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Results for “DENTAL RESTORATION, TEMPORARY”

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PubMed1991

[Conservation concerns in multiband treatment].

If (secondary) caries or amalgam fractures occur during fixed orthodontic treatment, the general dentist usually faces difficulties. Often temporary fillings are inadequate. Due to marginal leakage or break down they may jeopardize an orthodontic result. Step by step four cases of operative dentistry during fixed orthodontics are presented. A wait-and-see attitude or temporary measures for a longer period of time are definitely contraindicated.

Adolescent↗
PubMed1991

Use of a multifunctional precision attachment in a fixed partial denture with limited periodontal support. A clinical report.

A multifunctional precision attachment used in a fixed partial denture with questionable prognosis enhances the serviceability of the reconstruction. In the treatment presented, future loss of the posterior abutments will not jeopardize the complete rehabilitation. Osseointegrated implants used in conjunction with a fixed prosthesis or a removable partial denture can restore the missing segments.

Cuspid↗
PubMed2000

The effect of zinc oxide-eugenol on the shear bond strength of a commonly used bonding system.

It has been claimed that eugenol has a detrimental effect on resin composites and dentin bonding systems. The aim of the present study was to examine whether zinc oxide-eugenol (ZOE) cement would reduce the efficacy of a bonding system. Human third molars were selected for the study, and cylindrical posts of a resin composite (Z100) were bonded vertically to a standardized flat dentinal surface, prepared on the buccal surface of the teeth and treated with Scotchbond Multi-Purpose. The tooth surfaces involved were either freshly cut, or had been exposed to ZOE cement for 6 days, with and without a subsequent thorough cleansing with ethanol. The bond strength in shear was measured after 24 hours. The results showed that ZOE cement had no negative effect on the bond strength of the resin composite (Z100) to dentin when this bonding system was used. The mean shear bond value for the specimens covered with ZOE cement for 6 days was 28.1 MPa. For specimens covered with ZOE cement and cleansed with 96% ethanol, the mean shear bond value was 23.5 MPa. The corresponding value for the controls was 19.0 MPa. These findings suggested that eugenol-containing temporary filling materials may be used safely prior to inserting resin based restorative materials, when Scotchbond Multi-Purpose is employed as the bonding agent.

Composite Resins↗
PubMed1999

Design of a cast bar reinforced provisional restoration for the management of the interim phase in implant dentistry.

Implant therapy is becoming the treatment of choice for the replacement of teeth in partially edentulous arches. The interim phase of implant treatment often presents particular problems because of the position of the remaining teeth, their periodontal status, and the loss of vertical dimension of occlusion. This case report will discuss the design and fabrication of a cast bar reinforced long-span provisional restoration based on a diagnostic wax-up to simplify the management of the interim phase.

Dental Implantation, Endosseous↗
PubMed1996

Temporary tooth separation in the treatment of approximal carious lesions.

The tunnel preparation is among the techniques proposed for restoration of approximal carious lesions. The preparations minimizes the sacrifice of sound tooth structure. The diagnostic and management problems associated with the restricted access to the approximal area, however, have limited use of this treatment modality. The difficulty of ascertaining the possible loss of enamel surface integrity is overcome by temporary tooth separation, which permits direct visual and tactile examination of approximal sites. Additionally, the increased access facilitates both preparation of the cavity and placement of the restorative material.

Dental Caries↗
PubMed1996

The use of barium sulfate for implant templates.

A controlled step-by-step approach for the use of templates for placement of dental implants is discussed. The provisional restoration, the blueprint for the final restoration, is duplicated in a radiopaque radiographic template. This illustrates the outline of the planned restoration in relation to the hard tissues.

Barium Sulfate↗
PubMed1999

1998 Judson C. Hickey Scientific Writing Award. Use of a flexible cast for the indirect fabrication of provisional restorations.

Efficient fabrication of a clinically acceptable provisional restoration for a fixed partial denture is an important part of treatment success. Fabrication of provisional restorations that uses the indirect technique produces accurate fitting provisional restorations without the chemical and thermal irritation associated with direct fabrication. With a typodont model, an indirect method is presented that uses an elastic cast for fabrication of multiple unit provisional restorations for fixed partial dentures. The cast is available within 6 minutes of impression making, can be trimmed with a sharp scalpel, and provides flexibility that allows easy separation of the acrylic provisional from the cast. The cast can also be used to evaluate the clinical acceptability of the preparations before impression making. This method has also been successfully used for the fabrication of acrylic provisional restorations for onlay preparations.

Acrylic Resins↗
PubMed2001

Immediate provisional restorations to aid in gingival healing and optimal contours for implant patients.

A procedure for making an impression at stage I implant surgery is described, and the sequential laboratory procedures for fabricating a custom provisional restoration are presented. The provisional restoration is delivered at the uncovering of the implant, providing a template for the tissue healing with desired contours. This procedure facilitates the fabrication of implant restorations with optimal gingival contours and esthetics.

Dental Implantation, Endosseous↗
PubMed1994

The role of the restorative dentist in the diagnosis and maintenance phases of implant therapy--Part III: The restoration and maintenance of oral health prior to the provision of the implant prosthesis.

Establishing and maintaining the patient's oral health prior to provision of the definitive implant restoration is the responsibility of the restorative dentist and is an important aspect of comprehensive treatment. The additional time and expense required to provide oral hygiene and conventional dental treatment needs to be acknowledged by the implant team and the patient. An anticipated three to five treatment hours are often required to provide maintenance and hygiene care, with additional time needed to provide individualized conventional dental treatment to each patient. The provision of implant therapy is a rewarding experience when all aspects of treatment are properly planned and competently performed. The general practitioner is the logical resource to provide much of the necessary treatment that is directly and indirectly related to the provision of implant restorative dentistry.

