Improving Infection Prevention in Dental Settings

Maintaining an effective asepsis protocol is essential to safe practice. Here is an overview of the recent federal summary of infection prevention recommendations

In late March, the U.S. Centers for Disease Control and Prevention (CDC) released its Summary of Infection Prevention Practices in Dental Settings: Basic Expectations for Safe Care.1 The summary reflects existing evidenced-based recommendations, as set forth in the CDC’s Guidelines for Infection Control in Dental Health-Care Settings — 2003,2 as well as in other select guidelines and recommendations published since 2003.3–7 The summary document emphasizes CDC standard precautions and basic infection prevention expectations for safe care. The summary is not a new guideline; rather, it is a supplement to the 2003 guidelines and is designed to facilitate compliance with the existing recommendations.1

The summary explains infection prevention principles and recommendations for dental settings. It also reaffirms the standard precautions as the foundation for preventing transmission of infectious agents during patient care. The new document includes a two-part checklist that can be used to evaluate compliance with CDC recommendations. The summary also provides links to the complete guidelines, other select recommendations published since 2003, and source documents that readers can reference for more detailed information.

Working with the CDC, the Organization for Safety, Asepsis and Prevention (OSAP) has supported dissemination of the CDC summary through its website (OSAP.org), presentations at professional meetings, and webinars. The website contains links to the summary and key CDC resources, and also provides a clear explanation of what the summary is and is not (Table 1).8

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* Adapted from and used with permission of the Organization for Safety, Asepsis and Prevention. New CDC Summary and Checklist, http://www.osap.org/page/NewCDCSummary8

BACKGROUND PERSPECTIVE

Since the release of the 2003 guidelines, the CDC’S Division of Oral Health has continued to review the scientific literature. In 2016, a review was conducted to identify documented reports of bloodborne pathogen transmission in dental settings since 2001. The reviewers examined summaries of all formal and informal reports from state and local health departments of suspected health care-associated human immunodeficiency virus (HIV) or hepatitis transmissions. It also reviewed the CDC’s Division of Hepatitis database.9

The authors identified three published reports of transmission of hepatitis B and C viruses in dental settings between 2001 and 2013. Two single-transmission events (from one patient to another) occurred in outpatient oral surgery practices.9 Another study documented the transmission of hepatitis B to three patients and two dental health care personnel (DHCP) in a large temporary dental clinic.9 There were no reports of HIV transmission associated with a dental practice setting (Table 2).9

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* Adapted from Cleveland JL, Gray SK, Harte JA, Robison VA, Moorman AC, Gooch BF. Transmission of blood-borne pathogens in U.S. dental health care settings: 2016 Update. J Am Dent Assoc. May 24, 2016. Epub ahead of print.9

The authors concluded that reports describing the transmission of bloodborne pathogens in dental settings since the 2001 event were rare, and that failure to adhere to existing CDC recommendations for infection control in dental settings likely led to disease transmission in all three cases.9 The authors further concluded that the existence of these reports emphasizes the need to improve DHCPs’ understanding of the basic principles of infection prevention and control, including implementation of standard precautions through the use of checklists, policies and practices.9

Research published in 2012 also supports the need for improved compliance with existing guidelines. In the report, CDC scientists studied the percentage of U.S. dentists using four CDC infection control measures, and identified factors associated with the implementation of infection control recommendations.10 The American Dental Association collected the data by surveying a stratified random sampling of 6825 U.S. dentists.

The following recommendations served as indicators for guideline adherence:

  • Designating an infection control coordinator to monitor all infection control activities
  • Using a separate water system for each dental unit that had been monitored at least once in the preceding 12 months to assess water quality
  • Routinely documenting and referring individuals with percutaneous injuries for medical evaluation
  • Using safer medical devices, such as safer syringes and scalpels, as mandated by the federal Occupational Safety and Health Administration

Based on a 49% response rate, the research showed that dentists in 34% of the practices surveyed had implemented none or one of the recommendations, 40% had implemented two, and 26% had implemented three or four. The two most frequently implemented recommendations were having an infection control coordinator, and always documenting percutaneous injuries.10 The likelihood of implementation was highest among dentists who:10

  • Acknowledged the importance of infection control
  • Had practiced dentistry for less than 30 years
  • Correctly identified procedures that required the use of sterile water
  • Had received more continuing dental education credits in infection control (as compared to less-compliant respondents)
  • Worked in larger practices
  • Had at least three sources of instruction regarding the CDC guidelines

