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PubMed2001

Materials and techniques for achieving clinical excellence with indirect composite restorations.

Indirect resin restoration technology continues to grow at an unbelievable rate. This article has outlined some of the materials available within this category. There are others that the author has not had the opportunity to work with. At this time, the author believes the primary indication for the use of this class of material is esthetic inlays and onlays as well as a well-planned conservative [figure: see text] fixed partial denture in a low stress area. If unclear about the best material to use in a given situation, the dentist should consult the laboratory technician to discuss the technician's experience and confidence with the different systems. Many times the physical properties of the material are not as important as the ability of the technician and his or her experience with the different handling properties of the available systems when examining the short-term and long-term success of the restoration.

Cementation↗
PubMed1986

Temporary replacement of missing maxillary incisors.

A technique has been described in which a polycarbonate crown form was used as a temporary replacement for a missing central incisor. As with the other techniques of temporary replacement using acid etching, little chair time is required for the procedure. Additional advantages of this technique are that polycarbonate crown forms are inexpensive and readily available in most dental offices, and filling the crown form with composite resin and opening up the embrasures allows maximum bulk of resin at the connector surface without encountering the staining problems associated with composite resin pontics.

Acid Etching, Dental↗
PubMed1977

[Prosthetic aspects in endosseous implantation].

Since 1975, 12 intra-osseous titanium blade implants have been applied to patients with unilateral or bilateral edentulousness of the terminal region of the mandible or with combined mandibular edentulousness. After taking impressions by means of individually fabricated transmitting copings and medium-flow silicone impression compounds, the temporary plastics bridges and the definite telescope bridge prostheses were made of precious metal alloys, using the "Biokop-Orthomat". Essential prerequisites for optimal functional performance of the implant bridge constructions are: creation of optimal occlusal conditions, tangential blocking of the remaining teeth by splinting one implant abutment with at least two natural teeth, and gingiva-free modelling of the telescope and crown margins at the implant abutment.

Dental Implantation, Endosseous↗
PubMed1990

[A comparative evaluation of the increase in heat during the polymerization reaction of resins for temporary fixed dentures].

Self-curing resins enable the operator to prepare directly temporary prosthesis on single crown abutments. However such a technique may involve the danger of an inflammation of the pulp, due to the exothermic polymerization reaction of self-curing resins. The Authors suggest experimentally assessing the thermic increase during the polymerization reaction of seven different resins. Moreover they want to estimate the influence of the ratio monomer-polymer on the thermic curve of such reactions.

Composite Resins↗
PubMed2000

Retentive and compressive strengths of modified zinc oxide-eugenol cements.

OBJECTIVES: This investigation sought to improve the handling and physical properties of a commonly used temporary zinc oxide-eugenol cement by changing the base/accelerator (B/A) ratio or combining it with a petroleum jelly or fluoride varnish. METHODS: Twelve modifications of a temporary cement were evaluated in terms of retentive strength, compressive strength at 24 h, film thickness and by scanning electron microscopy. RESULTS: Decreasing the B/A mixing ratio increased the retentive and compressive strengths, but reduced the film thickness of the cement. By increasing the percentage of incorporated petroleum jelly or fluoride varnish in the cement, there was a progressive decrease in the retentive and compressive strengths and in film thickness. CONCLUSIONS: Modifications of a zinc oxide-eugenol temporary cement to change the B/A ratio or to incorporate additives resulted in variations in physical properties. All modified forms of the cement had a film thickness less than 25 microns and a compressive strength below 35 MPa. With a wide range of retentive strength, modified forms of zinc oxide-eugenol cement may be found to have diverse clinical applications.

Analysis of Variance↗
PubMed1984

Using irreversible hydrocolloid to evaluate preparations and fabricate temporary immediate provisional restorations.

Two unique techniques that use irreversible hydrocolloid and an Omnivac matrix have been presented. The first technique is used to evaluate the adequacy and uniformity of the tooth preparation. The second technique is used to create a TIPR for the patient while the PIPR is being fabricated. The TIPR-PIPR system can be used to facilitate proper diagnosis, planning, and treatment; and it results in improved patient comfort, dentist efficiency, and increased control over the final restoration.

Colloids↗
PubMed1997

A case of hyperodontia with twenty-two supernumeraries: its surgical-orthodontic treatment.

