Table 1.
Characteristics of the study subjects and the dental procedures performed.
| Dental handpieces∗ | Periodontal operations∗∗ | Oral examination | Other dental operations∗∗∗ | |
|---|---|---|---|---|
| Number of measured procedures | 44 | 91 | 52 | 66 |
| Number of patients | 28 | 48 | 52 | 46 |
| Females (%) | 24 (55 %) | 52 (57 %) | 30 (58 %) | 40 (61 %) |
| Age (mean, SD) | 62.2 (13.8) | 51.9 (14.3) | 51.1 (17.9) | 47.6 (15.2) |
| Length of procedure (min, median, IQR) | 4.3 (2.2–7.7) | 13.0 (5.0–26.26.9) | 12.7 (6.9–19.5) | 1.6 (1.0–3.2) |
| Number of operation rooms measured | 6 | 5 | 6 | 5 |
| Procedure done/diagnosis (ICD-code) | K02.1 (dentin caries) | K05.30 (chronic periodontitis) and K05.31 (chronic severe periodontitis) | K05.30 (chronic periodontitis) and K05.31 (chronic severe periodontitis), K02.1 (dentin caries), K04.5 (apical periodontitis) and K04.0 (pulpitis) | K05.30 (chronic periodontitis) and K05.31 (chronic severe periodontitis), K02.1 (dentin caries), K04.5 (apical periodontitis) and K04.0 (pulpitis) |
∗
Dental handpieces include air turbine handpiece, low-speed dental handpiece, and high-speed dental handpiece.
∗∗
Periodontal operations include ultrasonic scaler and manual periodontal treatment.
∗∗∗
Other dental operations include local and topical anesthesia, intraoral X-ray and root canal treatment.