Diagnosis and Treatment of Diseases of the Facial Skeleton, Oral Cavity, and Paranasal Sinuses

Dear Colleagues,

Diseases of paranasal sinuses are quite often diagnosed and treated with a multidisciplinary approach. The scope of diseases of the sinuses and adjacent bones, teeth, and close anatomical sites requires good diagnostics with CT, MR, SPECT, and other imaging methods to ensure the best treatment plan possible. Modern dentistry and improved endodontics can easily help in treating odontogenic sinus infections and lesions, while the scope of endoscopic FESS procedures performed by otorhinolaryngologists grants good and accurate treatment of most diseases. Good patency of the osteomeatal complex (OMC) can be assured after FESS/ESS surgery. In some cases, when endoscopic or conservative methods of treatment are not sufficient enough, some standard open surgical approach is needed to remove a cyst, tumor, or another lesion within the sinus walls, antrum, maxillary jaw bones, eye socket, and surrounding craniofacial area. It seems that nowadays, literature mostly focuses on endoscopic approaches to the sinuses, but what about a Caldwell-Luc procedure or other more invasive approaches; should they also be used nowadays? The sinuses should be a special topic of consideration, especially since some diseases tend to grow within the sinuses and they manifest themselves in more advanced stages or are just found accidentally on some routine radiographs and computed tomography imaging. Each pathology can be treated in many possible ways and approaches; however, some interesting cases can underline new possibilities and treatment modalities or present a novel or atypical scope of the disease. Paranasal sinus pathologies are not only related to cysts, tumors, or lesions; the scope of possible teeth-related and odontogenic origins should also be remembered. The ability and knowledge of surgical procedures used to properly close an oroantral communication after teeth or cyst removal from the maxillary bone should be widespread among clinicians to reduce dangerous complications and iatrogenic-related sinusitis. On one hand, we have a communication that requires suturing; however, in some cases, when there is a big bone deficiency, we also require bone grafting and some other regenerative techniques to improve the bone size and volume and enable future dental implant placement. Nowadays, there are a lot of methods and materials that can be used quite easily to ensure not only maxillary bone stability but also to reconstruct the sinuses walls and enable good air patency along the sinuses, without any cases of mucous accumulation or inflammatory process formation within the sinuses.

The aim of this Special Issue should be discussed in articles, reviews, and case reports concerning various diseases, pathologies, clinical relevances, new outcomes and perspectives, and interesting surgical, and pharmacological treatment of not only paranasal sinuses but the entire scope of co-related diseases of adjacent structures. Moreover, special attention should be focused on the scope of diseases, differential diagnosis, good adequate diagnostics, regenerative techniques and reconstruction, and improved approach towards the paranasal sinuses.

Topics to be covered in this Special Issue include:

• Paranasal sinuses anatomy and physiology;
• Paranasal sinuses pathologies;
• Treatment modalities of oroantral fistulas and communications;
• Odontogenic and non-odontogenic inflammation of paranasal sinuses;
• Physicochemical properties of bone substitute materials for sinus reconstruction;
• Surgical endoscopic FESS/ESS paranasal surgery;
• Chronic rhinosinusitis treatment;
• Open surgical approach toward the paranasal sinuses;
• 3D printing in bone regeneration;
• Cysts, tumors, and lesions of paranasal sinuses;
• Differential diagnosis of paranasal sinus diseases;
• Tumor spread towards paranasal sinuses;
• Craniofacial skeleton-related pathologies with paranasal sinus manifestation;
• Modern titanium alloys in maxilla, maxillary sinsues or mandible reconstructions;
• Materials in endodontic surgery;
• Mechanical and biocompatible properties of CAD/CAM restorative materials;
• Materials in osteosynthesis and implantology;
• Stable bone osteosynthesis for major fractures within the paranasal sinuses region;
• Paranasal sinus's role in ventilation;
• Improvements in nasal breathing after sinus surgery;
• Pharmacological agents used in paranasal sinus treatment.

Dr. Kamil Nelke
Dr. Maciej Dobrzyński
Dr. Marceli Łukaszewski
Guest Editors

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• paranasal sinuses
• facial skeleton
• oral cavity
• eye socket
• bone regeneration
• mucous membrane