A 10.1-year-old boy showed no permanent teeth, with the exception of the lower central incisors. An x-ray examination revealed that eruption of the permanent dentition was obstructed by 1 deciduous supernumerary and 22 permanent supernumeraries ectopically. Treatment consisted of the following steps: (1) extracting all deciduous and supernumerary teeth; (2) waiting for the roots of the permanent teeth to develop and fitting two temporary partial prostheses; (3) assisting eruption of the permanent teeth by removing the bone that covers the remaining teeth and applying crowns to stimulate the eruption; and (4) bringing the permanent teeth into occlusion with orthodontic treatment. The problem of limiting treatment time was made more difficult by the amount of repositioning needed to bring the teeth into occlusion and by delayed root formation. Therefore the orthodontist decided to use extreme caution in applying forces; as a result, treatment time was lengthened. Success was due to good teamwork between the surgeon with an orthodontic background and the orthodontist, who was familiar with surgical procedures.

Child↗
PubMedDate not supplied

Provisionals: not just temporaries.

When a provisional is to be worn for an extended period of time, the laboratory-processed provisional may be indicated because of its strength, wear-resistance and resistance to discoloration. A large selection of shades are available, resulting in better esthetics. The incisal blend gives the provisional a translucent effect. Office visits for repairs and maintenance will be minimized. If the patient has confidence after the provisional visit, he or she will have equal confidence in the final restoration. The only difference between the two should be the materials used.

Dental Casting Investment↗
PubMed1997

Essix appliances. Provisional anterior prosthesis for pre and post implant patients.

Missing anterior teeth are being replaced by implant-supported restorations quite frequently in modern dentistry. Providing the patient with a temporary prosthesis prior to or following implant fixture placement must satisfy established esthetic and functional criteria. When orthodontic treatment is included as part of the overall treatment effort, additional considerations include the retention and stabilization of newly established tooth positions. This article describes the fabrication, use and advantages of a provisional anterior prosthesis that replaces missing teeth prior to or following implant placement.

Adolescent↗
PubMedDate not supplied

The compatibility of temporary soft materials with immersion denture cleansers.

This laboratory study evaluated the effect of five denture cleansers on five temporary soft materials that can be used as interim soft linings or as tissue conditioners. The materials were assessed at 3, 7, 14, and 21 days for evidence of changes in surface quality and softness. It was apparent that the correct combination of lining material and cleanser is essential to ensure the optimum function of the lining material. Since the materials used varied in softness, the appropriate choice should be based on the clinical requirement.

Dentifrices↗
PubMed2003

[Composite-bonded bridges reinforced with Ribbond THM ribbon: an alternative of choice to other temporary prosthetic methods].

In the presence of anterior unitary tooth loss, the therapeutical arsenal of the practitioner remains the implant solution. But, at the young patients who have not completed their growth, it's necessary to pass by a transitional stage. The bonded bridges reinforced by a polyethylene fibbers splint such as Ribbond THM constitute an alternative of choice to solve the aesthetic damage in the short and medium term while waiting for the prosthesis with implant. It's a similar case that is reported through this article.

Adolescent↗
PubMed1998

The use of transitional implants for immediate fixed temporary prostheses in cases of implant restorations.

While the original Brånemark implant protocol has continued to evolve, the avoidance of implant loading during osseointegration remains a prerequisite with all implant systems. Immediately loaded transitional implants have recently been developed to support the fabrication of a fixed provisional prosthesis that provides implant patients with improved aesthetics and function during the osseointegration period. In this manner, osseointegration can occur free from prosthetic and transmucosal loads. This article describes the use of transitional implants and presents a classification of three different case types.

Aged↗
PubMed1990

Temporary pontics in aesthetic orthodontics--a new design.

A new and simple technique for aesthetic tooth replacement during orthodontic treatment, with a pontic using orthodontic wire mesh, is described and appears in the author's clinical practise to be superior to the other techniques reported previously. These pontics may be used in maxillary first bicuspid extraction cases, and with adaptation where anterior teeth have to be replaced because of agenesis, extractions, or traumatic loss. This technique thus also provides the clinician with an aesthetic and dependable space maintainer for anterior teeth whilst orthodontic treatment is being completed.

Adult↗
PubMedDate not supplied

An accurate chairside technique for fabricating a temporary restoration for ITI single-tooth implant.

Current implant restoration techniques depend upon a well-fitting, anatomic provisional restoration--especially at the restoration margin--to promote healthy soft tissue contours, which are necessary for successful final restorations. The ITI implant system presents a particular challenge in this regard because of the configuration of the implant head and shoulder, especially when these are placed subgingivally. A chairside method for obtaining an accurate marginal fit and customized contours in the single-tooth provisional restoration is described and illustrated.

