Aims Dentophobia is a well‐know kind of phobia and psychological problem in dentistry. Although patients might suffer from severe oral pain and have serious health complications, dentophobia is still posing a threat to oral healthcare and remains an unresolved worldwide phenomenon. According to estimates, up to 80% of the general population are affected by this condition. Dentophobia is an unpleasant problem with serious consequences not only for patients but also for dentists and the public health system in general. This umbrella review provides a comprehensive overview of the various aspects of dentophoia as addressed in the published literature, and the current level of knowledge concerning their treatment. Methods and results Based on 35 reviews of the published literature, addressing various aspects of dentophobia and published between 2008 and 2021, this umbrella review was written. The search was based on the PubMed and PsycINFO databases. The extraction was structured by open coding and each aspect of the subject analyzed according to Ritchie and Lewis. Conclusion We conclude that the evidence concerning the efficacy of the various interventions is still rather weak and there is an obvious need for further research, because of the yet and unresolved challenges and the lack of standardised guidelines to deal with patients with dentophobia.

Background In terms of a highly atrophic maxilla, bone augmentation still remains very challenging. With the introduction of computer-aided design/computer-aided manufacturing (CAD/CAM) for allogeneic bone blocks, a new method for the treatment of bone deficiencies was created. This case report demonstrates the successful use of two specially designed and CAD/CAM manufactured allogeneic bone blocks for a full arch reconstruction of a highly atrophic maxilla with an all-on-six concept. Case presentation We report the case of a 55-year-old male patient with a highly atrophic maxilla and severe bone volume deficiencies in horizontal and vertical lines. In order to treat the defects, the surgeon decided to use a combination of two allogeneic bone blocks and two sinus floor augmentations. The bone blocks were fabricated from the data of a cone beam computed tomography (CBCT) using CAD/CAM technology. After the insertion of the two bone blocks and a healing period of 7 months, six dental implants were placed in terms of an all-on-six concept. The loading of the implants took place after an additional healing time of 7 months with a screw-retained prosthetic construction and with a milled titanium framework with acrylic veneers. Conclusion The presented procedure shows the importance of the precise design of CAD/CAM manufactured allogeneic bone blocks for the successful treatment of a highly atrophic maxilla. Proper soft-tissue management is one of the key factors to apply this method successfully.

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