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Fracture strength of screw‐retained zirconia crowns assembled on zirconia and titanium implants
Journal of Prosthodontics, 2023AbstractPurposeThis in vitro study evaluated the fracture strength of screw‐retained zirconia crowns connected to zirconia (Zr) and titanium (Ti) implants after undergoing a simulation of 5 years of clinical use.Materials and methodsForty‐eight screw‐retained zirconia crowns were fabricated and assembled on four implant systems, with 12 in each group: (
Ramtin Sadid‐Zadeh +3 more
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Retention behavior of double-crown attachments with zirconia primary and secondary crowns
Dental Materials, 2016To investigate whether adequate retention of zirconia conical crown (CC) attachments can be achieved, and to investigate their long-term retention.Sixteen individual zirconia primary crowns were produced with convergence angles of 1° or 2° (eight of each).
Franz Sebastian, Schwindling +4 more
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Retentive force of PEEK secondary crowns on zirconia primary crowns over time
Clinical Oral Investigations, 2018The purpose of the present study was to evaluate the retentive forces of CAD/CAM-fabricated polyetheretherketone (PEEK) secondary crowns on zirconia primary crowns over an artificial aging period representing 10 years of clinical service and compare them to electroformed secondary crowns made from pure gold.Implant-supported zirconia primary crowns (N =
Oliver Schubert +4 more
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Pediatric Zirconia Crowns: A literature review
2023Early childhood caries remains a problem that needs to be addressed by pediatric dentists and is a frequently encountered clinical situation. Zirconium-supported restorations, a material frequently used in adult dentistry practices, have also been used in pediatric dentistry practice in recent years.
Okumuş, İrem +3 more
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Adhesive Cementation Promotes Higher Fatigue Resistance to Zirconia Crowns
Operative Dentistry, 2017SUMMARY Objective: The aim of this study was to investigate the influence of the cementation strategy on the fatigue resistance of zirconia crowns. The null hypothesis was that the cementation strategy would not affect the fatigue resistance of the crowns.
Campos, F. +6 more
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Antagonist wear by polished zirconia crowns.
International journal of computerized dentistry, 2017The aim of this in vivo study was to measure antagonist wear caused by polished monolithic posterior zirconia crowns over a 24-month period using the intraoral digital impression (IDI) technique.Thirteen zirconia crowns were placed in nine patients. The crowns and adjacent teeth were captured using an intraoral scanner (Lava C.O.S.).
Oliver, Hartkamp +2 more
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Guided tooth preparation for a pediatric zirconia crown
The Journal of the American Dental Association, 2018Unesthetic primary incisors can produce negative self-perceptions in preschool-aged children. In recent years, because of increased esthetic demands, prefabricated zirconia crowns have become increasingly popular. However, zirconia crowns cannot be crimped, and the clinician must prepare the teeth to fit the zirconia crowns.
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Lava zirconia crowns and bridges.
International journal of computerized dentistry, 2004Ceramic restorations--suitable for the anterior as well as the posterior region, simultaneously satisfying the demand for high strength, longevity, and esthetics--are an increasingly important field for the dental professional. Because of its outstanding mechanical properties and esthetics with a proven track record in other industrial areas, zirconium
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Microleakage of Cements in Prefabricated Zirconia Crowns.
Pediatric dentistry, 2018The purpose of this study was to investigate and compare microleakage of prefabricated posterior NuSmile® ZR and EZCrowns when cemented with BioCem and Ketac Cem dental cements.Forty extracted permanent teeth (n equals 10 per group) were fitted for either NuSmile or EZCrowns prefabricated posterior zirconia crowns and cemented with BioCem or Ketac Cem,
Paula, Stepp +4 more
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