Dental Implants, Single-Tooth↗
PubMed2005

Immediate/early function of Brånemark System TiUnite implants in fresh extraction sockets in maxillae and posterior mandibles: an 18-month prospective clinical study.

BACKGROUND: The advantages of placing implants in fresh extraction sockets and putting them in immediate/early function are many. A predicable protocol opens the possibility of performing a single surgical procedure, giving the patient a temporary prosthesis immediately, and minimizing the shrinkage of hard tissue and soft tissue recession. PURPOSE: The aim of the present study was to develop a strict protocol for and to evaluate the feasibility of immediate/ early function on implants placed in fresh extraction sockets located in maxillae and posterior mandibles, including defects around the implants treated according to a regenerative procedure. MATERIALS AND METHODS: Nineteen patients were treated after tooth extraction according to an immediate function protocol and were observed for 18 months. Fifty Mk IV TiUnite (Nobel Biocare AB, Göteborg, Sweden) implants were installed in partially edentulous areas in maxillae (n = 17) and posterior mandibles (n = 5). Implants were installed directly into the alveoli, and the temporary prostheses were connected immediately after surgery (n = 11) or within 7 days, that is, an "early function" procedure (n = 11). Thirteen implants did not require any type of regenerative procedure, whereas the remaining 37 implants had filling with autogenous bone, 4 of which also had a resorbable membrane. Standardized intraoral radiographs were taken for evaluation of marginal bone level, and 38 of the implants were systematically checked by resonance frequency analysis. RESULTS: All patients were followed for 18 months, and none of the 50 implants failed. However, one implant showed signs of failure after 6 weeks, but once the occlusal load was removed, the implant regained its stability completely, no longer demonstrated symptoms, and could be used successfully for prosthetic rehabilitation. The mean value of the implant stability quotient was 60 at baseline (range 45-75) and 63 after 6 months (range 46-75). The marginal bone resorption was 0.9 mm (SD 1.1 mm; n = 48) 18 months after implant insertion (1 year after final prosthesis). CONCLUSION: The immediate placement of implants into fresh extraction sockets combined with immediate/early function procedures seems to be a safe and reliable procedure when using a strict protocol.

Adult↗
PubMed2006

Direct technique for the fabrication of acrylic provisional restorations.

Provisional restorations are fabricated to protect the prepared tooth structure during the period between tooth preparation and insertion of the definitive restoration. These restorations are also referred to in the literature as interim, temporary, or provisional restorations (prostheses). Such restorations should be uncomplicated and inexpensive to fabricate in a short period of time. Several laboratory and clinical techniques for the fabrication of provisional restorations have been described in the literature, such as the indirect technique, direct technique, and indirect-direct techniques for both single and multiple unit restorations. This article describes a step by step clinical technique for the fabrication of a direct provisional restoration to satisfy the issues of esthetics, patient comfort, speech and function, maintenance of periodontal health, and maxillomandibular relationships while wearing the restoration.

Acrylic Resins↗
PubMed1995

[The intraoral bacterial colonization of temporary denture plastics].

Plastic materials used for temporary crowns and bridges in prosthetic dentistry are investigated with regard to the possibility of their microbial colonization. For this purpose four different kinds of materials, i.e. Resincap, Trim, Snap (Polyalcylmethacrylate) and Protemp (Bisphenol-A-Glycidyl-Methacrylate) were chose. With the help of 10 test persons in vivo experiments were carried out. After a period of two weeks it could be verified, that the bacteria have a stronger affinity to Protemp than to Polyalcylmethacrylate. The hypothesis, that the different intensity of colonization is due to the roughness of certain surfaces could be confirmed by additional experiments.

Crowns↗
PubMed1983

Immediate, provisional postextraction pontic placement.

A rapid technique is described for placement of a temporary pontic to provide immediate esthetics after extraction of an anterior tooth. It requires no laboratory facilities, no natural tooth preparation, and uses only a few dental materials. Being functional and practical, it allows the patient time to seek further care from a general practitioner at a time convenient to them both. Additionally, the psychological distress associated with removal of an anterior tooth is minimized, if not eliminated. Because no natural teeth are involved with any dental preparations, further prosthetic treatment is not compromised. Addition of this technique to the surgeon's treatment regimen is cost effective, and it will improve the relationship between patient and surgeon.

Denture Design↗