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Anthony Ponzio, DDS, of Oak Park, IL just lately noticed a 59-year-old feminine affected person who offered with a prime criticism that she broke a enamel at the maxillary proper aspect when she bit into an olive pit. Dr. Ponzio and his crew reviewed her clinical historical past, and it used to be unremarkable. Scientific analysis published that the affected person had fractured the mesial lingual cusp off of a complete policy recovery on enamel No. 3.
She offered and not using a discomfort rather than the pointy fringe of the fractured crown, and the enamel had a historical past of root canal treatment that gave the impression to be clinically appropriate. Periodontal probing published no issues. After reviewing remedy choices with the affected person, she consented to alternative of the prevailing fractured recovery with a brand new, full-coverage crown.
KATANA™ Zirconia ONE SPEED
KATANA™ Zirconia ONE SPEED Crown is a fast-processing, multi-layered CAD/CAM block designed for chairside single-visit dentistry. The use of proprietary zirconia powder, it achieves an ultra-fast 9-minute sintering time when paired with the CEREC SpeedFire furnace, whilst keeping up top power and herbal, gradated esthetics.
TREATMENT PLAN
Dr. Ponzio administered 1/2 carpule of three% mepivacaine and proceeded to segment the prevailing recovery because it gave the impression to be a bonded recovery on a root canal-treated enamel. It used to be got rid of in more than one small items relatively than sectioning it. Because of the danger of fracture, the items are got rid of on this way as an alternative of the usage of a crown spreader.
After elimination of the recovery, Dr. Ponzio and his crew delicate the enamel preparation to make sure suitable aid, easy contours, and transparent margins previous to gingival retraction. They then rinsed the enamel and proceeded to take virtual impressions.
Dr. Ponzio and his crew elected to make use of KATANATM Zirconia ONE SPEED for this recovery on account of its esthetics and potency. Coloration A2 used to be decided on. The recovery used to be designed in CEREC©.
tool after which despatched to the Primemill. The milling time for the recovery used to be 4 mins and 10 seconds. After milling, they got rid of the sprue and pre-polished the recovery ahead of placing it within the CEREC©. SpeedFire furnace. Because of the brand new pace cycle, the recovery used to be out of the
furnace in lower than 10 mins. Dr. Ponzio then carried out a hygiene examination, and by the point he used to be again, the recovery used to be already cooling down. After taking a few mins to chill, the crew did a last polish and sandblasted the intaglio to arrange the recovery for cementation.
Dr. Ponzio attempted within the crown, making sure that the occlusion, contacts, and margins had been appropriate, after which wiped clean the recovery the usage of KATANA™ Cleaner. Dr. Ponzio and his crew delivered the recovery the usage of CLEARFIL™ Common Bond Fast 2 and PANAVIA™ SA Cement Common on account of their top bond strengths, blended with really easy cleanup. They tack cured after which got rid of the surplus, permitting the cement to treatment for five mins. They checked the contacts and occlusion, took a last radiograph, and the affected person used to be on her means.
Determine 1. Enamel No. 3 up to now had an current full-coverage recovery with RCT.
Determine 2. Fractured mesiolingual cusp.
Determine 3. KATANA™ Zirconia ONE SPEED used to be designed in CEREC© tool.
Determine 4. KATANA™ Zirconia ONE SPEED intaglio advert margins are proven. It used to be in milled in CEREC© Primemill
Determine 5. KATANA™ Zirconia ONE SPEED used to be pre-sinter polished and post-sinter polished.
Determine 6. KATANA™ ZIrconia ONE SPEED proportion A2 is proven. It used to be seated with CLEARFIL Common Bond Fast 2 and PANAVIA SA Cement Common. Those two merchandise can be utilized in combination to create a more potent bond, particularly in circumstances with brief preps, as a result of there’s a particular touch-cure chemistry between them.
PATIENT RESULTS
The affected person used to be amazed at how fast and simple the method used to be. Additionally, Dr. Ponzio’s assistant and he proceed to be inspired on the brief furnace time with out compromising esthetics or fi t. This has in reality modified the sport for single-visit dentistry. After it used to be dropped proper into position, the colour used to be true to what they was hoping for.
Anthony Ponzio, DDS
Dr. Anthony Ponzio is a 2004 graduate of the College of Illinois Faculty of Dentistry. He recently practices in Oak Park, IL with a different center of attention on era in dentistry. He’s additionally the Scientific Director of P1 Dental Companions, a DPO with workplaces during the midwest. Dr. Ponzio has been a CEREC© Fundamental and Complex Teacher for greater than a decade and is a key opinion chief and product evaluator for more than one corporations. He serves as CDOCS Visiting College at Spear Training and spent seven years at the Scientific College at Midwestern College’s Faculty of Dental Drugs, the place he helped combine CEREC© CAD/CAM era into the curriculum. Dr. Ponzio has educated dentists and their crew individuals from in all places the sector, training them on successfully combine era into their workplaces, and leading to a massively stepped forward affected person enjoy and a extra productive dental observe.
