Also known as: Mucoperiosteal flap
May have crestal resorption up to 2mm
Allows access to bone
Includes the periosteum
Does not allow full access to bone
Periosteum remains attached to bone
Also known as a “Split thickness flap”
All of the responses above are correct.
RELEASED (OR RELAXED, OR PEDICLE) FLAP
PARTIAL THICKNESS FLAP
FULL THICKNESS FLAP
1.0 - 1.8mm
1st true, 2nd false.
1st false, 2nd true.
Crown Prep gone good!
Crown Prep GONE BAD!
Teeth that have decayed or fractured below the gingival margin.
Excessive wear of the dentition.
Teeth with inadequate inter-occlusal space.
All of the above are an indication for Crown Lengthening.