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Dental Tribune Asia Pacific Edition No.5, 2017

One-week diary of the use of the X-Mind trium CBCT unit in practice By Dr Diyari Abdah, UK trends & applications pared with a 2-D image that gener- ally does not make sense to the un- trained eye. In order to show how a CBCT unit can affect day-to-day dentistry in a small family practice, it would be beneficial to share a week’s di- ary of its use. This article provides a small selection from a week’s di- ary regarding the use of the X-Mind trium CBCT unit in the clinic. More CBCT scans were often obtained on any one day depending on the cases on that day; however, owing to space limitations in this article, only one to two cases per day are described. It must be borne in mind that each practice’s needs are dif- ferent, but one thing should be common above all and that is to as- sess every case individually and never take 3-D scans routinely, de- spite their clear diagnostic benefits. Day 1 The patient had had all of his mandibular teeth extracted many months before, owing to mobility tionally, patients appreciate the convenience of not having to travel to another location. Our X-Mind trium CBCT unit from ACTEON is rather new to our ing acceptable diagnostic value, and sometimes, a 2-D image does not provide satisfactory diagnostic value. A great deal of guesswork is often involved with 2-D imaging and trium and other settings that re- duce the radiation significantly, in- dividual assessment of every case is still very important to obtain the most from the 3-D image without “Assess every case individually and never take 3-D scans routinely, despite their clear diagnostic benefits.” practice, and we have yet to fully utilise it. Every day we find new uses and ways to benefit our pa- tients by using 3-D imaging where applicable. Following the latest ev- idence from experts in the utilisa- tion of 3-D imaging can help a great deal in deciding where and when to use it, consequently minimising radiation dosage and improving di- agnostics and planning. that could affect our decision-mak- ing and treatment planning. Judging every case individually is important in order for the benefits of using a CBCT scan to outweigh the potential risks involved with the use of any type of radiographic unit. A modern CBCT machine should allow for dif- ferent fields of view (FOV) to be uti- lised in order to minimise the dose to the patient. We owe our patients the lowest possible dose with the correspond- Despite the choice of four dif- ferent FOV settings with the X-Mind exposing the patient to extra radia- tion. In many cases, a small FOV that is enough for one to several teeth could be equal to the radia- tion dose of several periapical ra- diographs, but with a much higher diagnostic value. When a 3-D image is necessary, patients appreciate the informa- tion and education they obtain by the case being discussed with them while pointing out vital structures and proposed solutions in 3-D com- and infections, and preferred to have a fixed solution through im- plant therapy. At that point, the pa- tient was wearing a well-fitted tem- porary mandibular denture. Ini- tially, the idea was to take a scan of the existing denture with radi- opaque markers (gutta-percha in six to eight holes made in the den- ture) to plan for the placement stage. However, a decision was made to duplicate the existing den- ture using a duplication flask (Lang n There is mount- ing evidence in the literature of the diagnostic su- periority of 3-D imaging versus 2-D. As a result, many clinicians today are using 3-D imaging ei- ther by referring their patients to a CBCT scanning centre or having mobile units visit t hem—t he only benefit of this is that there is no ini- tial capital outlay to buy the ma- chine. In contrast, the benefits of an in-house CBCT device are many, in- cluding the convenience of an on-demand service at any time (pre-, peri- or postoperatively if needed), learning one software pro- gramme and utilising it fully, rather than having to learn different ones for different machines from various manufacturers and thus not em- ploying it to its full potential. Addi- Fig. 1 Fig. 2 Fig. 3 Fig. 4 Fig. 5 Fig. 6 6 Fig. 7 Fig. 8 Australian Dental Congress 2017

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