NEW TCDHA CLINIC MIDTERM WITH COMPLETE SOLUTIONS
100% VERIFIED
Neutral neck position
0-15 degrees
neutral back position
- leaning forward slightly from waist or hips
neutral upper arm position
- elbows at waist level held slightly away from the body
neutral forearm position
- parallel to the floor
neutral hand position
- little finger-side of palm slightly lower than the thumb-side of palm
the spine has 3 healthy curves:
1. cervical (inward)
2. lumbar (inward)
3. thoracic (outward)
seat height
- about 1 inch higher than front of seat
-hips slightly higher than knees
,supine patient position (max)
-feet even or slightly higher than tip of nose
-chair back nearly parallel to the floor
-top of pt's head even with the upper edge of the headrest
semi-supine client position (mand)
-chair back raised slightly
easy way to attain neutral position
coaxial illumination
spectacles-mounted or headband-mounted lights (dental headlights)
blanched
grasp too tight
middle finger function in grasp
- guide the working end and feel vibrations (tactile info)
choosing the right handle
- light
- large diameter
- tapered handle
- raised texturing
simple shank
straight
- ANTERIOR teeth
complex shank
,side-to-side bends
- POSTERIOR teeth
rigid shank
removes HEAVY deposits
flexible shank
removes SMALL TO MEDIUM deposits
- enhances tactile information
- desirable for explorers
functional shank
- below the working end
- extends to the last bend the shank nearest the handle
lower shank
- portion of the functional shank nearest to the working-end
simple/complex SHORT functional shank is used
SUPRAgingival
simple/complex LONG functional shank is used
, SUBgingival
- can reach the middle and apical third of root
unpaired working ends
dissimilar working ends
toe
cutting edges meet to form a ROUNDED TOE
tip
cutting edges meet to form a POINTED TIP
triangular cross section
LIMITED TO SUPRAgingival
- sickle scalers
semi-circular cross section
used SUPRAgingivally AND SUBgingivally
- curets
periodontal probe
- blunt, rod-shaped working end
- cross section circular or rectangular
explorer used to
examine tooth surfaces for:
100% VERIFIED
Neutral neck position
0-15 degrees
neutral back position
- leaning forward slightly from waist or hips
neutral upper arm position
- elbows at waist level held slightly away from the body
neutral forearm position
- parallel to the floor
neutral hand position
- little finger-side of palm slightly lower than the thumb-side of palm
the spine has 3 healthy curves:
1. cervical (inward)
2. lumbar (inward)
3. thoracic (outward)
seat height
- about 1 inch higher than front of seat
-hips slightly higher than knees
,supine patient position (max)
-feet even or slightly higher than tip of nose
-chair back nearly parallel to the floor
-top of pt's head even with the upper edge of the headrest
semi-supine client position (mand)
-chair back raised slightly
easy way to attain neutral position
coaxial illumination
spectacles-mounted or headband-mounted lights (dental headlights)
blanched
grasp too tight
middle finger function in grasp
- guide the working end and feel vibrations (tactile info)
choosing the right handle
- light
- large diameter
- tapered handle
- raised texturing
simple shank
straight
- ANTERIOR teeth
complex shank
,side-to-side bends
- POSTERIOR teeth
rigid shank
removes HEAVY deposits
flexible shank
removes SMALL TO MEDIUM deposits
- enhances tactile information
- desirable for explorers
functional shank
- below the working end
- extends to the last bend the shank nearest the handle
lower shank
- portion of the functional shank nearest to the working-end
simple/complex SHORT functional shank is used
SUPRAgingival
simple/complex LONG functional shank is used
, SUBgingival
- can reach the middle and apical third of root
unpaired working ends
dissimilar working ends
toe
cutting edges meet to form a ROUNDED TOE
tip
cutting edges meet to form a POINTED TIP
triangular cross section
LIMITED TO SUPRAgingival
- sickle scalers
semi-circular cross section
used SUPRAgingivally AND SUBgingivally
- curets
periodontal probe
- blunt, rod-shaped working end
- cross section circular or rectangular
explorer used to
examine tooth surfaces for: