SIMS Hospital Performs Total Jaw Joint Replacement Surgeries Using 3D Printed Joints at Affordable costs

Chennai, 21 Aug. 2021: Ushering a new era in jaw joint replacement in Tamil Nadu, SIMS Hospital, Vadapalani a reputed multi-speciality hospital in Chennai, has successfully performed rare surgeries of total jaw joint replacement using 3D-printed as well as readymade jaw joints for three patients, recently. Though surgeries for the replacement of hip and knee joints have become common, the ones for the replacement of jaw joints and the use of 3D printed custom-made joints are new.

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Explaining the uniqueness of the procedure, Dr. K. Sridhar, Director, Institute of Craniofacial, Aesthetic & Plastic Surgery, SIMS Hospital, said, “We have performed total jaw joint replacement for three different patients. In one patient, who had zero mouth opening following a jaw surgery done elsewhere, the damaged jaw bone part was replaced with an artificial part made of titanium metal.

The same was done for the second patient who had complete ‘ankylosis’ (immobile joint) of temporomandibular joint (TM joint), which acts like a sliding hinge, connecting jawbone to skull. This patient also had the complaints of sleep apnoea (snoring and sleep disorder due to less oxygenation) and hypoplasia of jaw bone (smaller than normal jaw bone). For this patient, first the jaw bone was lengthened with distraction and later total joint replacement was performed.

The medical team of Institute of Craniofacial, Aesthetic & Plastic Surgery (ICAPS) of SIMS Hospital, Vadapalani posing with the Jaw Joint Replaced patients along with Dr. Raju Sivasamy, Vice President (sitting 1^st from left) Dr. K. Sridhar, Director – ICAPS (sitting 4^th from left)

The third patient had a bone tumour, for which the entire one half of the jaw, the TM joint and the adjoining facial bones were removed about 20 years ago. This patient required a custom made jaw joint for replacement. Since no bone was available to fix the joint, the total jaw joint was replaced with artificial jaws made of titanium and polyethylene using 3D printing technology. Since this patient required teeth on one half we also took leg bone and did microsurgery and put in a dental implant also at the same time.”

All the patients now have very good mouth opening. The two patients who were not able to open their mouths at all are on solid food after many years. The third patient with a custom made joint is waiting for the fixing of the teeth on the implant.

Talking about the necessity of jaw joint replacement, Dr Sridhar said, “Patients who have problems with opening of mouth (Trismus) due to infection, arthritis or trauma, struggle to chew their food. In extreme cases, the patients can hardly achieve 2–3 mm of mouth opening. We call the condition of immobile joint as ‘ankylosis. Those who have ankylosis will not be able to take real solid food, and will be forced to live their lives only with a soft or semi solid diet.”

 

Usually, the treatment for ankylosis involves creation of a gap by cutting the fused joint and tissues (like muscle, cartilage, or silicone) to prevent fusing again. But, recurrence and failure are very common. In the case of cancer, the adjoining bone may be removed leaving behind a large gap. The reconstruction for it is done by transferring a bone from leg to jaw with micro-surgery. This is possible if a joint is present. If the joint is also removed, then there is a need to create a new joint.

 

Speaking on the clinical feat, Dr. Raju Sivasamy, Vice President – SIMS Hospital, said, “All our clinical endeavours are aimed to restore good health and physical functionality for our patients. For that we innovate continuously by keeping abreast with the technological advancements around the world, and fostering clinical innovation. I applaud the leadership and guidance of Dr. Sridhar that has led his team to achieve this remarkable success.”

 

Expressing his delight on the occasion, Shri. Ravi Pachamuthu, Chairman – SRM Group, said, “It is always a proud moment to achieve something that is rare. And, I am truly delighted about this accomplishment by Dr. Sridhar and his team. Reflecting upon the life transforming clinical success of these three gentlemen, I can say that our Institute of Craniofacial, Aesthetic & Plastic Surgery really live upto their moto of ‘making lives meaningful’. I congratulate Dr. Sridhar and his team for this outstanding and rare clinical feat.”

About SIMS Hospital:

SIMS Hospitals (SRM Institutes for Medical Science) is one of the leading multi-speciality hospital in Chennai. This 345-bed hospital offers comprehensive healthcare experience across a wide range of specialities, including multi-organ transplant services. The hospital houses 15 modular OTs, 3 state-of-the-art Cath labs (including 1 Bi-plane Cath lab), advanced ICUs with Hepa-filters and innovative medical technologies, all under one roof. With the finest combination of experience, expertise, cutting-edge technology and well-coordinated multi-speciality Quaternary care facilities and patient-centric team-work, SIMS Hospital Chennai is committed to deliver services of international standards. SIMS Hospital offers holistic health care that includes prevention, prophylactic treatment and care, rehabilitation and lifestyle health education and guidance to patients, their families and clients.  At SIMS, every step is aimed at ensuring excellence in patient care.

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