Octenidine is a cationic disinfectant that has been tested for its wide range of antibacterial efficacy and biocompatibility. It finds its application in the medical field as an antiseptic for wounds and mucous membranes. The present systematic review aims to compare the antimicrobial efficacy of Octenidine Dihydrochloride with various root canal irrigants and medicaments. An electronic search strategy was planned to search the database of PUBMED CENTRAL and MEDLINE using the search terms alone and in combination using PUBMED search builder till September 2019 for related studies. In Vitro studies that compared the antibacterial efficacy of Octenidine Dihydrochloride to other irrigants and medicaments against Enterococcus faecalis and Candida albicans using extracted human teeth were included in the review. The primary outcome measure was the reduction in the microbial load which was assessed through either CFU or the percentage of viable and dead bacteria. A total of 7 studies that matched the inclusion criteria were included in the systematic review. The studies indicated that Octenidine Dihydrochloride was highly effective in eliminating E faecalis and C albicans and could be a more biocompatible potential alternative or an adjunct to the existing irrigants and medicaments.

Treatment of caries through conventional modalities involves an invasive approach of excavation of the carious lesion followed by a restoration. This compromises on the strength and integrity of the tooth structure. Minimal invasive dentistry aims at early detection of the carious lesion and their remineralization. Self assembling peptides find its application in the medical field due to its ability to form a scaffold through a process of hierarchical organization into nano structures. Self-assembling peptide P11-4 is a novel technology for enamel remineralization through a biomimetic approach. The technology simulates normal enamel histogenesis. It induces de novo precipitation of hydroxyapatite crystals by forming a three dimensional scaffold matrix. The formation of the scaffold involves the conversion of the peptide from a low viscosity fluid to a nematic gel under low pH conditions. This scaffold matrix further attracts calcium ions and leads to formation of hydroxyapatite crystals. Being minimally invasive, it helps in preserving the strength and integrity of the tooth structure. The aim of the article is to review the technology of self assembling peptides for enamel regeneration and its potential as a material for successful treatment of early carious lesions through a minimally invasive approach.

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