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Evaluation of the microbial, cytotoxic and physico-chemical properties of the stainless steel crowns used in pediatric dentistry

Sztyler Klaudia, Pajączkowska Magdalena, Nowicka Joanna, Rusak Agnieszka, Chodaczek Grzegorz, Nikodem Anna, Wiglusz Rafał J., Watras Adam, Dobrzyński Maciej

Acta of Bioengineering and Biomechanics

2022

Vol. 24, no. 4

127--137

Preformed stainless steel crowns are used in pediatric dentistry to obtain full crown restoration of primary molar teeth. They are consider the best restoration in terms of durability and effectiveness. The purpose of this study is to evaluate microbial, cytological and physio-chemical properties to determine whereas stainless steel crown are biocompatible, safe for surrounding tissue and helpful in avoiding micro-organisms influence on the tooth tissue. Based on the results, it was determined that stainless steel crowns used in pediatric dentistry represent no cytotoxic risk to the surrounding tissues, have a low probability of developing hypersensitivity to the coronal material and also that their biological properties make them suitable to use in pediatric dentistry for the reconstruction of damaged primary molar tissue.

Leaves as "crackers", biofilm as "peanut butter" : Exploratory use of stable isotopes as evidence for microbial pathways in detrital food webs [commun.]

France R.L.

Oceanological and Hydrobiological Studies

2011

Vol. 40, No.4

110-115

Laboratory experiments have shown benthic macroinvertebrates to be capable of consuming heterotrophic organisms which develop on decomposing terrestrial leaves. Questions remain, however, as to whether these microbial biofilms represent a significant energy source to macroinvertebrates within the natural environment compared to that supplied by leaf substrates themselves. A compilation of literature data on field measurements of stable nitrogen isotope ratios for herbivorous macroinvertebrates suggests that assimilation of microbial biofilms may be the principle means by which allochthonous organic matter enters freshwater detrital food webs.