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Biomedical subjects

L J Dario

Publications and source records attributed to L J Dario.

13 recordsLinked to original sources
PubMed2000

Fixed implant rehabilitation of the edentulous maxilla: clinical guidelines and case reports. Part II.

Fixed prosthetic implant reconstruction of the edentulous maxilla demands skill and state-of-the-art techniques of both the surgeon and the restorative dentist. As discussed in Part I (Implant Dent. 1999;8: 186-193), accurate diagnosis and treatment planning are essential to successful, predictable clinical results. How and where implants are placed have a lasting impact on the quality and prognosis of the final restoration. A series of clinical guidelines and considerations is reviewed with illustrative clinical treatment protocols of edentulous maxillae of unfavorable anatomy including attendant prosthetic difficulties. This article addresses the fixed implant rehabilitation of edentulous maxillas with inadequate posterior bone and favorable arch position, inadequate posterior bone and unfavorable arch position, and inadequate anterior and posterior bone and unfavorable arch position.

Adult↗
PubMed1999

A soldering index for cement-retained implant restorations.

Recent advances in implant abutment interface design purport to offer more repeatable, accurate abutment connection. Improved circumferential indexing of the abutments along with a decrease in micromovement may result in a more predictable fit of cement-retained implant prostheses through a simple variation of soldering technique. A technique for developing a more accurate soldering relationship is described.

Cementation↗
PubMed1999

Fixed implant rehabilitation of the edentulous maxilla: clinical guidelines and case reports. Part I.

Fixed implant reconstruction is one of the most challenging prosthetic treatment alternatives for the edentulous maxilla. Accurate diagnosis and treatment planning are essential to successful, predictable clinical results. Decisions concerning the placement of implants may have a lasting impact on the quality and prognosis of the final restoration. A series of clinical guidelines and considerations is presented with illustrative clinical treatment protocols of edentulous maxillae that vary in degrees of anatomical and prosthetic difficulty. This article addresses the fixed implant rehabilitation of edentulous maxillas with favorable anatomy and favorable arch position, favorable anatomy, and unfavorable arch position, and unfavorable anatomy and favorable arch position.

Adult↗
PubMed1998

The Spline implant interface: analysis and initial clinical experiences.

A new implant with a spline-shaped interface (Spline) was recently introduced. A common and preferred method of connecting two cylinders in many fields of industry, the Spline offers implant dentistry improved strength and precision compared to earlier and current implant connection designs. A comparative engineering analysis of the Spline and the major implant interfaces is offered, including the possible clinical implications. Initial surgical and restorative experiences with cement and screw-retained prostheses are presented in case reports.

Adult↗
PubMed1996

Implant angulation and position and screw or cement retention: clinical guidelines.

The choice between cement and screw retention in implant prosthodontics may be a matter of personal preference or dictated by specific clinical situations. As set of clinical guidelines based on implant angulation and arch position and clinical considerations are presented to aid the clinician in determining the most appropriate method of retention for implant prostheses.

Cementation↗
PubMed1996

Giant cell tumor in the mandible: surgical treatment and implant-supported reconstruction--a clinical report.

Giant cell tumors of the jaw are extremely rare. The malignant variants of these tumors are distinguished by their rapid growth, pain, or tumor paraesthesia. The lesions generally manifest as multilocular radiolucencies of bone with well differentiated margins. If not diagnosed and treated, the lesions may resorb the alveolar ridge and displace the roots of the teeth. The learning objective of this article is to present the diagnosis of the lesion, mandibular resection, bone graft augmentation of the surgical site, implant placement, and restoration of oral function by implant-supported prosthesis. Multidisciplinary approach and cooperation are credited for the successful final result.

Adolescent↗
PubMed1995

How occlusal forces change in implant patients: a clinical research report.

The author recorded the occlusion of 100 patients with fixed implant prostheses on 571 endosseous root form implants when the implants were placed. He made six subsequent occlusal contact comparisons at three-month intervals. Hyperocclusion occurred on implant prostheses in nearly half of the patients during the test period, with the majority of changes occurring in the first three to six months. These changes in the distribution of occlusal contact forces may partially explain the reports of early implant failure by other investigators, and they suggest the need for a more vigorous post-insertion occlusal evaluation.

Bite Force↗
PubMed1993

Implant prostheses using milled custom abutments.

A case report is presented to introduce a simple, predictable technique to restore implants in ceramometal on milled custom abutments. The new component discussed in this paper was created to fabricate prosthetic posts for cement-retained ceramometal prostheses. It is available for most major implant systems and is applicable to nearly any ceramometal implant restorative situation, with the rare exception of extremely short intraocclusal distance or extreme lingual placement or angulation of the implant fixture.

Dental Abutments↗
PubMedDate not supplied

Chin bone harvesting for autogenous grafting in the maxillary sinus: a clinical report.

The sinus lift has become a common dental procedure when insufficient bone exists to support endosseous dental implants. The goal of the procedure is to augment existing bone in the posterior maxilla. Various resorbable and nonresorbable allograft, xenograft, and synthetic materials and mixtures, with and without autogenous bone, have been used for sinus augmentation. The authors prefer a mixture of autogenous bone with resorbable bovine xenograft, utilizing as much autogenous bone as possible. The chin offers an ideal site for bone harvesting because of its advantages over other potential sites, such as iliac crest, rib, and calvarium. These advantages include ease of accessibility, relatively simple office-based surgery, minimal morbidity, and the benefits of utilizing intramembranous versus endochondral bone. This article describes the harvesting and the sinus lift procedures. The learning objective of this article is to present this particular procedure using a clinical report to illustrate.

Bone Transplantation↗