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Volume 18 (1976)
- Issue 4 Pages 455-
- Issue 3 Pages 331-
- Issue 2 Pages 165-
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Volume 18, Issue 4
Displaying 1-9 of 9 articles from this issue
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XIII Progress in the United States and in Japan on the Study of the Use of Coenzyme Q in Periodontal DiseaseKarl Folkers, Tatsuo Watanabe1976 Volume 18 Issue 4 Pages 455-467
Published: December 28, 1976
Released on J-STAGE: July 16, 2010
JOURNAL FREE ACCESSStatistics show that about 60% of young adults and 80% of middleaged people in the United States have periodontal disease, and presumably about the same incidence occurs in Japan. More effective treatment of this affliction is needed. Oral physiotherapy can be ineffective.
There is increasing awareness that good nutrition is related to good periodontal health, and the many known vitamins influence the biochemistry of teeth, periodontium, and related bone. Coenzyme Q10 (CoQ10) naturally exists in the mitochondria of gingival tissue and has indispensable functions in the bioenergetics of the gingiva. A significant deficiency (P<0.001) of CoQ10 in diseased gingival tissues has been repeatedly found.
The clinical administration of three forms of CoQ, CoQ10, CoQ7, and hexahydro CoQ4, has been conducted by general dentists and periodontists with a common conclusion that the administration of this vitamin-like substance was therapeutically beneficial. Six double-blind administrations involving all three forms of CoQ have also been conducted with significant results. The double-blind administration of CoQ10, the form in human tissue, was significant (P<0.01). Before decoding, all eight patients receiving CoQ10 and 7/10 patients receiving placebo were correctly assigned.
A study of 29 periodontal patients showed that 100% had a gingival deficiency, and 86% also had a leucocytic deficiency of CoQ10. The blood deficiency appears to result from nutritional imbalance. A preexisting deficiency of CoQ10 in the gingiva may predispose this tissue to periodontitis, particularly during neglected oral hygiene. Periodontitis could enhance and also cause a gingival deficiency.
Therapy with CoQ to improve bioenergetics can be effective treatment, and may be used prophylactically or adjunctively for extraordinary healing during routine periodontal therapy.View full abstractDownload PDF (1666K) -
Takashi WATANABE1976 Volume 18 Issue 4 Pages 468-485
Published: December 28, 1976
Released on J-STAGE: July 16, 2010
JOURNAL FREE ACCESSThe purpose of this study was to compare the degree of apical shift of gingival margin on inflamed gingiva by three toothbrushing techniques (modified Stillman's, roll and scrubbing method). Fifty-seven patients with mild periodontitis were used for this study. Patients were divied to three groups (19 patients for each group). Each group was instructed one of the three methods, at the beginning of the study. The position of the gingival margin was assessed on labial surface of upper and lower central incisors. At the same time, pocket depth of the labial and proximal surfaces as well as gingival and plaque index was scored. These examinations were performed at the beginning of the study, and were repeated at the 1st, 3rd, 5th, 9th and 13th week.
The results of this examination were as follows.
At the labial area, apical shift of gingival margin was found in all three groups. The modified Stillman's method showed the highest tendency to reduce the position of margin. Then the rolling method was followed. The scrubbing method made a minimum change on gingival margin. The bottom of the pocket, however, did not change during the period of this study in spite of difference of three brushing meshods.
At the proximal areas, period of this the scrubbing method was found to significantly reduce the pocket depth when compared with other methods.
The scrubbing method was the most effective on plaque removal among three brushing methods.
Gingival Index scores were decreased during the period of this study, though significant differences among the three methods could not be found.View full abstractDownload PDF (4836K) -
I. Citric Acid Contents in Pocket Exudate, Serum and Whole Saliva from the Patients with Periodontal DiseaseMichio HIRADE1976 Volume 18 Issue 4 Pages 486-494
Published: December 28, 1976
Released on J-STAGE: July 16, 2010
JOURNAL FREE ACCESSThe citric acid contents in pocket exudate, serum and whole saliva collected from the patients with periodontal disease were measured fluorometrically by Hori's method, and compared with various clinical findings such as PMA-index, OHI-score (debris score and calculus score), pocket depth (mm) and bone loss (%). The pocket exudate was collected by paper strips.
The following results were obtained:
1. The citric acid contents in pocket exudate were able to be measured in all subjects.
2. The citric acid contents in both pocket exudate and serum were observed to correlation with the PMA-index (P<0.001, P<0.001), calculus score (P<0.001, P<0.01), pocket depth (P<0.001, P<0.01), and bone loss (P<0.01, P<0.01) except debris score.
3. The citric acid contents in both pocket exudate and serum showed remarkably higher value than normal value (P<0.05, P<0.05), but the citric acid contents in whole saliva had a tendency to show slightly lower value than normal value.View full abstractDownload PDF (1120K) -
Takeshi UCHIDA, Teisuke KIKUCHI, Shinichi ANAMURA, Yumiko HARUMA, Hiro ...1976 Volume 18 Issue 4 Pages 495-501
Published: December 28, 1976
Released on J-STAGE: July 16, 2010
JOURNAL FREE ACCESSSixty patients with various degrees of periodontal disease were studied to determine whether measurement of the reduction of nitroblue tetrazolium dye (NBT) by polymorphonuclear neutrophils was of value in diagnosis in periodontal disease
The following results were obtained.
1. A significant correlation was found between the percentage of NBT-positive cells and the salivary leukocyte count which is the parameter of periodontal inflammation (p<0.01).
2. The percentage of NBT-positive cells, however, did not show a signifcant correlation with Dunning and Leach's Gingival-Bone count.
