Questions and Answers Latest Version
Graded A+
Which tooth surface faces toward the tongue?
✔✔ The lingual surface.
What is the hardest substance in the human body?
✔✔ Tooth enamel.
How many roots does a mandibular first molar typically have?
✔✔ Two roots (mesial and distal).
What is the name of the space between two adjacent teeth?
✔✔ The interproximal space.
Which teeth are considered the "cornerstone" of the dental arch?
✔✔ The canines.
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,What is the term for the natural contact between upper and lower teeth when the jaw is closed?
✔✔ Occlusion.
Which premolar usually has two roots?
✔✔ The maxillary first premolar.
What is the function of the periodontal ligament?
✔✔ It anchors the tooth to the alveolar bone and acts as a shock absorber.
Which tooth has the longest root in the maxillary arch?
✔✔ The maxillary canine.
What is the name of the slight indentation found on the incisal edge of new incisors?
✔✔ Mamelons.
Which cusp is the largest on a mandibular first molar?
✔✔ The mesiobuccal cusp.
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,What is the term for the junction between the crown and root of a tooth?
✔✔ The cementoenamel junction (CEJ).
Which teeth are most commonly missing congenitally?
✔✔ Third molars (wisdom teeth) and maxillary lateral incisors.
What is the name of the small, rounded elevations on the chewing surfaces of molars?
✔✔ Cusps.
Which tooth has a unique "Y"-shaped groove pattern on its occlusal surface?
✔✔ The mandibular second premolar (three-cusp type).
What is the term for the natural curve of the dental arch when viewed from the side?
✔✔ The Curve of Spee.
Which tooth is most likely to have a lingual pit that can develop caries?
✔✔ The maxillary lateral incisor.
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, What is the function of the alveolar bone?
✔✔ It supports and houses the roots of teeth.
Which tooth has the smallest crown in the permanent dentition?
✔✔ The mandibular central incisor.
What is the name of the ridge running from the cusp tip to the central groove on a molar?
✔✔ The triangular ridge.
Which teeth are sometimes referred to as "eye teeth"?
✔✔ The maxillary canines.
What is the term for the slight inward tilt of lower incisors?
✔✔ Linguoversion.
Which premolar often has a single root?
✔✔ The mandibular first premolar.
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