Application of a Cone-Beam Computed Tomography-Based Index for Evaluating Surgical Sites Prior to Sinus Lift Procedures—A Pilot Study

Table 2

The intrasurgical parameters and scoring pattern in the SDS checklist.

Intrasurgical parameter	Findings	Difficulty score (DS)
1. Operating time	Within 120 min	0
	More than 120 min	1
2. Perforation of the sinus membrane	Occurred	1
	Did not occur	0
3. Bleeding from alveolar antral artery	Occurred	1
	Did not occur	0
4. Damage or injury of adjacent teeth, fracture, fenestration, dehiscence, or perforation of alveolar bone, improper positioning or angulation of the fixture, and obstruction of the osteomeatal complex	Occurred	1
	Did not occur	0