Dentistry: Jaw Relationships

What is the primary classification of jaw relationships?

Horizontal and Vertical

What is Centric Relation?

The unstrained position of the condyle in the glenoid fossa

What is Centric Occlusion?

The relation of opposing occluding surfaces

What is the characteristic of Eccentric relations?

It is any relation other than centric relation Signup and view all the answers

What is Protrusive relation?

The relation of the mandible to the maxilla when the mandible is in forward position Signup and view all the answers

What is the characteristic of Centric relation?

The condyles are in their unstrained position in the glenoid fossae Signup and view all the answers

What is a characteristic of high vertical dimension of occlusion?

The lips are unnaturally separated and have a strained appearance Signup and view all the answers

Which of the following is a result of low vertical dimension of occlusion?

Angular Cheilitis at the corner of the mouth Signup and view all the answers

What is the formula for C.O.R.?

C.O.R. = C.R. + V.D.O. Signup and view all the answers

What is the effect of stress situations on vertical dimension?

Decreases vertical dimension Signup and view all the answers

What is a long-term variable that affects vertical dimension?

Loss of proprioceptive impulses from the periodontal ligament Signup and view all the answers

What is a symptom of high vertical dimension of occlusion?

Generalized soreness and pain of the residual ridge Signup and view all the answers

What type of relations are right and left lateral maxillo-mandibular relations?

Bone to bone relations. Signup and view all the answers

What is the vertical dimension of the face when the mandible is in rest position?

Vertical dimension of rest Signup and view all the answers

What is the vertical dimension of the face when the teeth are in contact in centric occlusion?

Vertical dimension of occlusion Signup and view all the answers

What is the distance between the occluding surfaces of the maxillary and mandibular teeth when the mandible is in a specified relaxed position?

Interocclusal distance Signup and view all the answers

What is the formula to calculate the interocclusal distance?

VDR - VDO Signup and view all the answers

What is the position of the condyles in the glenoid fossae when the patient is resting comfortably in an upright position?

Neutral unstrained position Signup and view all the answers

What is the primary characteristic of the vertical dimension of rest?

The elevator and depressor muscles are in equilibrium Signup and view all the answers

What is the relationship between the vertical dimension of rest and the vertical dimension of occlusion?

VDR minus VDO equals the interocclusal distance Signup and view all the answers

What is the typical range of the interocclusal distance?

2-4 mm Signup and view all the answers

What is the characteristic of Centric Occlusion?

The relation of opposing occluding surfaces. Signup and view all the answers

What is the position of the condyles in the glenoid fossae when the patient is in an upright position?

Neutral and unstrained Signup and view all the answers

What is the position of the condyles in the glenoid fossae in Centric Relation?

In an unstrained position. Signup and view all the answers

What is the characteristic of the vertical dimension of rest?

It is constant throughout life Signup and view all the answers

What is the significance of the vertical dimension of rest?

It is a constant reference point for jaw relations Signup and view all the answers

What is the primary classification of jaw relationships?

Horizontal and Vertical. Signup and view all the answers

What is the definition of Protrusive relation?

The relation of the mandible to the maxilla when the mandible is in forward position. Signup and view all the answers

What is true about Centric Relation?

It is the most posterior relation of the mandible to the maxilla. Signup and view all the answers

What are Eccentric relations?

Any relation other than Centric Relation. Signup and view all the answers

What is a characteristic of a patient with a high vertical dimension of occlusion?

Facial appearance is stretched Signup and view all the answers

What is a symptom of a low vertical dimension of occlusion?

Whistling is distorted Signup and view all the answers

What is the effect of stress situations on vertical dimension?

Decreases vertical dimension Signup and view all the answers

What is a long-term variable that affects vertical dimension?

Age Signup and view all the answers

What is a result of high vertical dimension of occlusion?

Loss of biting power and muscular fatigue Signup and view all the answers

What is the formula to calculate C.O.R.?

C.O.R. = C.R. + V.D.O. Signup and view all the answers

What is the primary classification of jaw relationships?

Horizontal and vertical relations Signup and view all the answers

What is the characteristic of Centric Relation?

It is a bone-to-bone relationship Signup and view all the answers

What is the difference between Centric Relation and Centric Occlusion?

