Figure 1.
Mean number of teeth in both arches across age groups_
| Scale | UPPER ARCH | LOWER ARCH | ||||||
|---|---|---|---|---|---|---|---|---|
| 65–69 years | 70–74 years | >75 years | All | 65–69 years | 70–74 years | >75 years | All | |
| Men | 3.2 (4.2) | 2.0 (4.1) | 1.4 (2.8) | 1.9 (3.5) | 5.4 (5.6) | 2.3 (4.0) | 1.9 (3.6) | 2.7 (4.3) |
| Women | 3.0 (4.7) | 2.5 (4.0) | 2.0 (4.0) | 2.3 (4.1) | 3.8 (4.7) | 2.6 (4.3) | 2.2 (4.0) | 2.5 (4.2) |
| All | 3.1 (4.5) | 2.3 (4.0) | 1.8 (3.7) | 2.1 (3.9) | 4.4 (5.1) | 2.5 (4.2) | 2.1 (3.9) | 2.6 (4.2) |
Number of subjects and mean number of teeth by education level (n=301)_
| Education level | N (%) | Mean age | Mean number of teeth | Number of edentulous | p-value | |
|---|---|---|---|---|---|---|
| DM | 0 | 363 (82) | 79.9 | 4.9 | 0.031 | |
| 1 | 82 (18) | 78.7 | 3.6 | 60 | ||
| CVD | 0 | 118 (27) | 77.6 | 6.0 | 0.025 | |
| 1 | 327 (73) | 80.4 | 4.2 | 210 | ||
| Respiratory diseases | 0 | 403 (28) | 79.4 | 4.7 | 0.407 | |
| 1 | 42 (9) | 81.9 | 4.7 | 22 | ||
| Rheumatic diseases | 0 | 413 (93) | 79.4 | 4.7 | 0.515 | |
| 1 | 32 (7) | 83.3 | 4.0 | 16 | ||
| Post oncologic treatment | 0 | 405 (91) | 79.7 | 4.9 | 0.019 | |
| 1 | 40 (9) | 79.1 | 2.7 | 32 | ||
| Neurologic diseases | 0 | 403 (91) | 79.2 | 4.7 | 0.800 | |
| 1 | 42 (9) | 84.7 | 4.4 | 24 | ||
| Psychiatric diseases | 0 | 388 (87) | 79.2 | 4.6 | 0.886 | |
| 1 | 57 (13) | 83.2 | 5.0 | 35 | ||
| Thyroid diseases | 0 | 385 (87) | 79.6 | 4.9 | 0.043 | |
| 1 | 60 (13) | 80.0 | 3.1 | 44 | ||
| Prostate diseases | 0 | 403 (91) | 79.5 | 4.8 | 0.513 | |
| 1 | 42 (9) | 81.0 | 3.6 | 27 | ||
| Osteoporosis | 0 | 378 (85) | 78.7 | 4.8 | 0.573 | |
| 1 | 67 (15) | 85.0 | 4.2 | 43 |
Mean age, BMI, and number of medications in the studied population with linear regression results_
| All (n=445) | All (n=445) | Men (n=153) | ||||
|---|---|---|---|---|---|---|
| Mean (SD) | Beta coef. (sig.)* | Mean (SD) | Beta coef. (sig.)* | Mean (SD) | Beta coef. (sig.)* | |
| Age [years] | 79.7 (8.9) | −0.185 (p<0.001) | 77.7 (8.1) | −0,312 (p<0.001) | 80.7 (9.1) | −0.134 (p= 0.11) |
| BMI [kg/m2] | 26.9 (4.2) | −0.085 (p=0.325) | 27.2 (3.9) | −0.055 (p=0.717) | 26.8 (4.3) | −0.109 (p=0.307) |
| Number of medications | 3.9 (3.8) | 0.163 (p= 0.116) | 3.2 (2.9) | 0.205 (p=0.332) | 4.4 (4.0) | 0.140 (p=0.250) |
Distribution of the elderly with specific diseases and mean number of teeth, stratified by sex_
| Total (n=445) | Men (n=153) | Women (n=292) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| n/% | Number of edentulous | Mean number of teeth | n/% | Number of edentulous | Mean number of teeth | n/% | Number of edentulous | Mean number of teeth | |
