Maxillary Teeth Guidelines from Occlusal View

Play an AI-generated podcast conversation about this lesson

Why should the teeth not be placed lingual to the residual ridge?

To provide better stability for the dentures

To improve the aesthetics of the dentures

To ensure proper alignment of the teeth

To prevent displacement of dentures when the tongue moves (correct)

In what direction is the long axis of the maxillary 1st premolar when viewed proximally?

Parallel to the vertical axis (correct)

Perpendicular to the occlusal plane

Tilted distally

Tilted buccally

Where is the palatal cusp of the maxillary 1st premolar positioned occlusally?

Tilted distally

0.5mm below the occlusal plane

Tilted buccally

Touches the occlusal plane (correct)

How is the maxillary 2nd molar oriented facially?

Tilted distally Signup and view all the answers

What happens occlusally with the cusps of the maxillary 2nd premolar?

Both buccal and palatal cusps touch the occlusal plane Signup and view all the answers

How is the long axis of the maxillary 1st molar oriented proximally?

Tilted buccally Signup and view all the answers

Why is the inclination of the occlusal plane an important factor in stability or instability of dentures?

It influences the stability of dentures by being parallel to both ridges. Signup and view all the answers

How should the bucco-lingual position of posterior teeth be determined?

By considering the positions of the anterior teeth anteriorly and the basal seat posteriorly. Signup and view all the answers

What happens if the posterior teeth are placed buccal to the ridge?

The dentures may tip on the opposite side when pressure is applied to these teeth. Signup and view all the answers

Why should the level of the occlusal plane be placed as nearly as possible to the position of the occlusal plane of natural teeth?

To enhance stability and comfort while wearing dentures. Signup and view all the answers

What is the significance of placing the anterio-posterior groove (central) on the crest of the residual ridge?

It aids in proper alignment of maxillary and mandibular posterior teeth. Signup and view all the answers

How does aligning the maxillary and mandibular posterior teeth with the basal seat influence denture stability?

It increases stability by ensuring proper occlusal relationships. Signup and view all the answers

What is the orientation of the long axis of the mandibular 1st molar when viewed from the side?

Slopes slightly lingually Signup and view all the answers

In which direction is the long axis of the mandibular 2nd molar tilted when viewed from the front?

Mesially Signup and view all the answers

What is the characteristic of the occlusal alignment of the mandibular 2nd molar compared to the 1st molar?

All cusps above the level of 1st molar Signup and view all the answers

What is the function of the compensatory curve in prosthodontics?

To develop balanced occlusion Signup and view all the answers

Which curvature involves alignment from the tip of the lower canine to the buccal cusps of natural premolars and molars?

Curve of Spee Signup and view all the answers

In the 'Molar Key of Occlusion,' where should the mesio-buccal cusp of maxillary molars coincide?

With buccal groove of mandibular molars Signup and view all the answers

What guidelines should the maxillary teeth follow when viewed from the occlusal surface?

Place all buccal surfaces of the 1st and 2nd molars in a straight line. Signup and view all the answers

How should the position of the mandibular 2nd premolar be in relation to the occlusal plane?

Both cusps are 2mm above the level of the occlusal plane. Signup and view all the answers

What should be checked after placing each mandibular tooth in its correct position?

The position of the incisal guide pin on the guide table. Signup and view all the answers

In what direction should the long axis of the mandibular 1st premolar slope when viewed from the side?

Lingually. Signup and view all the answers

How should the buccal cusp of the mandibular 1st premolar be positioned in relation to the occlusal plane?

2mm above. Signup and view all the answers

What is significant about the placement of mandibular posterior teeth in relation to occlusion?

It affects both centric and lateral excursions. Signup and view all the answers

Maxillary Teeth Guidelines from Occlusal View - Prosthodontics Lecture 15

Podcast Beta

Questions and Answers