Background and purpose Implant-supported mandibular overdentures are a good alternative for patients having poor retention of mandibular conventional dentures. The aim of this prospective study was to evaluate and compare the results between early loading and delayed loading of mandibular overdentures on two unsplinted implants. Materials and methods A total of 14 completely edentulous male patients in the age group of 50-60 years were selected for the study. Two 3.5×13 mm implants were placed in the mandibular interforaminal region. The patients were divided into two groups: (i) the test group in which the overdenture was connected after one week of surgery, and (ii) the control group, in which the overdenture was connected three months after surgery. Marginal bone levels were evaluated at baseline (during loading), three months, and six months post loading. Unpaired 't' test was used for the comparison of intergroup measurements. Results No implants were lost. Marginal bone resorptions showed no statistically significant differences between the two groups over six months period after loading. Conclusion The results of this prospective clinical study suggested that there was no significant difference in the clinical and radiographic state of patients treated with implant-supported mandibular overdentures loaded either one week or three months after implant surgery.
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http://dx.doi.org/10.7759/cureus.35210 | DOI Listing |
Int J Implant Dent
January 2025
Lecturer at removable prosthodontic department, Faculty of dental medicine for Girls, Al-Azhar University, Cairo, Egypt.
J Indian Prosthodont Soc
January 2025
Department of Prosthodontics, K M Shah Dental College and Hospital, Sumandeep Vidyapeeth, Vadodara, Gujarat, India.
Aim: The aim is to evaluate and compare stress distribution characteristics of ball, magnet, and positioned attachment systems in single and double implant-retained overdentures using the finite element method (FEM).
Setting And Design: In vitro (in silico study) finite element analysis (FEA).
Materials And Methods: A Styrofoam mandible with duplicated silicon mucosa was used to construct a mandibular complete denture.
Dent Mater J
December 2024
Mechanical Engineering, Faculty of Engineering, Atatürk University.
This study aimed to apply finite element analysis (FEA) to simulate the oral environment of a patient with an implant-supported overdenture prosthesis. A 3D mandibular model was created for a 45-year-old female patient from CT images, with mucosal thickness measured at 3 mm on average using ultrasonography. The overdenture prosthesis was scanned with an intraoral scanner and placed onto the 3D mandibular model.
View Article and Find Full Text PDFBMC Res Notes
December 2024
Department of Oral Medicine and Periodontology, Faculty of Dental Sciences, University of Peradeniya, Peradeniya, Sri Lanka.
Objective: To compare the effectiveness of prosthetic rehabilitation of edentulous patients using conventional complete dentures (CD), single median dental implant retained over dentures (SIMOD) with over dentures retained by two dental implants (TIMOD).
Methods: Thirty completely edentulous patients (fifteen each arm) presented to the Faculty of Dental Sciences, University of Peradeniya were randomly selected for the SIMOD or TIMOD groups. Patients were initially provided with CD.
J Dent
November 2024
Department of Dentistry, Federal University of Santa Catarina (UFSC), Florianópolis, Brazil; College of Dentistry, University of Illinois Chicago (UIC), Chicago, USA.
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