FAGD EXAM Questions and Answers
With Verified Answers Study Guide
latest Updated version Guide
2026/2027.
What muscles are elevator muscles and help close the jaw during mastication? -
ANSMasseter
Medial pterygoid
Temporalis
What muscles are depressor muscles and help open the jaw? - ANSLateral pterygoid
Suprahyoid (digastric)
What are the two components to the masseter muscle? - ANSSuperficial and deep masseter
What is the origin and insertion of the Masseter muscle? - ANSOrigin - the outer surface of
the zygoma
Insertion - Lower boarder of the ramus
What is the action of the masseter muscle? - ANSElevation of mandible and aids in
protrusion
What are the three components of the temporalis muscle? - ANSAnterior, Middle and
Posterior
What is the origin and insertion of the temporalis muscle? - ANSOrigin - Temporal fossa and
lateral surface of the skull
Insertion - Coronoid process and anterior ascending ramus
What is the action of the temporalis muscle? - ANSelevates and retrudes the mandible
What is the origin and insertion of the medial pterygoid muscle? - ANSOrigin - pterygoid
fossa
Insertion - medial surface of the mandibular angle
What is the action of the medial ptyergoid? - ANSElevates the mandible, aids in protrusion.
Acts like a sling with the masseter muscle.
If a unilateral contractions happens of the medial pterygoid, what do you get? - ANSMedio-
trusive movement.
One condyle translates while the other rotates.
Balancing side movement
What are the two components of the lateral ptyergoid? - ANSSuperior and Inferior
What is the origin and insertion of the superior lateral ptyergoid? - ANSOrigin -
Infratemporal surface of the greater wing of the sphenoid bone
Insertion - Medial portion of the articular disc (30-40%), Neck of the condyle
What is the origin and insertion of the inferior lateral ptyergoid? - ANSOrigin - outer surface
of lateral pterygoid plate
Insertion - neck of condyle
What is the function of the lateral ptyergoid? - ANSProtrudes the mandible
Aids in opening or depressing the mandible
If you get a lateral ptyergoid spasm, which side of the mouth would you have an
interference? - ANS•Discludes the dentition on the affected side (posterior)
•Causes premature contact of the anterior teeth on the contralateral side
What is the origin and insertion of the anterior belly of the suprahyoid digastric muscle? -
ANS•Origin
-lingual surface of mandible at the midline
•Insertion
,FAGD EXAM Questions and Answers
With Verified Answers Study Guide
latest Updated version Guide
2026/2027.
-intermediate tendon on hyoid bone
•Innervated by the 5th cranial nerve
What is the origin and insertion of the posterior belly of the suprahyoid digastric muscle? -
ANS•Origin
-mastoid notch
•Insertion
-intermediate tendon on the hyoid bone
•Innervated by the 7th cranial nerve
What is the action of the suprahyoid digastric muscle? - ANSAction
-depresses the mandible
-accessory opening muscle
Which biomechanic movement of the condyle is a "hinge" movement? Where does it occur? -
ANSRotational movement
-occurs between the condyle and the disc
Which biomechanic movement of the condyle is a "gliding" movement? Where does it
occur? - ANSTranslational movement
- occurs between the disc and the fossa
If one joint is not translating, The mandible will deviate to the __________ side -
ANSaffected
A slight translation in the horizontal plane of the "working side" of the condyle is known as
_________ movement. - ANSBennett Movement
-Bodily shift of the mandible in the direction of the working condyle
- Just stating that when the jaw is moving right, the mandibular body of the left is is moving
over the horizontal plan.
In a left lateral movement, the right condyle moves ________ and the left condyle shifts in a
________ _______ direction - ANS- forward
- lateral posterior
In a left lateral movement, which side is the "working" side? - ANSLeft
In a left lateral movement, which side is the "non-working" or "balancing side" - ANSRight
In para-function, you have Iso________ contractions. Which direction are the forces applied?
- ANSMETRIC
Horizontal
In functional contractions, you have Iso________ contractions. Which direction are the
forces applied? - ANSTONIC
Vertical
What is : "A stereotyped movement disorder characterized by rhythmic masticatory muscle
activity associated with tooth grinding and occasional tooth clenching" - ANSSleep Bruxism
The clinical examination for SB diagnosis includes: - ANS-abnormal tooth wear (attrition,
wear facets)
-masticatory muscle hypertrophy
- muscle tenderness
T/F. Bruxism is common in children. - ANSTrue.
T/F. It is reported that occlusal adjustment will reduce bruxism to tolerable levels - ANSTrue
,FAGD EXAM Questions and Answers
With Verified Answers Study Guide
latest Updated version Guide
2026/2027.
