Words to Describe trephination

How trephination often is described ("________ trephination")

• cranial
• unsuccessful
• successful
• partial
• simple
• thickness
• sinus
• small
• surgical
• frontal
• mechanical
• apical
• irregular
• exploratory
• circular
• recipient
• manual
• corneal
• counter
• corneoscleral
• prophylactic
• diagnostic