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Nursing Research and Practice
Volume 2012 (2012), Article ID 372617, 7 pages
Oral Health and Hygiene Content in Nursing Fundamentals Textbooks
School of Nursing, The Pennsylvania State University, 201 Health and Human Development East, University Park, PA 16802, USA
Received 26 November 2011; Accepted 5 February 2012
Academic Editor: Mary George
Copyright © 2012 Rita A. Jablonski. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
The purpose of this paper is to describe the quantity and quality of oral hygiene content in a representative sample of before-licensure nursing fundamentals textbooks. Seven textbooks were examined. Quantity was operationalized as the actual page count and percentage of content devoted to oral health and hygiene. Quality of content was operationalized as congruency with best mouth care practices. Best mouth care practices included evidence-based and consensus-based practices as published primarily by the American Dental Association and supported by both published nursing research and review articles specific to mouth care and published dental research and review articles specific to mouth care. Content devoted to oral health and hygiene averaged 0.6%. Although the quality of the content was highly variable, nearly every textbook contained some erroneous or outdated information. The most common areas for inaccuracy included the use of foam sponges for mouth care in dentate persons instead of soft toothbrushes and improper denture removal.
Oral hygiene is vitally important because oral health is directly related to systemic health [1–3]. Poor oral health results in plaque buildup and inflammation of the gingiva. Plaque harbors pathogens associated with pneumonia . In fact, poor oral hygiene has been linked to ventilator-associated pneumonia across the lifespan [5, 6]. Inflammation of the gingival tissues, either with or without periodontal disease, has been related to adverse outcomes in pregnancy, such as premature-birth and low-birth-weight infants . Other systemic diseases associated with inadequate oral hygiene and resulting poor oral health include diabetes [8–10] and coronary artery disease . Inadequate oral health negatively impacts quality of life and mortality, as well .
In 1986, Jones et al. surveyed nursing schools in the New England region to determine the quantity of oral health in both undergraduate and graduate curricula . At the undergraduate level, Jones et al. reported an hour or less of overall oral health content in the entire curricula for 50% of the surveyed schools . Fourteen percent of the undergraduate programs included 2 to 3 hours of oral health content specific to older adults; the remaining schools reported zero to 1 hour . More recent reports of oral health content in undergraduate/predoctoral nursing, medical, and pharmacy schools show little, if any, improvement. Nearly 60 percent of educators in nursing, medicine, and pharmacology in English-speaking universities around the world currently describe their curricula in oral health as insufficient .
In 2009, at the request of the Department of Health and Human Services (DHHS), the Institute of Medicine convened an oral health panel. The panel, The Committee on an Oral Health Initiative, was charged with “assessing the current oral health care system, reviewing the elements of an HHS Oral Health Initiative, and exploring ways to promote the use of preventive oral health interventions and improve oral health literacy [15, page vii]. Members of the committee invited experts to share their experiences and perspectives during public meetings held across the United States. One area that members of the committee explored was the important contributions nondental clinicians make to the prevention, diagnosis, and treatment of oral diseases .The committee-desired information regarding the quantity and quality of oral health content in nursing education because nurses are responsible for either providing oral hygiene for their patients or supervising and delegating this task to unlicensed personnel . This author was invited to address the committee and discuss the quantity and quality of oral health content in nursing education. In order to substantiate the content of the presentation, a search of nursing fundamentals textbooks was conducted in order to describe both the quantity and quality of oral hygiene content. Thus, the purpose of this paper is to describe the quantity and quality of oral hygiene content in before-licensure nursing fundamentals textbooks.
2. Materials and Methods
2.1. Search Description
The purpose of this search was to obtain a representative sample of nursing fundamental textbooks in order to describe the quantity and quality of oral hygiene content. The Google search engine was used to conduct the textbook search because it interfaced with content found in the Google Book Projects. In 2007, Google and the Committee on Institutional Cooperation (CIC), a consortium of 12 universities, entered into a partnership that would allow Google to convert the millions of books owned by CIC libraries to electronic formats . The goal was to digitize 10 million volumes. Many textbooks were not fully digitized due to copyright restraints, but the titles, table of contents, and other information are available for searching . The search terms “nursing,” “fundamentals,” and “textbook” were used in the search. Only textbooks in English published from 2006 through 2010 were included; when multiple editions were identified, only the most recent edition was included in the sample. The intended audience for the textbooks was before-licensure registered nursing students; textbooks for before-licensure practical nursing students or nursing assistants were excluded. Study guides or companion books to the primary textbooks were excluded. Additionally, the same search terms and criteria were used to search Amazon and Barnes & Noble websites. No additional textbooks were identified. Finally, if a publisher of any nursing textbooks did not appear in these searches (such as SAGE), the website was searched as well. Seven fundamental textbooks were identified using these criteria.
