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Background: Removable partial denture (RPD) is still a widely used prosthesis today to solve non-implant cases, despite its aesthetic contraindications. The aim of the following work is to evaluate how much the communication and explanation to the patient of the insertion axis of the removable partial prosthesis in the periodontium and teeth has an impact on his degree of acceptance of the aesthetic limits of this prosthesis.
Methods: For this study, 150 patients were examined from 10 dentists, 5 in Lombardy and 5 in Sicily, using inclusion criteria and exclusion criteria. All selected patients required removable partial dentures. The data was obtained by completing 2 questionnaires, at three different times, at prosthesis delivery, at 6 and 12 months.
Results: Questionnaires highlighted overlapping data in the two regions and a total absence of communication of the insertion axis by the dental technician laboratories was highlighted with a percentage of 100%. 28% of the patients complained of pain during the insertion of the prosthesis at 12 months and 39.33% of patients had mobility of remaining teeth with clasps at 12 months. All patients experienced no discomfort, and no important data were reported at the first 6-month follow-up.
Conclusions: For mobile partial dentures, respecting the insertion axis can improve the predictability of the periodontal tissue and the resistance of the remaining teeth with clasps. The drawing of an arrow in the model shows the insertion axis of the prosthesis. It would be desirable to include information regarding the insertion axis and advice for the management of the removable partial denture in the first days of use in the declaration of conformity given to the doctor and to thepatient, in the indications section. It can be said that correct insertion of the removable partial denture, helped by verbal and written instructions from the doctor, can reduce possible periodontal alterations of the remaining teeth, by eliminating spurious stresses during insertion and removal of the prosthesis.
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http://dx.doi.org/10.23736/S2724-6329.24.04973-8 | DOI Listing |
Cureus
July 2025
Department of Ophthalmology, Kanagawa Dental University Yokohama Clinic, Yokohama, JPN.
Highly myopic strabismus is a progressive form of esotropia and hypotropia. It occurs when the globe axis is elongated due to high myopia, causing the posterior portion of the globe to dislocate between the superior rectus and lateral rectus muscles and prolapse from the muscle cone. This condition is often accompanied by mechanical restrictions of eye movement.
View Article and Find Full Text PDFJ Am Vet Med Assoc
August 2025
Objective: To provide a video tutorial on ultrasound-guided arthrocentesis and injection of the canine elbow and stifle joints.
Animals: Dogs undergoing arthrocentesis or IA injections for diagnostic or therapeutic purposes.
Methods: The target joint is visualized in long axis with a 70% isopropyl alcohol medium and linear array probe with a frequency range of 2 to 14 MHz and a footprint of 50 mm after clipping a window and preparing the region sterilely.
Rev Sci Instrum
August 2025
Department of Electrical Engineering, University of New Mexico, Albuquerque, New Mexico 87131, USA.
Triggered spark gaps are essential to a wide variety of applications but generally require expensive, fast risetime high voltage trigger generators to achieve reliable performance. In this effort, the specific case of a field distortion spark gap with an off-axis pin electrode that commutates via cascade breakdown was studied. A solid-state driven ignition coil with a peak open circuit voltage of 40.
View Article and Find Full Text PDFBiomimetics (Basel)
August 2025
School of Mechanical Engineering, Southeast University, Nanjing 211189, China.
Robotic assembly of electrical connectors enables the automation of high-efficiency production of electronic products. A rigid gripper is adopted as the end-effector by the majority of existing works with a force-torque sensor installed at the wrist, which suffers from very limited perception capability of the manipulated objects. Moreover, the grasping and movement actions, as well as the inconsistency between the robot base and the end-effector frame, tend to result in angular misalignment, usually leading to assembly failure.
View Article and Find Full Text PDFOrthop Surg
August 2025
Department of Orthopedics, The Fourth Medical Center, Chinese PLA General Hospital, Beijing, China.
Background: Anteromedial cortex reduction and accurate placement of the cephalomedullary nail is the key point to confront implant failure of intertrochanteric fractures. Existing intramedullary nails cannot compensate for femoral neck-shaft offset (FNSO), potentially undermining surgical outcome. This study aimed to investigate the effect of FNSO on anteromedial cortex reduction and accurate placement of the cephalomedullary nail for intertrochanteric fractures.
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