Less than 40 bruxism events per hour, is classified as (normal, mild, moderate or severe?) -
ANSNormal
40-75 bruxism events per hour, is classified as (normal, mild, moderate or severe?) -
ANSMild
75-124 bruxism events per hour, is classified as (normal, mild, moderate or severe?) -
ANSModerate
125+ bruxism events per hour, is classified as (normal, mild, moderate or severe?) -
ANSSevere
In SB patients, SB episodes occur at a frequency of ______ times per hour of sleep - ANS5.8
Centric occlusion (CO)
•Habitual occlusion
•Habitual Centric
•The most complete interdigitation of the teeth
These are all different ways of saying? - ANSMIP
Centric Relation, also known as musculoskeletal stable position, is determined by? - ANS-
joint anatomy
-muscles physiology
-disc position
What will the Anterior teeth do during Mutually Protected Occlusion? - ANS-Anterior teeth
will disclude the posterior teeth during excursive movements of the mandible
-Anterior teeth will contact lightly during maximum intercuspation
Criteria for Optimal Occlusion, _____ loading of occlusal forces - ANSAxial
Straight up and down
Traumatic occlusion, can cause hemorrhage and congestion in the __________ - ANSPDL
When doing occlusal adjustments for Working contacts, where do you adjust? - ANS•lingual
incline of buccal cups
•facial(buccal) incline of lingual cusp
BULL, Buccal of upper teeth, Lingual of lower. Its the Buccal SIDE of the lingual cusp for
BU.
Lingual SIDE of the buccal cusp for Li
When doing occlusal adjustments for non-working or balancing side interferences, where do
you adjust? - ANS•Facial inclines of the lingual cusps of the maxillary teeth
•Lingual of the lower buccal cusps
What can can reproduce the end point of some condylar movements and tooth arc of closure -
ANSSemi-adjustable articulator
A face bow transfer allows for 3 determinants of orientation, what are the three? -
ANSanteroposteriorly
mediolateraly
superiorinferiorly
Condylar inclination can be determined with a _________ bite record - ANSprotrusive
What determines the curve of spee? - ANSAnteroposterior curve from the tip of the
mandibular canine along the buccal cusp tips of mandibular posterior teeth
Its curvature can be described in terms of the length of the radius of the curve
, FAGD EXAM Questions and Answers
With Verified Answers Study Guide
latest Updated version Guide
2026/2027.
What two things will Influence the height and angles of the cusps of the mandibular teeth? -
ANSThe condylar guidance and the curve of Spee will Influence the height and angles of the
cusps of the mandibular teeth
Will the curve of spee influnece anterior guidence? - ANSNo
Will vertigo be a part of Patient Presentation In TM Disorders? - ANSNo
Will someone who has a subluxation of the TMJ have complete or incomplete luxation or
dislocation of the TM joint? - ANSIncomplete
Subluxation may be the result of lateral pterygoid muscle spasm or contracture
What is the most common etiology of subluxation of the TMJ? - ANSMorphology/Anatomy
of the TMJ
Indications For An Occlusal Appliance - ANS•Prevent damage from oral parafunctional
habits
•Prevent trauma to periodontaly involved teeth
•Doubt about the complete seating of the condyle in the fossa
•Aid in the diagnosis of occlusal and/or temporomandibular dysfunction,
•Control temporomandibular dysfunction symptoms
•Decrease occlusal trauma and attrition
•May act as a behavioral intervention
•Have little to no affect on physical changes in the posture of the mandible
Should an occlusal appliance be used prior and after occlusal adjustment of multiple teeth -
ANSPrior
An anterior bite appliance is useful for patients with TMD symptoms and requiring
equilibration, why? - ANS•It allows the condyles to seat without Interference
•It should be flat and perpendicular
If health of gingiva is to be maintained;
before placing crown: _____mm of ATTACHED gingiva must be
present ______mm of FREE gingiva must be present - ANS3mm
2mm
If the above is not present, perio therapy
is required before proceeding
Crown lengthening procedures: Must provide for ____mm of distance between anticipated
crown margin and alveolar crest- all
the way around! - ANS3mm
For crown lengthening procedures: Must wait ___-___weeks before crown preparation -
ANS4-6 weeks
For crown lengthening procedures: Final tissue maturity takes how long? - ANS6 months to 1
year
What are three examples of when you don't want to use electrosurgery? - ANS1. Don't do it if
adequate zone of attached
gingiva is not present
2. Don't do it if head and neck radiation therapy
has been performed on the patient
3. Don't do it if patient has unshielded
With Verified Answers Study Guide
latest Updated version Guide
2026/2027.
