Science behind human saliva.
1Department of Oral Pathology and Microbiology, School of Dental Sciences, Sharda University, Greater Noida, Uttar Pradesh, India.
Journal of Natural Science, Biology, and Medicine
|April 4, 2012
Summary
Saliva is crucial for oral health, yet its importance is often overlooked. Disruptions in saliva can negatively impact oral and systemic health, highlighting the need for further research into its protective functions.
Area of Science:
- Oral biology and health
- Biochemistry of bodily fluids
Background:
- Saliva plays a vital role in maintaining oral health through its physical and chemical properties.
- The significance of saliva's functions and medicinal properties is frequently underestimated.
- Disruptions in saliva quantity or quality can lead to adverse oral and systemic health outcomes.
Purpose of the Study:
- To underscore the essential functions of saliva in overall well-being.
- To highlight the detrimental oral health effects, such as xerostomia, resulting from radiotherapy-induced salivary gland dysfunction.
- To emphasize the limited research on saliva's role in maintaining oral and general health.
Main Methods:
- Review of existing literature on saliva composition and function.
- Analysis of the impact of salivary dysfunction on oral health.
- Investigation into the consequences of radiotherapy on salivary glands.
Main Results:
- Saliva possesses numerous beneficial functions critical for health.
- Head and neck radiotherapy commonly causes salivary gland dysfunction, leading to dry mouth (xerostomia).
- Adverse effects on oral health are significant when salivary function is compromised.
Conclusions:
- Saliva is essential for maintaining both oral and systemic health.
- Further research is needed to fully understand saliva's role in overall health maintenance.
- The impact of salivary dysfunction warrants greater attention in clinical and research settings.
Related Concept Videos
01:23Salivary Glands and Saliva
The salivary glands, of which there are three pairs known as the parotid, submandibular, and sublingual glands, play a crucial role in maintaining oral health and initiating the digestive process. Positioned near the ears, beneath the masseter muscle, the parotid glands secrete saliva into the oral cavity through the parotid duct of Stensen. Meanwhile, the submandibular glands, located on the floor of the mouth, secrete saliva through channels named submandibular ducts. The sublingual glands,...
01:50What is Monogastric Digestion?
The human body contains a monogastric digestive system. In a monogastric digestive system, the stomach only contains one chamber in which it digests food. Several other animal species also have monogastric digestive systems, including pigs, horses, dogs, and birds. This chapter, however, focuses on the human digestive system.
01:27The Oral Microbiota
The oral microbiome includes a complex ecosystem comprising over 700 microbial species, identified through genomic sequencing and culture-based analyses to date. This community includes a core microbiome, found universally among individuals, and a variable component influenced by environmental factors such as diet, lifestyle, and host genetics. Site-specific conditions, including oxygen gradients, pH levels, and nutrient availability, determine the spatial distribution of these microorganisms...
01:22Physiology of the Gastrointestinal System I: Ingestion and Propulsion
The physiology of the gastrointestinal system begins with ingestion as food enters the mouth.
01:28Development of the Oral Microbiota
The establishment of the oral microbiome begins before birth, challenging the long-held belief that the fetal oral cavity is sterile. The presence of oral microbes such as Streptococcus and Fusobacterium in amniotic fluid suggests that microbial exposure may occur in utero, potentially through translocation from the maternal oral or gastrointestinal tract. This early colonization primes the neonatal immune system and sets the stage for subsequent microbial succession. Maternal health,...