1. located or occurring between the teeth
Usage: medical; dental
2. produced by placing the tongue between the upper and lower teeth
Usage: linguistics; phonetics

Examples

• The dentist recommended using an interdental brush to clean between her teeth.
• Interdental cleaning is essential for preventing gum disease.
• The ‘th’ sound in English is an interdental consonant.
• She struggled to pronounce the interdental sounds in the foreign language.
• Interdental plaque can lead to serious oral health problems.
• The speech therapist worked on his interdental pronunciation.