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WHY I USE...TheraCal LC

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By: Dental Product Shopper
4/6/2026

Resin-modified calcium silicate helps protect the pulp of those who need it most

 

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REEM MAHJOUB, DMD

Dr. Mahjoub earned her degree in dental medicine from the University of Pittsburgh School of Dental Medicine in 2016. She completed a general practice residency at Northwestern Memorial Hospital in Chicago, where she developed a strong passion for oral surgery and endodontics. She is the founder of True Dental in Wisconsin, a multilocation dental facility that serves the Milwaukee community. Dr. Mahjoub stays on the cutting edge of dentistry by constantly trying new dental materials and incorporating only the best for her patients.

 

For Dr. Reem Mahjoub, delivering the same care she’d expect as a patient herself is non-negotiable. In her Wisconsin clinic, which sees a largely underserved population, she frequently treats pediatric patients with severe decay—cases where complex restorations aren’t always feasible. Here, Dr. Mahjoub explains how she frequently reaches for BISCO’s TheraCal LC, a light-curing protective liner and pulp-capping agent, to help bridge the gap between a cavity and a root canal.

 

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Many of the families I see at my clinic don’t have the budget for extensive dental treatment such as crowns. In fact, even the possibility of financing a future root canal is well out of reach for many of them. We also tend to see a particularly high volume of patients who have extensive tooth decay, and it seems to be especially prevalent with my patients who are young children.

 

It’s for these reasons that I routinely rely on TheraCal LC. Using this material has helped me restore some of the deepest lesions in many of my patients. And after treating them with TheraCal LC, I am confident they will not be in pain when they leave my clinic.

 

An Ideal Direct Pulp Cap

 

There are so many materials available to us as clinicians, but the reason I turn to TheraCal LC is because I love its ability to be used as a direct pulp capping agent.

 

Why? Because that puts more distance between the time a cavity is filled and a future root canal, which is so important, especially for my younger patients and families who have limited budgets for dental care.

 

The alkaline nature of TheraCal LC promotes pulp vitality,1,2 which is particularly helpful when I place it over affected dentin in deep lesions.

 

‘Buys Us Time' Before Root Canals

 

We receive referrals for root canals from all over the state for patients who are sometimes younger than 10 years old. If the tooth is still vital, I will remove the decay just short of reaching the pulp chamber and line the base with TheraCal LC before restoring.

 

I have found this to be very helpful for these patients because it buys us time before having to think about a root canal. And when that time arrives, the apices will have closed, which makes root canal treatment more predictable.

 

A perfect illustration of this concerns an 8-year-old patient who was sent to my clinic for a possible root canal treatment of tooth No. 19. I found the tooth to be vital and, while not painful, the decay was extensive and approaching the pulp chamber. I layered TheraCal LC and then restored with a glass ionomer. Since then, the patient has been symptom-free and the tooth has remained vital.

 

TheraCal LC is easy to handle, and it light-cures and bonds well. As far as long-term treatment results, I have found fewer cases of pulpitis in deeper restorations when TheraCal LC was applied than when it was not.

 

References

1. Okabe T, Sakamoto M, Takeuchi H, Matsushima K. Effects of pH on mineralization ability of human dental pulp cells. J Endod. 2006;32(3):198–201.

2. ADA definitions for direct and indirect pulp capping at http://www.ada.org/en/publications/cdt/glossary-of-dental-clinical-and-administrative-ter

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