What muscles are elevator muscles and help close the jaw during mastication? -
ANSMasseter
Medial pterygoid
Temporalis
What muscles are depressor muscles and help open the jaw? - ANSLateral pterygoid
Suprahyoid (digastric)
What are the two components to the masseter muscle? - ANSSuperficial and deep masseter
What is the origin and insertion of the Masseter muscle? - ANSOrigin - the outer surface of
the zygoma
Insertion - Lower boarder of the ramus
What is the action of the masseter muscle? - ANSElevation of mandible and aids in
protrusion
What are the three components of the temporalis muscle? - ANSAnterior, Middle and
Posterior
What is the origin and insertion of the temporalis muscle? - ANSOrigin - Temporal fossa and
lateral surface of the skull
Insertion - Coronoid process and anterior ascending ramus
What is the action of the temporalis muscle? - ANSelevates and retrudes the mandible
What is the origin and insertion of the medial pterygoid muscle? - ANSOrigin - pterygoid
fossa
Insertion - medial surface of the mandibular angle
What is the action of the medial ptyergoid? - ANSElevates the mandible, aids in protrusion.
Acts like a sling with the masseter muscle.
If a unilateral contractions happens of the medial pterygoid, what do you get? - ANSMedio-
trusive movement.
One condyle translates while the other rotates.
Balancing side movement
What are the two components of the lateral ptyergoid? - ANSSuperior and Inferior
What is the origin and insertion of the superior lateral ptyergoid? - ANSOrigin -
Infratemporal surface of the greater wing of the sphenoid bone
Insertion - Medial portion of the articular disc (30-40%), Neck of the condyle
What is the origin and insertion of the inferior lateral ptyergoid? - ANSOrigin - outer surface
of lateral pterygoid plate
Insertion - neck of condyle
What is the function of the lateral ptyergoid? - ANSProtrudes the mandible
Aids in opening or depressing the mandible
If you get a lateral ptyergoid spasm, which side of the mouth would you have an
interference? - ANS•Discludes the dentition on the affected side (posterior)
•Causes premature contact of the anterior teeth on the contralateral side
What is the origin and insertion of the anterior belly of the suprahyoid digastric muscle? -
ANS•Origin
-lingual surface of mandible at the midline
•Insertion
,FAGD EXAM Questions and Answers
With Verified Answers Study Guide
latest Updated version Guide
2026/2027.
-intermediate tendon on hyoid bone
•Innervated by the 5th cranial nerve
What is the origin and insertion of the posterior belly of the suprahyoid digastric muscle? -
ANS•Origin
-mastoid notch
•Insertion
-intermediate tendon on the hyoid bone
•Innervated by the 7th cranial nerve
What is the action of the suprahyoid digastric muscle? - ANSAction
-depresses the mandible
-accessory opening muscle
Which biomechanic movement of the condyle is a "hinge" movement? Where does it occur? -
ANSRotational movement
-occurs between the condyle and the disc
Which biomechanic movement of the condyle is a "gliding" movement? Where does it
occur? - ANSTranslational movement
- occurs between the disc and the fossa
If one joint is not translating, The mandible will deviate to the __________ side -
ANSaffected
A slight translation in the horizontal plane of the "working side" of the condyle is known as
_________ movement. - ANSBennett Movement
-Bodily shift of the mandible in the direction of the working condyle
- Just stating that when the jaw is moving right, the mandibular body of the left is is moving
over the horizontal plan.
In a left lateral movement, the right condyle moves ________ and the left condyle shifts in a
________ _______ direction - ANS- forward
- lateral posterior
In a left lateral movement, which side is the "working" side? - ANSLeft
In a left lateral movement, which side is the "non-working" or "balancing side" - ANSRight
In para-function, you have Iso________ contractions. Which direction are the forces applied?
- ANSMETRIC
Horizontal
In functional contractions, you have Iso________ contractions. Which direction are the
forces applied? - ANSTONIC
Vertical
What is : "A stereotyped movement disorder characterized by rhythmic masticatory muscle
activity associated with tooth grinding and occasional tooth clenching" - ANSSleep Bruxism
The clinical examination for SB diagnosis includes: - ANS-abnormal tooth wear (attrition,
wear facets)
-masticatory muscle hypertrophy
- muscle tenderness
T/F. Bruxism is common in children. - ANSTrue.
T/F. It is reported that occlusal adjustment will reduce bruxism to tolerable levels - ANSTrue
,FAGD EXAM Questions and Answers
With Verified Answers Study Guide
latest Updated version Guide
2026/2027.