| DM | 82/18 | 60 | 3.6 (7.2) | 29/19 | 22 | 2.6 (6.0) | 53/18 | 38 | 4.1 (7.8) |
| CVD | 327/73 | 210 | 4.2 (7.4) | 114/75 | 69 | 4.1 (6.6) | 213/73 | 141 | 4.3 (7.8) |
| Respiratory diseases | 42/9 | 22 | 4.7 (7.2) | 14/9 | 9 | 2.7 (5.0) | 28/10 | 13 | 5.7 (8.0) |
| Rheumatic diseases | 32/7 | 16 | 4.0 (6.0) | 6/4 | 1 | 9.5 (7.4) | 26/9 | 15 | 2.8 (4.9) |
| Post oncologic treatment | 40/9 | 32 | 2.7 (6.3) | 12/8 | 8 | 3.7 (6.8) | 28/10 | 24 | 2.3 (6.2) |
| Neurologic diseases | 42/9 | 24 | 4.4 (7.8) | 9/6 | 6 | 2.4 (4.2) | 33/11 | 18 | 4.9 (8.5) |
| Psychiatric diseases | 57/13 | 35 | 5.0 (8.0) | 8/5 | 4 | 5.5 (7.2) | 49/17 | 31 | 4.9 (8.2) |
| Thyroid diseases | 60/13 | 44 | 3.0(6.1) | 5/3 | 3 | 5.2 (7.4) | 55/19 | 41 | 2.9 (6.0) |
| Prostate diseases | 42/9 | 27 | 3.6 (6.1) | 42/27 | 27 | 3.6 (6.0) | / | / | / |
| Osteoporosis | 67/15 | 43 | 4.2 (7.2) | 1/<1 | 0 | 14 | 66/23 | 43 | 4.0 (7.2) |
Comparison of mean age and mean number of teeth between two groups with p-values_
| Education level | n/(%) | Mean age | Mean number of teeth | p-value | |
|---|---|---|---|---|---|
| Insulins | 0 | 427 | 79.7 | 4.5 | 0.056 |
| 1 | 18 | 80.1 | 8.6 | ||
| Antidiabetics | 0 | 389 | 79.8 | 5.0 | 0.004 |
| 1 | 56 | 78.5 | 2.7 | ||
| Antihypertensives | 0 | 206 | 78.1 | 5.0 | 0.322 |
| 1 | 239 | 81.0 | 4.4 | ||
| Diuretics | 0 | 377 | 78.9 | 4.6 | 0.600 |
| 1 | 68 | 83.7 | 5.2 | ||
| Statins | 0 | 309 | 79.6 | 4.2 | 0.067 |
| 1 | 136 | 79.9 | 5.8 | ||
| Cardiac therapy drugs | 0 | 299 | 78.4 | 4.9 | 0.294 |
| 1 | 146 | 82.4 | 4.3 | ||
| Antiresorptives | 0 | 407 | 79.4 | 4.7 | 0.861 |
| 1 | 38 | 83.1 | 4.0 | ||
| Chemotherapeutics | 0 | 435 | 79.8 | 4.8 | 0.174 |
| 1 | 10 | 76.1 | 1.3 | ||
| Immunosuppressives | 0 | 435 | 79.6 | 4.6 | 0.777 |
| 1 | 10 | 82.3 | 5.9 | ||
| Adrenergics | 0 | 418 | 79.6 | 4.7 | 0.920 |
| 1 | 27 | 80.2 | 4.4 | ||
| Antithrombotics | 0 | 383 | 79.1 | 4.7 | 0.955 |
| 1 | 62 | 83.5 | 4.8 | ||
| Psychoanaleptics | 0 | 401 | 79.3 | 4.6 | 0.717 |
| 1 | 44 | 83.4 | 5.1 | ||
| Analgesics | 0 | 375 | 78.6 | 4.4 | 0.022 |
| 1 | 70 | 85.3 | 6.3 | ||
| Anticonvulsants | 0 | 426 | 79.5 | 4.6 | 0.327 |
| 1 | 19 | 82.6 | 5.4 | ||
| Psycholeptics | 0 | 387 | 78.6 | 4.7 | 0.504 |
| 1 | 58 | 86.6 | 4.3 | ||
| Other nervous system drugs | 0 | 436 | 79.6 | 4.6 | 0.594 |
| 1 | 9 | 83.2 | 6.6 | ||
| Drugs used in benign prostatic hypertrophy | 0 | 412 | 79.5 | 4.8 | 0.303 |
| 1 | 33 | 82.1 | 3.5 | ||
| Thyroid therapy drugs | 0 | 402 | 79.6 | 4.8 | 0.123 |
| 1 | 43 | 80.5 | 3.3 |