42 - Average Life Expectancy of Lesion Sterilization Tissue Repaired Primary Molars

Abstract:

Purpose: The aim of this study is to determine if the survival rate of Lesion Sterilization Tissue Repair (LSTR)-treated posterior primary molars is longer than the recommended time, 1 year, by the American Academy of Pediatric Dentistry (AAPD).

Methods: This is a retrospective study that requires us to review Denver Health patient charts who have had LSTR treatment on primary first and second molars from 2022 to the present. We will be using survival analysis using the Kaplan-Meier Curve to evaluate the survival probability over time and calculate the mean survival time. Inclusion criteria includes children who are patients at Denver Health, who have had LSTR treatment on any of their primary molars from May 2022 to current and must have pre-op and follow-up radiographs as well as clinical exams to determine radiographic and clinical success of LSTR-treated teeth.

Results: Final data collection and results are pending. We anticipate having generalized success of at least 1.5 years for teeth treated with LSTR.

Conclusions: Final data collection and results are pending. The study is expected to shed light on current AAPD recommendations. Currently, the AAPD recommends performing LSTR on primary molars if the life expectancy of the tooth is up to 12 months. With my research, I am hoping to find that primary molars treated with LSTR have a longer life expectancy than 12 months.

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