Seubers, Merel (2022) Het ‘whitening’ effect van houtskooltandpasta op het verwijderen van extrinsieke verkleuringen op elementen. thesis, Dentistry.
Full text available on request.Abstract
The use of charcoal toothpaste has become increasingly popular in recent years. Recent studies have shown that charcoal does not have a clear whitening effect on enamel. No research has been conducted on the effect of various whitening toothpastes, including charcoal toothpaste, using a spectrophotometer on elements with extrinsic discolourations to date. Therefore, this research answers the question: what is the whitening effect of charcoal toothpaste on the removal of extrinsic discolourations on teeth? The consumer can ultimately be well informed with the results of this research. This will lead to a fair(er) foundation of the choice on whether or not to purchase charcoal toothpaste. In this in vitro laboratory study, the whitening effects of different brushing substances on bovine teeth with extrinsic discolourations were compared by means of a randomised controlled trial (RCT). In order to map the use effects on the short and long term, various measurements were carried out, corresponding to the duration of treatment. A spectrophotometer was used to determine any colour change and its degree at different times under different treatments. A sixth (control) group was added to the study to determine whether the measurement method used was valid and whether any corrections to results are considered necessary. The results obtained were analysed using the software program IBM SPSS Statistics Version 27.0. With a p-value of 0.104, there was no significant difference between the average measured colour changes of both measurement methods. According to the One-Sample T-Test, both the effect of the possible permeability and/or remaining adhesive products of the tape and the effect of removing the tap on extrinsically discoloured teeth were not negligible, making corrections of the tape-covered compartments necessary. The first main effect, namely the effect of the brushing substances on the colour change, was not significant (p=0.179). However, the second main effect, namely the effect of the brushing time on the colour change, turned out to be significant (p=0.000). To conclude, this study has shown that a charcoal toothpaste does not produce a significantly different whitening effect in the removal of extrinsic discolourations on teeth than other brushing substances. However, the brushing time has a significant influence on the whitening effect. Consequently, the purchase and use of a charcoal toothpaste, which captures contemporary society due to the many advertisements, will not have a beneficial effect on the removal of extrinsic discolourations. In short, it does not matter which brushing substance people use. It does matter, however, how long they brush for.
| Item Type: | Thesis (UNSPECIFIED) |
|---|---|
| Supervisor name: | Van Hoogmoed, Dr. |
| Faculty: | Medical Sciences |
| Date Deposited: | 28 Mar 2023 11:17 |
| Last Modified: | 28 Mar 2023 11:17 |
| URI: | https://umcg.studenttheses.ub.rug.nl/id/eprint/3460 |
Actions (login required)
 |
View Item |