Prosthetic rehabilitation of edentulous patients can sometimes pose many clinical challenges for the clinician. The importance of correct vertical and horizontal positioning of the anterior teeth so that the completed denture is esthetically pleasing while being functionally correct has been well documented in the literature. Different techniques have been proposed whereby a conventional occlusal rim is used. The wax-rim thickness of this design can interfere with the neutral zone, making normal phonetics difficult. In this report, a completely edentulous patient received treatment using a modified occlusal rim so that phonetics could be used to determine the anterior tooth position and vertical dimension, following a strict adherence to a clinical protocol. The methodology involved the use of heat-processed resin record bases and a thin segment of baseplate wax that mimics anterior teeth. This approach resulted in a more natural feeling for the patient and provided the clinician the necessary information for the laboratory, which was easily communicated.
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BMC Oral Health
November 2024
Department of Prosthodontics, Faculty of Dentistry, Hacettepe University, Ankara, Turkey.
Case Rep Dent
October 2024
Department of Removable Prosthodontics, School of Dental Medicine, University of Zagreb, Zagreb, Croatia.
This clinical report describes how a decubital ulcer arose from the direct contact of the vestibular movable mucous membrane against mini-implant balled-type heads after the mini-implant insertion in the edentulous atrophic mandible of a 78-year-old patient who was not wearing a conventional mandibular complete denture for more than 10 years. Due to severe alveolar ridge atrophy, mini-implant insertion (2.0 mm wide) was an option without extensive surgical procedures.
View Article and Find Full Text PDFMed Eng Phys
July 2024
State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & Department of Orthognathic and TMJ Surgery, Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, Sichuan, China. Electronic address:
Objective: To evaluate and compare the biomechanical behavior of three-dimensionally (3D) printed patient-specific Ti6Al4V with commercially made titanium mini plates following Lefort-I osteotomy using finite element analysis.
Methods: Le Fort I osteotomy was virtually simulated with a 5 mm maxillary advancement and mediolateral rotation in the coronal plane, resulting in a 3 mm gap on the left side's posterior. Two fixation methods were modeled using software to compare 3D-printed Ti6Al4V and commercial titanium mini plates, both featuring a 4-hole l-shape with thicknesses of 0.
Contemp Clin Dent
November 2022
Department of Prosthodontics, SRM Dental College, SRM University, Chennai, Tamil Nadu, India.
Parallelism to the ala-tragus line is commonly used as a guide for the orientation of the occlusal plane with the help of a fox plane. The accuracy of parallelism is affected by improper judgment or patient movement. This report describes a method with a modified fox plane that aids in occlusal plane determination.
View Article and Find Full Text PDFDent J (Basel)
September 2022
Department of Oral and Maxillofacial Surgery, Wonju College of Medicine, Yonsei University, Wonju 26426, Korea.
Dentists have made prostheses using traditional methods, which are inconvenient and time-consuming. It includes functional impression taking, plaster model production, wax rim production, intermaxillary relationship and occlusal plane setting, artificial tooth arrangement, denture polymerization, polishing, etc. To make prostheses in this way, the patient has to visit the dentist several times, and it takes a long time for them to receive treatment.
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