Dental Caries Overview and Types
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Questions and Answers

What is the primary cause of dental caries?

  • The breakdown of enamel by bacteria (correct)
  • The use of dental floss
  • The presence of fluoride in the mouth
  • The consumption of sugary drinks
  • What is the most prevalent disease in the world, according to the World Health Organisation?

  • Cancer
  • Dental caries in permanent teeth (correct)
  • Cardiovascular disease
  • Dental caries in deciduous teeth
  • What does the term "demineralisation" refer to in relation to dental caries?

  • The strengthening of tooth structure
  • The breakdown of tooth minerals (correct)
  • The formation of plaque on tooth surfaces
  • The hardening of tooth enamel
  • Which of the following statements accurately describes dental caries?

    <p>It is a dynamic process involving both demineralization and remineralization. (D)</p> Signup and view all the answers

    What is the role of bacteria in the development of dental caries?

    <p>Bacteria produce acids that demineralize tooth enamel. (A)</p> Signup and view all the answers

    What is the significance of the "time" factor in dental caries development?

    <p>The longer the exposure to fermentable carbohydrates, the greater the risk of caries. (B)</p> Signup and view all the answers

    Which of these is NOT a factor in the initiation of dental caries?

    <p>The use of fluoride toothpaste (A)</p> Signup and view all the answers

    What is the estimated number of children worldwide who have dental caries in their deciduous teeth?

    <p>560 million (D)</p> Signup and view all the answers

    What is defined as when carious lesions may 'heal' due to a favorable balance between demineralisation and remineralisation?

    <p>Arrested caries (A)</p> Signup and view all the answers

    What percentage of 5-year-olds in the UK are reported to have experienced dental caries?

    <p>23% (A)</p> Signup and view all the answers

    Which of the following is NOT associated with the concept of arrested caries?

    <p>Progression of caries (A)</p> Signup and view all the answers

    Which type of caries would be associated with a 'scar' on the tooth surface after healing?

    <p>Residual caries (B)</p> Signup and view all the answers

    What is a frequent consequence of severe caries in children?

    <p>Absence from work or school (C)</p> Signup and view all the answers

    Which treatment is ideal for cavitated root caries when isolation is challenging?

    <p>Glass ionomer cement (C)</p> Signup and view all the answers

    What defines early childhood caries according to the ADA?

    <p>Decay in primary teeth under 72 months of age (A)</p> Signup and view all the answers

    Which subgroup does not typically classify rampant caries?

    <p>Social-induced rampant caries (B)</p> Signup and view all the answers

    When should restoration of root caries be considered?

    <p>If the pulp may be endangered (B)</p> Signup and view all the answers

    What is the primary treatment approach for patients with rampant caries?

    <p>Stabilization with temporary restorations (B)</p> Signup and view all the answers

    What type of caries is characterized by lesions between teeth?

    <p>Interproximal caries (A)</p> Signup and view all the answers

    Which medication is mentioned as a treatment option for saliva substitutes?

    <p>Pilocarpine (A)</p> Signup and view all the answers

    Which restorative material is most effective for early intervention in cavitated lesions with enamel availability?

    <p>Composite resin (B)</p> Signup and view all the answers

    What characteristic distinguishes active enamel surface from inactive enamel surface?

    <p>Whitish, brown or black (B)</p> Signup and view all the answers

    Which treatment is NOT indicated for arrested/inactive caries?

    <p>Immediate extraction (B)</p> Signup and view all the answers

    What initial condition leads to the development of root caries?

    <p>Exposure of the root surface (B)</p> Signup and view all the answers

    What effect does xerostomia have on the risk of caries?

    <p>Reduces the ability to remineralize teeth (A)</p> Signup and view all the answers

    What is a common characteristic of dentine in active caries?

    <p>Rough, soft, and leathery feeling (B)</p> Signup and view all the answers

    Why is oral hygiene instruction particularly important for elderly patients at risk of root caries?

