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. 2024 Jan 8;24:33. doi: 10.1186/s12877-023-04613-7

Table 2.

Study characteristics (N = 62)

Authors (Year) Country: Setting [Ref.#] Study Aims Study Population Inclusion Criteria
Intervention Studies
Little et al. (1997) USA: Community based [53] Effectiveness of group-based behaviour modification intervention on oral hygiene skills, adherence, and clinical outcomes 107 older adults I: 54 C: 53 Age 50–70 years, ≥ 18 teeth, no hepatitis B, diabetes, or immunodeficiency, not taking medications to affect the gingival health or requiring no prophylactic antibiotic premedication
Mojon et al. (1998) Switzerland: Long-term care facility [54] Effectiveness of preventive oral health program

116 residents

I:58

C:58

Age > 65 years
Simons et al. (2001) United Kingdom: Residential home [55] Effectiveness of chlorhexidine acetate/xylitol gum on the plaque and gingival indices 111 residents Age > 60 years, dentate, had not taken antibiotics within 4 weeks
Engfors et al. (2004) Sweden: Clinic based [56] Clinical and radiologic performances of fixed implant-supported prostheses placed in edentulous elderly patients

248 patients

I:133

C:115

Age ≥ 80 years, had implant surgery between January 1986 and August 1998. no bone grafts
Mariño et al. (2004) Australia: Community-based [57] Effectiveness of oral health promotion program on the use of oral health services, oral health knowledge, attitudes, and practices 520 older adults Age > 65 years, Italian or Greek background, attended senior citizens clubs

Wyatt et al. (2004) Canada:

Long-term care [58]

Effectiveness of daily mouth rinse with neutral sodium fluoride or chlorhexidine gluconate in reducing the caries 116 residents Residents having natural teeth; >  3-year life expectancy; ability to use a mouth rinse
Peltola et al. (2007) Finland Hospital [59] Effectiveness of using electric toothbrush and interdental toothbrush 130 participants Chronically ill older patients at last years of life in the hospital
Hakuta et al. (2008) Japan: Senior citizens’ centres [60] Effectiveness of oral function promotion programme in oral health status and oral function

141 older adults

I:79

C:62

Independent elderly attending senior citizens’ activity centres in the Tokyo metropolitan area
Baca et al. (2009) Spain Residential home [61] Effectiveness of a chlorhexidine-thymol varnish on dental root caries 68 residents Age 65 years, >  6 teeth, no serious disease, no intake of antibiotics within 2 weeks

Tan et al.

(2010), Hong Kong: Nursing-home [62]

Effectiveness of four different methods in preventing new root caries 306 residents Residents with > 5 teeth with exposed roots, no serious medical problems, basic self-care ability

Blinkhorn et al. (2011) Australia:

Aged care facility [63]

Introduction of innovative nursing intervention to improve oral health

30 residents

All qualified nur-ses at the ward

Residents with mental health problems
Tashiro et al. (2011) Japan: Nursing home [64] Effectiveness of toothbrushing, tongue cleaning, chlorhexidine use 12 residents Dependent residents w/self-brushing difficulty; > 10 teeth, no dentures
Mariño et al., (2013) Australia: Community based [65] Effectiveness of theory-based oral health promotion intervention by a nondental peer educator 144 older adults I:74 C:70 Age ≥ 55 years, Italian club member, living independently

Van Der Putten et al. (2013)

Netherlands: Care homes [66]

Effectiveness of ‘Oral health care Guideline for the Older population in Long term care institutions’ and a daily oral health care protocol 232 older adults Residents possessing teeth or removable partial/complete dentures, physically suitable for examination & those expected to reside in care home for the entire 6 mos period. Inclusion criteria for care home include: 120–250 beds, somatic & psychogeriatric wards, ≤100 km from the center of The Netherlands

Zenthofer et al. (2013) Germany:

Long-term care [67]

Effectiveness of professional cleaning of tooth and dentures 106 residents Residents with care level 1 or no care level and not suffering from dementia or severe infectious diseases
Zhang et al. (2013) Hong Kong: Community [68] Investigate synergetic use of SDF & OHE 266 older adults Age 60–89 years, able to perform daily self-care, ≥ 5 teeth with exposed root surfaces, no life-threatening diseases
Bonwell et al. (2014) USA: Long-term care & community [69] Interprofessional education (IPE) approach to educate direct health care providers 145 health service providers Students & providers from long-term care and community-licensed health care professionals

Morino et al. (2014) Japan:

Nursing-home [70]

