Why do some people get black lines around their crowns?

ByDr Susan Pan, DDS

This can be due to metal underneath a porcelain crown, or staining at the margin of the crown.

Dr Susan Pan, DDS

Dentist

Dr. Susan R. Pan, DDS, is a highly qualified dentist with a long-standing engagement in the field since 1986. She was a recipient of the Dr. Gerald Z Wright Award for graduating first in her class at Schulich School of Medicine & Dentistry, University of Western Ontario. Additionally, she worked as a clinical instructor for new dentists at the University of Western Ontario’s School of Dentistry and graduated from the Dental School of Sun Yat-Sen University of Medical Sciences. Dr. Pan has received recognition for her exceptional work, as she was consecutively awarded the Diamond Winner for the Readers’ Choice of their Favorite Dentist by the Hamilton Spectator in 2014 and 2015, and was nominated for the same title multiple times in 2007, 2010, 2014, 2015, 2016, and 2017.

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Can I use interdental brushes with a silicone coating, textured surface, flexible neck, tapered bristles, fluoride coating, and angled neck with porcelain veneers in place?

Dr Susan Pan, DDSByDr Susan Pan, DDS Hours

Interdental brushes with a silicone coating, textured surface, flexible neck, tapered bristles, fluoride coating, and angled neck can be used with porcelain veneers, but remove your aligners for effective cleaning between your teeth.

Bite Problems-Part 3-Excel Dental
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Bite Problems-Part 3-Excel Dental

Dr Susan Pan, DDSByDr Susan Pan, DDS Hours

Prevention is the most important part of managing tooth abrasion.

Choose a low abrasion toothpaste as some toothpastes play a significant role in causing tooth abrasion. The RDA value [Relative Dentin Abrasivity] ranges from 0-250. RDA values of 150-250 are considered the harmful.
Use a soft toothbrush and a correct brushing technique using moderate force.