Liutikov O. I.

EVALUATION OF THE EFFECTIVENESS OF PRIMARY INCISORS RESTORATION WITH ZIRCONIA CROWNS: A 2-YEAR FOLLOW-UP

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About the author:

Liutikov O. I.

Heading:

DENTISTRY

Type of article:

Scientific article

Annotation:

The article is dedicated to studying the clinical effectiveness of primary incisors restoration after endodontic treatment using zirconia crowns over a two-year period. The study included 210 maxillary primary incisors in 59 children aged 1 year 6 months to 3 years. The condition of the restorations was assessed at 6, 12, 18, and 24 months using a modified Gingival Index (GI) and plaque ammount according to the Plaque Index (PI). The gingival condition and plaque accumulation were compared with intact mandibular incisors. The condition of the crowns was evaluated according to modified USPHS criteria. Statistical analysis included descriptive statistics methods, while differences in periodontal condition and plaque accumulation between groups were compared using an independent t-test. The Kaplan-Meier survival analysis (log-rank test) was used to compare the survival rates of central and lateral incisors. The study results revealed a statistically significant difference in PI and GI indices when comparing groups of incisors with zirconia crowns and intact antagonist teeth (p<0.05) in most observation periods. The Kaplan–Meier survival analysis demonstrated an overall survival rate of 91.9% at 24 months (central incisors – 94.7%, lateral incisors – 89.6%). No statistically significant difference was found between the central and lateral incisor groups (p=0.163). Thus, the results of this retrospective study demonstrate the high success rate of restoring primary incisors after endodontic treatment using zirconia crowns.

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Bibliography:

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Publication of the article:

«Bulletin of problems biology and medicine», 2025 Issue 1, 176, 518-525 pages, index UDC 616.314.3-089.844-77:616.314.163-085

DOI:

10.29254/2077-4214-2025-1-176-518-525