    <p>They may have physical impairments (D)</p> Signup and view all the answers

    What is the primary tissue affected in root caries?

    <p>Cementum (B)</p> Signup and view all the answers

    What is a preventative measure for root caries?

    <p>Fluoride use (B)</p> Signup and view all the answers

    What is the location of Class I caries according to GV Blacks Classification?

    <p>On the occlusal surfaces of premolars and molars (B)</p> Signup and view all the answers

    What distinguishes Class III caries from Class IV caries?

    <p>Class III involves the incisal edge, Class IV includes part of the incisal edge. (D)</p> Signup and view all the answers

    What is the definition of primary caries?

    <p>Caries affecting untreated tooth surfaces. (A)</p> Signup and view all the answers

    Which type of caries occurs on the gingival third of the facial surface?

    <p>Class V (B)</p> Signup and view all the answers

    What does residual caries refer to?

    <p>Caries that remain after a restoration. (B)</p> Signup and view all the answers

    What is the characteristic of incipient caries?

    <p>Is the first evidence of carious activity not reaching the ADJ. (B)</p> Signup and view all the answers

    Class II caries are located on which surfaces?

    <p>Proximal surfaces of premolars and molars. (B)</p> Signup and view all the answers

    What type of caries refers to previously treated surfaces?

    <p>Secondary caries (C)</p> Signup and view all the answers

    Flashcards

    Dental Caries

    A common dental disease resulting in tooth decay.

    Arrested Caries

    Caries that has stopped progressing and may remineralize.

    Primary Caries

    The initial stage of dental caries affecting untreated teeth.

    White Spot Lesions

    Early sign of caries on enamel, appearing as opaque white spots.

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    Remineralisation

    Process where minerals are redeposited in the tooth enamel.

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    Caries

    Decay in teeth caused by bacteria accumulation.

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    Class I Caries

    Pit and fissure caries on occlusal surfaces of premolars and molars.

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    Class II Caries

    Caries on proximal surfaces of premolars and molars.

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    Class III Caries

    Caries on proximal surfaces of anterior teeth, not involving incisal edge.

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    Class IV Caries

    Caries on proximal surfaces of anterior teeth, including the incisal edge.

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    Class V Caries

    Caries on gingival third of facial and lingual surfaces of all teeth.

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    Residual Caries

    Caries remaining after a tooth has been restored.

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    Active Caries

    Caries that are progressing, showing discoloration and rough texture.

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    Inactive Caries

    Caries that are arrested, not progressing, often with a smoother texture.

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    Fluoride Application

    A treatment option for arrested caries to help remineralize enamel.

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    Root Caries

    Caries that affect the root surface, often due to exposure from recession.

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    Xerostomia

    Decreased salivary flow that can increase caries risk.

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    Salivary Flow Reduction

    A condition that can lead to increased risk of caries due to less mineral clearance.

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    Preventative Measures for Root Caries

    Includes oral hygiene instruction and use of fluoride to minimize caries risk.

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    Oral Hygiene Challenges

    Difficulties faced by elderly patients in maintaining proper oral care.

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    Root Caries Treatment

    Restoration with glass ionomer cement or composite resin for cavitated lesions.

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    When to Restore Root Caries

    Restore when lesions may endanger the pulp, cause sensitivity, or if plaque control is inhibited.

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    Early Childhood Caries

    Decayed or filled surfaces in any primary tooth of a child under 6 years old.

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    Rampant Caries

    Extensive caries affecting multiple teeth, often immune to decay.

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    Types of Rampant Caries

    Includes Early childhood, Xerostomia induced, and Radiation induced rampant caries.

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    Treatment Prevention for Rampant Caries

    Extensive prevention needed; stabilize with temporary restorations.

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    Smooth Surface Caries

    Caries occurring on the smooth surfaces of teeth.

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    Interproximal Caries

    Caries that develop between adjacent teeth.

