Isolation of the operationIsolation of the operation
fieldfield
Dry field in oralDry field in oral
environment?environment?
 AccessAccess
 ViewView
 Setting of materialsSetting of materials
What does complicate the access?What does complicate the access?
 SalivaSaliva
 Cooling water spray (??)Cooling water spray (??)
 BloodBlood
Dry field managementDry field management
Relative dry fieldRelative dry field
Absolute dry fieldAbsolute dry field
Relative dry fieldRelative dry field
Cotton rollersCotton rollers
Cotton squaresCotton squares Cotton cups
Relative dry fieldRelative dry field
 Belvedere matrixBelvedere matrix
 Wooden wedgesWooden wedges
 MinidamMinidam
dd
 IxIx
Wooden wedge
Access to the cavity
(retracts the gingiva)
Dry field
(stops bleeding)
- Matrix adaptation
(presses the strip tightly)
Absolute dry fieldAbsolute dry field
Rubber dam (kofferdam)Rubber dam (kofferdam)
A membrane which isolates the operation fieldA membrane which isolates the operation field
from oral envionment.from oral envionment.
Components
Perforation forceps
Frame
Rubber
Template
Clamp
Forceps for clamps
BenefitsBenefits
 Protection of patient against gulp or aspirationProtection of patient against gulp or aspiration
 Protection of dentist and assistant against infectionProtection of dentist and assistant against infection
 Possibility of the aseptic approachPossibility of the aseptic approach
 Absolute dry fieldAbsolute dry field
 Retraction of soft tissuesRetraction of soft tissues
 Protection of soft tissuesProtection of soft tissues
 Better access to the operation fieldBetter access to the operation field
Nevýhody a nebezpečíNevýhody a nebezpečí
kofferdamukofferdamu
 Limitation of oral breathingLimitation of oral breathing
 FearFear
 Latex allergyLatex allergy
 Aspiration or gulp of the clampAspiration or gulp of the clamp
 Damage of hard and soft tissuesDamage of hard and soft tissues
Rubber
Roll
Square (blank)
Perforation
Round aperture
Perforation plate
Jak velká bude perforace?
Podle velikosti zubu
Podle síly a druhu blány
Podle způsobu nasazení kofferdamu
arch
wings
Clamps for retention
Clamps for retraction
Contact – areal 4 pointed
Kolik zubů izolovat ?
Způsoby nasazeníZpůsoby nasazení
 Napřed blána, potom sponaNapřed blána, potom spona
 Napřed spona potom blánaNapřed spona potom blána
 Přes oblouk sponyPřes oblouk spony
 Sekundové nasazeníSekundové nasazení
Ligaturs
Latex rollers
Lubrikation
Napkin