Less than 40 bruxism events per hour, is classified as (normal, mild, moderate or severe?) -
ANSNormal
40-75 bruxism events per hour, is classified as (normal, mild, moderate or severe?) -
ANSMild
75-124 bruxism events per hour, is classified as (normal, mild, moderate or severe?) -
ANSModerate
125+ bruxism events per hour, is classified as (normal, mild, moderate or severe?) -
ANSSevere
In SB patients, SB episodes occur at a frequency of ______ times per hour of sleep - ANS5.8
Centric occlusion (CO)
•Habitual occlusion
•Habitual Centric
•The most complete interdigitation of the teeth
These are all different ways of saying? - ANSMIP
Centric Relation, also known as musculoskeletal stable position, is determined by? - ANS-
joint anatomy
-muscles physiology
-disc position
What will the Anterior teeth do during Mutually Protected Occlusion? - ANS-Anterior teeth
will disclude the posterior teeth during excursive movements of the mandible
-Anterior teeth will contact lightly during maximum intercuspation
Criteria for Optimal Occlusion, _____ loading of occlusal forces - ANSAxial
Straight up and down
Traumatic occlusion, can cause hemorrhage and congestion in the __________ - ANSPDL
When doing occlusal adjustments for Working contacts, where do you adjust? - ANS•lingual
incline of buccal cups
•facial(buccal) incline of lingual cusp
BULL, Buccal of upper teeth, Lingual of lower. Its the Buccal SIDE of the lingual cusp for
BU.
Lingual SIDE of the buccal cusp for Li
When doing occlusal adjustments for non-working or balancing side interferences, where do
you adjust? - ANS•Facial inclines of the lingual cusps of the maxillary teeth
•Lingual of the lower buccal cusps
What can can reproduce the end point of some condylar movements and tooth arc of closure -
ANSSemi-adjustable articulator
A face bow transfer allows for 3 determinants of orientation, what are the three? -
ANSanteroposteriorly
mediolateraly
superiorinferiorly
Condylar inclination can be determined with a _________ bite record - ANSprotrusive
What determines the curve of spee? - ANSAnteroposterior curve from the tip of the
mandibular canine along the buccal cusp tips of mandibular posterior teeth
Its curvature can be described in terms of the length of the radius of the curve
, FAGD EXAM Questions and Answers
With Verified Answers Study Guide
latest Updated version Guide
2026/2027.
What two things will Influence the height and angles of the cusps of the mandibular teeth? -
ANSThe condylar guidance and the curve of Spee will Influence the height and angles of the
cusps of the mandibular teeth
Will the curve of spee influnece anterior guidence? - ANSNo
Will vertigo be a part of Patient Presentation In TM Disorders? - ANSNo
Will someone who has a subluxation of the TMJ have complete or incomplete luxation or
dislocation of the TM joint? - ANSIncomplete
Subluxation may be the result of lateral pterygoid muscle spasm or contracture
What is the most common etiology of subluxation of the TMJ? - ANSMorphology/Anatomy
of the TMJ
Indications For An Occlusal Appliance - ANS•Prevent damage from oral parafunctional
habits
•Prevent trauma to periodontaly involved teeth
•Doubt about the complete seating of the condyle in the fossa
•Aid in the diagnosis of occlusal and/or temporomandibular dysfunction,
•Control temporomandibular dysfunction symptoms
•Decrease occlusal trauma and attrition
•May act as a behavioral intervention
•Have little to no affect on physical changes in the posture of the mandible
Should an occlusal appliance be used prior and after occlusal adjustment of multiple teeth -
ANSPrior
An anterior bite appliance is useful for patients with TMD symptoms and requiring
equilibration, why? - ANS•It allows the condyles to seat without Interference
•It should be flat and perpendicular
If health of gingiva is to be maintained;
before placing crown: _____mm of ATTACHED gingiva must be
present ______mm of FREE gingiva must be present - ANS3mm
2mm
If the above is not present, perio therapy
is required before proceeding
Crown lengthening procedures: Must provide for ____mm of distance between anticipated
crown margin and alveolar crest- all
the way around! - ANS3mm
For crown lengthening procedures: Must wait ___-___weeks before crown preparation -
ANS4-6 weeks
For crown lengthening procedures: Final tissue maturity takes how long? - ANS6 months to 1
year
What are three examples of when you don't want to use electrosurgery? - ANS1. Don't do it if
adequate zone of attached
gingiva is not present
2. Don't do it if head and neck radiation therapy
has been performed on the patient
3. Don't do it if patient has unshielded