Centric Relation is a bone-to-bone relationship, while Centric Occlusion is a teeth-to-teeth relationship Signup and view all the answers

What is Protrusive Relation?

A bone-to-bone relationship when the mandible is in a forward position Signup and view all the answers

What is the characteristic of Eccentric Relations?

It is any relation other than Centric Relation Signup and view all the answers

What is the position of the condyles in the glenoid fossae in Centric Relation?

Unstrained position Signup and view all the answers

What is the result of high vertical dimension of occlusion on the lips?

They are unnaturally separated and have a strained appearance Signup and view all the answers

What is the effect of loss of proprioceptive impulses from the periodontal ligament on vertical dimension?

It increases the vertical dimension Signup and view all the answers

When the mandible is moved to the right or left side, what type of relationship exists between the mandible and maxilla?

Bone to bone Signup and view all the answers

What is the vertical dimension of the face when the condyles are in a neutral unstrained position in the glenoid fossae?

Vertical dimension of rest Signup and view all the answers

What is a common symptom of low vertical dimension of occlusion?

Angular cheilitis at the corner of the mouth Signup and view all the answers

What is the range of the interocclusal distance?

2-4 mm Signup and view all the answers

What is the relationship between C.O.R. and C.R.?

C.O.R. is equal to C.R. plus V.D.O. Signup and view all the answers

What is the result of subtracting the vertical dimension of occlusion from the vertical dimension of rest?

Interocclusal distance Signup and view all the answers

What is the effect of respiration on vertical dimension?

It increases the vertical dimension Signup and view all the answers

What is the characteristic of the vertical dimension of rest that makes it a constant position throughout life?

It is constant regardless of the presence of teeth Signup and view all the answers

What is the effect of age on vertical dimension?

It decreases the vertical dimension Signup and view all the answers

What is the relationship between the vertical dimension of rest and the vertical dimension of occlusion?

The vertical dimension of rest is greater than the vertical dimension of occlusion Signup and view all the answers

What is the primary characteristic of right and left lateral maxillo-mandibular relations?

They are bone to bone relations Signup and view all the answers

What is the vertical dimension of the face when the elevator and depressor muscles of the mandible are in a state of equilibrium?

Vertical dimension of rest Signup and view all the answers

What is the result of subtracting the vertical dimension of occlusion from the vertical dimension of rest?

Interocclusal distance Signup and view all the answers

What is the typical range of the interocclusal distance?

2-4 mm Signup and view all the answers

What is the position of the condyles in the glenoid fossae when the patient is resting comfortably in an upright position?

Neutral unstrained position Signup and view all the answers

What is the significance of the vertical dimension of rest?

It is a constant position throughout life Signup and view all the answers

What type of jaw relationship exists when the mandible is in a forward position?

Protrusive relation Signup and view all the answers

What is the term used to describe the unstrained position of the condyle in the glenoid fossa?

Centric relation Signup and view all the answers

What kind of relationship exists between the mandible and maxilla when the mandible is moved to the right or left side?

Right and left lateral maxillo-mandibular relations Signup and view all the answers

What is the term used to describe the relation of opposing occluding surfaces?

Centric occlusion Signup and view all the answers

What type of jaw relationship includes protrusive and right and left lateral maxillo-mandibular relations?

Eccentric relations Signup and view all the answers

What is the characteristic of centric relation in terms of the condyles in the glenoid fossae?

The condyles are in their unstrained position Signup and view all the answers

Which of the following symptoms is NOT associated with a high vertical dimension of occlusion?

Whistling is distorted Signup and view all the answers

What is the effect of stress situations on the vertical dimension of rest?

Decreases Signup and view all the answers

Which of the following is associated with a low vertical dimension of occlusion?

Pain in the temporo-mandibular joint Signup and view all the answers

What is the effect of age on the vertical dimension of rest?

Decreases Signup and view all the answers

Which of the following is a characteristic of a high vertical dimension of occlusion?

Lips are unnaturally separated Signup and view all the answers

What is the effect of loss of proprioceptive impulses from the periodontal ligament on the vertical dimension of rest?

Increases Signup and view all the answers

What is the defining characteristic of Centric Relation?

An unstrained position of the condyle in the glenoid fossa Signup and view all the answers

What is the term used to describe the relation of opposing occluding surfaces?

Centric Occlusion Signup and view all the answers

What is the relationship between the mandible and maxilla in Protrusive Relation?

