Karies under fyllning
Federal government websites often end in.
Karies och hål i tänderna
Before sharing sensitive information, make sure you're on a federal government site. The site is secure. NCBI Bookshelf. Manu Rathee ; Amit Sapra.
Top Signs You May Have a Cavity Under a Filling
Authors Manu Rathee 1 ; Amit Sapra 2. Dental caries is a common chronic infectious resulting from tooth-adherent cariogenic bacteria, primarily Streptococcus mutans , which metabolize sugars to produce acid, demineralizing the tooth structure over time. This activity describes the evaluation and management of dental caries and highlights the role of the interprofessional team in evaluating and treating patients with dental caries.
Objectives: Describe the etiology of dental caries. Summarize the pathophysiology of dental caries, highlighting the currently accepted theory. Describe dental caries' clinical findings. Explain the treatment considerations for patients with dental caries. Access free multiple choice questions on this topic. Dentistry dates back to B. The term was initially used to describe holes in the teeth.
Dental caries is reported to be one of the oldest and most common diseases found in humans. Dental caries is a prevalent chronic infectious disease resulting from tooth-adherent cariogenic bacteria that metabolize sugars to produce acid, which, over time, demineralizes tooth structure. Dental caries is a term that refers to both the disease and the resulting lesion.
Tooth Decay Under Fillings: What Causes It, How to Detect it, and Treatment Options
The caries process occurs in the biofilm, which is permanently active with every pH fluctuation [1] , and the lesion manifests in the dental hard tissues. Dental caries occurs when the biofilm microbiota that normally resides in the oral cavity in homeostasis change to an acidogenic, aciduric, and cariogenic population due to the frequent consumption of sugars.
Therefore, dental caries is considered a dietary-microbial disease [3] that requires a cariogenic biofilm and regular exposure to fermentable carbohydrates glucose, fructose, maltose, and sucrose from the diet. Behavioral, psychological, and social factors also play a significant role in the disease process.
Dental caries is a major healthcare problem as it is the most prevalent disease worldwide. Carious lesions have a higher percentage and incidence of certain bacterial species: Streptococcus mutans , Streptococcus sobrinus , and Lactobacilli , isolated from advanced caries. Although the etiology of dental caries is not completely specific, we cannot ignore that a limited type of bacteria is consistently found in higher numbers from the affected areas.
Can I Get Cavities Under a Filling?
The ecological plaque hypothesis believes that dental caries is not caused by a specific type of microorganism acting alone but is the result of a shift in the microbiota of the dental biofilm towards more cariogenic species. Fermentable carbohydrates are metabolized by the biofilm bacteria that produce organic acids, primarily lactic acid.
These end products of bacterial metabolism accumulate in the fluid phase of the biofilm, causing a pH drop and demineralization of the surface layer of the tooth. The enamel porosity increases, the spaces between the crystals widen, and the surface softens, which provides an opportunity for the acids to get deeper into the tooth structure and demineralize the subsurface.
At this point, the reaction products of the demineralization - calcium and phosphate - accumulate in the enamel surface and can protect it from further mineral loss. Sugars are swallowed and cleared by saliva that can return the biofilm pH to neutrality thanks to its buffer capacity; calcium, phosphate, and fluoride now remineralize the tooth's surface. If the acidic conditions perpetuate, the pH drops will continue, reaching a point when the rate of mineral loss in the subsurface is higher than the surface, resulting in a subsurface lesion.
When there is sufficient mineral loss, a white spot becomes clinically visible. A white spot can be arrested or reversed if behavioral changes and preventive measures are implemented ICDAS 1 and 2. A carious tissue consists of four different zones histologically, among which three zones are visible clinically. The outer layer consists of the necrotic zone and contaminated zone containing microbial biofilm, which can be appreciated clinically as soft mineralized tissue of the tooth.