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At least 73 records · Page 4Linked to original sources
PubMed2003

Diagnostic and technical approach to esthetic rehabilitations.

The success of an esthetic rehabilitation depends on the understanding of the patient's needs and on effective communication among the entire dental team. The involvement of the dental technician since the beginning of the treatment plan is one of the keys for success. This article describes a systematic approach to oral rehabilitations involving esthetic areas. Technical suggestions for the construction of the diagnostic wax-up, the provisional, and the final ceramic restorations are illustrated in a logical sequence.

Crowns↗
PubMed2003

The fastest and best provisional restorations.

Many options are available for PRs for teeth prepared for crowns, veneers, inlays, onlays or fixed prosthetic abutments. Dentists and dental assistants (where allowed by law) should know the physical properties of the various types of materials and should be able to select and place the appropriate type of PR based on the needs of specific clinical situations.

Acrylic Resins↗
PubMed1999

Diagnostic provisional restorations in restorative dentistry: the blueprint for success.

There is no question that patients today demand a sophisticated level of restorative dentistry, in terms of both esthetics and function. No elective restorative dentistry should be undertaken without a clear understanding of the patient's expectations and the limitations of restorative therapy. The dentist should have a clear picture in mind of the final results before initiating irreversible therapy. The use of mounted diagnostic casts, diagnostic wax-ups and provisional restorations permits patient acceptance to be obtained before the definitive phase is initiated. Too often the dentist does not take advantage of this important restorative option, with disastrous results when definitive restorations are viewed by the patient for the first time. By following the plan of treatment outlined in this article, such disasters can be avoided.

Dental Prosthesis Design↗
PubMed1999

Effect of surface conditioning on the shear bond strength of compomers to human primary and permanent enamel.

PURPOSE: To compare the bond strength of two polyacid-modified composite resins (Compomer) to primary and permanent enamel with and without acid-etching and to test for a possible relationship between the determined shear strength values and area of cohesive failure within the materials on the bonding interface. MATERIALS AND METHODS: Two compomer materials (Dyract and Compoglass) with their respective one-bottle primer/adhesive agents (Prime & Bond 2.0 and Syntac Single Component) were investigated. The parameters tested were shear strength and area of cohesive type of failure after debonding of specimens with respect to the total area of the bonding interface. RESULTS: Mean bond strength to primary enamel ranged from 4.09 MPa (Compoglass) to 5.6 MPa (Dyract), while in permanent enamel the mean values were between 12.3 MPa (Compoglass) and 14.3 MPa (Dyract), when pretreatment was made with bonding agents only. Generally, acid-etching prior to pretreatment improved adhesion significantly (6.0 MPa and 8.1 MPa in primary enamel and 16.0 MPa and 19.4 MPa in permanent enamel for Compoglass and Dyract, respectively). Over one-half of the variation in the values for cohesive failure area was explained by its linear relationship with shear bond strength.

Acid Etching, Dental↗
PubMedDate not supplied

To place provisionals or not--that is the question.

Porcelain labial veneers are quite possibly the most esthetic restorations that can be provided today. Their esthetic qualities are derived not only from the accurate replication of tooth structure, but also from the superior tissue response they elicit. Many of the procedures surrounding this restoration have become almost standardized in terms of preparation and the manner in which the restoration is made to become part of the tooth. But why experts who lecture about this procedure remain at odds about whether provisional restorations are necessary is baffling. As more tooth preparation became increasingly necessary to achieve the ultimate in esthetics and health, use of the provisional restoration was not incorporated, simply as a matter of established routine.

Dental Porcelain↗
PubMed2000

Clinical considerations for reattachment of tooth fragments.

Trauma to anterior teeth is relatively common among children and teenagers; it has been estimated that approximately one quarter of the population under the age of 18 years sustain traumatic injury in the form of anterior crown fracture. Reattachment of a fractured fragment to the remaining tooth can provide esthetically pleasing results provided that the fragment is available. In this report, a systematic clinical approach through evaluation of periodontal, endodontic, coronal, and occlusal aspects is presented to help dentists analyze the factors affecting selection of techniques and materials. In addition, use of adhesive materials for tooth fragment reattachment is illustrated. Modifications of the reattachment process, including placement of veneer and radicular post, are also discussed.

