Use Case B to answer The Following questions
CASE BPermanent Dentition
An adult female client new to the dental practice expresses an interest in orthodontic treatment. The client has a moderate caries risk and a tongue thrust swallowing pattern. Three carious lesions on the proximal surfaces are recorded during the dental examination, and the client admits that she does not floss. She informs the hygienist that she has "a sore spot on the left side of her mouth" that hurts when she eats. Use Case B and Figures 5-29 and 5-30 to answer questions 13-20.
-The lingual convergence of proximal surfaces facilitates instrumentation for all permanent teeth except:

Question

Quizplus · Accepted Answer

The mandibular second premolar (tricuspid form) and the maxillary first molar do not converge toward the lingual. They are exceptions to the lingual convergence characteristic of other teeth.

Use Case B to Answer the Following Questions