Decrease in transverse strength of heat polymerized acrylic resin plate after immersion in 15% betel leaf extract (Piper betle Linn.) | Zendy

Sintha Nugrahini | Zendy; Helena Jelita | Zendy; Putu Hanny Ardianingsih | Zendy

Open Access

Decrease in transverse strength of heat polymerized acrylic resin plate after immersion in 15% betel leaf extract (Piper betle Linn.)

Author(s) -

Sintha Nugrahini,

Helena Jelita,

Putu Hanny Ardianingsih

Publication year - 2022

Publication title -

makassar dental journal

Language(s) - English

Resource type - Journals

eISSN - 2548-5830

pISSN - 2089-8134

DOI - 10.35856/mdj.v11i1.513

Subject(s) - distilled water , acrylic resin , immersion (mathematics) , piper , cleanser , betel , universal testing machine , materials science , disinfectant , significant difference , composite material , chemistry , chromatography , ultimate tensile strength , mathematics , traditional medicine , medicine , statistics , organic chemistry , structural engineering , nut , pure mathematics , engineering , coating

The method of chemically cleaning dentures by immersion in an effervescent denture cleanser solution for a long time can affect the transverse strength. Betel leaf extract can be used as a natural disinfectant because it contains essential oils that are antimi-crobial by denaturing cell proteins. This study was intended to examine the decrease in the transverse strength of heat polymeri-rized acrylic resin plates after immersion in 15% betel leaf extract solution. The posttest only control group design study used a sample of 24 HPAR plates, which were divided into 6 groups. The plates were immersed in distilled water for 72 hours to re-duce the residual monomer, immersed in 15% betel leaf extract solution, the positive control group in Fittydent® and the nega-tive control group in aquadest for 1 and 6 hours. The transverse strength was tested using the Universal Testing Machine and the data were analyzed using the one-way Anova test. The results showed the average transverse strength after immersion for 1 hour in 15% betel leaf extract, Fittydent®, and aquadest, respectively, namely 46.512±10.965 MPa, 72.744±22.395 MPa, and 81.522±28.854 MPa; after soaking for 6 hours, respectively, namely 49.171±14.246 MPa, 73.894±25.844 MPa, and 71.860± 17.553 MPa. The LSD test showed that there was a significant difference in transverse strength (p<0.05). It was concluded that the immersion of the HPAR plate in 15% betel leaf extract solution for 1 hour and 6 hours decreased the transverse strength.

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