Table 3.
CLINICAL SCORE OF RECALLED TEETH AT 6, 12, 18, AND 24 MONTHS*
| Time (mos) |
Material | Clinical score |
Total n (%) |
|||
|---|---|---|---|---|---|---|
| 1 (NC) n (%) |
2 (poor OH) n (%) |
3 (perio) n (%) |
4 (abscess) n (%) |
|||
| 6 (n=222) | DFC | 110 (96) | 2 (2) | 0 (0) | 2 (2) | 114 (51) |
| GMTA | 104 (96) | 4 (4) | 0 (0) | 0 (0) | 108 (49) | |
| 12 (n=186) | DFC | 88 (98) | 2 (2) | 0 (0) | 0 (0) | 90 (48) |
| GMTA | 93 (97) | 3 (3) | 0 (0) | 0 (0) | 96 (52) | |
| 18 (n=155) | DFC | 73 (94) | 4 (5) | 0 (0) | 1 (1) | 78 (51) |
| GMTA | 75 (97) | 2 (3) | 0 (0) | 0 (0) | 77 (49) | |
| 24 (n=131) | DFC | 60 (91) | 5 (8) | 0 (0) | 1 (2) | 66 (51) |
| GMTA | 62 (95) | 3 (5) | 0 (0) | 0 (0) | 65 (49) | |
| Combined (n=694) |
DFC | 331 (95) | 13 (4) | 0 (0) | 4 (1) | 348 (51) |
| GMTA | 334 (97) | 12 (4) | 0 (0) | 0 (0) | 346 (49) | |
*
NC=no change; poor OH=poor oral hygiene as defined by plaque index; perio=significant periodontal changes, such as swelling, erythematous, or bleeding gingivae; abscess=accumulation of tissue fluid mixed with pus in the periodontal complex; DFC=diluted formocresol; GMTA=gray mineral trioxide aggregate; only score 4=abscess was considered a failure.