Yellow teeth with vinegar usually has no effect, and also not recommended to contain vinegar, because it is easy to corrode teeth.
Teeth yellow generally and above plaque, tobacco stains, dental calculus, etc., may also be fluorosis, tetracycline teeth, etc., and vinegar is just a flavor, usually no whitening teeth. Moreover, vinegar contains acetic acid, which has a certain corrosiveness, if you often contain vinegar, it is easy to corrode the teeth and cause damage to the teeth.
The common solutions for yellowing teeth are scaling, cold light whitening, veneer restoration and crown restoration.
If there are plaque, tobacco stains and calculus on the top of the teeth that cause yellowing, you can improve the teeth through scaling. If the teeth are tetracycline or fluorosis, etc., the teeth are not chipped and the degree of staining is relatively mild, cold light whitening can be performed. If the teeth are yellow and chipped at the same time, you can consider doing veneers or crowns.
Yellow teeth are recommended to actively go to the relevant departments of the regular hospital to do a checkup, a clear diagnosis, under the guidance of the doctor to use the appropriate whitening program, do not take the liberty to use prescriptions, so as not to damage the teeth.