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At least 55 records · Page 3Linked to original sources
PubMed2000

[Repair of tooth wear; restorative-prosthetic aspects].

Tooth wear is considered to be the third major threat to dental health in the industrialized parts of the world next to caries and periodontal disease. Bruxism can be a cause for excessive tooth wear. Thanks to the successes in the prevention and early treatment of the infectious dental diseases, dentitions last longer as result of which tooth wear is becoming more and more of a problem in the preservation of a physiologic dentition throughout live. Furthermore there seems to be an increasing tendency for the occurrence of severe tooth wear at very early ages. Early recognition of possible contributing factors for tooth wear by the dental team is of utmost importance to enhance success in treating the problem. Prevention of ongoing damage to the remaining tooth structure must be the starting point of every treatment plan. Repair of tooth wear is in many cases a challenge from a restorative/prosthetic perspective: esthetic and phonetic aspects play an important role along with the restorative and prosthetic choices as well as functional considerations the clinician has to deal with.

Bruxism↗
PubMed2000

Hard and soft tissue management for the restoration of traumatized anterior teeth.

The restoration of coronally fractured anterior teeth without surgical invasion is contingent upon several factors. Specifically, the biologic width of the tooth should not be violated by the apical extent of the fracture, and the residual root structure must possess an adequate ferrule. In patients with these conditions, it is possible to prosthetically restore the tooth following orthodontic extrusion. This article describes a technique in which orthodontic extrusion is utilized to provide adequate tooth structure for the prosthetic restoration of patients who presented with fractured anterior teeth.

Adolescent↗
PubMedDate not supplied

Aesthetic posts and cores for metal-free restoration of endodontically treated teeth.

Utilization of contemporary post and core systems has facilitated the aesthetic restoration of endodontically treated teeth. Light transmission and biocompatibility have been enhanced by the introduction of metal-free post systems. The periodontal and endodontic status, root length, and histological structure of the devitalized teeth must be considered in order to achieve successful restoration following endodontic treatment. This article presents various restorative criteria for the aesthetic placement and buildup of post and core materials, as well as the preservation of maximum coronal and root structure.

Biocompatible Materials↗
PubMed2001

Root reshaping: an integral component of periodontal surgery.

It is the aim of this article to present a surgical option to the traditional method of returning lost biologic width where invasion of the junctional and/or connective tissue attachment associated with a tooth has occurred. The alternative to conventional osseous resection involves reshaping the existing tooth surface in combination with conservative removal of the supporting alveolar bone to create the width needed for the restoration to be biologically acceptable. This procedure accomplishes several goals: (1) minimum supporting bone is removed; (2) deleterious root surface anatomy, such as grooves, concavities, and cementoenamel projections, is diminished; (3) a smooth root surface that is more biologically acceptable to soft tissue is created; (4) Class I and II furcation lesions may be decreased or eliminated; and (5) improved gingival contours and space for restorative materials can be created in situations in which close root proximity is present. This article will present a step-by-step approach to using root reshaping as an alternative to traditional crown lengthening.

Alveolectomy↗
PubMed1999

Preformed posterior stainless steel crowns: an update.

For almost 50 years, dentists have used stainless steel crowns for primary and permanent posterior teeth. No other type of restoration offers the convenience, low cost, durability, and reliability of such crowns when interim full-coronal coverage is required. Preformed stainless steel crowns have improved over the years. Better luting cements have been developed and different methods of crown manipulation have evolved. This article reviews stainless steel crown procedures for primary and permanent posterior teeth. Step-by-step placement of a primary molar stainless steel crown is documented and permanent molar stainless steel crown restoration is described. A method for repairing a worn-through crown also is reviewed.

Bicuspid↗
PubMedDate not supplied

Bonded resin composite strip crowns for primary incisors: clinical tips for a successful outcome.

The bonded resin composite strip crown is perhaps the most esthetic of all the restorations available to the clinician for the treatment of severely decayed primary incisors. However, strip crowns are also the most technique-sensitive and may be difficult to place. The purpose of this step-by-step technique article is to present some simple clinical tips to assist the clinician in achieving an esthetic and superior outcome.

Color↗
PubMed2002

Accidents happen.

Explore the source record for details and available documents.

Cementation↗
PubMedDate not supplied

Preformed metal crowns for primary and permanent molar teeth: review of the literature.

The aim of this study was to carry out a review of the use and efficiency of preformed metal crowns (PMCs) for primary and permanent molar teeth. A literature search of English language journals was carried out using MEDLINE. Papers that addressed areas related to the use of PMCs regarding indications for use, placement techniques, risks, longevity, cost effectiveness and utilization were included in the review. Eighty-three papers were traced which fulfilled the above criteria, the majority addressing PMCs in primary molar teeth. Over half the papers were concerned with placement techniques and indications for use, with fewer papers reporting on clinical studies. The clinical data on PMCs spanned a considerable number of years and involved heterogeneous populations of patients, different makes and designs of crown, and differences among the operators and evaluators who were involved in the studies. The results, however, were in agreement that PMCs are superior to amalgam restorations for multisurface cavities in primary molar teeth.

