Advanced Periodontal Instrumentation Exam Prep | Curets, Fulcrums, Root Techniques & Verified Answers 2026-2027
What is a furcation? The place on a multirooted tooth where the root
trunk divides into separate roots.
What does furcation involvement A loss of alveolar bone and periodontal ligament
indicate? fibers in the space between the roots of a
multirooted tooth.
What is the purpose of the N1 Nabers Used for assessment of mesial and distal furcation
probe? areas.
What is the purpose of the N2 Used for assessment of facial and lingual furcation
Nabers probe? areas.
How should the furcation probe be Access furcation on distal proximal from the lingual
accessed on maxillary molars? aspect.
What is an area-specific curet? A periodontal instrument used to remove light
calculus deposits from the crowns and roots of
teeth.
What are the design characteristics of They have long, complex functional shanks,
area-specific curets? rounded back, rounded toe, and semicircular cross
section.
, Advanced Periodontal Instrumentation Exam Prep | Curets, Fulcrums, Root Techniques & Verified Answers 2026-2027
What is unique about the cutting The cutting edges are curved, differing from
edges of area-specific curets? universal curets which have parallel cutting edges.
What is the angulation of the lower The lower cutting edge is automatically at a 70-
cutting edge in area-specific curets? degree angle to the tooth surface when the lower
shank is parallel.
What is the procedure for identifying Raise or lower the instrument handle until the lower
the working-end of an area-specific shank is perpendicular to the floor and identify the
curet? lower cutting edge.
What are the Gracey curets used for? They are used for specific areas of the mouth, such
as mesial and distal surfaces of teeth.
What is the difference between Gracey 11/12 is used for mesial surfaces, while
Gracey 11/12 and Gracey 15/16? Gracey 15/16 is used for distal surfaces.
What is the visual clue for correctly The lower shank should be parallel to the proximal
positioning an area-specific curet on surface, and the functional shank goes 'up and over'
posterior teeth? the tooth.
What is the first step in using area- Select the correct working-end with the face
specific curets on anterior teeth? hugging the tooth surface.
What is a furcation? The place on a multirooted tooth where the root
trunk divides into separate roots.
What does furcation involvement A loss of alveolar bone and periodontal ligament
indicate? fibers in the space between the roots of a
multirooted tooth.
What is the purpose of the N1 Nabers Used for assessment of mesial and distal furcation
probe? areas.
What is the purpose of the N2 Used for assessment of facial and lingual furcation
Nabers probe? areas.
How should the furcation probe be Access furcation on distal proximal from the lingual
accessed on maxillary molars? aspect.
What is an area-specific curet? A periodontal instrument used to remove light
calculus deposits from the crowns and roots of
teeth.
What are the design characteristics of They have long, complex functional shanks,
area-specific curets? rounded back, rounded toe, and semicircular cross
section.
, Advanced Periodontal Instrumentation Exam Prep | Curets, Fulcrums, Root Techniques & Verified Answers 2026-2027
What is unique about the cutting The cutting edges are curved, differing from
edges of area-specific curets? universal curets which have parallel cutting edges.
What is the angulation of the lower The lower cutting edge is automatically at a 70-
cutting edge in area-specific curets? degree angle to the tooth surface when the lower
shank is parallel.
What is the procedure for identifying Raise or lower the instrument handle until the lower
the working-end of an area-specific shank is perpendicular to the floor and identify the
curet? lower cutting edge.
What are the Gracey curets used for? They are used for specific areas of the mouth, such
as mesial and distal surfaces of teeth.
What is the difference between Gracey 11/12 is used for mesial surfaces, while
Gracey 11/12 and Gracey 15/16? Gracey 15/16 is used for distal surfaces.
What is the visual clue for correctly The lower shank should be parallel to the proximal
positioning an area-specific curet on surface, and the functional shank goes 'up and over'
posterior teeth? the tooth.
What is the first step in using area- Select the correct working-end with the face
specific curets on anterior teeth? hugging the tooth surface.
