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Biological Effect of Peronema canescens Jack on The Surface Changes of Alginate Mold Fadriyanti, Okmes; Afriza, Dhona; Chaerunnisa, Chaerunnisa
Journal of Syiah Kuala Dentistry Society Vol 8, No 1 (2023): June 2023
Publisher : Dentistry Faculty

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jds.v8i1.33001

Abstract

Background. The patients oral cavity is one of the transmission agents that has the potential for cross-infection. Saliva adhering to the surface of the alginate mold, apart from containing a lot of microorganisms, also disrupts changes in the alginate surface due to changes in salivary pH. Sungkai leaves (Peronema canescens Jack) contain active compounds that can maintain the alginate constituent elements integrity and alginates surface properties. Objective. This study aimed to determine the biological properties of Peronema canescens Jack on changes in the alginate impression surface by immersion and spraying methods. Materials and Methods. The research material comprised 72 alginate impressions totaling six groups (12 samples/group). The sample categories used matrices and stainless steel rings and were measured within 5, 10, and 15 minutes. Changes in the alginate impression surface were observed using a stereo microscope. Results. Soaking and spraying with Sungkai leaf extract within 5 and 10 minutes did not affect the surface of the mold, while spraying within 15 minutes was within standard clinical limits. Conclusion. Sungkai leaf extract can maintain the integrity of alginate impressions by immersion and spraying techniques.
The consequences of external factors of smoking behaviour on the risk of dental caries among teenage smokers and non-smokers at SMKN 2 Padang: Konsekuensi faktor eksternal perilaku merokok pada risiko karies remaja perokok dan non perokok di SMKN 2 Padang Adriani, Sabrina Arifah; Rahmad, Yulia; Fadriyanti, Okmes
Makassar Dental Journal Vol. 14 No. 3 (2025): Volume 14 Issue 3 December 2025
Publisher : Makassar Dental Journal PDGI Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35856/mdj.v14i3.1233

Abstract

Smoking behaviour among adolescents has become one of the main factors affecting dental and oral health, particularly in in-creasing the risk of caries. Data from Health Office of Padang City shows a high prevalence of dental caries at SMKN 2 Padang. This article reports the results of a study on the consequences of external factors of smoking behaviour on the risk of dental caries among adolescent smokers and non-smokers at SMKN 2 Padang. A quantitative cross-sectional study was conducted with 68 Grade XI students at SMKN 2 Padang. Data were collected through oral cavity examinations using the DMF-T index and ques-tionnaires evaluating external factors such as the influence of parents, peers, and cigarette advertisements. Univariate data ana-lysis was presented in tables, and bivariate analysis was performed using the Mann-Whitney test. It was found that smoking stu-dents had a higher severity of caries compared to non-smoking students. A total of 13 students (19.12%) who smoked had very high levels of caries, while 34 non-smoking students had a caries level of 0. It was concluded that dental caries in smokers was higher and the main cause was peer influence.