Dental Care↗
PubMedDate not supplied

Implants in the orthodontic and prosthetic rehabilitation of an adult patient: a case report.

In this case report, implants and implant-supported fixed prostheses were used to rehabilitate the anatomy and functioning of the dental arches in a patient who had presented with partial posterior edentulism. Necessary orthodontic treatment was done using provisional implant-supported prostheses as stable anchorage. When completed, the provisional restorations were removed and ceramometal restorations were placed.

Acrylic Resins↗
PubMed1995

Developing a proper sequence for implant-supported restorations.

Utilization of dental implants in the restoration of the completely or partially edentulous alveolar arches is now a recognised treatment modality. Today, success is measured not only by osseointegration but also by pleasing aesthetics. This presentation reviews and outlines treatment planning, including extraction, provisionalization, uncovering, the initial loading of fixtures, and the placement of the final restoration. Case reports are used to illustrate the presentation.

Clinical Protocols↗
PubMed1979

Treatment of compromised teeth: a multidisciplinary approach.

Treatment for uprighted abutment teeth that may have infrabony pockets can be considered complete when the following criteria are met: 1. The uprighted tooth is in its proper vertical axis. 2. There is a significant decrease in soft-tissue pocket depth. 3. Crestal leveling is evident radiographically. 4. Adequate space has been created to accommodate a pontic (minimally 6.5mm). The advantages of employing this orthodontic-periodontal technique are as follows: 1. Leveling of the osseous crest fosters pocket elimination obviating the necessity for removal of a great deal of supporting bone. Concomitantly, a significant decrease in pocket depth usually eliminated the need for periodontal surgery. 2. The resulting occlusal forces are placed in favorable axial inclinations. 3. There is an improved crown-to-root ratio, since the uprighted and extruded tooth is reduced to the level of the occlusal plane. This reduction is sufficient to improve considerably the prognosis of a questionable abutment tooth. 4. A pontic space is created for an esthetic and properly contoured pontic. 5. Parallelism is attained, so that the marginal integrity is more easily accomplished. 6. The orthodontic procedures are relatively uncomplicated, efficient, and esthetic, provided there is little or no lower anterior crowding. 7. The restorative dentist has a proper abutment tooth with a good prognosis for prosthesis.

Adult↗
PubMed1998

Alveolar ridge reconstruction and/or preservation using root form bioglass cones.

Extraction of a tooth necessitated by factors such as developmental problems, trauma, severe periodontal disease and endodontic problems often causes deformities of the residual alveolar ridge in the maxillary anterior region. These cases are usually difficult to restore prosthetically and they result in poor esthetics and insufficient occlusal function. This study investigated the efficacy of root form bioactive glass cones implanted into (a) artificial sockets produced by bone splitting of previous extraction sites (group BS) and (b) fresh extraction sockets (group FES). We included conventional extraction sockets sutured without implanting the root form bioactive glass cones as a control (group C). A total of 16 patients were treated for whom extractions had been indicated due to severe periodontitis. 6 patients with 7 implant sites having Class II or III alveolar ridge deformities comprised the BS group. 5 patients with 10 implant sites comprised the FES group. Group C, comprised 5 patients with 10 extraction sites. Alveolar ridge width and height measurements were obtained using study casts preoperatively, immediately postoperatively, and at 3 and 12 months after operation. In the BS group, while the width of the alveolar ridge increased by 2.8+/-1.18 mm immediately after ridge augmentation procedure and by 2.4+/-0.93 mm at 1 year after operation (p<0.01), the height of the alveolar ridge increased by 1.8+/-1.99 mm and 1.4+/-1.74 mm respectively (p<0.05). In the FES group, the differences between preoperative original ridge height and width and postoperative measurements were not statistically significant, which demonstrated the efficiency of this method in preserving the alveolar ridge. In group C, while alveolar ridge width after 12 months had not significantly changed, alveolar ridge height decreased significantly (1.35+/-1.05 mm, p<0.01). After 12 months, no dehiscences were detected and the differences in height between the groups remained significant. The results of this study indicate that this procedure is efficient in reconstructing alveolar ridges deformed as a result of extraction, particularly relevant in relation to preparation for subsequent restorative treatment.

Adult↗
PubMed2001

An alternative method for restoring single-tooth implants.

BACKGROUND: Having laboratory technicians prepare soft-tissue casts and implant abutments with or without concomitant removable temporary prostheses during the restorative phase of single-tooth replacement is an accepted practice. It can, however, result in functional and esthetic intraoral discrepancies. CASE DESCRIPTION: Single-tooth implants can be restored with crowns (like those for natural teeth) fabricated at a dental laboratory on casts obtained from final impressions of prepared implant abutments. In the case reported, the restorative dentist restored the patient's single-tooth implant after taking a transfer impression. He constructed a cast simulating the peri-implant soft tissue with final impression material and prepared the abutment on this model. His dental assistant then fabricated a fixed provisional restoration on the prepared abutment. At the patient's next visit, the dentist torqued the prepared abutment onto the implant, took a final impression and inserted the provisional restoration. A crown was made conventionally at the dental laboratory and cemented in place at the following visit. CLINICAL IMPLICATIONS: This alternative method for restoring single-tooth implants enhances esthetics by more accurately simulating marginal gingival architecture. It also improves function by preloading the implant through fixed temporization after the dentist, rather than the laboratory technician, prepares the abutment to the dentist's preferred contours.

Crowns↗