Effectiveness of short-term oral health care on oral microbiological parameters 34 residents Age > 64 years, >  1 tooth
Kammers et al. (2015) Brazil: Condominium for the elderly [71] Effectiveness of individually adapted toothbrush handles in reducing of biofilm on dentures 16 residents Residents in a good state of cognition, wearers of complete maxillary dentures
Khanagar et al. (2015) India: Institutionalized elderly [72] Educating caregivers

322 residents from 7 elderly homes

I:162,

C:160

Residents willing to reside in the institution for up to 6 mos during intervention; > 10 natural teeth or dentures; cognitively & physically fit to undergo oral examination
Komulainen et al. (2015) Finland: Community [73] Effect of oral health-promoting intervention 279 older adults Age > 75 years, from Kuopio, Finland
Ohara et al. (2015) Japan: Community [74] Effectiveness of oral health educational program on oral health and function 47 older adults Age ≥ 65 years

Kim et al.

(2016) South Korea: Long-term care [75]

Effectiveness of oral health promotion program

50 residents

I:33

C:17

Age > 65 years, capable of communication and self-toothbrushing
Mariño et al. (2016) Australia: Community [76] Evaluation of web-based oral health promotion programme 47 older adults Age ≥ 55 years, from Whittlesea, functioning independently

Avellaneda et al. (2017) Colombia:

Social protection centres [77]

Oral health education strategy: design & implementation 68 residents

Age > 60 years,

good mental & physical health

Deutsch et al. (2017) Australia: Aged care facility [78] Advanced oral health training to nurses to integrate individualised oral care plans

8 residents

4 staff (nurse/ assistants)

Early dementia residents

Nurses with > 4 years of aged care nursing experience, no prior oral health interventions education

Ildarabadi et al. (2017) Iran: Nursing-home [79] Effectiveness of oral health care program

101 residents

I:46

C: 55

31 caregivers

Residents with no dental and medical interventions within 3 mos

Nihtila et al. (2017) Finland:

Community [80]

Effectiveness of tailored preventive oral health intervention 269 older adults Age > 75 years community-based home care clients from 3 communities in Eastern and Central Finland
Sakashita et al. (2017) Japan: Community [81] Evaluation of program fostering a self-management ability 150 older adults Age ≥ 60 years

Schwindling et al. (2017) Germany:

Nursing home [82]

Effectiveness of oral health education and use of ultrasonic devices for denture cleaning 269 residents Participants whose target variables could not be evaluated were excluded (e.g., edentulous residents without dentures)

Fjeld et al. (2018) Norway:

Nursing home [83]

Longer term effect of tooth brush use as per residents’ own preference 204 residents Those residents having 6 or more natural teeth

Janssens et al. (2018) Belgium:

Nursing home [84]

Impact of an oral healthcare program in nursing homes on the initial treatment backlog and residents’ oral health stability 381 residents Residents who visited the mobile dental clinic for a first consultation between October 2010 (i.e., when Gerodent started) and April 2012.

Lavigne et al. (2018) Canada:

Nursing home [85]

Effectiveness of twice-daily use of rotating-oscillating power toothbrush in periodontal inflammation 59 residents Those residents having 6 or more natural teeth

Marchini et al. (2018) USA:

Nursing home [86]

Evaluate feasibility to test clinical and microbiological effectiveness of a nursing facility 81 residents All residents

Seleskog et al. (2018) Sweden:

Nursing home [87]

Effectiveness of oral health care education program

37 residents

(I:15, C: 22)

53 staff (I:23, C = 30)

Residents

Berniyanti et al. (2019) Indonesia:

Nursing home [88]

Effectiveness of counselling and training on toothbrushing for full/partial edentulous teeth 12 residents Older adults from the selected nursing homes

Iwao et al. (2019) Japan:

Community [89]

Effectiveness of oral health prevention program (3 month) 43 older adults

Age ≥ 65 years

Exclusions: on long-term support, stroke related motor paralysis

Keyong et al. (2019) Thailand: Community [90] Effectiveness of an oral health promotion program 162 older adults Age 60–74, ≥ 6 teeth, no disability
Leon et al. (2019) Chile: Community [91] Effectiveness of toothbrushing with 5000 ppm versus 1450 ppm fluoridated dentifrice 345 older adults Age ≥ 60 years, from areas with fluoridated water (0.7 ppm F), independently-living
Laurence et al. (2019) USA: Long-term care [92] Effectiveness of checklist for oral care

32 residents

I:19

C:13

English speaking patients, >  4 teeth

Saleem et al. (2019) Japan:

