Treating complex cases is clinically and technically challenging, yet highly rewarding to both patient and clinician when successfully completed. Precision in the fit of the restorations, the definitive occlusal scheme, and the esthetic result are the key elements to long-term success. Clinicians should aim to achieve the same level of precision when treating these cases as they do when treating simple cases; however, with the numerous stages and increased complexity involved comes the potential for errors to compound and magnify as treatment progresses. Areas particularly prone to difficulties are the making of a complete-arch impression and the ability to maintain patient comfort and eliminate unwanted dental emergencies throughout the time-consuming treatment. This report illustrates the techniques and concepts used to achieve esthetic and biomechanical precision when treating complex cases. Specific emphasis is placed on the importance of an accurate complete-arch impression technique, the detail of which is described in the article.
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