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Introduction to Dental Therapy

Comprehensive Guide to the Fundamentals of Dental Care

1

Course Overview

This course provides foundational knowledge in dental therapy, covering:

  • Oral anatomy and physiology
  • Preventive dentistry
  • Common dental procedures
  • Patient management
  • Dental materials and equipment
2

What is Dental Therapy?

Definition

Dental therapy focuses on the prevention, diagnosis, and treatment of oral diseases and conditions.

Scope

Includes restorative procedures, preventive care, and oral health education.

Key Responsibilities

  • Oral examinations
  • Dental cleanings
  • Fillings and restorations
  • Patient education
  • Preventive treatments
3

History of Dental Therapy

Ancient Times

Evidence of dental treatment dates back to 7000 BCE. Early civilizations used primitive tools for tooth extraction.

18th Century

Pierre Fauchard established dentistry as a profession with his comprehensive book on dental science.

Modern Era

  • 1840: First dental school established
  • 1890s: X-rays introduced
  • 1940s: Fluoride discovered
  • 1950s: High-speed drills developed
  • 2000s: Digital dentistry emerges
4

Oral Anatomy Basics

Key Structures

  • Teeth: Incisors, canines, premolars, molars
  • Gingiva: Gum tissue surrounding teeth
  • Periodontium: Supporting structures
  • Tongue: Muscular organ for taste and speech
  • Salivary glands: Produce saliva for digestion
5

Tooth Anatomy

Tooth Layers

  • Enamel: Hard outer layer
  • Dentin: Softer layer beneath enamel
  • Pulp: Contains nerves and blood vessels

Tooth Structure

  • Crown: Visible part above gum
  • Root: Embedded in jawbone
  • CEJ: Cementoenamel junction
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Dental Notation Systems

Universal Numbering

Permanent teeth: 1-32
Primary teeth: A-T

Palmer Notation

Quadrant symbols with numbers

FDI System

Two-digit system where first digit indicates quadrant and second indicates tooth

Importance

Standardized communication among dental professionals

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Common Dental Conditions

Tooth Decay

Caused by bacterial acid erosion

Gingivitis

Inflammation of gum tissue

Periodontitis

Advanced gum disease affecting bone

Malocclusion

Misalignment of teeth

Oral Cancer

Abnormal cell growth in oral cavity

Bruxism

Teeth grinding or clenching

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Preventive Dentistry

Key Components

  • Oral hygiene instruction: Proper brushing and flossing techniques
  • Dietary counseling: Reducing sugar intake
  • Fluoride therapy: Strengthens enamel
  • Sealants: Protective coatings for teeth
  • Regular check-ups: Early detection of problems
9

Dental Examination Process

Components

  • Medical/dental history review
  • Extraoral examination
  • Intraoral examination
  • Periodontal assessment
  • Occlusal evaluation

Tools Used

  • Mouth mirror
  • Explorer
  • Periodontal probe
  • Dental light
  • Radiographs
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Thank You!

This concludes our introduction to Dental Therapy

Questions and Discussion

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