Cephalometrics is useful in assessing all of the following relationships except:: (A) Tooth to tooth, (B) Bone to bone, (C) Tooth to bone, (D) Soft palate to gingiva
Answer is D. Cephalometric analysis
Cephalometric analysis is the process of evaluating skeletal, dental and soft tissue relationship of a patient by comparing measurements performed on the patient’s cephalometric tracing with population norms for respective measurement(s), to come to a diagnosis of the patients’ orthodontic problem.
The cephalometric analysis essentially involves evaluation of the patient’s:

Skeletal pattern
Dentition and its pattern (denture pattern)
Soft tissue pattern of face
Nasopharyngeal airway
Growth trend.

Ref: Orthodontics: Diagnosis and Management of Malocclusion and Dentofacial Deformities, 3e, Om P. Kharbanda pdf no 973