Variables |
|
Percentage |
---|---|---|
Author | ||
Layperson | 3 | 2% |
Layperson and user | 90 | 73% |
DIY aligner company | 21 | 17% |
Dentist or Orthodontist | 5 | 4% |
News channel | 4 | 3% |
Dental professional body | 0 | 0 |
Authors with sponsorship or financial interest | ||
Yes | 67 | 54% |
No | 52 | 42% |
Unsure | 2 | 2% |
N/A | 2 | 2% |
Authors that recommended DIY aligners | ||
Yes | 35 | 28% |
No | 12 | 10% |
Proceed with caution | 7 | 6% |
N/A | 69 | 56% |
Global Quality Score | ||
Score 1: Poor quality | 15 | 12% |
Score 2: Generally poor quality | 85 | 69% |
Score 3: Moderate quality | 19 | 15% |
Score 4: Good quality | 4 | 3% |
Score 5: Excellent quality | 0 | 0% |
DISCERN reliability tool criteria | ||
1. Are the aims clear and achieved? | 101 | 82% |
2. Are reliable sources of info used ? | 16 | 13% |
3. Is the info presented balanced & unbiased? | 8 | 7% |
4. Are additional sources of info listed for patient reference? | 5 | 4% |
5. Are areas of uncertainty mentioned? | 3 | 2% |
Total DISCERN reliability scores | ||
Score 0 | 16 | 13% |
Score 1 | 89 | 72% |
Score 2 | 11 | 9% |
Score 3 | 3 | 2% |
Score 4 | 4 | 3% |
Score 5 | 0 | 0% |
Author recommendation | |
---|---|
Yes | The author outwardly recommended DIY aligners. However, if they did not outwardly recommend DIY aligners but had a positive sentiment, this was only a positive sentiment and not a recommendation. |
Proceed with caution | The author recommended the aligners but with a caveat, e.g. “I’d recommend SmileDirectClub if you have mild problems or have had braces before but if your problems are more severe, then speak to your Dentist or Orthodontist”. |
No | The author did not recommend DIY aligners. |
N/A | There was no recommendation. e.g., if the video was instructional only. |
Criteria | Calculation (if applicable) |
---|---|
The total number of views | N/A |
The total number of comments | N/A |
The interaction index | Likes – dislikes/Total number of viewings x 100% |
Viewing rating | Number of Views/Number of Days since Upload × 100% |
Variables | Likes | Views | Subscribers | Author views | Interaction index | Viewing rate | Content score | Reliability score | GQS score |
---|---|---|---|---|---|---|---|---|---|
Likes | 1 | ||||||||
Views |
|
1 | |||||||
Subscribers |
|
|
1 | ||||||
Author views |
|
|
|
1 | |||||
Interaction index | 0.014** |
|
|
|
1 | ||||
Viewing rate |
|
|
|
|
|
1 | |||
Content score | 0.040* | 0.693 | 0.010** | 0.011* | 0.011* | 0.554 | 1 | ||
Reliability score | 0.001* | 0.001* | 0.206 | 0.305 | 0.168 |
|
0.317 | 1 | |
GQS score |
|
0.012* | 0.984 | 0.652 | 0.857 | 0.005* |
|
|
1 |
* |
|||||||||
** |
Reason for exclusion | No. of videos |
---|---|
Duplicate | 27 |
Video length > 15 min | 27 |
Not related to the subject | 19 |
Comments disabled | 11 |
Likes/Dislikes hidden | 2 |
Total exclusions | 86 |
Content assessment variables |
|
Percentage |
---|---|---|
Definition of DIY Clear Aligners | 2 | 2% |
Procedure for DIY Clear Aligner Therapy | 94 | 76% |
Usage instructions for DIY Clear Aligners | 75 | 61% |
Comparison of treatment options | 34 | 28% |
Biomechanics of Aligner Therapy | 2 | 2% |
Pain | 58 | 47% |
Oral hygiene | 20 | 16% |
Soft tissue soreness | 14 | 11% |
Speech performance | 29 | 24% |
Psychosocial aspects (e.g. social life, effect on confidence) | 35 | 28% |
Cost of treatment | 54 | 44% |
Treatment success | 60 | 49% |
Complications | 26 | 21% |
Treatment time | 61 | 50% |
Comparison between DIY and doctor directed aligner therapy | 30 | 24% |
Content assessment | ||
Content poor (0–7) | 106 | 86% |
Content rich (8–15) | 17 | 14% |
Sentiment | ||
Positive | 104 | 84% |
Neutral | 7 | 6% |
Negative | 12 | 10% |
Complications/disadvantages | ||
Poor results | 15 | 12% |
Change in bite | 19 | 15% |
Pain | 56 | 46% |
Difficulty taking impressions | 13 | 11% |
Poor customer service | 12 | 10% |
Results may be inferior to doctor directed | 5 | 4% |
Lack of fixed retention | 2 | 2% |
Appeal of DIY Aligners Criteria | ||
Reduced cost | 51 | 41% |
Convenience | 32 | 26% |
Ease of use | 25 | 20% |
Same as doctor directed | 22 | 18% |
Lack of contact with doctors office | 17 | 14% |