EVALUATION DETAILS

Doxa Ceramir Dental Crown Cement

Doxa Ceramir Dental Crown Cement Evaluation

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Ceramir Crown & Bridge Luting Cement

Doxa Dental

Doxa's Ceramir Crown & Bridge ushers in a new class of luting cements with nanostructurally integrating bioceramics.

Manufactured by Doxa Dental and distributed exclusively by Henry Schein, Ceramir Crown & Bridge is the first product to use nanostructurally integrating bioceramics, a new technology that creates a resilient, more natural, biocompatible luting cement.

Ceramir technology holds more than 100 patents and is the result of more than 25 years of research. The bioceramic, acid-base reaction cement integrates with natural tooth structure and is stable in the mouth, exhibiting tooth-like physical and mechanical properties. This enables sealing of the restoration-tooth interface with a biocompatible material that offers outstanding strength and stability along with resin cement-like retention, but with no shrinkage or postoperative sensitivity.

Handling

Cited as a favorite feature by 7 of the 14 dentists who participated in this Dental Product Shopper evaluation, Ceramir's handling was rated as excellent by 4 evaluators, as very good by 9, and as good by 1. Six of the 13 dentists who rated the product's curing time rated it as excellent and 7 rated it as very good.

Comments ranged from "runny" to "great viscosity," "nice film thickness," and "really easy crown placement;the material flowed very well." An evaluator from New Vorhees, NJ, who rated handling as excellent said, "It handled well and the working and setting times were as stated by the manufacturer." She went on to say, "The longer, 2-minute working time is a nice feature."

Ease of Use

Ceramir Crown & Bridge requires no etching, priming, or bonding. According to the manufacturer, it is formulated for easy removal of excess material.

An evaluator from Cordova, TN with 9 years of experience called Ceramir "very easy to use and very manageable, no complaints." Another dentist especially liked not having to etch teeth at the time of crown cementation. One of 7 dentists who commented on ease of clean up called it "simple and above average" and another said it was "easy to clean in the gel stage before and after setting." A dentist from Los Angeles, CA, said, "Cleaning after placement is so easy." He went on to say, "You don't have to worry about cleaning before it sets fully in the interproximal areas."

The delivery system was rated as excellent by 3 evaluators, as very good by 6, as good by 1, and as fair to poor by 4. Five evaluators described the delivery system as "cumbersome" or "having too many steps." They suggested a more simplified approach.

Results: Initial Bond Strength and Postoperative Sensitivity

Doxa describes Ceramir Crown & Bridge as having exceptional retentive strength and moisture-tolerance. Because of its setting mechanism, the material quickly achieves and maintains a basic pH, contributing to its biocompatibility and bioactivity,1,2 with no reported postoperative sensitivity.2

Initial enamel/dentin bond strength was rated as excellent by 6 evaluators, as very good by 7, and as good by 1. One dentist remarked that "only time will tell, but it works great on my initial testing and I had no immediate failures."

Postoperative sensitivity was rated as excellent by 12 dentists and as very good by 2, with reports such as "virtually no postoperative sensitivity."

Overall Satisfaction

Eight evaluators rated overall satisfaction with Ceramir Crown & Bridge as excellent, 4 rated it as very good, and 2 rated it as good. Thirteen evaluators said they would recommend Ceramir to their colleagues and 10 would purchase it in the future. A dentist with 8 years of experience called Ceramir "a great product that I've recommended to all my colleagues."

"Changing products can be difficult," said a Michigan dentist who gave Ceramir an overall satisfaction rating of excellent. "It's appropriate to make the profession aware of Ceramir's unique qualities." A New Jersey dentist with 25 years of experience said, "Ceramir's greatest attribute is its biocompatibility and apatite formation. This makes it a truly unique cutting-edge material when compared to other cements."

References

1. Loof J, Svahn F, Jarmar T, et al. A comparative study of the bioactivity of three materials for dental materials. Dent Mater. 2007;24:653-659.

2. Jefferies SR, Pameijer CH, Appleby D, et al. One year clinical performance and post-operative sensitivity of a bioactive dental luting cement: A prospective clinical study. Swed Dent J.

Evaluation Snapshot

Doxa Ceramir Dental Crown Cement
Doxa Dental Inc.
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