The mandible is in a protruded position Signup and view all the answers

What is the classification of jaw relationships that includes Protrusive Relation?

Eccentric relations Signup and view all the answers

What is the position of the condyles in the glenoid fossae in Centric Relation?

In an unstrained position Signup and view all the answers

What is the relation of the mandible to the maxilla when the mandible is moved to the right or left side?

Right and left lateral maxillo-mandibular relations Signup and view all the answers

What is the primary characteristic of right and left lateral maxillo-mandibular relations?

Bone to bone relations Signup and view all the answers

What is the term used to describe the distance between the occluding surfaces of the maxillary and mandibular teeth when the mandible is in a specified relaxed position?

Interocclusal distance Signup and view all the answers

What is the vertical dimension of the face when the mandible is in rest position?

Vertical dimension of rest Signup and view all the answers

What is the range of the free way space?

2-4 mm Signup and view all the answers

What is the characteristic of the vertical dimension of rest?

It is constant throughout life Signup and view all the answers

What is the formula to calculate the free way space?

VDR - VDO Signup and view all the answers

What is a characteristic of a person with a high vertical dimension of occlusion?

Lips are unnaturally separated and have a strained appearance Signup and view all the answers

What is the effect of a high vertical dimension of occlusion on the free-way space?

Obliterates the free-way space Signup and view all the answers

What is a symptom of a low vertical dimension of occlusion?

Angular Cheilitis at the corner of the mouth Signup and view all the answers

What is the effect of stress on the vertical dimension of rest?

Decreases the vertical dimension of rest Signup and view all the answers

What is the formula for C.O.R.?

C.O.R. = C.R. + V.D.O. Signup and view all the answers

What is a long-term variable that affects the vertical dimension of rest?

Loss of proprioceptive impulses from the periodontal ligament Signup and view all the answers

What is the term used to describe the relation of the unstrained position of the condyle in the glenoid fossa?

Centric Relation Signup and view all the answers

What type of jaw relationship is classified into horizontal and vertical relations?

Jaw Relations Signup and view all the answers

What is the relation of the mandible to the maxilla when the mandible is in a forward position?

Protrusive Relation Signup and view all the answers

What is the characteristic of Centric Occlusion?

Teeth to teeth relationship Signup and view all the answers

What is the term used to describe any relation other than centric relation?

Eccentric Relations Signup and view all the answers

What is the primary classification of jaw relationships?

Horizontal and vertical relations Signup and view all the answers

What is the vertical dimension of the face when the elevator and depressor muscles of the mandible are in a state of balance?

Vertical dimension of rest Signup and view all the answers

What is the interocclusal distance also known as?

Free way space Signup and view all the answers

What is the characteristic of the right and left lateral maxillo-mandibular relations?

They are bone to bone relations Signup and view all the answers

What is the result of subtracting the vertical dimension of occlusion from the vertical dimension of rest?

Free way space Signup and view all the answers

What is the vertical dimension of the face when the teeth are in contact in centric occlusion?

Vertical dimension of occlusion Signup and view all the answers

What is the range of the interocclusal distance?

2-4 mm Signup and view all the answers

What is a characteristic of a person with a high vertical dimension of occlusion?

Stretched facial appearance Signup and view all the answers

What is the result of high vertical dimension of occlusion on the lips?

Unnaturally separated and strained appearance Signup and view all the answers

What is a symptom of a high vertical dimension of occlusion?

Generalized soreness and pain of the residual ridge Signup and view all the answers

What is the effect of a high vertical dimension of occlusion on the free-way space?

Obliterates the free-way space Signup and view all the answers

What is a variable that affects the vertical dimension of rest?

All of the above Signup and view all the answers

What is the formula to calculate C.O.R.?

C.O.R. = C.R. + V.D.O. Signup and view all the answers

What is the characteristic of Centric Relation in the temporomandibular joint?

Bone to bone relationship Signup and view all the answers

What type of jaw relationship exists when the mandible is moved to the right or left side?

Right and left lateral maxillo-mandibular relation Signup and view all the answers

What is the main difference between Centric Relation and Centric Occlusion?

Centric relation is bone to bone, while centric occlusion is teeth to teeth Signup and view all the answers

What is the term used to describe any relation other than centric relation?