The authors concluded that implementation of the recommendations was neither complete nor uniform across practices. They further suggested strategies aimed at raising awareness of the importance of infection prevention, and increasing continuing education requirements as a means of improving implementation of the existing recommendations.10

In light of these results, the CDC’s Division of Oral Health began developing the recently published summary document, which is designed to provide a resource to facilitate compliance.1

TRAINING AND COMPLIANCE RESOURCES

This plain language summary is an excellent resource for DHCP education and training. It also serves as a helpful reference for developing policies and standard operating procedures for infection prevention programs. The CDC encourages clinicians to consult the full guidelines for additional background information and the rationale and scientific evidence behind each recommendation.1

As noted, the summary includes a companion two-part checklist that can be used to periodically evaluate compliance with infection prevention practices. Along with the summary, the CDC also published a compendium document, Recommendations From the Guidelines for Infection Control in Dental Health-Care Settings — 2003. A helpful resource for clinical use, the compendium is a reformatted, easy-to-use listing of the 2003 guidelines.11

The summary, checklist — including a writable pdf checklist — and compendium are available online (Table 3.) Additional infection prevention resources are listed in Table 4.

0816-infection-30816-infection-4According to the CDC, the overarching goal of an infection prevention program is to provide a safe working environment that will reduce the risk of health care-associated infections among patients and DHCP, including volunteers.1,2 Program evaluation is an essential component of safe care, and the CDC guidelines describe evaluations as a “systematic way to ensure that infection prevention procedures are useful, feasible, ethical and accurate.”2 In its Guidelines for Infection Control in Dental Health-Care Settings — 2003, the CDC suggests elements regarding program evaluation (Table 5), and further states that a successful infection prevention program depends on:2

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  • Developing standard operating procedures
  • Evaluating practices
  • Routinely documenting adverse outcomes (e.g., occupational exposures to blood) and work-related illnesses in DHCP
  • Monitoring health-care associated infections in patients

Key Takeaways

  • The U.S. Centers for Disease Control and Prevention (CDC) infection control summary is a helpful resource for developing asepsis policies and procedures for dental settings.
  • This is not a new guideline; rather, it is a supplement to, and reflects existing recommendations set forth in the CDC’s Guidelines for Infection Control in Dental Health- Care Settings — 2003,2 as well as other recommendations published since 2003.3–7
  • It is suggested that each practice setting have a designated infection prevention coordinator who oversees asepsis protocols and compliance.
  • The CDC summary document includes a two-part checklist that can be used to evaluate compliance with existing recommendations.
  • Along with the summary, the CDC has issued a compendium document, Recommendations From the Guidelines for Infection Control in Dental Health-Care Settings — 2003. The compendium is a reformatted, easy-to-use listing of the 2003 guidelines.11
  • Periodic program evaluation is an essential component of safe care, and helps “ensure that infection prevention procedures are useful, feasible, ethical and accurate.”2

INFECTION PROTOCOL CHECKLISTS

The CDC summary and two-part checklist are valuable tools for site-specific evaluation of compliance with CDC recommendations. These can be used as a component of an overall quality assurance or continuing quality improvement program. Section I is designed to facilitate evaluation of administrative policies and procedures, and the clinic’s or practice’s written infection prevention protocol. Section II can be used to observe and evaluate infection prevention and control practices by DHCP during the performance of their duties.1 In addition to the summary checklist, other day-to-day operational checklists may be indicated. Checklists should be used for repeatable, recurring processes (e.g., dental unit waterline treatment, biologic monitoring of the sterilizer, and routine sterilizer maintenance).

Using checklists reminds team members of critical steps to complete during each procedure. It also provides a record that the proper procedure and steps were completed, and serves as documentation to investigate adverse events.

In addition to their utility in monitoring work practices and evaluating compliance with recommendations, checklists can be useful in identifying gaps in compliance, as well as in determining any necessary remediation. The latter may include modifying an existing written policy and protocol, developing new policies and procedures, changing a device or product, or targeted training for an individual or entire team.

Besides site-specific checklists and evaluation forms, dental practice settings may use additional checklists or audit forms from regulatory and accrediting agencies. Some state licensing boards, for example, use audit forms and checklists to assess compliance with CDC infection prevention recommendations. These forms and checklists may be available from state board websites. Other accrediting organizations — such as the Joint Commission on Healthcare Accreditation and state departments of public health — use checklists and audit forms to evaluate a site’s compliance with standards and regulations.

