Sucrose concentrations at different oral sites after a sucrose mouthrinse 20 o wS .FUM I FUI saliva at different sites and 7.s Sucrose concentrations in 5 FLl times after a 10% sucrose e8s n PUl s LLM mouthrinse 05 WS=Whole saliva FUM-facial upper molars Time(min) FUlfacial palatal upper incisors LLM-lingual lower molars FLM=facial lower molars
Sucrose concentrations in saliva at different sites and times after a 10% sucrose mouthrinse WS=whole saliva; FUM=facial upper molars FUI=facial palatal upper incisors LLM=lingual lower molars FLM=facial lower molars
100 HCO 0 high flow rate high buffer capacit 3 flow rate↑ (parotid) saliva flow ml/min bicarbonate concentration t Na+↑ Electrolyte concentration as a function of salivary flow rate. See also chapter 3
high flow rate high buffer capacity flow rate bicarbonate concentration Na+ Electrolyte concentration as a function of salivary flow rate. See also chapter 3
Salivary composition and caries contradictory results. because of the difficulties in study
Salivary composition and caries : contradictory results, because of the difficulties in study
Relationship between salivary characteristics and caries prevalence Property Relationship Property Relationship Flow rate + H Buffer capacity a PO NH3 amylase Viscosi Urea positive relation; t some relation;-no relation
Relationship between salivary characteristics and caries prevalence Property Relationship Property Relationship Flow rate ± pH - Buffer capacity + Ca - PO4 - NH3 - Amylase Viscosity - Urea - + positive relation; ± some relation; - no relation
Salivary buffers In saliva, two chief buffer system bicarbonate-carbonic acid(HCO3 /H2CO3, PK=6.1)AND phosphate (HPO4 /H2PO4, PK2=6.8)
Salivary buffers In saliva, two chief buffer system, bicarbonate-carbonic acid (HCO3 - /H2CO3 , PK1=6.1) AND phosphate (HPO4 = /H2PO4 - , PK2=6.8)