{"id":{"repo_id":"western-cape","oai_identifier":"oai:uwcscholar.uwc.ac.za:10566/16999"},"canonical_url":"https://search.dev.ndltd.org/etd/western-cape/oai:uwcscholar.uwc.ac.za:10566/16999","repository":{"repo_id":"western-cape","name":"University of the Western Cape","base_url":"https://uwcscholar.uwc.ac.za:8443/server/oai/request"},"display":{"title":"An in vitro study on the effect of organic derived nano hydroxyapatite on dentine permeability","abstract":"Dentine sensitivity, hinders oral hygiene practices and limits consumption of specific foods and drinks. Studies have shown that, the severity of dentine sensitivity is related to the permeability of dentine tubules such that the more permeable the tubule is the higher the degree of sensitivity. Hydroxyapatite is one of the components known to block dentine tubules to reduce their permeability. The use of eggshells in deriving nano hydroxyapatite is an important approach as it also contributes to organic waste management. The purpose of this study was to assess and compare the effectiveness of organic nano hydroxyapatite derived from eggshells on dentine tubules permeability. This is an in vitro study, in which specimens of 72 human tooth dentine material were sectioned to thickness of 120, 250, 350, 500, 750, 1000 micrometers. The specimens were then exposed to four groups of treatment including deionized water, Sensodyne Sensitivity and Gum toothpaste, Colgate toothpaste and organic derived nanohydroxyapatite derived from eggshells.","abstract_html":"Dentine sensitivity, hinders oral hygiene practices and limits consumption of specific foods and drinks. Studies have shown that, the severity of dentine sensitivity is related to the permeability of dentine tubules such that the more permeable the tubule is the higher the degree of sensitivity. Hydroxyapatite is one of the components known to block dentine tubules to reduce their permeability. The use of eggshells in deriving nano hydroxyapatite is an important approach as it also contributes to organic waste management. The purpose of this study was to assess and compare the effectiveness of organic nano hydroxyapatite derived from eggshells on dentine tubules permeability. This is an in vitro study, in which specimens of 72 human tooth dentine material were sectioned to thickness of 120, 250, 350, 500, 750, 1000 micrometers. The specimens were then exposed to four groups of treatment including deionized water, Sensodyne Sensitivity and Gum toothpaste, Colgate toothpaste and organic derived nanohydroxyapatite derived from eggshells.","abstract_has_math":false,"creators":["Nyongesa, Christine Khanili"],"institution":"Universty of the Western Cape","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2023,"date_issued":"2023","date_published":"2023","updated_at":"2026-07-24T06:00:54Z","subjects":["Dentine tubules permeability","Desensitizing agents’","Hydraulic conductivity","Hydrodynamic theory","Organic derived Nano hydroxyapatite"],"languages":[],"rights":[],"rights_urls":["https://uwcscholar.uwc.ac.za/bitstreams/1e57ce31-960d-4969-9eac-5b031d8cd534/download"],"identifier_entries":[]},"links":{"outbound_url":null,"outbound_label":null,"outbound_source":null},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Nyongesa, Christine Khanili"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.issued","label":"Date","values":["2023"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["Universty of the Western Cape"]},{"key":"dc:relation.isreferencedby","label":"Dc Relation Isreferencedby","values":["https://hdl.handle.net/10566/16999"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Dentine tubules permeability","Desensitizing agents’","Hydraulic conductivity","Hydrodynamic theory","Organic derived Nano hydroxyapatite"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:rights","label":"Dc Rights","values":["https://uwcscholar.uwc.ac.za/bitstreams/1e57ce31-960d-4969-9eac-5b031d8cd534/download"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://uwcscholar.uwc.ac.za/bitstreams/c2ff07b1-195c-4702-ae2a-61b47f7ca724/download"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Dentine sensitivity, hinders oral hygiene practices and limits consumption of specific foods and drinks. Studies have shown that, the severity of dentine sensitivity is related to the permeability of dentine tubules such that the more permeable the tubule is the higher the degree of sensitivity. Hydroxyapatite is one of the components known to block dentine tubules to reduce their permeability. The use of eggshells in deriving nano hydroxyapatite is an important approach as it also contributes to organic waste management. The purpose of this study was to assess and compare the effectiveness of organic nano hydroxyapatite derived from eggshells on dentine tubules permeability. This is an in vitro study, in which specimens of 72 human tooth dentine material were sectioned to thickness of 120, 250, 350, 500, 750, 1000 micrometers. The specimens were then exposed to four groups of treatment including deionized water, Sensodyne Sensitivity and Gum toothpaste, Colgate toothpaste and organic derived nanohydroxyapatite derived from eggshells."]},{"key":"dc:format.checksum.md5","label":"Dc Format Checksum Md5","values":["cd958982b41df2d47be555878af3da0f","bb9bdc0b3349e4284e09149f943790b4","5874e8772329d16fea4eca9e0e2853d9"]},{"key":"dc:title","label":"Title","values":["An in vitro study on the effect of organic derived nano hydroxyapatite on dentine permeability"]}]}],"canonical_facts":{"dc:creator":["Nyongesa, Christine Khanili"],"dc:date.issued":["2023"],"dc:description.abstract":["Dentine sensitivity, hinders oral hygiene practices and limits consumption of specific foods and drinks. Studies have shown that, the severity of dentine sensitivity is related to the permeability of dentine tubules such that the more permeable the tubule is the higher the degree of sensitivity. Hydroxyapatite is one of the components known to block dentine tubules to reduce their permeability. The use of eggshells in deriving nano hydroxyapatite is an important approach as it also contributes to organic waste management. The purpose of this study was to assess and compare the effectiveness of organic nano hydroxyapatite derived from eggshells on dentine tubules permeability. This is an in vitro study, in which specimens of 72 human tooth dentine material were sectioned to thickness of 120, 250, 350, 500, 750, 1000 micrometers. The specimens were then exposed to four groups of treatment including deionized water, Sensodyne Sensitivity and Gum toothpaste, Colgate toothpaste and organic derived nanohydroxyapatite derived from eggshells."],"dc:format.checksum.md5":["cd958982b41df2d47be555878af3da0f","bb9bdc0b3349e4284e09149f943790b4","5874e8772329d16fea4eca9e0e2853d9"],"dc:identifier.uri":["https://uwcscholar.uwc.ac.za/bitstreams/c2ff07b1-195c-4702-ae2a-61b47f7ca724/download"],"dc:publisher.institution":["Universty of the Western Cape"],"dc:relation.isreferencedby":["https://hdl.handle.net/10566/16999"],"dc:rights":["https://uwcscholar.uwc.ac.za/bitstreams/1e57ce31-960d-4969-9eac-5b031d8cd534/download"],"dc:subject":["Dentine tubules permeability","Desensitizing agents’","Hydraulic conductivity","Hydrodynamic theory","Organic derived Nano hydroxyapatite"],"dc:title":["An in vitro study on the effect of organic derived nano hydroxyapatite on dentine permeability"],"dc:type":["Thesis"]},"updated_at":"2026-07-24T06:00:54Z"}