INFECTION PREVENTION COORDINATOR

To facilitate infection prevention program development, implementation and evaluation, the CDC recommends that each practice setting have a trained infection prevention coordinator. The recommendation is to assign at least one individual responsibility for coordinating the program. According to the summary document, “The infection prevention coordinator should ensure that equipment and supplies (e.g., hand hygiene products, devices to reduce percutaneous injuries, and personal protective equipment) are available, and should maintain communication with all staff members to address specific issues or concerns related to infection prevention.”1,2

Likewise, OSAP also recommends designating an infection prevention coordinator to manage and coordinate the infection control and safety program.12 In addition to providing a variety of resources, the organization lists suggested roles and responsibilities on its website.12 Depending on the practice setting, the infection prevention coordinator might be an individual, or, in larger settings, a committee with defined responsibilities. Alternately, a practice setting may choose to hire a consultant to help with program development or assessment, and serve as an ongoing resource to the on-site infection prevention coordinator.

In conclusion, a successful and compliant infection prevention program requires ongoing monitoring and evaluation. Designating an infection prevention coordinator to provide oversight, and utilizing evaluation tools — such as the recently issued CDC summary, checklist and compendium documents — are key elements to preventing infectious transmission in dental settings. Developing a true culture of safety requires the commitment to the program by all personnel, as demonstrated by day-to-day infection prevention practices.

References

  1. U.S. Centers for Disease Control and Prevention. Summary of Infection Prevention Practices in Dental Settings: Basic Expectations for Safe Care. Available at: cdc.gov/oralhealth/infectioncontrol/guidelines. Accessed July 25, 2016.
  2. U.S. Centers for Disease Control and Prevention. Guidelines for infection control in dental health-care settings — 2003. MMWR Recomm Rep. 2003;52(RR17):1–61.
  3. Siegel JD, Rhinehart E, Jackson M, Chiarello L, and the Healthcare Infection Control Practices Advisory Committee. U.S. Centers for Disease Control and Prevention. 2007 Guideline for Isolation Precautions: Preventing Transmission of Infectious Agents in Healthcare Settings. Available at: cdc.gov/hicpac/pdf/isolation/isolation2007.pdf. Accessed July 25, 2016.
  4. U.S. Centers for Disease Control and Prevention. CDC guidance for evaluating health-care personnel for hepatitis B virus protection and for administering postexposure management. MMWR Recomm Rep. 2013;62(RR10):1–19.
  5. Summers CJ, Gooch BF, Marianos DW, Malvitz DM, Bond WW. Practical infection control in oral health surveys and screenings. J Am Dent Assoc. 1994;125:1213–1217.
  6. Bolyard EA, Tablan OC, Williams WW, et al. Guideline for infection control in healthcare personnel, 1998. Infect Control Hosp Epidemiol. 1998;19:407–463.
  7. U.S. Centers for Disease Control and Prevention. Immunization of health-care personnel: recommendations of the Advisory Committee on Immunization Practices (ACIP). MMWR Recomm Rep. 2011;60(RR07):1–45.
  8. Organization for Safety, Asepsis and Prevention. New CDC Summary and Checklist. Available at: osap.org/page/NewCDCSummary. Accessed July 25, 2016.
  9. Cleveland JL, Gray SK, Harte JA, Robison VA, Moorman AC, Gooch BF. Transmission of blood-borne pathogens in U.S. dental health care settings: 2016 Update. J Am Dent Assoc. May 24, 2016. Epub ahead of print.
  10. Cleveland JL, Bonito AJ, Corley TJ, et al. Advancing infection control in dental care settings: factors associated with dentists’ implementation of guidelines from the Centers for Disease Control and Prevention. J Am Dent Assoc. 2012;143:1127–1138.
  11. U.S. Centers for Disease Control and Prevention. Recommendations From the Guidelines for Infection Control in Dental Health-Care Settings — 2003. Available at: cdc.gov/oralhealth/infectioncontrol/pdf/recommendations-excerpt.pdf. Accessed July 25, 2016.
  12. Organization for Safety, Asepsis and Prevention. Role of the ICPC. Available at: osap.org/?page=RoleofICPC. Accessed July 25, 2016.

From Decisions in Dentistry. August 2016;2(08):16–18,21.

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