Placement of dental implants in a severely resorbed anterior maxillary alveolar ridge is limited by the fact that implants may penetrate the nasal cavity. However, when the maxilla shows unusual anatomical changes, reconstruction with implants can be a challenge. Options to increase the bone in this region to permit placement of implants include: maxillary onlay bone graft, Le Fort I interpositional bone graft, and augmentation of the nasal floor, which is a procedure where only the piriform rim and the anterior nasal spine are exposed through an intraoral approach. In our case we modified this to what we call the nasal lift technique, which is a combination of turbinectomy followed by lifting of the anteroposterior nasal floor through a lateral window using autogenous bone or bone substitutes to augment the space.
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Clinic for Masticatory Disorders and Dental Biomaterials, Center for Dental Medicine, University of Zurich, 8006 Zurich, Switzerland.
: Sinus lifting, a procedure to augment bone in the maxilla, may cause complications such as sinusitis due to impaired drainage. This study aimed to assess how sinus lifting impacts airflow in the sinus cavity, which is essential for patients undergoing dental implants. Using computational fluid dynamics (CFD), this research analyzed airflow changes after sinus floor elevation, offering insights into the aerodynamic consequences of the procedure.
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Department of Pediatrics Dentistry and Orthodontics, Faculty Odonto-Stomatology, Can Tho University of Medicine and Pharmacy, Can Tho City, Vietnam.
Aim: This study aimed to evaluate the impact of a combination of immediate implant placement with maxillary sinus augmentation (MSA) solely using platelet-rich fibrin (PRF) on guided bone regeneration.
Materials And Methods: An interventional before-after (pre-post) study design was used with 30 dental patients (≥18 years of age; 14 males and 16 females) with initial bone heights ranging between 4 and 6 mm. Following the general check-up and the creation of a study model, the planned implant location demonstrated an external right maxilla diameter of more than 5 mm, thereby validating the cone-beam computed tomography (CBCT) radiograph.
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Purpose: Currently, maxillary sinus floor (SF) elevation is based on off-the-shelf allogeneic, xenogeneic or synthetic bone augmentation materials (BAM) that are implanted via an open lateral sinus wall approach (OSFE). However, this invasive method is associated with postoperative complications caused by an inadequate blood supply of the alveolar ridge. Balloon-assisted procedures are minimal invasive alternatives with lower complication rates.
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Many wingless arboreal arthropods can glide back to tree trunks following free falls. However, little is known about the behaviors and aerodynamics underlying such aerial performance, and how this may be influenced by body size. Here, we studied gliding performance by nymphs of the stick insect Extatosoma tiaratum, focusing on the dynamics of J-shaped trajectories and how gliding capability changes during ontogeny.
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Rhinoplasty and lip lift surgeries are pivotal procedures in facial aesthetics, addressing nose and lip enhancements, respectively. The concurrent execution of these surgeries has gained popularity for achieving improved facial balance and harmony. However, data on the outcomes of combined rhinoplasty and lip lift procedures remain limited.
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