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Ideal prosthetic and aesthetic results in implant therapy results from successful implant placement. Such success depends on a number of factors; one of which is the accurate transfer of information from the planning stage to the surgical field. Surgical templates are instrumental in allowing such transfer of information. This article aims to review various designs of implant guides and their accuracy.
CPD/Clinical Relevance: A surgical guide allows precise implant placement for predictable implant therapy outcomes.
Article
It is well documented in the literature that there is clear correlation between surgical and prosthetic complications and improper implant placement.1 As such, it is imperative that methodical treatment planning on implant position is undertaken and that this is translated to the oral cavity during surgery. The use of a surgical guide facilitates this transfer with regards to implant position, angulation and depth.2
A surgical guide is the combination of a contact surface that fits onto a patient's dentition and/or edentulous space to stabilize the stent in the operative field and guiding cylinders, which assist in drill orientation.3 This article reviews different types of surgical guides used for implant placement and the level of accuracy expected.
Surgical guides have three main uses, which are highlighted in Table 1.
Advances in medical imaging and digital software have revolutionized the treatment planning of prosthetically driven implant provision.5 In turn, this has facilitated the development of novel and advanced techniques to fabricate surgical guides that are more accurate.
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