Polishing of Teeth (Coronal Polishing) – Complete Notes for JKSSB Competitive Examination

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Introduction

Polishing of teeth is a dental procedure performed after scaling (oral prophylaxis) to remove extrinsic stains, smooth the tooth surface, and improve aesthetics. It gives teeth a shiny appearance and reduces plaque accumulation by creating a smooth surface.

Definition:
Tooth polishing is the mechanical process of smoothing the exposed tooth surfaces using polishing agents and instruments after removal of plaque, calculus, and stains.

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Definition (Exam Point)

According to dentistry:

Tooth polishing is the procedure of removing soft deposits and extrinsic stains while producing a smooth, glossy tooth surface using polishing instruments and abrasive materials.

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Objectives of Tooth Polishing

The main objectives are:

1. Remove extrinsic stains

2. Smooth rough tooth surfaces

3. Improve aesthetics

4. Reduce plaque accumulation

5. Increase patient comfort

6. Improve oral hygiene

7. Prepare teeth before fluoride application

8. Enhance patient satisfaction after scaling

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Indications (When Tooth Polishing is Done)

Tooth polishing is indicated in:

After scaling and root planing

Before fluoride treatment
Before orthodontic treatment
Before restorative procedures
Removal of tobacco stains
Removal of tea and coffee stains
Before taking dental impressions
Before placement of sealants
During routine dental cleaning

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Contraindications (When Not to Polish)

Polishing should NOT be performed in:

Active gingivitis with severe inflammation

Untreated periodontal disease
Newly erupted teeth
Dental caries
Hypersensitive teeth
Enamel hypoplasia
Exposed dentin
Asthma patients (air polishing powder)
Infectious diseases without precautions

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Types of Tooth Polishing

1. Coronal Polishing

• Most common

• Polishing only the crown portion

• Done after scaling

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2. Selective Polishing

Only stained areas are polished.

Modern dentistry recommends Selective Polishing because polishing every tooth unnecessarily removes enamel.

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3. Therapeutic Polishing

Performed before:

• Fluoride application

• Orthodontic bonding

• Restorative treatment

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4. Cosmetic Polishing

Done mainly to improve appearance.

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Methods of Tooth Polishing

1. Rubber Cup Polishing

Most common method.

Instruments

• Slow-speed handpiece

• Rubber polishing cup

• Prophy paste

Advantages

• Easy

• Safe

• Comfortable

Disadvantages

• Time consuming

• Cannot reach deep pits

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2. Bristle Brush Polishing

Used mainly for:

• Occlusal surfaces

• Stubborn stains

Advantages

• Good stain removal

Disadvantages

• May damage gingiva

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3. Dental Tape Polishing

Used for:

• Interproximal surfaces

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4. Air Polishing

Uses:

• Air

• Water

• Sodium bicarbonate powder

Advantages

• Fast

• Excellent stain removal

Disadvantages

• Not suitable for sodium-restricted patients

• Contraindicated in respiratory diseases

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5. Polishing Strips

Used between teeth.

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Abrasive Materials Used

Common polishing agents include:

Pumice

Calcium carbonate
Tin oxide
Zirconium silicate
Silicon carbide
Diamond paste
Aluminum oxide
Prophy paste

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Instruments Used for Tooth Polishing

Rotary Instruments

Slow-speed handpiece

Contra-angle handpiece
Rubber cup
Bristle brush
Felt wheel

Manual Instruments

Polishing strips

Dental tape
Cotton pellets

Air Polishing Equipment

Air polishing unit

Powder chamber
Air-water syringe

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Steps of Tooth Polishing

Step 1

Patient examination

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Step 2

Scaling

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Step 3

Select polishing agent

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Step 4

Fill rubber cup with polishing paste

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Step 5

Polish each tooth gently

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Step 6

Rinse thoroughly

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Step 7

Check remaining stains

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Step 8

Apply fluoride if required

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Principles of Tooth Polishing

Use minimum pressure

Use slow speed
Avoid overheating
Keep polishing paste moist
Polish only stained surfaces
Avoid prolonged polishing

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Advantages

Removes stains

Smooth tooth surface
Better aesthetics
Reduces plaque retention
Improves patient confidence
Fresh feeling after treatment

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Disadvantages

Removes small amount of enamel

Temporary sensitivity
Heat generation
Gingival injury if improperly performed
Aerosol production

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Precautions

Wear PPE

Use protective eyewear
Avoid excessive pressure
Avoid prolonged polishing
Use proper amount of polishing paste
Rinse thoroughly
Follow infection control protocol

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Complications

Enamel abrasion

Tooth sensitivity
Soft tissue trauma
Gingival bleeding
Heat injury
Damage to restorations

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Difference Between Scaling and Polishing

Scaling	Polishing
Removes calculus	Removes stains
Therapeutic procedure	Finishing procedure
Done first	Done after scaling
Uses scalers	Uses rubber cup and paste
Essential	Selective and indicated only when needed

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Tooth Polishing and Oral Prophylaxis

Oral prophylaxis includes:

Scaling

Root planing (if required)
Tooth polishing (when indicated)
Oral hygiene instructions
Fluoride application (optional)

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Recent Concept

Modern dentistry recommends Selective Polishing instead of polishing every tooth because unnecessary polishing removes a thin layer of enamel and may increase plaque retention if repeated excessively.

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Infection Control During Polishing

Hand hygiene

Gloves
Mask
Face shield
Sterilized instruments
Disposable polishing cups (when available)
Surface disinfection
High-volume suction during air polishing

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Important Exam Facts (One-Liner Revision)

Tooth polishing is performed after scaling.

The most common method is Rubber Cup Polishing.
Modern recommendation: Selective Polishing.
Air polishing commonly uses Sodium Bicarbonate Powder.
Prophy paste is the most commonly used polishing material.
Polishing improves aesthetics but does not remove calculus.
Scaling removes calculus; polishing removes extrinsic stains.

Excessive polishing can remove enamel.

Slow-speed handpiece is used for coronal polishing.
Air polishing produces aerosols, requiring proper infection control.

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Frequently Asked JKSSB MCQs

1. Tooth polishing is mainly done to remove:
A. Calculus
B. Dental caries
C. Extrinsic stains
D. Pulp tissue

Answer: C. Extrinsic stains

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2. Tooth polishing is generally performed:
A. Before scaling
B. After scaling
C. Before extraction
D. Before anesthesia

Answer: B. After scaling

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3. The most common polishing instrument is:
A. Curette
B. Rubber cup
C. Excavator
D. Chisel

Answer: B. Rubber cup

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4. Air polishing commonly uses:
A. Calcium hydroxide
B. Sodium bicarbonate
C. Zinc oxide
D. Silver nitrate

Answer: B. Sodium bicarbonate

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5. Modern dentistry recommends:
A. Routine polishing of every tooth
B. Selective polishing only where indicated
C. Daily polishing
D. Polishing before scaling

Answer: B. Selective polishing only where indicated

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JKSSB Quick Revision (Last Minute)

Definition: Mechanical smoothing of tooth surfaces after scaling.

Purpose: Remove extrinsic stains, improve aesthetics, reduce plaque retention.
Most common method: Rubber cup polishing.
Modern concept: Selective polishing.
Common abrasive: Pumice/Prophy paste.
Air polishing powder: Sodium bicarbonate.
Done after: Scaling.
Not indicated in: Active caries, severe gingival inflammation, hypersensitive teeth, exposed dentin.
Advantage: Smooth, clean, shiny teeth.
Disadvantage: Excessive polishing can abrade enamel.