INTRODUCTION

Oral surgery involves invasive procedures that increase the risk of pathogen transmission. Cross-contamination can occur through direct contact with blood, saliva, contaminated instruments, or aerosols. Dental surgery assistants (DSAs) are essential in enforcing infection control measures to protect patients and staff.

This paper examines:

·        Key sources of cross-contamination in oral surgery

·        The role of DSAs in infection prevention

·        Best practices for sterilization and disinfection

·        Compliance and challenges in maintaining aseptic conditions

SOURCES OF CROSS-CONTAMINATION IN ORAL SURGERY

Table 1: Potential contamination routes include:

Source

Risk Factor

Contaminated instruments

Improper sterilization or handling

Aerosols

High-speed handpieces and ultrasonic devices

Surfaces (light handles, trays)

Inadequate disinfection between patients

Gloves and PPE

Failure to change between patients

 

ROLE OF DENTAL SURGERY ASSISTANTS IN INFECTION CONTROL

Sterilization and Instrument Processing

DSAs must ensure proper sterilization cycles and storage of instruments. Key steps include:

1. Pre-cleaning: Immediate rinsing of instruments to remove debris.

2. Ultrasonic cleaning: Removes residual organic material.

3. Autoclaving: Standard sterilization at 121–134°C for 15–30 minutes.

4. Storage: Keeping instruments in sealed pouches until use.

Table 2: Sterilization Compliance Among DSAs (Survey Data)

Practice

Compliance Rate (%)

Proper autoclave use

92%

Correct instrument storage

85%

Regular spore testing

78%

 

Personal Protective Equipment (PPE) Usage

DSAs must wear and dispose of PPE correctly:

Gloves: Changed between patients.

Masks & face shields: Protection against aerosols.

Gowns: Disposable or properly laundered.

Environmental Disinfection

High-touch surfaces must be disinfected between patients using:

·        Intermediate-level disinfectants (e.g., chlorine-based, alcohol solutions).

·        Barrier protection (plastic covers on equipment).

CHALLENGES AND RECOMMENDATIONS

Common Challenges

·        Time constraints leading to rushed sterilization.

·        Inadequate training on updated infection control protocols.

·        PPE shortages in some settings.

Best Practices for DSAs

1. Regular training on infection control updates.

2. Checklist systems for sterilization and disinfection.

3. Monitoring compliance through audits.

CONCLUSION

Dental surgery assistants are pivotal in preventing cross-contamination in oral surgery. Strict adherence to sterilization, PPE protocols, and environmental disinfection significantly reduces infection risks. Continuous education and compliance monitoring are essential for maintaining high standards of patient and staff safety.