The textbooks were obtained via interlibrary loan. Quantity was operationalized as the actual page count and percentage of content devoted to oral health and hygiene in order to determine the quantity of oral hygiene content. Percentages were obtained by dividing the actual page count by the total pages of content and multiplying by 100. Total page count was determined by the last page of actual content, excluding indices, appendices, glossaries, and bibliographies. Quality of content was operationalized as congruency with best mouth care practices. Best mouth care practices included evidence-based and consensus-based practices as published primarily by the American Dental Association [18, 19] and supported by both published nursing research and review articles specific to mouth care and published dental research and review articles specific to mouth care [5, 6, 16, 20–28]. For example, nurse researchers have demonstrated the efficacy of specific oral health protocols, such as the use of soft toothbrushes instead of foam swabs for both dentate and edentate persons [27, 29–32]. Chalmers et al.  published a comprehensive evidence-based protocol for oral hygiene care targeting older adults with functional and cognitive impairments. Thus, contents in the nursing fundamental textbooks were examined for content congruent with oral hygiene practices tested and endorsed by nurses, dental hygienists, and dentists.
3. Results and Discussion
Seven textbooks meeting the search criteria were obtained and are listed in Table 1. The percentage of oral health and hygiene content ranged from 0.27%  to 1.10%  with an average of 0.6%. Assessment of the oral cavity ranged from a few sentences  to 3.3 pages . The assessment content in three textbooks [33, 35, 36] contained no information about assessing dentures for fit, integrity, or plaque. Potter and Perry  and Wilkinson and Van Leuven  offered the most complete information pertinent to oral health assessment. Potter and Perry  alone clearly articulated the oral-systemic link. This textbook also provided the clearest instructions for oral care with an unconscious or mechanically ventilated patient, for example, instructing the nurse to use an oral airway to keep the mouth of an unconscious or debilitated patient open. Three textbooks suggested using a tongue blade wrapped in gauze, which is not the safest or most comfortable approach [33, 35, 38]. Wilkinson and Van Leuven , on the other hand, recommended either the use of a tongue blade wrapped in gauze or a bite block.
One textbook contained no information on how to correctly floss or brush teeth  such as brush at a 45 degree angle and use short strokes . The same textbook, however, offered a recipe for toothpaste (2 parts baking soda, one part salt) without referencing the source of this information. The remaining six textbooks provided information on correct brushing techniques. On the other hand, content about flossing was problematic. The American Dental Association  recommends using 18 inches of string floss, winding the bulk of the floss around a finger of the nondominant hand, and using the dominant hand to spool the floss and take up the soiled sections as different teeth are flossed. While string floss is acceptable when assisting a cognitively intact patient with mouth care, floss holders and interdentate brushes are better choices when providing mouth care to dependent patients or those with cognitive impairments. In fact, the American Dental Association  does suggest floss holders and interdentate brushes for persons who have difficulty using string floss. Interdentate brushes, also called proximal brushes, resemble plastic toothpicks but with spiral shaped brushes on the end. These brushes are also perfect for nurses providing mouth care to fully dependent patients because the brushes allow the nurse to floss if the patient is unable or unwilling to open his or her mouth . Furthermore, the use of interdentate brushes prevents bite injuries because the nurses’ fingers are not in patients’ mouths. In spite of these considerations, the authors of one textbook directed nurses to use string floss, instead of floss holders or interdentate brushes, when caring for a dependent patient . The use of floss heads was recommended by Lynn  and Wilkinson and Van Leuven . No textbooks contained recommendations for the use of interdentate brushes. Lynn  erroneously advised nurses to use 6 inches of string floss instead of the 18 inches as advised by the American Dental Association . Flossing information provided by Delaune and Ladner  appeared contradictory. In one section of the textbook, nurses were advised to refrain from flossing the teeth of patients who were fully dependent on others for care. In another section, nurses were instructed to use floss holders when flossing the teeth of comatose patients.
