Palatal abscess could be ruled out by clinical examination since the source of a palatal abscess, which is typically a nonvital tooth
in the vicinity or a localized periodontal defect, was not found.
A GP point can be used to trace the sinus tract to its origin, which is usually a nonvital tooth
Various procedures are available to improve tooth color, including whitening toothpastes, professional stain removal, enamel microabrasion, vital and nonvital tooth
bleaching, porcelain veneers, crowns, and composite bonding.