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The aim of the present randomized and single-blinded cross-over study was to compare the cleansing efficacy of waist-shaped interdental brushes with that of cylindric interdental brushes in interproximal sites.
Brushing efficacy of cylindric and waist-shaped interdental brushes was evaluated in a randomized, controlled, examiner-blinded, two-period crossover study. 20 periodontal maintenance patients of the University Hospital of Dental Prosthetics and Restorative Dentistry were recruited. Each subject was asked to attend three appointments. In the first visit (day one), baseline plaque and bleeding indices were assessed. Each proband was instructed by the same experienced dental hygienist with two sizes of waist-shaped and cylindric interdental brushes, respectively. Primary outcome measure plaque index and secondary outcome measure papillary bleeding index were assessed by two blinded and calibrated examiners at four sites per tooth.The odds ratio and confidence interval for establishing plaque free interdental sites were calculated with logistic regression analysis.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| waist-shaped interdental brush | Active Comparator | waist-shaped interdental brush, use four times per interdental space |
|
| cylindric interdental brush | Active Comparator | cylindric interdental brush, use four times per interdental space |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| waist-shaped interdental brush | Device | use four times each per interdental space |
|
| Measure | Description | Time Frame |
|---|---|---|
| Turesky modification of the Quigley and Hein Plaque Index | This is a plaque index scored as 0 = no plaque; 1 = slight flecks of plaque at the cervical margin of the tooth; 2 = a thin continuous band of plaque (1 mm or smaller) at the cervical margin of the tooth; 3 = a band of plaque wider than 1 mm but covering < 1/3 of the crown of the tooth; 4 = plaque covering at least 1/3 but < 2/3 of the crown of the tooth or 5 = plaque covering 2/3 or more of the crown of the tooth. A higher grade is worse (more plaque) than a lower grade. After measuring plaque grades on four sites per tooh, the mode is calculated, which is defined as the plaque grade most often measured in an individual. | 11 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| papillary bleeding index by Saxer and Mühlemann | A periodontal probe is inserted into the gingival sulcus at the line angle on the mesial and distal aspect of the papilla and then moved coronally to the papilla tip (score 0 - no bleeding; score 1 - a single discreet bleeding point; score 2 - several isolated bleeding points or a single line of blood; score 3 - the interdental triangle fills with blood; score 4 - profuse bleeding occurs after probing and flows immediately into the marginal sulcus). A higher bleeding grade is worse (more inflammed tissues) than a lower grade. After measuring papillary bleeeding grades on four sites per tooh, the mode is calculated, which is defined as the papillary bleeding grade most often measured in an individual. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Ines Kapferer-Seebacher, Professor | Medical University Innsbruck | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Medical University of Innsbruck | Innsbruck | 6020 | Austria |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 22146002 | Background | Chongcharoen N, Lulic M, Lang NP. Effectiveness of different interdental brushes on cleaning the interproximal surfaces of teeth and implants: a randomized controlled, double-blind cross-over study. Clin Oral Implants Res. 2012 May;23(5):635-40. doi: 10.1111/j.1600-0501.2011.02387.x. Epub 2011 Dec 6. | |
| 5264376 | Background |
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| Prot_SAP | Yes | Yes | No | Study Protocol and Statistical Analysis Plan | Oct 10, 2017 | Feb 20, 2019 | Prot_SAP_000.pdf |
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| ID | Term |
|---|---|
| D055113 | Chronic Periodontitis |
| ID | Term |
|---|---|
| D010518 | Periodontitis |
| D010510 | Periodontal Diseases |
| D009059 | Mouth Diseases |
| D009057 | Stomatognathic Diseases |
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Randomised, controlled, examiner-blinded, two-period crossover study
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| cylindric interdental brush | Device | use four times each per interdental space |
|
|
| 11 weeks |
| Turesky S, Gilmore ND, Glickman I. Reduced plaque formation by the chloromethyl analogue of victamine C. J Periodontol. 1970 Jan;41(1):41-3. doi: 10.1902/jop.1970.41.41.41. No abstract available. |
| 351174 | Background | Saxer UP, Turconi B, Elsasser C. Patient motivation with the papillary bleeding index. J Prev Dent. 1977 Jul-Aug;4(4):20-2. No abstract available. |
| 31609489 | Derived | Schnabl D, Goebel G, Kadletz A, Gaenzer H, Steiner R, Laimer J, Kapferer-Seebacher I. Cleansing efficacy of waist-shaped inter-dental brushes. A randomized-controlled crossover study. J Clin Periodontol. 2020 Jan;47(1):30-35. doi: 10.1111/jcpe.13210. Epub 2019 Nov 3. |
| D002908 |
| Chronic Disease |
| D020969 | Disease Attributes |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |