Principles of Surgery

Make a Diagnosis

Know your patient Examine your patient Look at the data Consider the alternatives Is picking up a knife the best thing to

do?

Be Prepared for Surgery

Proper instrumentation and supplies Surgical access

Mouth openingGood visibilityLightingSuctionFlaps

Good assistants

Be Aseptic

Try not to make the patient worse than before he came to see you!

Don’t contaminate your environment

A Chance to Cut is a Chance to Cure

Buy a new knifeBe assertiveWatch where you are goingConsider closure

Principles of Flap Design

Types of Flaps

Split thickness Full thickness

Indications for Flaps

Design Principles

Size

Anatomical Landmarks

Base-Margin Relationships

Thickness

Location of Margins

Relieving Incisions

Dental Papillae

Suturing

Sample Flaps

Maxillary Flaps

Mandibular Flaps

Apicoectomy Flaps

Palatal Flaps

Maxillary Third Molar Flaps

Mandibular Third Molar Flaps

Mandibular Third Molar Flaps

The Goal in Flap Design

Three Prinicples of Tissue Handling

Gentle Gentle Gentle

But it’s Bleeding

Tamponade Indirect pressure Cautery Ligation Hemostatics

GelfoamSurgicelCollagen

Dead space

What about it? Can I prevent it?

Proper suturingPressure dressingsDrainsPacking

Sew?

When Resorbable or non-resorbable Swaged or tied Size Needle Material

Have a nice day