Dentistry symbols should connect to each other like box-drawing symbols. For example, there should be no breaks in the top stroke of ⎾⏁ or the bottom stroke of ⏈⏌.
Character data
⎾⏁⏈⏌
U+23BE DENTISTRY SYMBOL LIGHT VERTICAL AND TOP RIGHT
U+23C1 DENTISTRY SYMBOL LIGHT DOWN AND HORIZONTAL WITH CIRCLE
U+23C8 DENTISTRY SYMBOL LIGHT UP AND HORIZONTAL WITH WAVE
U+23CC DENTISTRY SYMBOL LIGHT VERTICAL AND BOTTOM LEFT
nizarsq
commented
4 years ago 
Font
NotoSansSymbols-Regular.ttf
Where the font came from, and when
Site: https://noto-website-2.storage.googleapis.com/pkgs/NotoSansSymbols-unhinted.zip Date: 2018-03-01
Font Version
Version 1.06 uh
Issue
Dentistry symbols should connect to each other like box-drawing symbols. For example, there should be no breaks in the top stroke of ⎾⏁ or the bottom stroke of ⏈⏌.
Character data
⎾⏁⏈⏌ U+23BE DENTISTRY SYMBOL LIGHT VERTICAL AND TOP RIGHT U+23C1 DENTISTRY SYMBOL LIGHT DOWN AND HORIZONTAL WITH CIRCLE U+23C8 DENTISTRY SYMBOL LIGHT UP AND HORIZONTAL WITH WAVE U+23CC DENTISTRY SYMBOL LIGHT VERTICAL AND BOTTOM LEFT
Screenshot