Pre Clinic theory Midterm- Sem 1 Questions and Correct Answers/ Latest Update / Already Graded

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Pre Clinic theory Midterm- Sem 1
Questions and Correct Answers/ Latest
Update / Already Graded
ergonomics

Ans: study of human performance and workplace design to
maximize health, comfort, and efficiency


1. vertical

2. oblique

3. horizontal (less common)

Ans: 3 types of stroke directions


long axis

Ans: - straight line that passes through center of tooth
- divides tooth symmetrically
- used when selecting the correct working-end of a periodontal
instrument


frontal plane

Ans: another name for coronal plane


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lateral plane

Ans: another name for sagittal plane


axial plane

Ans: another name for transverse or horizontal plane


apical

Ans: direction towards the apex of a tooth


coronal

Ans: direction towards the crown of a tooth


midline

Ans: - instrumentation initiated here for anterior teeth
- divides teeth into left and right


buccal

Ans: another name for facial surfaces of posterior teeth


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labial

Ans: another name for facial surfaces of anterior teeth


lingual

Ans: surfaces facing the tongue


palatal

Ans: lingual surface of maxillary teeth


occlusal

Ans: biting surfaces of posterior teeth


incisal

Ans: biting surfaces of anterior teeth


distofacial line angle

Ans: area where all posterior instrumentation initiated




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facial, lingual

Ans: main 2 aspects of teeth


distofacial, facial, mesiofacial

Ans: 3 facial aspects of teeth


distolingual, lingual, mesiolingual

Ans: 3 lingual aspects of teeth


neutral positioning

Ans: -refers to ideal positioning of the body in a balanced
position
-results in decreased risk of musculoskeletal injury


neutral neck position

Ans: - head tilt of 0 to 15 degrees
- avoid head tipped too far forward or to one side


neutral shoulder position

Ans: - even shoulders

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