|
| Publication | Country | Research design | Population | Results of PD patients when compared to controls | OR | 95% CI | P |
|
| Nakayama et al., 2004 [19] | Japan | Questionnaire survey by mail | 104 with PD
191 controls | Gender- and age-adjusted: | | | |
| More chewing difficulties | 6.0 | 2.8–12.8 | |
| More denture discomfort | 3.9 | 1.9–8.0 | |
| More edentulousness | 3.5 | 1.8–6.8 | |
| Less daily denture care | 10.5 | 2.9–37.3 | |
| 50% swallowing problems | | | |
|
| Schwarz et al., 2006 [20] | Germany | Case-control, age-matched | 70 with PD
85 controls | Higher scores on indices of the Community Periodontal Index for Treatment Needs (CPITN) | | | <0.05 |
|
| Einarsdóttir et al., 2009 [21] | Iceland | Case-control | 67 with PD
55 controls | Lower number of teeth | | | <0.036 |
| More dental carious lesions | | | <0.007 |
| More biofilm | 3.13 | 1.4–6.9 | <0.004 |
| Poorer periodontal health | 2.28 | 1.0–4.9 | 0.035 |
| Greater number of cariogenic bacteria in saliva | | | <0.05 |
|
| Hanaoka and Kashihara, 2009 [22] | Japan | Case-control, age-matched | 89 with PD
68 mild cognitively
impaired
60 with ischemic stroke | Lower number of teeth | | | <0.05 |
| More dental carious lesions | | | <0.001 |
| More deep periodontal | | | <0.001 |
| pockets | | | |
|
| Bakke et al., 2011 [23] | Denmark | Case-control, age-matched, gender-matched | 15 with moderate to advanced PD
15 controls | Overall objective orofacial function | | | <0.001 |
| Poorer subjective masticatory ability | | | <0.001 |
| Poorer active mouth opening | | | <0.001 |
| More negative impact of oral health on daily life | | | <0.001 |
|
| Müller et al., 2011 [24] | Germany | Case-control | 101 with PD
75 controls | Lower gingival index | | | <0.001 |
| Lower frequency of daily tooth brushing | | | <0.01 |
| More dental carious lesions | | | <0.01 |
| Longer time since last dental visit | | | <0.001 |
| Lower salivary flow rate | | | <0.001 |
| More gingival recession | | | <0.001 |
| More tooth mobility | | | <0.001 |
|
| Cicciù et al., 2012 [25] | Italy | Case-control, age-matched | 45 with mild to moderate PD
45 controls | More dental carious lesions | | | not reported |
| Higher gingival index | | | not reported |
| Higher sulcus bleeding index | | | not reported |
| Higher biofilm index | | | not reported |
|
| Pradeep et al., 2015 [26] | India | Case-control, age-matched | 45 with PD
46 controls | More periodontal pockets | | | <0.001 |
| More periodontal attachment loss | | | <0.001 |
| Lower gingival index | | | <0.001 |
| Lower biofilm index | | | <0.001 |
|
| Ribeiro et al., 2016 [27] | Brasil | Case-control | Wearers of complete removable dental prostheses 17 with PD
20 controls | Poorer self-perception of oral health | | | <0.04 |
|
| Barbe et al., 2017 [28] | Germany | Questionnaire survey | 100 with PD
Frequencies compared with results of other studies | Poorer oral health impact profile, among others due to complaints of xerostomia, drooling and dysphagia | | | |
|
