaging showed that the tumor destroyed the bone from tooth number 44 to the ascending branch of the right lower jaw.
The patient underwent surgery to resect the lower jawbone, remove the tumor with a safe margin of 1cm, and reconstruct the lower jawbone with a free peroneal muscle flap. This is a complex technique, requiring skill, meticulousness and endurance from the surgical team. However, with the support of 3D technology, doctors can accurately simulate each cutting, grafting and reconstruction operation. As a result, the surgical results are optimized in both function and aesthetics, bringing outstanding efficiency to the patient.
On December 2, Dr. Do Van Tu (Facial and Maxillofacial Department, Military Hospital 175) said that the patient was designed with a cutting line and a surgical guide to cut the jaw bone and fibula on the software, print the tray, print a 3D jaw model after simulating bone cutting and reconstruction; bend the splint according to the simulated jaw model before. Then, cut the lower jaw bone from the high branch to the distal side of tooth 42, the fibula muscle flap after dissection will be cut according to the previous model. Combine the fibula into the pre-bent reconstruction splint, then combine the flap complex, splint into the lower jaw bone to ensure the bite and mobility of the jaw bone. Finally, the microsurgical technique of suturing blood vessels ensures the survival of the reconstruction flap.
Doctor checks patient's condition after surgery
After 10 days of surgery, the patient recovered well. The whole body was stable, no fever, normal vital signs, good fibula flap, dry surgical wound, fast healing, eating, chewing, opening and closing movements and facial aesthetics were significantly improved.
Dr. Tu said that the lower jaw bone not only plays an important role in chewing, speaking, and swallowing, but also shapes the facial structure. Therefore, reconstructing large defects after surgery is always a top priority. The free fibula flap with 3D printing technology brings many advantages such as ensuring enough bone supply for large segment reconstruction, allowing two surgical teams to perform simultaneously to shorten the surgical time while increasing the accuracy and effectiveness of treatment.
Application of 3D technology in mandibular bone regeneration
Dr. Tu said that ameloblastoma is a benign tumor but has the ability to destroy bones and has the potential to become malignant if not treated promptly. Surgery to cut a section of the jawbone to remove the tumor often causes serious functional and aesthetic losses, greatly affecting the patient's quality of life, especially in young people.
Currently, 3D technology is increasingly applied in the field of maxillofacial surgery such as orthopedic surgery, dental implant surgery, plastic surgery, etc. To optimize treatment results, 3D printing technology has been applied in the entire process from simulation design to surgical planning. This technology allows for the precise design of bone cutting trays and reconstruction splints, creating jaw models and surgical guides with high precision, ensuring the implementation process is effective, safe and optimizes treatment results.
Source: https://thanhnien.vn/tphcm-tai-tao-guong-mat-cho-nam-thanh-nien-co-khoi-uo-xuong-ham-185241202120235747.htm
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