Cementation↗
PubMedDate not supplied

An overview of esthetics with removable partial dentures.

A removable partial denture should restore function, phonetics, and esthetics. To assist the clinician in providing a restoration that is as esthetic as possible, despite the limitations of the conventional removable partial denture, this review collates the recommendations scattered among the literature. The review describes the steps involved in providing an esthetic restoration, including diagnosis and treatment planning; surveying; mouth preparation; framework and clasp alloys; clasps; rests; major connectors; minor connectors; prosthetic teeth; and denture base resin and flanges. The esthetic challenges of the Kennedy Class IV removable partial denture are also discussed.

Acrylic Resins↗
PubMedDate not supplied

Retention of veneered stainless steel crowns on replicated typodont primary incisors: an in vitro study.

PURPOSE: The purpose of this in vitro study was to determine the effect of crimping and cementation on retention of veneered stainless steel crowns. METHODS: One hundred twenty crowns, 90 from 3 commercially available brands of veneered stainless steel crowns (Dura Crown, Kinder Krown, and NuSmile Primary Crown) and 30 (plain) Unitek stainless steel crowns were assessed for retention. An orthodontic wire was soldered perpendicular to the incisal edge of the crowns; the crowns were fitted to acrylic replicas of ideal crown preparations and were divided equally into 3 test groups: group 1--crowns were crimped only (no cement used); group 2--crowns were cemented only; and group 3--crowns were crimped and cemented to the acrylic replicas. An Instron machine recorded the amount of force necessary to dislodge the crowns and the results were statistically analyzed using 2-way ANOVA and Tukey honestly significant difference (HSD) test. RESULTS: Group 3 was statistically more retentive than groups 1 and 2. Group 2 was statistically more retentive than group 1 (P < .001). In group 1, Unitek crowns were statistically more retentive than the veneered crowns (P < .05). In group 2, NuSmile crowns showed statistically less retention values than all other crowns (P < .05). In group 3,Kinder Krown crowns showed statistically better retention rates than all other brands (P < .05). CONCLUSIONS: Significantly higher retention values were obtained for all brands tested when crimping and cement were combined. The crowns with veneer facings were significantly more retentive than the nonveneered ones when cement and crimping were combined.

Analysis of Variance↗
PubMed2003

Effect of reinforcement methods on the retention of resin-bonded fixed partial dentures using a composite denture tooth as a pontic: in vitro evaluation.

PURPOSE: The incorporation of composite denture teeth as pontics in resin-bonded fixed partial dentures has been deemed to be short-lived. This study investigated whether pre- or posttreatments could improve the bonding of denture tooth pontics. MATERIALS AND METHODS: A model fixed partial denture was fabricated that included composite denture teeth (Endura) bonded with 1 of 2 resin systems (C&B-Metabond or Aeliteflo). The bonding surface of the pontic was pretreated with one of three methods (air-particle abrasion [AA], AA plus silanization, or cavity preparation plus AA). The bonding areas between pontic and abutments were posttreated with 1 of 2 methods (reinforcement with fiber or metal post). Five bonded specimens for each treatment group were subjected to 20,000 thermocycles (40 degrees C to 60 degrees C; dwell time 60 s) before retentive forces (N) were determined. All data were analyzed with two-way ANOVA and Bonferroni's test (p = 0.05). RESULTS: All specimens that underwent the pre- and posttreatment outperformed untreated specimens. For the specimens bonded with C&B-Metabond and posttreated with a polyethylene fiber (Ribbond) or a metal post (DC Post), the mean retentive forces were 316 N and 301 N for mandibular specimens, and 354 N and 380 N for maxillary specimens, respectively. These values were significantly higher than those obtained with other pretreatment methods (p < or = 0.0003). For mandibular specimens bonded with Aeliteflo, specimens posttreated with Ribbond exhibited significantly higher retentive forces (332 N) compared to other specimens (p < or = 0.0001). CONCLUSION: Within the limitations of this study, the bond strength of a resin-bonded fixed partial denture incorporating a composite denture tooth as the pontic was improved by reinforcement with either a polyethylene fiber or a metal post.

Analysis of Variance↗
PubMed2003

[Clinical value of cast post-core porcelain fused to metal crown in restorating residual root and crown of molars].

OBJECTIVE: To investigate the effect of cast post-core porcelain fused to metal crown on the restoration of residual root and crown of molars. METHODS: One hundred and sixty-four residual roots and crowns of molars were treated with root canal therapy and restored by cast core porcelain fused to metal crown. The restoration effect was assessed at the 3rd, 6th, 12th and 24th month. RESULTS: The strength of dental prosthesis retention, marginal fitness, and strength of crowns were satisfactory. The effective rate reached 95.12% during the 2 year follow-up. CONCLUSION: The cast post-core porcelain fused to metal crown is a better method in treating the residual root and crown of molars.

Adult↗