Dental Asia March/April 2022

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USER REPORT Rehabilitation of an edentulous lower jaw presenting reduced residual bone crest with Anthogyr Mini Implant System Designed to deliver retentive connection, reliability and efficacy, mini implants are an alternative solutions who are unable to receive conventional implants. By Dr Sergio Salina Fig. 1 Fig. 2 Fig. 3 Fig. 4 Fig. 5 Fig. 6 Fig. 7 Fig. 8 Fig. 9 Fig. 1: Initial situation Fig. 2: Pre-operative view of the edentulous mandibular crest Fig. 3. Pre-operative panoramic x-ray Fig. 4: Use of the depth and alignment gauge to check the correct placement of the drilling and alignment for the two first implant sites Fig. 5: Post-operative picture following placement of four mini implants Fig. 6: Post-operative panoramic x-ray Figs. 7-8: Immediate post-operative situation following surgery: existing denture adaptation with soft relining material Fig. 9: Mini implants follow-up at 30 days following surgery 52 DENTAL ASIA MARCH / APRIL <strong>2022</strong>
USER REPORT A non-smoker and -diabetic 74-year-old female patient presented with a severe grade of multiple sclerosis and rheumatoid arthritis. The patient was cared for in her wheelchair. Over the last 30 years, she lost a great part of her lower dentition, except the third molar. The upper jaw consisted of an old bridge and a removable overdenture. Fig. 10 Fig. 11 The project, taking into account the critical economic condition of the patient, was to extract the root 43 and insert four mini implants in the lower jaw, in accordance with digital planning based on her cone-beam computed tomography (CBCT) scan. CONCLUSION The Anthogyr Mini Implants System was optimised for rehabilitating this patient with disability problems in a simple and effective way. It is an affordable, less invasive, user-friendly solution for all patients who are unable to receive rehabilitations supported by conventional implants, for anatomical or economic reasons, or poor general health conditions. The main indication is elderly and special patients who need to anchor their removable prostheses and have sufficient residual bone crest to receive a minimum implant size of 10mm in length and Ø2.6mm in width. Anthogyr Mini Implant System offers new treatment possibilities for edentulous patients as it is much more solid and reliable than the old and conventional mini implants which have been used so far. The Optiloc retentive connection is also very compact and performant. The surgical protocol for these implants is easy and less invasive: in most patients, the procedure involves a flapless surgery, with short surgical times and with no or very little post-operative discomfort. With regards to the Optiloc prosthetic system, it is worth noting that a good impression was made despite not having a long follow-up. The Optiloc retentive attachment performed much better Fig. 12a Fig. 12b Fig. 14 Fig. 15 than conventional ball attachment and it required a minimum amount of space in the prosthesis when compared to these systems. Hence, the Anthogyr Mini Implant System has been adopted as a key alternative treatment solution within the treatment panel for all patients who need to support a removable denture and who cannot receive “conventional” implants. Overall, this system is easy to use, fast, with excellent retentive connection, and in many cases also convenient, because it allows the maintenance of the patient’s prosthesis with small and easy adaptations. DA Fig. 13 Fig. 10: Checking of the Optiloc retention components and denture adaptation. Red and extra-light retention inserts will be placed initially Fig. 11: For the preparation of mini implants for definitive denture relining and installation, mounting collars were placed on each Optiloc connection to protect the implant neck from any resin or adhesive residue. Matrix housings including retention inserts were then placed to exert a slight compression between the mounting collar and the matrix housing Fig. 12a: The base of the existing denture is excavated in the areas where the Optiloc matrix housings will be located, using a contra-angle and a resin bur Fig. 12b: A silicone impression is taken to confirm that there is sufficient space between the matrix housings and the base of the prosthesis Fig. 13: Denture prepared with cavities, using a Fig. 15 monomer, for placement on the matrix housings Fig. 14: After final positioning and occlusion check, the denture, with settled matrix housings, is ready for mounting collars removal and finishing Fig. 15: Final clinical situation with the removable denture successfully stabilised by Optiloc system on Anthogyr Mini Implants ABOUT THE AUTHOR Dr Sergio Salina graduated with a degree in dentistry in 1995 and a specialisation in oral surgery with honours in 2007 at the University of Milan; he subsequent took an advanced in periodontology at the University of Verona. A teacher and coordinator of EMDOLA Master at University of Parma, he is currently an active member of the Italian Academy of Osseointegration (IAO). DENTAL ASIA MARCH / APRIL <strong>2022</strong> 53
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Dental Asia March/April 2022

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