1Sjodin B,Crossner CG.A retrospective longitudinal study of alveolar bone loss in the primary dentition in patients with localiaed juvenile periodontitis.J Clin Periodontol,1989,16:124-127.
3Hausmann E,Allen K.What Alveolar Crest Level on a Bite-Wing Radiograph Represents Bone Loss.J Periodontol,1991,62:570 -572.
4Shapira L,Tarazi E.The relationship between alveolar born height and age in the primary dentition.J Clin Periodontol,1995,22:408-412.
5Sjodin B,Matsson L.Marginal bone level in the normal primary dentition.J Clin Periodontol,1992,19:672-678.
6Keszthelyi G,Szabo 1.Attachment loss in primary molaar.J Clin Periodontol,1987,14:448-451.
7Bimstein E,Soskolne A.W.Histomorphologic changes in the gingival and pulp of overretained primary teeth.J of Dent for Children,2000,67:403-407.
8Bimstein E,Soskolne A.W.A radiographic study of interproximal alveolar bone crest between the primary molar in children.J Dent child,1988,55:348-350.
9Goodson JM.Clinical measurements of periodontitis.J Clin Periodontol,1986,13:446-455.
10Hammerle CH,Ingold HP.Eveluation of clinical and radiographic scoring methods before and after initial periodontal therapy.J Clin Periodontol,1990,17:255-263.
3Eidelman E,Ulmanksy M,Michaeli Y,et al. Histopathology of the pulp in primary incisors with deep dentinal caries [ J 1. Pedi- atr Dent,1992,14(6) :372.
4Eleazer P, Bolanos O, Sinai I, et al. The effect of unbound powdered materials on dog dental pulps [ J ]. J Endodon, 1981,7 (10) :462.
5Paterson RC,Radford JR,Watts A. The response of the rat molar pulp of two proprietary calcium hydroxide preparations [ J ]. Br Dent J,1981,151 (6) :184.