Eccentric relation Signup and view all the answers

What is the unstrained position of the condyle in the glenoid fossa from which lateral movements can be performed at any given degree of jaw separation?

Centric relation Signup and view all the answers

What type of jaw relationship exists when the mandible is in a forward position?

Protrusive relation Signup and view all the answers

What is the characteristic of the right and left lateral maxillo-mandibular relations?

They are bone to bone relations Signup and view all the answers

What is the vertical dimension of rest?

The vertical separation of the jaws when the patient is resting comfortably in an upright position Signup and view all the answers

What is the interocclusal distance also known as?

Free-way space Signup and view all the answers

What is the position of the condyles in the glenoid fossae when the patient is resting comfortably in an upright position?

In a neutral unstrained position Signup and view all the answers

What is the result of subtracting the vertical dimension of occlusion from the vertical dimension of rest?

The interocclusal distance Signup and view all the answers

What is the range of the interocclusal distance?

2-4 mm Signup and view all the answers

What is a characteristic of a person with a high vertical dimension of occlusion?

Streched facial appearance Signup and view all the answers

What happens to the free-way space in a person with a high vertical dimension of occlusion?

It is obliterated Signup and view all the answers

What is a symptom of a person with a low vertical dimension of occlusion?

Whistling is distorted Signup and view all the answers

What is the effect of stress situations on the vertical dimension of rest?

It decreases Signup and view all the answers

What is the result of a high vertical dimension of occlusion on the residual ridge?

It accelerates bone resorption Signup and view all the answers

What is the formula for C.O.R.?

C.R. + V.D.R. Signup and view all the answers

What is the primary difference between Centric Relation and Centric Occlusion?

The relationship between the bone and teeth Signup and view all the answers

What is the term used to describe the relation of the mandible to the maxilla when the mandible is in a forward position?

Protrusive relation Signup and view all the answers

What is a characteristic of a person with a high vertical dimension of occlusion?

Stretched facial appearance and strained lip appearance Signup and view all the answers

What is the characteristic of Centric Relation that distinguishes it from other jaw relationships?

It is a bone-to-bone relationship Signup and view all the answers

What is the term used to describe any jaw relationship that is not Centric Relation?

Eccentric relation Signup and view all the answers

What is the effect of stress on the vertical dimension of rest?

Decreases Signup and view all the answers

What is the common characteristic of Protrusive, Right lateral, and Left lateral relations?

They are all Eccentric Relations Signup and view all the answers

What is the result of a high vertical dimension of occlusion on the residual ridge?

Accelerated bone resorption Signup and view all the answers

What is the position of the condyles in Centric Relation?

In an unstrained position in the glenoid fossa Signup and view all the answers

What is a long-term variable that affects the vertical dimension of rest?

Loss of proprioceptive impulses from the periodontal ligament Signup and view all the answers

What is a symptom of a person with a high vertical dimension of occlusion?

Clicking of teeth during mastication and speech Signup and view all the answers

What is the effect of age on the vertical dimension of rest?

Decreases Signup and view all the answers

What is the primary purpose of measuring the vertical dimension of rest?

To assess the equilibrium of the elevator and depressor muscles Signup and view all the answers

What is the relationship between the vertical dimension of occlusion and the interocclusal distance?

The interocclusal distance is the difference between the vertical dimension of rest and the vertical dimension of occlusion Signup and view all the answers

What is the significance of the neutral unstrained position of the condyles in the glenoid fossae?

It is essential for determining the vertical dimension of rest Signup and view all the answers

What is the term used to describe the vertical dimension of the face when the teeth are in contact in centric occlusion?

Vertical dimension of occlusion Signup and view all the answers

What is the relationship between the right and left lateral maxillo-mandibular relations?

They are bone-to-bone relations Signup and view all the answers

What is the significance of the vertical dimension of rest in dental treatment planning?

It is a reference point for dental restorations and prostheses Signup and view all the answers

Dentistry: Jaw Relationships

Questions and Answers

What is the primary classification of jaw relationships?

What is Centric Relation?

What is Centric Occlusion?

What is the characteristic of Eccentric relations?

What is Protrusive relation?

What is the characteristic of Centric relation?

What is a characteristic of high vertical dimension of occlusion?

Which of the following is a result of low vertical dimension of occlusion?

What is the formula for C.O.R.?

