Dental If during rubber dam application, you see the gingiva is protruding out of margins; what can be the cause for it? A Holes on rubber dam placed too far from each other B Holes on rubber dam placed too close from each other C Gingival tissue around holes are oedematous D Rubber dam is too thin 💡 Explanation If during rubber dam application, you see the gingiva is protruding out of margins; what can be the cause for it? ✓ Correct Answer: B. Holes on rubber dam placed too close from each other