Demirjian stages of calcification | Haavikko stages of calcification | Solari stages of calcification | Moorrees stages of calcification | Stage terminology | Description of stage according to image |
---|---|---|---|---|---|
D | Ri | D | Ri | Root initial/crown complete | Some root visible but less than half crown height |
E | R1/4 | E | Rcl | Cleft | Beginning of root furcation visible as a dot or line |
R1/4 | Root one-quarter | Clear semilunar furcation visible | |||
F | R1/2 | F | R1/2 | Root one-half | Root bifurcation more extensive. Root length equal to crown height. Distal root canal walls diverge with sharp edges |
R3/4 | F1 | R3/4 | Root three-quarters | Root length considerably more than crown height and root canal walls diverge | |
G | Rc | G | Rc | Root complete | Walls of the distal root canal are parallel and full length with rounded/blunt edges |
G1 | A1/2 | Apex half closed | Apex of distal root partially open. Periodontal ligament slightly wider at distal apex | ||
H | Ac | H | Ac | Apex closed | Distal apex appears closed with uniform periodontal ligament width |