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science & practice ciencia & clínica 31 August | 1 September 2017 31 de agosto | 1 de septiembre de 2017 “There are a number of challenges in our field, many of which are related to failure to osseointegrate” “Muchos desafíos están relacionados con el fracaso en la osteointegración” T oday, implant specialist Dr Maher Almasri is presenting a lecture titled “Placing implants above the inferior alveolar nerve” as part of the Dental Tribune Study Club sympo- sia. In this interview, Almasri, who is head of dentistry at BPP University, a higher education provider in London in the UK, previews his lecture objec- tives and speaks about advances and challenges in the field of tissue regen- eration. World Dental Daily: Could you please summarise the objectives of today’s lecture? Who should attend your pre- sentation? Dr Maher Almasri: In this presenta- tion, I will be talking about the various |Dr Maher Almasri |Dr. Maher Almasri AD materials and modalities available for rehabilitation of atrophic maxillae and mandibles for restoration with im- plant-supported prostheses. I will take into account the amount of atrophy, the morbidity rate, any aesthetic con- cerns, and prosthetic and functional compromise. Moreover, I will cover some areas for which surgeons use contemporary methods to augment bone—most recently, the use of growth factors, which seem to enhance the regenerative capacity of the den- toalveolar tissue. The lecture will be a review of some conventional means of bone augmentation. This will provoke some sort of deliberation with implan- tologists who are aware of the di(cid:5)cul- ties they face in compromised cases. www.worldoralhealthday.org #SayAhh #WOHD18 SAY Ahh Think MOUTH Think HEALTH WORLD ORAL HEALTH DAY 2018 Discover the new 2018 WOHD campaign by visiting the website. Download educational and promotional resources, participate in events and help lead the world to optimal oral health. Official World Oral Health Day 2017 Partners Supporter Media Partner 6 www.world-dental-congress.org What is new in tissue regenerative therapy in implant dentistry? Through the years, multiple proce- dures and augmentation materials for augmenting deficient bony ridges have emerged. We can augment the bony defects either in conjunction with implant placement (simultane- ous approach) or through a surgical intervention prior to implant place- ment (staged approach). Surgeons tend to employ the staged approach in situations with large bone defects, where the primary stability of the im- plants in the prosthetically desired po- sitions is questionable. Bone augmentation procedures used in implant dentistry include graft reconstruction, guided bone regener- ation, maxillary sinus floor elevation and alveolar distraction osteogenesis. Reconstruction of the resorbed ridges using bone grafts is considered the optimal procedure to which all other rehabilitation techniques are com- pared and various types of grafts are available for this augmentation. For decades, autogenous bone has been considered the gold standard; however, it has the disadvantage of donor site morbidity. An understand- ing of the biological processes of aug- mentation and graft replacement— osteogenesis, osteoinduction and os- teoconduction—has questioned this approach, proposing the substitution of autogenous bone with a combina- tion of a non-autogenous scaffold and autologous concentrated growth fac- tors. What do you think are the greatest challenges in the field today? is considered There are a number of challenges in our field, many of which are related to failure to osseointegrate and avail- ability of tissue. However, of course, peri-implantitis the greatest challenge in this specialty. Peri-implantitis is a disease that the majority of dentists are uncertain of how to treat. Much evidence has in- dicated that one-third of implant patients will be infected, and hence, I will reiterate a colleague’s statement: “We’re sitting on a time bomb and we are going to be seeing more and more cases of peri-implantitis.” Where do you stand regarding the growing use of autogenous growth factors? in The use of autogenous growth fac- tors in many aspects of medicine and dentistry has been the highlight for several years. It is considered revolu- tionary regenerative medicine; however, we need to see more evi- dence on the use of this modality in tissue regeneration. Based on the un- derstanding of tissue augmentation that I mentioned above, it is a no- brainer for any surgeon. However, as academics and researchers, we have to respect the hierarchy of evidence for every procedure and technique. Al- though many surgeons have achieved excellent results using autogenous growth factors, we still require more evidence to demonstrate the clinical benefit over other conventional meth- ods. Beyond that, where do you see im- plant dentistry heading in the next couple of years? That is a very broad and challeng- ing question by itself; there is some- thing new every day and many re- search institutions hesitate to talk about their work until it is published. I am comfortable saying that our stu- dents are looking at the different ap- plications of growth factors in implant dentistry. For example, a group of our students are working on the antimi- crobial characteristics of concentrated growth factors, produced in one of few described ways of extracting au- togenous growth factors. This will shed some light on the therapeutic or preventative potential of concen- trated growth factors in implant den- tistry, clarifying whether these can be used to prevent or treat peri-implanti- tis. Thank you very much for the inter- view. Editorial note: Dr Maher Almasri is pre- senting the lecture from 1 p.m. to 2 p.m. in Pavilion 7 at booth 7A16–20/7B13–17. His presentation will be streamed live at www.dtstudyclub.com. E l especialista en implantología Dr. Maher Almasri presenta hoy una conferencia en vivo titulada “Colocación de implantes sobre el ner- vio alveolar inferior”, como parte de los simposios del Club de Estudios de Dental Tribune. En la siguiente entre- vista Almasri, que es director de la Fa- cultad de Odontología del BPP Univer- sity Dental Institute, un centro de edu- cación superior en Londres, explica los objetivos de la misma y los avances y desafíos en el campo de la regenera- ción de tejidos. World Dental Daily: ¿Puede resumir los objetivos de la conferencia de hoy? Dr. Maher Almasri: Hablaré sobre los diversos materiales y modalidades disponibles para la rehabilitación del maxilar y la mandíbula atróficos me- diante restauración con prótesis im- plantosoportadas. Tendré en cuenta la (cid:5) page página 7 AD TePe Interdental Brush with soft neck Booth 5D 10/11 T N I 1 2 0 1 7 1 D A