Dental Anatomy Study Guide Questions
and Answers Latest Version Graded A+
What is the primary function of the pulp in a tooth?
✔✔ The pulp provides nutrients and sensory innervation to the tooth.
Which tooth surface faces 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 natural space between adjacent teeth?
✔✔ Interproximal space.
1
,Which teeth are most commonly missing due to congenital absence?
✔✔ Third molars (wisdom teeth) and maxillary lateral incisors.
What structure separates the root from the crown of a tooth?
✔✔ The cementoenamel junction (CEJ).
Which cusp on a maxillary first molar is the largest?
✔✔ The mesiobuccal cusp.
What is the function of the periodontal ligament?
✔✔ It anchors the tooth to the alveolar bone and absorbs shock during chewing.
Which tooth has the longest root in the maxillary arch?
✔✔ The maxillary canine.
What is the term for the small grooves on the occlusal surface of molars?
✔✔ Developmental grooves.
2
, Which premolar has a bifurcated root?
✔✔ The maxillary first premolar.
What is the name of the raised ridges on the chewing surfaces of posterior teeth?
✔✔ Cusps.
Which tooth is most likely to have a lingual pit that can trap decay?
✔✔ The maxillary lateral incisor.
What is the term for the slight movement of teeth within their sockets?
✔✔ Physiological tooth mobility.
Which tooth has a cutting edge instead of a cusp tip?
✔✔ The incisors.
What is the name of the depression where three or more developmental grooves meet?
✔✔ A central fossa.
3
and Answers Latest Version Graded A+
What is the primary function of the pulp in a tooth?
✔✔ The pulp provides nutrients and sensory innervation to the tooth.
Which tooth surface faces 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 natural space between adjacent teeth?
✔✔ Interproximal space.
1
,Which teeth are most commonly missing due to congenital absence?
✔✔ Third molars (wisdom teeth) and maxillary lateral incisors.
What structure separates the root from the crown of a tooth?
✔✔ The cementoenamel junction (CEJ).
Which cusp on a maxillary first molar is the largest?
✔✔ The mesiobuccal cusp.
What is the function of the periodontal ligament?
✔✔ It anchors the tooth to the alveolar bone and absorbs shock during chewing.
Which tooth has the longest root in the maxillary arch?
✔✔ The maxillary canine.
What is the term for the small grooves on the occlusal surface of molars?
✔✔ Developmental grooves.
2
, Which premolar has a bifurcated root?
✔✔ The maxillary first premolar.
What is the name of the raised ridges on the chewing surfaces of posterior teeth?
✔✔ Cusps.
Which tooth is most likely to have a lingual pit that can trap decay?
✔✔ The maxillary lateral incisor.
What is the term for the slight movement of teeth within their sockets?
✔✔ Physiological tooth mobility.
Which tooth has a cutting edge instead of a cusp tip?
✔✔ The incisors.
What is the name of the depression where three or more developmental grooves meet?
✔✔ A central fossa.
3
