Saliva and Salivation PDF

Saliva (and salivation) [Oral and Dental Sciences] Miss H Rogers GDC ILOs ▪ 1.1.5 Describe relevant and appropriate dental, oral, craniofacial and general anatomy and explain their application to patient management ▪ 1.1.6 Describe relevant and appropriate physiology...

Saliva (and salivation) [Oral and Dental Sciences] Miss H Rogers GDC ILOs ▪ 1.1.5 Describe relevant and appropriate dental, oral, craniofacial and general anatomy and explain their application to patient management ▪ 1.1.6 Describe relevant and appropriate physiology and explain its application to patient management Related topics: ▪ Embryology ▪ Salivary glands ▪ Xerostomia ▪ Skull ▪ Regional anatomy Aim To gain an overview of saliva and its function, and the process of salivation Learning Outcomes By the end of this lecture you should be able to: 1. List both the organic and inorganic components of saliva, and describe their function 2. Describe the functions of saliva 3. Describe the mechanism of salivation 4. Outline the factors that can impact on salivary flow 3 What is saliva? How would you describe saliva? A colourless, slightly sticky solution produced by the salivary glands. It is either serous or mucous in consistency- what do you understand by these terms? Qu: How much saliva do we produce in a day? Ans: Between 1-1.5 litres are produced every 24 hours 4 Sources of saliva by salivary gland Each of the major salivary glands (along with the minor) produce varying amounts of saliva: Salivary gland % of total volume Submandibular 60-65% Parotid 25% Sublingual 5-10% Minor salivary glands