Dental Charting, Tooth Morphology, and Occlusion Flashcards

Which permanent tooth has only a single root and a single canal AND is the longest tooth in the mouth?

Answer: Maxillary canine

The maxillary canine has one root that is the longest of any tooth in the permanent dentition, providing strong anchorage.

In the Palmer Notation Method, the symbol ┘ represents which quadrant?

Answer: Maxillary right

In Palmer notation, ┘ (bracket opening to the lower left) represents the maxillary right quadrant.

The term 'trifurcation' is most applicable to which tooth?

Answer: Maxillary first molar

The maxillary first molar has three roots (mesiobuccal, distobuccal, and palatal), making trifurcation the correct term for their division.

Which landmark on the maxillary central incisor is used to distinguish it from the lateral incisor?

Answer: Wider crown mesiodistally with a flatter incisal edge

The maxillary central incisor has a notably wider mesiodistal crown width and a flatter, straighter incisal edge compared to the more rounded lateral incisor.

An edge-to-edge bite is a characteristic of which Angle classification?

Answer: Class I

An edge-to-edge bite can occur within a Class I skeletal relationship where the incisal edges of upper and lower incisors meet directly.

Which surface of a tooth faces toward the tongue?

Answer: Lingual

The lingual surface faces the tongue; it is the posterior equivalent of the palatal surface used for anterior teeth in some classifications.

When recording a missing tooth on a dental chart, the standard symbol used is:

Answer: An X drawn through the tooth

A missing tooth is charted by drawing an X through the tooth symbol, indicating it is absent from the mouth.