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    Aetiology of Caries

    The study of the causes of dental caries, including bacteria, carbohydrates, and tooth susceptibility.

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    WHO Dental Caries Stat

    WHO states dental caries is the world's most widespread non-communicable disease affecting billions.

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    Prevalence of Caries

    The common occurrence of dental decay, especially in permanent and deciduous teeth worldwide.

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    Causative Factors

    Elements that contribute to the formation of dental caries, including bacteria, diet, and tooth structure.

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    Healthcare Budget Impact

    About 5-10% of healthcare budgets in developed countries are spent on treating dental caries.

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    Study Notes

    Describing Dental Caries

    • Dental caries, also known as dental decay, is a dynamic process of demineralization and remineralization.
    • It begins when bacteria in the mouth digest carbohydrates, producing acids.
    • These acids break down tooth enamel and dentin, leading to tooth decay.
    • Initially, the decay is reversible, but prolonged acid attack makes it irreversible.

    Types of Dental Caries

    • Arrested/Inactive Caries: When the balance between demineralization and remineralization favors remineralization, the decay may stop. A scar might remain. This can be caused by improved oral hygiene and other preventative measures. Treatment may involve fluoride application or composite/glass ionomer cement if discolouration needs correcting. Continued prevention remains important as the initial cause may return.

    • Root Caries: Affects cementum, then dentin. Develops when the root surface is exposed due to gum recession, allowing bacteria colonization. Root caries progresses faster than enamel caries because cementum is softer. Factors influencing it include decreased saliva flow (xerostomia) which reduces mineral reservoir for remineralisation and issues associated with radiotherapy and trismus (limited jaw motion). Preventative measures include improved oral hygiene, dietary adjustments, fluoride use and potentially saliva substitutes and medication. Treatment includes restoring cavitated lesions, but isolation is sometimes challenging.

    • Early Childhood Caries: Defined by the American Dental Association (ADA) as presence of one or more decayed, missing, or filled tooth surfaces in a preschool-aged child. Previously known as 'bottle caries' or 'nursing caries'. Defined as a child under 6 who experiences decay.

    • Rampant Caries: An extensive form of caries affecting multiple teeth rapidly. This form is often more resistant to decay, for example, mandibular incisors. This can be early childhood related, or caused by conditions such as xerostomia or radiotherapy. Treatment of rampant caries requires comprehensive prevention, followed by stabilisation using temporary restorations to evaluate response prior to permanent restorations.

    • Caries Based on Anatomical Position: This categorizes caries based on its location on the teeth:

    • Class I: Pit and fissure caries in premolars, molars (occlusal 2/3 of buccal, lingual, and palatal surfaces of anterior teeth).

    • Class II: Caries on proximal surfaces of premolars and molars.

    • Class III: Caries on proximal surfaces of anterior teeth (incisors and canines) that do not include the incisal edge.

    • Class IV: Caries on proximal surfaces of anterior teeth that also involve the incisal edge.

    • Class V: Caries on the gingival third of facial, lingual, or palatal surfaces of all teeth.

    • Class VI: Caries on incisal edges of anterior teeth or cusp tips of posterior teeth, without involving any other surface.

    • Primary/Secondary: Primary refers to decay on surfaces not previously treated, secondary is decay on previously treated surfaces.

    • Residual: This is decay left after restoration, may be intended (excavation, fissure seal) or unintentional (missing caries removal).

    • White Spot Lesions/Incipient Caries: The earliest detectable evidence of decay, usually not reaching the dentin-enamel junction. These lesions can be remineralized with proper preventative care.

    • Additional learning resources include lectures on detection and management of caries with a particular focus on prevention strategies.

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    Related Documents

    Describing Dental Caries PDF

    Description

    This quiz delves into the process of dental caries, discussing how it develops through the actions of bacteria and acids that affect tooth structure. It covers different types of caries, such as arrested/inactive caries and root caries, examining their causes, effects, and potential treatments. Enhance your understanding of dental health and preventive measures!

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