Ultradent UltraCal™ XS Calcium Hydroxide Paste
Optimize your endodontic disinfection protocol with UltraCal XS Calcium Hydroxide Paste, globally recognized as a leading temporary endodontic calcium hydroxide paste by Ultradent. Engineered for challenging root canal treatments, UltraCal XS is specifically designed to eliminate stubborn bacterial colonies within the root canal system between visits, facilitating predictable periapical tissue repair and apexification.
Premium Features & Benefits:
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Potent Antimicrobial Action ($12.5\text{ pH}$): Its high alkaline pH level creates an environment that is highly lethal to bacteria, ensuring complete disinfection of complex root canal anatomy before final obturation.
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Unmatched Radiopacity: Unlike standard calcium hydroxide mixes, UltraCal XS offers superior radiopacity, allowing for crystal-clear visual verification of full-length canal adaptation on dental radiographs.
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Aqueous, Non-Setting Formulation: The paste remains paste-like and does not set or harden inside the canal. This ensures it can be rinsed out effortlessly using an basic irrigating solution or citric acid (like Ultradent Citric Acid $20\%$) when the patient returns.
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Precise Syringe Delivery System: When paired with specialized navigation tips (such as the NaviTip™), the paste flows smoothly under controlled manual pressure directly to the apex, reducing the risk of overfills or voids.
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Prevents Cross-Contamination: The direct syringe delivery configuration eliminates manual mixing, maximizing clinical hygiene standards and ensuring a completely uniform mix every time.
Technical Specifications:
| Feature | Details |
| Brand | Ultradent Products, Inc. |
| Product Name | UltraCal™ XS |
| Material Type | Aqueous Calcium Hydroxide Paste |
| pH Level | $12.5$ (High Alkaline) |
| Delivery Mechanism | Syringe System (Compatible with NaviTips) |
| Indication | Temporary Root Canal Dressing / Apexification Treatment |





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