Dental restoration staining

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Can your crowns survive khat chewing? a dental showdown

Disease control Ongoing

This trial compares two types of zirconia dental crowns—multilayer and feldspathic veneered—to see how well they resist color changes from khat chewing. Ten adults who chew khat and need crowns on their back teeth will receive one type of crown on one side of the mouth and the ot…

Matched conditions: DENTAL RESTORATION STAINING

Sponsor: Thamar University • Aim: Disease control

Last updated Aug 27, 2026 00:00 UTC

Dental restoration staining

Get alerted when new Dental restoration staining trials appear

Can your crowns survive khat chewing? a dental showdown