Another problematic content area was the use of foam sponges in lieu of soft toothbrushes. Foam sponges do not remove plaque and debris as efficiently or completely as soft toothbrushes. Soft toothbrushes can be safely used for dentate patients, even unconscious ones . In spite of the availability of this information since the mid-seventies , the use of foam sponges to provide oral hygiene was endorsed in some of the textbooks. Craven and Hirnle  and DeLaune and Ladner  advocated the use of a foam sponge to clean the teeth of dependent or unconscious patients. Wilkinson and Van Leuven  and Potter and Perry  explicitly stated that soft toothbrushes were superior to foam sponges but still recommended their usage.
Regular toothpaste can contain particles that scratch acrylic denture material; the American Dental Association  recommends that regular toothpaste be avoided and suggests the use of household dish cleaning liquid for cleaning dentures. The authors of five textbooks promoted the use of toothpaste for denture cleaning [33, 34, 36, 38, 39]. Taylor et al.  provided no information on denture removal; the remaining six textbooks recommended the removal of top dentures first, followed by bottom dentures. In the dental and nursing literature, clinicians recommend removing the bottom denture first because it is easier to remove and minimizes bite risk for the caregiver [20, 22, 23]. Dentures also must be removed overnight to avoid damage to gingival surfaces and to prevent the growth of thrush on the hard palate. Yet, this important information was missing from two of the seven textbooks [34, 38].
Only one textbook, Lynn , included content about oral hygiene and cognitively impaired older adults, but was vague regarding the best way to address care-resistant behavior. Given the aging of the American population [15, 41], registered nurses will find themselves caring for greater numbers of older adults and, very likely, older adults with cognitive impairments. All seven of the reviewed textbooks directed nurses to refer any dental problems, such as broken and loose teeth or poorly fitting dentures, to a dental professional.
This review was an attempt to systematically describe the quantity and quality of oral hygiene content in a representative sample of before-licensure nursing fundamentals textbooks. A strength of the search strategy was the use of identical search terms within multiple sources, which should have resulted in a representative sample of nursing fundamentals textbooks meeting the inclusion criteria. On the other hand, there is no primary database from which to identify nursing fundamentals textbooks. In spite of searching in a methodical manner and replicating the search within several sources, there exists the possibility that textbooks meeting the inclusion criteria may have been overlooked. Another limitation of this paper was the use of textbook titles and descriptions, and not the actual textbooks, in order to determine if the textbooks met the inclusion criteria before being obtained via interlibrary loan. It is possible that textbooks meeting the inclusion criteria may have been inadvertently excluded if the available title and description did not fully convey the intended audience or content.
4. Conclusion and Recommendations
In conclusion, the oral health and hygiene content in these seven nursing fundamental textbooks were highly variable in quantity and quality. One challenge faced, by nurse authors writing the chapters and by nurse educators evaluating the content in the textbooks, was the lack of evidence-based guidelines addressing oral health and hygiene. For example, the sole evidence-based guidelines regarding the care and maintenance of dentures became available in 2011 . These guidelines, however, do not provide concrete directives for the length of time dentures should be daily removed “While existing studies provide conflicting results, it is not recommended that dentures should be worn continuously (24 hours per day) in an effort to reduce or minimize denture stomatitis” [42, page S3]. Given the difficulty of obtaining accurate oral health and hygiene information without systematically poring through the dental and nursing literature, nurse educators are encouraged to engage in partnerships with dental professionals, especially those teaching in dental hygiene programs. In one such partnership, for example, dental hygiene faculty and students provided expertise in oral health assessments, while the nursing faculty and students shared their geriatric expertise with the entire team . Nurse educators are also encouraged to incorporate the use of current clinical practice guidelines if the available textbooks do not contain the appropriate oral health content. Finally, it is imperative for nurse researchers involved in oral health and hygiene activities to actively engage in the dissemination of accurate information through publication and presentations. One such venue is the Oral Health Nursing Education & Practice Initiative within the New York University’s College of Nursing at the College of Dentistry. This initiative was launched in April, 2011, and one of its goals includes disseminating best oral care practices to nurse educators .
Oral health and hygiene has been an area overlooked in overall nursing education, but the growing body of research linking poor oral health to systemic diseases merits the need for added emphasis on the provision of oral hygiene [1–3]. In clinical practice, registered nurses provide oral hygiene either directly or supervise the provision of oral hygiene by others. Registered nurses who were not taught best mouth care practices may be providing inadequate mouth care as well as inadvertently promoting poor mouth care by unlicensed care personnel, who are dependent upon the knowledge and direction of registered nurses. It is important, therefore, for registered nurses to use current clinical mouth care practice guidelines.
This study was supported by the Brookdale Foundation and the National Institutes of Health/National Institute of Nursing Research (NIH/NINR) 1R01NR012737-01.
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