Professionalisation and technique of brushing teeth during studies: An analysis of dental students from different semesters

• Conditions: K03.6; Deposits [accretions] on teeth

• Registration Number: DRKS00031601
• Lead Sponsor: Institut für Medizinische Psychologie, Fachbereich 11 - Medizin, Justus-Liebig-Universität Gießen

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2023-04-17
• Study Completion: 2023-05-26
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Complete
• Sex: All
• Target Recruitment: 250

Inclusion Criteria

dental students of JLU Gießen
= 20 natural teeth

Exclusion Criteria

- Braces, retainers (top)
- Oral piercing or tooth jewellery
- Pregnancy and breastfeeding
- Cognitive and physical limitations when brushing teeth (e.g. due to arm injury)
- professional teeth cleaning or tooth polishing in the past 4 weeks
- Smoker (> 5 cig./day)
- No acute or chronic diseases affecting the oral cavity (e.g. diabetes, HIV, eating disorders, herpes)
- Not taking medication for epilepsy, heart disease or immunosuppression.

Study & Design

• Study Type: observational
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Research question 1:<br>1.1 remaining plaque after brushing: % plaque after brushing (Marginal Plaque Index (MPI)).<br>1.2 gingivitis: papillary bleeding index (PBI)<br>Research question 2:<br>2.1.a) tooth brushing behaviour: QIT-S; <br>2.2.a) % tooth contact time (TCC) of horizontal movements at vestibular surfaces.<br>Research question 3:<br>3.1.a) Use of interdental hygiene devices (Yes/no)<br>Research question 4:<br>4.1. remaining plaque after brushing: % plaque after brushing (MPI). <br>Research question 5:<br>5.1. Self-perceived oral cleanliness questionnaire (SPOCd)<br>5.2. oral health-related self-efficacy expectancy (OHSEE)<br>5.3. dexterity (Grooved Pegboard)

Secondary Outcome Measures

Name	Time	Method
Research question 2:<br>2.1.b) % TCT oral surfaces<br>2.2.b) % TCT of horizontal movements at oral surfaces<br>research question 3:<br>3.1.b) Number of interdental spaces processed; type of interdental hygiene devices used (dental floss, interdental brushes); correct performance of approximal hygiene<br>3.1.c) Self-report on frequency of use of approximal hygiene and type of interdental hygiene devices used.<br>Question 4:<br>4.2. self-report on change in oral hygiene behaviour during the course of study<br>Question 5:<br>5.3. motor skills via digistift