Objective: To determine if the use of panoramic radiographs is a reliable method of predicting maxillary sinus membrane exposure or perforation during extraction of maxillary teeth.
Method And Materials: The radiographs of 72 patients were evaluated before extraction of maxillary teeth, and a prediction was made whether exposure or perforation of the sinus membrane was likely. This decision was based on the proximity of the root tip to the radiographic floor of the maxillary sinus. The extraction site was then evaluated to determine if the sinus membrane was visible or if a perforation had occurred.
Results: Possible exposure or perforation of the maxillary sinus was predicted in 27 patients. In this subset of patients, it actually occurred 4 times (14.8%). However, it also occurred 5 times when not predicted (11.0%).
Conclusion: Use of panoramic radiographs is not a reliable method to predict the likelihood of sinus involvement following the extraction of posterior maxillary teeth.
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Cureus
December 2024
Faculty of Dentistry, Pharos University, Alexandria, EGY.
Background Odontogenic maxillary sinusitis arises mainly from dental origins, emphasizing the connection between dental health and sinus issues. Understanding these relationships is crucial for implant planning, sinus augmentation procedures, and managing post-extraction complications. This knowledge can help clinicians make informed decisions about treatment timing and approach.
View Article and Find Full Text PDFVet Med Sci
March 2025
Department of Basic Sciences, Faculty of Veterinary Medicine, Urmia Branch, Islamic Azad University, Urmia, Iran.
Background: Nowadays, computed tomography (CT) scanning is one of the most practical and precise diagnostic imaging methods that can be utilized to evaluate the head in birds.
Objectives: This study aimed to present the normal anatomical data of the head of the cockatiel (Nymphicus hollandicus) using the CT method. In this research, the features of this bird's head were investigated in terms of bones, joints, muscles, sinuses and other constituent tissues.
J Esthet Restor Dent
January 2025
Department of Orthodontics, College of Dentistry, Dankook University, Cheonan, South Korea.
Objective: This case report demonstrates the orthodontic treatment to correct a severe scissor bite and occlusal disharmony in a 26-year-old female patient, including the use of temporary anchorage devices (TADs) and fixed orthodontic appliances.
Clinical Considerations: Severe scissor bite is associated with vertical problems, such as molar extrusion. For orthodontic treatment, interradicular TADs were used to intrude the extruded molars, control the inclination of molars, correct dental midline, and improve dental relationships.
BMC Oral Health
January 2025
Affiliated Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, People's Republic of China.
Objective: The aim of this study was to establish a three-dimensional finite element (FE) hydraulic pressure technique model and compare the biomechanical characteristics of the osteotome technique and the hydraulic pressure technique using three-dimensional finite element analysis (FEA).
Methods: Three FE models were created: the hydraulic pressure technique (M1), the osteotome technique with a Ø 1.6-mm osteotome (M2), and the osteotome technique with a Ø 3.
J Dent
January 2025
Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi'an Jiaotong University; Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Disease, College of Stomatology, Xi'an Jiaotong University; Department of Implant Dentistry, College of Stomatology, Xi'an Jiaotong University. Electronic address:
Objective: The study aimed to evaluate the accuracy and safety of the semi-active robotic system for implant placement in atrophic posterior maxilla.
Methods: Patients underwent robot-assisted implant placement in atrophic posterior maxilla were identified and included. Cone-beam computed tomography (CBCT) was performed before surgery.
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