What is the effect of stress situations on vertical dimension?

What is a long-term variable that affects vertical dimension?

What is a symptom of high vertical dimension of occlusion?

What type of relations are right and left lateral maxillo-mandibular relations?

What is the vertical dimension of the face when the mandible is in rest position?

What is the vertical dimension of the face when the teeth are in contact in centric occlusion?

What is the distance between the occluding surfaces of the maxillary and mandibular teeth when the mandible is in a specified relaxed position?

What is the formula to calculate the interocclusal distance?

What is the position of the condyles in the glenoid fossae when the patient is resting comfortably in an upright position?

What is the primary characteristic of the vertical dimension of rest?

What is the relationship between the vertical dimension of rest and the vertical dimension of occlusion?

What is the typical range of the interocclusal distance?

What is the characteristic of Centric Occlusion?

What is the position of the condyles in the glenoid fossae when the patient is in an upright position?

What is the position of the condyles in the glenoid fossae in Centric Relation?

What is the characteristic of the vertical dimension of rest?

What is the significance of the vertical dimension of rest?

What is the primary classification of jaw relationships?

What is the definition of Protrusive relation?

What is true about Centric Relation?

What are Eccentric relations?

What is a characteristic of a patient with a high vertical dimension of occlusion?

What is a symptom of a low vertical dimension of occlusion?

What is the effect of stress situations on vertical dimension?

What is a long-term variable that affects vertical dimension?

What is a result of high vertical dimension of occlusion?

What is the formula to calculate C.O.R.?

What is the primary classification of jaw relationships?

What is the characteristic of Centric Relation?

What is the difference between Centric Relation and Centric Occlusion?

What is Protrusive Relation?

What is the characteristic of Eccentric Relations?

What is the position of the condyles in the glenoid fossae in Centric Relation?

What is the result of high vertical dimension of occlusion on the lips?

What is the effect of loss of proprioceptive impulses from the periodontal ligament on vertical dimension?

When the mandible is moved to the right or left side, what type of relationship exists between the mandible and maxilla?

What is the vertical dimension of the face when the condyles are in a neutral unstrained position in the glenoid fossae?

What is a common symptom of low vertical dimension of occlusion?

What is the range of the interocclusal distance?

What is the relationship between C.O.R. and C.R.?

What is the result of subtracting the vertical dimension of occlusion from the vertical dimension of rest?

What is the effect of respiration on vertical dimension?

What is the characteristic of the vertical dimension of rest that makes it a constant position throughout life?

What is the effect of age on vertical dimension?

What is the relationship between the vertical dimension of rest and the vertical dimension of occlusion?

What is the primary characteristic of right and left lateral maxillo-mandibular relations?

What is the vertical dimension of the face when the elevator and depressor muscles of the mandible are in a state of equilibrium?

What is the result of subtracting the vertical dimension of occlusion from the vertical dimension of rest?

What is the typical range of the interocclusal distance?

What is the position of the condyles in the glenoid fossae when the patient is resting comfortably in an upright position?

What is the significance of the vertical dimension of rest?

What type of jaw relationship exists when the mandible is in a forward position?

What is the term used to describe the unstrained position of the condyle in the glenoid fossa?

What kind of relationship exists between the mandible and maxilla when the mandible is moved to the right or left side?

What is the term used to describe the relation of opposing occluding surfaces?

What type of jaw relationship includes protrusive and right and left lateral maxillo-mandibular relations?

What is the characteristic of centric relation in terms of the condyles in the glenoid fossae?

Which of the following symptoms is NOT associated with a high vertical dimension of occlusion?

What is the effect of stress situations on the vertical dimension of rest?

Which of the following is associated with a low vertical dimension of occlusion?

What is the effect of age on the vertical dimension of rest?

Which of the following is a characteristic of a high vertical dimension of occlusion?

What is the effect of loss of proprioceptive impulses from the periodontal ligament on the vertical dimension of rest?

What is the defining characteristic of Centric Relation?

What is the term used to describe the relation of opposing occluding surfaces?

What is the relationship between the mandible and maxilla in Protrusive Relation?

What is the classification of jaw relationships that includes Protrusive Relation?

What is the position of the condyles in the glenoid fossae in Centric Relation?

What is the relation of the mandible to the maxilla when the mandible is moved to the right or left side?