Last Updated
：2025/11/20
Quizzes for review
A hard crust of calcium salts and food particles on the teeth, developing from plaque.
音声機能が動作しない場合はこちらをご確認ください
See correct answer
dental calculus
The dentist pointed out that the brown stain near her gum line was dental calculus and recommended a professional cleaning.
See correct answer
The dentist pointed out that the brown stain near her gum line was dental calculus and recommended a professional cleaning.
音声機能が動作しない場合はこちらをご確認ください
English - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen the creation of new headword that may be duplicates
- Screen changing entry name
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Sentence Edit Setting
- Users who have edit permission for sentences - All Users
- Screen sentence deletion
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Quiz Edit Setting
- Users who have edit permission for quizzes - All Users
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