Acid Etching, Dental↗
PubMed2001

Diagnosis and treatment planning for ceramic restorations.

Esthetic dentistry's intention is to deliver all phases of dentistry in a natural and attractive manner. Whether restorative and laboratory procedures or periodontal, orthodontic, or surgical procedures, ultimately the end results need to be natural in appearance and esthetically pleasing to the patient and dentist. The intention of this case study was to emphasize the relationship between the patient, dentist, and laboratory technician. The ability of all three to work efficiently demands incredible communication skills. A mutual respect in knowledge, desires, and skills creates the foundation to initiate this relationship. Communication skills and respect need to follow time-tested principles of restorative and prosthetic dentistry to be successful.

Ceramics↗
PubMed2000

Patterns of attendance and treatment at an emergency dental clinic: a three year follow-up.

OBJECTIVES: Patterns of attendance at the Dublin Dental Hospital's Accident and Emergency Clinic in 1996 were compared with figures from 1993 to look for changes, especially in the light of changing provision of public funding for dental treatment for medical card holders and dependants. METHODS: An audit of patient clinical records for one month in 1996 was compared to previously published data relating to 1993. RESULTS: While patient numbers were similar in the two time periods (718 in 1993 versus 708 in 1996), the proportion of attendances by medical card holders or their dependants dropped from 48 per cent to 36 per cent. The proportion of non urgent treatments had also dropped over the three years. CONCLUSIONS: Changes in the provision of publicly funded dental treatment for medical card holders and dependants has reduced the proportion of such patients attending the clinic. However, their places have been taken by other patients.

Adolescent↗
PubMedDate not supplied

Influence of different transitional restorations on the fracture resistance of premolar teeth.

Controversy exists over the most favorable material and type of restoration to be used to transitionally restore teeth destined to be crowned. This in vitro study uses fracture resistance testing to compare eight different transitional restorations in maxillary premolars. Ninety sound maxillary premolars were randomly selected and allocated to nine groups, each comprising 10 teeth. One group remained unrestored and was used as the control. Teeth in the remaining groups were prepared to a standard cavity form using: a copy milling process removing the palatal cusp. Restorations were placed using amalgam with dentin pins and cavity varnish; amalgam with an amalgam bonding agent; resin composite with dentin pins and a dentin bonding agent; resin composite with a dentin bonding agent only; resin-modified glass ionomer with dentin pins; resin-modified glass ionomer cement alone and cermet with dentin pins and cermet alone. Each restored tooth was then subjected to axial loading via a bar contacting the buccal and restored palatal cusps until failure of the restored tooth occurred. The mean load-to-fracture values were statistically compared and the modes of failure recorded. It was found that the choice of restorative material and type of restoration had little effect on the fracture resistance of the restored tooth with the exception of those teeth restored with reinforced glass ionomer cement alone, which exhibited a significantly lower resistance to fracture than the other restored teeth. However, the choice of restorative material/technique did influence the mode of failure. Failure in teeth restored with resin-modified glass ionomer cement alone produced the least damage to the remaining tooth tissue when failure occurred. Consequently, this material may offer the most favorable range of properties for the transitional restoration of extensively broken-down maxillary premolar teeth destined to be crowned. Furthermore, the findings of this study fail to support the use of dentin pins in the placement of bonded build-up restorations.

Analysis of Variance↗
PubMed2001

Aesthetic tooth alignment using etched porcelain restorations.

In restorative dentistry, aesthetics often depends upon the creation of symmetry at the patient's midline. This concept can be taken further in that an aesthetic smile has symmetry and harmony between horizontal and vertical planes. This article demonstrates a prosthodontic alternative to orthodontic therapy for patients who require an immediate change to their smile rather than submitting to the latter's extended treatment period. While orthodontic treatment remains the standard for the majority of these cases, other modalities are required for patients who refuse it.

Adult↗