Done by tattoo machine or by wooden sticks, which is a traditional hand tapped tattoo. This style is used by them to express identity, personality, one's society status, hierarchy, and sexual maturity. Polynesian tribes tattoo style symbolized traditions, legends and religious beliefs.
Temporary crown. A temporary crown (white) on a tooth after Endodontic therapy. A temporary crown (provisional crown, interim crown) is a temporary (short-term) crown used in dentistry. Like other interim restorations, it serves until a final (definitive) restoration can be inserted.
Indeed, there are plenty of instances where the need for a crown is evident (like a broken tooth), but oftentimes, the need for a dental crown is not apparent to the patient. To strengthen a tooth that has/had a very large (and usually old) filling. To repair a tooth that has a very large cavity. To anchor a bridge.