Retrospective Clinical Evaluation of Root Canal Treatment With OrthoMTA^TM

Objectives: Mineral trioxide aggregate (MTA) was developed a Loma Linda University in the 1990s as a root-end filling material. OrthoMTA^TM (BioMTA, Seoul, Korea) is a newly developed MTA cement for root canal obturation, that is mainly composed of tricalcium silicate and contains less heavy metal than the original ProRoot MTA . This study was performed to evaluate a results of root canal treatment with OrthoMTA^TM.
Methods: 53 cases in 28 patients were treated with MTA root canal treatment procedures in pediatric department of Wonkwang University Dental hospital between 2010 and 2013. Recall intervals were approximately 3 months, and we followed all the cases for as long as possible. Recall appointments included subjective history assessment, percussion assessment and a radiographic evaluation. We categorized cases as “healed,” “healing” or “persistent disease”. We used the Kaplan-Meier method to assess the probability of tooth survival (that is, whether the tooth required any further treatment) and tooth healing.
Results: 50 teeth in 28 patients were available for this retrospective study. The range of recall term was from 3 to 41 months, with a mean term was 12.02 months. Of the 50 cases, 49 involved healed teeth, and 1 involved a tooth with persistent disease by clinical assessment. Also of the 50 cases, 45 involved healed teeth, and 5 involved a tooth with persistent disease by radiographic assessment. The range of patient's age was from 6 to 14 years, with the mean age of 10.53 years. Of the 50 cases, #21 were 24 cases, #11/21 cases, #22/2 cases, #12/2 cases and #31/1 case.
Conclusions: These results suggest that OrthoMTA^TM may be useful as a root canal treatment procedure. Further research, however, is required to clarify this conclusion.