NEET MDS - How to prepare for Operative Dentistry?

In the NEET MDS Preparation process, the students need to study the previous year exams thoroughly and identify the important topics. This article sheds light on Operative Dentistry & the list of Questions MERITERS experts will answer that are essential for an effective and efficient preparation:

  1. What is the subject wise Weightage?
  2. Which Books to refer?
  3. How much Time should be allocated to the subject?
  4. How much Time should be allocated to each Topic?
  5. How many times should the subject be Revised?
  6. What is the Ideal time to Start the subject?
  7. What are the Important Topics for NEET MDS?
  8. Types of Questions asked?

What is the subject wise Weightage?

10-13/240 Questions (5%)


Standard Books to Refer:


How much Time should be allocated for the Subject?

  • Theory reading – 1-2 Days
  • MCQ Practice- 1 week

How much Time should be allocated to each Topic?

  • Theory reading – 2-3 Hours
  • MCQ Practice-  6-8 Hours

How many Times should the subject be Revised?

  • 4-6 times revision is required

What is the Ideal time to Start the subject?

  • 4th quarter of the preparation 
  • After completing 17-19 subjects


Operative Dentistry - Important Topics

Unit Most Important Topics


Diagnosis and Treatment planning
Operator Positions
Microbiology of Caries
Classification of Caries- GV Black, Root caries, Caries cone
Histo-pathological changes of Enamel and Dentin
Diagnosis of Caries
After Restoration Procedures

Infection control

  • Occupational Safety and Health Act
  • Aerosols and Ultrasonics
  • Classification of Medical, Surgical and Dental Instruments
  • Sterilization

 Dental Adhesion

Enamel and dentin bonding systems

Direct filling gold

  • Manipulation
  • Principles of tooth preparation


  • Composition and classification
  • Cavity preparation
  • Polymerization of composites


  • Pin retained amalgam restorations
  • Mercury toxicity
  • Trituration

Caries and Cavity Preparation

  • Cariology
  • Tooth preparation

Sterlization and Isolation

  • Moist and dry heat sterilization, ETOX gas
  • Rubber dam
  • Matrices

Direct Filling Gold

Types of Direct Filling Gold
  • Cavosurface Margin
  • Cohesive Gold
  • Degassing
  • Condensation and Compaction
  • Properties of Gold

Cast Gold Restorations, Inlays, Onlays

Indications and Contraindications
Principles of Tooth Preparations
Finish Lines and Cavosurface Margins
Functional Cusp Bevel

Biomechanical Principles

Cavity Preparation, Smear Layer
Rubber Dam in Detail
Separators/ Wedges/ Matrices
Gingival Retraction
Debridement, Polishing Agents
Pulp Protection, Air Abrasion
UltraSonics and Lasers in Cavity Preparation
Walls of Cavity/ Line Angles/ Point Angles
Outline Form, Resistance Form
Retention Form, Bevels
Depth Of Cavity, Ferrules


Hand Cutting Instruments
Instrument Formula
GMT, Angle Former
Hatchets, Angles of Dental Bur
Efficiency of Burs
Carbide/ Diamond/ Stainless Steel Burs

Amalgam Restorations

Indications/ Contraindications of Amalgam Restorations
Father of Amalgam
Properties of Amalgam
Creep, Phases of Amalgam
Microleakage, Delayed Expansion
Overhangs, Trituration
Eame’s Technique
Burnishing, Condensation
Mercuric Toxicity
Pin Retained Amalgam Restorations
Types of Pins, Thread Mate System
Bonded Amalgam Restorations

Tooth Colored Restorations

Acid Etching
Skipping Effect
Dentin Conditioner
Primers and Adhesive Resin Generations
Fillers in Composites
Margins and Cavosurface Angles
Shade Determination
Porcelain Restorations

Other topics

Dentin Hypersensitivity
Mahler Scale
Box and Tunnel Restorations
Veneers and Laminates
Bonding Agents


What Type of Questions were asked in NEET?

1. Single best answer

  • Case Based
  • Fact Based (Memory)
  • Concept based
  • Numerical/Value Based

2. Image based questions

3. True or false type questions


Please watch the above featured video for more detailed explanation about this article.

We hope this blog will assist you in preparing this subject meticulously for MDS entrance exams.
Prepare judiciously..

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Updated Aug 01, 2020.