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PubMed2005

The first vector-graphics-aided computer tooth model and its animation.

Computer graphics is here to stay and spreading. This article intends to be nothing more than a brief introduction of this new tool in the field of dentistry. We hope that our colleagues will welcome this new development and recognize it as an opportunity to make contact with the basic sciences.

Algorithms↗
PubMed2005

Manual correlation.

Explore the source record for details and available documents.

Computer-Aided Design↗
PubMed2005

Fiber-reinforced composite fixed partial denture to restore missing posterior teeth: a case report.

In patients refusing implant surgery for psychological reasons, when minimal tooth reduction is desired, a fiber-reinforced composite inlay fixed partial denture (IFPD) can be used to replace missing teeth. In comparison to other restorative systems this conservative approach carries a lower risk of pulp exposure and/or periodontal inflammation, maintaining the health of supporting tissues. The purpose of this case report is to describe the clinical procedure for fabricating an IFPD with a pre-impregnated glass fiber system and a hybrid composite. Fiber-reinforced composite, in combination with adhesive techniques, appears promising for an IFPD. Further clinical investigation will be required to provide additional information on this technique.

Bicuspid↗
PubMed2005

[Root canal preparation: shaping and cleaning of the root canal].

Primary shaping is of paramount importance for a succesfull root canal treatment. In this article the basis principles of apical terminus location, shape, size and diameter are discussed. The use of NiTi instruments and crown-down preparation techniques are explained.

Dental Instruments↗
PubMed2005

Visualization before finalization: a predictable procedure for porcelain laminate veneers.

The success and acceptance of anterior aesthetic restorations is based on a shared common vision and understanding between the patient and the clinician. If each has a different perception of how the definitive restorations will appear, this may lead to disappointment and refusal of the final restorations by the patient. This article describes the treatment of six maxillary anterior teeth with porcelain veneers using a practical approach that allows the dentist and the patient to agree on the appearance of the final restorations prior to actual fabrication and fitting of the definitive veneers.

Adult↗
PubMed2005

[Treatment of crown fractured incisors: reattachment instead of restoration?].

Crown fractures are the most common form of traumatic dental injuries in the permanent dentition. Reattachment of the coronal fragment to the remaining tooth structure may offer a conservative, esthetic and cost-effective restorative option which has been shown to be an accepted alternative to conventional restoration (resin composite build-up, veneer or crown) of the fractured teeth. Fragment retention is significantly influenced by reattachment techniques and materials. Regarding reattachment techniques, placement of an internal groove seems advisable when the remnant and the fragment fit well, while an overcontouration should be used when the partial loss of hard tissue must be compensated. Materials used for reattachment seem to be less important than technique for a successful treatment, but adhesives and composite resin materials should correspond to each other. However, up to now, self-etching adhesives have shown less fracture strength of the reattachment than multi-bottle adhesives. Since many case reports and several clinical studies reported clinical success, further studies are recommended to analyse the impact of reattachment techniques and materials on the long-term survival of fragment bonding.

Dental Bonding↗
PubMed2005

Clinical long-term results with 617 Cerec veneers: a nine-year report.

There are no long-term clinical studies concerning the treatment outcome of CAD/CAM generated porcelain laminate veneers. The objective of this study was to conduct a longitudinal evaluation of CAD/CAM fabricated porcelain laminate veneers. A single practitioner placed 715 CAD/CAM generated porcelain laminate veneers produced chairside with the Cerec system on 307 patients between December 1989 and December 1997. 260 patients with 617 veneers were available for recall examination. Forty-seven patients with 98 veneers (13.7%) were unable to be located or return for recall examination. Fourteen restorations had been lost. The Kaplan-Meier survival rate was 94% after up to 9 years (95% confidence interval: 90.7 to 97.8%). Of the surviving restorations, 98% were classified as clinically acceptable after 9 years. 97.3% of the teeth examined tested vital, 96.2% of the veneers were asymptomatic since their production, 98.8% of the veneers were considered successful by the patient. CAD/CAM veneers fabricated with the Cerec System achieved comparable long-term clinical results to those reported for laboratory processed porcelain laminate veneers. The high survival rate and favorable clinical results would support the use of CAD/CAM porcelain laminate veneers in clinical situations similar to those for laboratory processed porcelain veneers. CAD/CAM generated porcelain laminate veneers may provide equally good clinical results and longevity as conventional laboratory-processed porcelain laminate veneers.

Acid Etching, Dental↗