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Schei, O., J Waerhaug, A. Lovdal, and A. Arno. Alveolar Bone Loss as Related to
Oral Hygiene and Age. J. Periodontal., 30: 7; 1959.
Purpose
To attempt to investigate the relationship between the efficiency of O.H. and the loss of alveolar bone.
Materials and Methods
- 737 male workers and staff from industrial plant in OSls. Only up to 45 year age included.
- Age group: 21-25, 26-30, 31-35, 36-40, 41-45.
- 10 roentgenograph for each person.
- CEJ to crest of alveolar bone <= 1 mm is considered normal.
- measurement of bone height by using a ruler.
- Toothbrushing:
1. good. all surface clean.
2. fairly good. some surface.
3. not good. all surface covered by deposit.
Results
- Group 21-25: difference in bone height between 3 hygiene groups not considerable but good hygiene tends to have less bone loss.
- Group 26-30
- Group 31-35
- Group 36-40
- Group 41-45: the difference between the three hygiene groups comes out more clearly.
In all groups, bone loss higher around the anterior teeth next the molars and premolars. The highest bone percentage was cuspid.
In the anterior, the bone percentage was significantly lower on R side tha L.
Discussion
The destruction of the alveolar bone is significantly related to the efficiency of oral hygiene.
Asymmetry of bone levels in the front teeth:
A great number of people skipped the R front teeth when they turned the brush from the R to the L side or vice versa predominated among 12-handed persons.
Conclusion
- Loss of alveolar bone increase with decrease efficiency of oral hygiene.
- Los of alveolar bone increase with age.
- The bone around the teeth subjected to resorption in the following order: anterior molars, bicuspids and cuspids.
- R-handed people brush the left incisors better than the R ones, more bone loss on the R side.
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