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First impressions count Jonathan W Turner Rebecca Moazzez Avijit Banerjee Dental Update 2024 39:7, 707-709.
Authors
Jonathan WTurner
BDS, MSc, MA(Ed)
Senior Clinical Teacher/Specialist in Prosthodontics, King's College London Dental Institute at Guy's Hospital, KCL, King's Health Partners, London, UK
Professor of Cariology & Operative Dentistry, Hon Consultant in Restorative Dentistry, King's College London Dental Institute at Guy's Hospital, KCL, King's Health Partners, London, UK
The art and craft of recording intra-oral anatomy successfully with dental impressions relies on the interaction of three critical factors – the ‘golden triangle of impression-taking’: an appreciation of the anatomical features to be recorded, the material used to take the impression and the clinical handling/operative technique applied. This paper aims to discuss the three factors and their inter-relationships, detailing clinical tips for successful, reproducible and consistent outcomes.
Clinical Relevance: Obtaining accurate dental impressions is the key to success in a wide range of clinical restorative procedures. This paper offers clinical advice to practitioners to plan and then take predictable, good quality impressions for their restorative cases.
Article
This paper aims to cover the clinical aspects of planning and impression-taking for fixed and removable prosthodontics, including clinical tips for achieving successful, reproducible and consistent outcomes in routine, as well as more complex cases. A large number of impression techniques have been described.1 The key points are summarized in three tables to act as a quick reference tool for readers to obtain information on relevant anatomy, impression materials and clinical tips, including illustrative figures. In addition, there are two flow charts covering the mind-mapping process of planning and executing primary and secondary impression techniques for the construction of complete dentures.
Table 1 summarizes the anatomical features that need recording dependent upon the prosthesis to be constructed, their clinical relevance and problems that may be encountered if not incorporated appropriately into the design of the final prosthesis. Figures 1 and 2 show the position of the important anatomical landmarks in edentate mouths and suitably fitting and extended trays.
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