9 research outputs found
Techniques of Fabrication of Provisional Restoration: An Overview
A properly fabricated provisional restoration is important in achieving a successful indirect restoration. The importance of provisional restorations as an integral part of fixed prosthodontic treatment is evident from the abundance of the literature pertaining to their importance regarding margin fidelity, function, occlusion, and esthetics. There are a variety of techniques available to suit the individual needs of the clinician and of the clinical situation, from a single unit to a complete-arch provisional fixed prostheses
A systematic review of zirconia as an implant material
The purpose of this systematic review was to assess the published data concerning zirconia dental implants from various aspects.
To identify relevant literature an electronic search was performed of PubMed. Titles and abstracts were screened and articles that fulfilled the inclusion criteria were selected for a full-text reading. Articles were divided into four groups: 1) studies evaluating the mechanical properties of zirconia implants, 2) studies on osseointegration of zirconia, 3) studies on peri-implant tissue response to zirconia implant, and 4) studies on plaque accumulation with zirconia.
Review of the selected articles showed that zirconia implants are reliable for placement in the jaw bone. Furthermore, zirconia implants present a material surface that is compatible with the peri-implant tissue and relatively less attractive to plaque.
Based on the reviewed literature, it appears that zirconia has the potential to become the dental implant material of choice, especially for aesthetic restorations; however, some issues need to be studied further
Root analogue zirconia implants
Abstract Dental implants constitute a well-established approach for replacement of lost teeth with titanium being the most favored material for implantation. However, titanium has its limitations in esthetically demanding cases and neither the form nor material of such implants has changed much over the past 40 years. Immediate implantation has been introduced to overcome the disadvantages of conventional implantation which in turn has many disadvantages owing to the incongruence of the implant to the extraction socket. Today, there is scientific evidence that zirconia dental implants osseointegrate well and offer many advantages over titanium implants. The successful use of zirconia ceramics in orthopedic surgery led to a demand for dental zirconium-based implant systems. Because of its excellent biomechanical characteristics, biocompatibility, and bright tooth-like color, zirconia (zirconium dioxide, ZrO2) has the potential to become a substitute for titanium as dental implant material. In addition, there are previous reports on the successful use of Zirconia as root-analogue implants by reproducing the contours of the extracted tooth. This article presents an overview of the technique of using root analogue zirconia dental implants as an immediate implantation material which are replicas of the extracted tooth and therefore truly anatomical and socket friendly
OVERLAY DENTURES: A REVIEW AND REPORT OF FOUR CASES
Patients with ectodermal dysplasia or having under‑
gone cleft surgery with anodontia or hypodontia, hypo‑
plastic conical teeth and patients with severely worn
dentition are difficult to treat because of the poor remaining
tooth structure. These patients often exhibit loss of vertical
dimension of occlusion and aesthetic problems and usually
need complex prosthetic treatments. Financial constraints
or other priorities often restrict one from choosing the most
desirable treatment. The overlay removable denture is a
covering prosthesis partially supported by natural teeth,
tooth roots, or dental implants, providing an efficient alter‑
native of treatment. Clinical reports describe the various
applications of overlay dentures