| Summary: | Abstract Background Accurate marginal adaptation of dental restorations guarantees their long-term success and longevity. Clinical evaluation of marginal adaptation is done using different techniques utilizing conventional tools such as mirrors and probes, which are subjective and non-standardized. Precise determination of restorations marginal gap intraorally, represents a challenge, especially when conducting clinical research testing newly introduced restoration designs or materials. Case presentation A 31-years-old female patient came to dental clinic seeking full coverage restoration for an endodontically treated upper left maxillary first premolar. After the patient received an all ceramic Bruxzir crown, the marginal adaptation and precise gap determination were evaluated intraorally utilizing digital microscope, aided with a novel custom-made microscope-holding device that facilitated standardization and handling. Conclusions The described method aided with the novel custom-made microscope holding device proved to be an easy, time saving and precise technique in evaluating the marginal gap directly inside patient’s mouth especially in clinical researches.
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