| Question 3: Briefly explain what is tooth decay Students answers | ||
| Options | No. | % |
| 1.- It is a multifactorial disease | 98 | 23.7 |
| 2.- It is a disease of the teeth | 68 | 16.5 |
| 3.- It is a bacterial disease | 54 | 13.1 |
| 4.- It is the process of demineralization of teeth | 34 | 8.2 |
| 5.- It is the infection of the teeth due to poor hygiene | 23 | 5.6 |
| 6.- It is an abnormality in the tooth causing its rupture | 21 | 5.1 |
| 7.- It is the accumulation of bacteria | 18 | 4.4 |
| 8.- It is a contagious disease | 16 | 3.9 |
| 9.- They are holes in the dentin and enamel | 13 | 3.1 |
| 10.- They are microorganisms damaging to tooth | 10 | 2.4 |
| 11.- It is infection in teeth | 7 | 1.7 |
| 12.- Is the destruction of the tooth structure by bacteria | 7 | 1.7 |
| 13.- They are bacteria that live on the teeth | 6 | 1.5 |
| 14.- It is a pathology that affects the tooth | 5 | 1.2 |
| 15.- They are black spots on teeth | 5 | 1.2 |
| 16.- They are bacteria that calcify on the teeth | 5 | 1.2 |