Intro Operative [Ergonomics- Maxilla]

Light Position for Maxillary arch

between 60° to 45° angle to floor

Patient Head: Chin Up position

Maxillary Right Posterior [Right Handed]

Buccal Surfaces

Zone: 9

Vision: Direct

Patient's Head: Left

Fulcrum: Mand Right Posteriors (B)

Maxillary Right Posterior [Left Handed]

Buccal Surfaces

Zone: 3

Vision: Direct

Patient's Head: Left

Fulcrum: Max anteriors (I)

Maxillary Right Posterior [Right Handed]

Occlusal Surfaces

Zone: 11

Vision: Indirect

Patient's Head: Center

Fulcrum: Max Right Posterior (B)

Maxillary Right Posterior [Left Handed]

Occlusal Surfaces

Zone: 1

Vision: Indirect

Patient's Head: Center

Fulcrum: Max Left Premolars (O)

Maxillary Right Posterior [Right Handed]

Lingual Surfaces

Zone: 9

Vision: Direct

Patient's Head: Right

Fulcrum: Max Right Posteriors (B) or (O)

Maxillary Right Posterior [Left Handed]

Lingual Surfaces

Zone: 3

Vision: Direct

Patient's Head: Right

Fulcrum: Max Left Premolars (O)

Maxillary Anterior [Right Handed]

Facial Surfaces

Zone: 11

Vision: Direct

Patient's Head: Center

Fulcrum: Max Right Premolar (O)

Maxillary Anterior [Left Handed]

Facial Surfaces

Zone: 1

Vision: Direct

Patient's Head: Center

Fulcrum: Max Left Premolars (O) or Incisors (I)

Maxillary Anterior [Right Handed]

Lingual Surfaces

Zone: 11

Vision: Indirect

Patient's Head: Center

Fulcrum: Max Right Premolars (O)

Maxillary Anterior [Left Handed]

Lingual Surfaces

Zone: 1

Vision: indirect

Patient's Head: Center

Fulcrum: Max left premolars (O)

Maxillary Anterior [Right Handed]

Incisal Surfaces

Zone: 11

Vision: Direct or Indirect

Patient's Head: Center

Fulcrum: Max Right Premolars (O)

Maxillary Anterior [Left Handed]

Incisal Surfaces

Zone: 1

Vision: Direct or Indirect

Patient's Head: Center

Fulcrum: Max Left Premolars (O)

Maxillary Left Posterior [Right Handed]

Buccal Surfaces

Zone: 10

Vision: Direct

Patient's Head: Right

Fulcrum: Max anteriors (I)

Maxillary Left Posterior [Left Handed]

Buccal Surfaces

Zone: 10

Vision: direct

Patient's Head: right

Fulcrum: Max anteriors (I) / Man posterior (L)

Maxillary Left Posterior [Right Handed]

Occlusal Surfaces

Zone: 11

Vision: indirect

Patient's Head: Center

Fulcrum: Max Right Premolar

Maxillary Left Posterior [Left Handed]

Occlusal Surfaces

Zone: 1

Vision: Indirect

Patient's Head: Center

Fulcrum: Max Left Poster (B)

Maxillary Left Posterior [Right Handed]

Lingual Surfaces

Zone: 9

Vision: Direct

Patient's Head: Left

Fulcrum: Max Right Premolars (O)

Maxillary Left Posterior [Left Handed]

Lingual Surfaces

Zone: 3

Vision: Direct

Patient's Head: Left

Fulcrum: Max Left Posterior (O)