Hospital [93]

Effectiveness of lip trainer device (Group P) & sonic toothbrush (Group S). Control group (Group C)

39 patients

Group P:13

Group S:13

Group C:13)

≥60 years, ≥20 teeth, with periodontal disease referred to hospital between April 2013 & Dec 2016
Tellez et al. (2019) USA: Dental clinics [94] Examining treatment fidelity of an individual-based MI intervention 60 patients Age ≥ 55 years, attending dental clinics appointment
Tellez et al. (2020) USA: Attending the dental clinics [95] Efficacy of individualised ‘Motivational Interviewing’ approach to oral health education 180 patients Age ≥ 55 years, fluent in English, with scheduled dental appointment
Ting et al. (2019) Taiwan: Community [96] Effectiveness of an oral health educational programme 539 older adults Age ≥ 65 years, can perform oral function exercises

Johansson et al. (2020)

Sweden:

Nursing home [97]

Feasibility of oral health coaching programme 33 staff (I: 24 and C: 9) and 46 residents (I: 30 and C: 16) Staff and all residents

Konstantopoulou et al. (2020)

Greece:

Nursing home [98]

Design, implement, and evaluate oral health education program for nursing home caregivers 55 caregivers (I:28, and C:27) Caregivers
Lee et al. (2020) South Korea: Nursing home [99] Effectiveness of oral health care program 135 residents (45 per group) Age ≥ 65 years not received any dental care within 6 mos.
Lee et al., (2020) South Korea: Community [100] Effects of oral health education programme utilising a workbook 120 older adults (I:40, 40 and C:40) Age ≥ 65 years, able to read Korean, able to walk/move

Ho et al., (2021)

The Netherlands: Community [101]

Early recognition of decreased oral health status and establishing a need for interprofessional care 407 older adults and 50 healthcare professionals Community-dwelling frail older people Healthcare professionals from general practice, a dental practice, home care organization
Ki et al., (2021) South Korea: Community [102] Effectiveness of oral health education using a mobile app (OHEMA) on oral health & SWAL-QoL 46 older adults (I:24 and C:22) Able to communicate without linguistic, auditory or visual impairment, normal cognitive ability
Lee et al., (2021) South Korea: Senior welfare centre [103] Effectiveness of oral health education programme 90 older adults Age > 65 years, able to read and understand Korean

Northridge et al., (2021)

USA: Community [104]

Acceptability of a community health worker intervention on oral health 74 older adults Older Chinese Americans (Chinese immigrants)
Peroz & Klein (2021) Germany: Residential/ retirement home [105] Investigate influence of quarterly professional dental hygiene treatment 160 (Home A: 99 and Home B: 61) All residents
Patel et al. (2021) UK: Residential/ nur-sing care homes [106] Introducing risk-based preventative OH program 49 residents Age > 65 years
Pawluk et al. (2021) Canada: Residential care facility [107] Impact of online oral health education module on personal support workers’know-ledge and beliefs 109 (88 residents for Quant; 21for Qual data collection) All personal support workers
Sun et al., (2021) Taiwan: Community [108] Effectiveness of easy-to-read health education materials to improvement oral heath literacy 129 older adults (I:72 and C:57) Age ≥ 60 years, communicating in Mandarin Chinese/Taiwanese Hokkien
Wanyonyi et al., (2021) UK: Primary dental care centre [109] Comparison of acceptability and perceived helpfulness of an e-oral health intervention 150 patients (I:76 and C:74) Age ≥ 65 years dentate; communicate in English
Observational study

Strayer

(1991)

USA: State level [110]

Explore existing and possible future oral health programs 48 participants State level dental directors or dental program managers (If none: health department administrators

Chalmers et al. (2005) Australia:

Mixed samples (RACFs/dental professionals/ health educators) [111]

Usefulness and appropriateness of the Practical Oral Care Video 294 video purchasers Practical Oral Care video purchasers
McAnulla et al. (2018) UK: Nursing home [112] Assess caregivers’ awareness & knowledge on oral health care N/A N/A
Lee et al., (2021) South Korea: Nation- wide [113] Assess the denture procedure among the older adults 17,264 older adults Age ≥ 65 years, under National health insurance

Comparative/

Review Study

Tynan et al. (2018) Australia: Aged care facilities [114] Impact and experience of integrated approach to oral health 252 residents (111 in integrated model (IM) and 141 without IM) All residents

C Control group participants, Intervention group participants, SDF Silver diamine fluoride, SWAL-QoL Swallowing related quality of life