3. The rate of NBT-positive cells in blood from the gingiva was higher than that in venous blood. It was testified that this was due to contamination of blood with dental plaque when blood was taken from the gingiva.
The neutrophils were stimulated both by the phagocytosis of oral microorganisms and by endotoxin.View full abstractDownload PDF (972K) -
Momoyo NISHIDA, Yoji MURAYAMA, Yoshio NOMURA, Kiyokazu ASANO, Fumikazu ...1976 Volume 18 Issue 4 Pages 502-510
Published: December 28, 1976
Released on J-STAGE: July 16, 2010
JOURNAL FREE ACCESSThe present study was undertaken to investigate the change of hypersesitivity following the surgical periodontal treatment, involving gingivectomy and flap operation for a period of eight weeks. We obtained the following results:
The exposed root surfaces displayed the highest sensitivity one week after the operation, but this high sensitivity level did not remain for a long time. Furthermore, in many cases, after the elapse of eight weeks, post operative sensitivity had naturally desensitized. It is presumed that the peak sensitivity observed in the early days after the operation might be mainly due to the exposure of root dentin directly to the oral environment as a result of the removal of almost all cementum layer after thhe surgical periodontal treatment, and that the hypermineralization in the surface layer by minerals derived from saliva might participate the gradual decrease of the sensitivity.
The teeth of the young group, compared to those of the old group, showed a higher incidence and degree of post operative hypersensitivity. And the improvement of this hypersensitivity required longer time in young group.
The correlationship between the degree of sensitivity and the width of exposed root surface was recognized for the period up to 2 weeks after the operation. But in 4 weeks and 8 weeks after the operation there was no correlationship.View full abstractDownload PDF (1120K) -
Yusuke KOWASHI, Masaki SAWABE, Shiro KINOSHITA1976 Volume 18 Issue 4 Pages 511-515
Published: December 28, 1976
Released on J-STAGE: July 16, 2010
JOURNAL FREE ACCESSThis investigation was carried out to determine whether two water pressure irrigating devices (Porta dent and Water pik) were effective in removing dental plaque in facial crevicular and interproximal areas in man and to compare the effects on the plaque removing ability of these two irrigating devices, rinse and toothbrushing (Roll method).
Nine adults who had normal dentition, few dental restorations and clinically healthy periodontal tissue were served as the subjects of this study. They were cleansed all the tooth surfaces and made plaque score O. They were forbidden to use toothbrushes and other oral hygiene aids for 24 hours. After the plaque scores before cleansing were evaluated, they practised the given cleansing method for five minutes and the plaque scores after cleansing were evaluated.
They took part in four cycles of this experimental process.
The averages of the percentage of plaque removal on all the tooth surfaces were as follows:
(I) facial----1) 11.7% Porta dent, 2) 10.7% Water pik, 3) 3.3% rinse and 4) 72.7% toothbrushing.
(II) facial proximal----1) 9.3% Porta dent, 2) 18.1% Water pik, 3) 5.4% rinse and 4) 22.3% toothbrushing.
The results of an analysis of varience showed statistically significant difference at five percent level between Porta dent and rinse in facial area, between Water pik and Porta dent in facial proximal area, and between Water pik and rinse in facial proximal area.
In facial area, the plaque removal effect of toothbrushing was more striking than any other methods.View full abstractDownload PDF (561K) -
Noboru YAMAMOTO, Yoshiaki MURAOKA, Kohji HASEGAWA, Takeshi SUEDA, Shir ...1976 Volume 18 Issue 4 Pages 516-520
Published: December 28, 1976
Released on J-STAGE: July 16, 2010
JOURNAL FREE ACCESSOur previous report comparing the efficacy of various interdental cleaning means revealed the use of dental floss or Interdental-Brush (Denticator Co.) was more preferable than others such as rubber tip and wooden stimulator.
However, the limitation of the use of Interdental-Brush was noticed in cases where the narrow interdental space were present.
The present work was perfomed to investigate the inter-cervical distance of approximating tooth. Thirty-five human dry skulls with normal dentition and twenty periodontal patients comprised the material.
The mean interdental distance (measured from 666 inter-dental spaces) was found as 1.4mm for human dry skulls and the same value was obtained for the periodontal patients (measured from 243 interdental spaces).
The mean intercervical distance which allowed the passage of Interdental-Brush was found as 1.6mm, while the mean intercervical distance which did not allow the passage was found as 1.0mm.View full abstractDownload PDF (554K) -
Tadashi NAKASHIZUKA, Furito ITO, Shozo YAMADA, Michio HIRADE1976 Volume 18 Issue 4 Pages 521-525
Published: December 28, 1976
Released on J-STAGE: July 16, 2010
JOURNAL FREE ACCESSThe effects of scaling and brushing on the viscosity of whole saliva, sialic acid contents and oral hygiene index (debris score) in the patients with periodontal diseases (16) was investigated at weekly intervals for a month. The viscosity was measured by a cone-plate viscometer. Sialic acid contents was measured by Warren's method. The debris score was determined by Greene-Vermillion's method.
The following results were obtained:
1. Both of the viscosity and the debris score were significantly improved by scaling and brushing, but the sialic acid contents was not found difference.
2. No statistically significant correlation was found between the viscosity and the sialic acid contents, between the sialic acid contents and the debris score, or between the viscosity and the debris score, respectivility.View full abstractDownload PDF (511K) -
Akitsugu UCHIDA, Momoyo NISHIDA, Tomonobu KIDA, Junzi KAWAI, Yoshifumi ...1976 Volume 18 Issue 4 Pages 526-536
Published: December 28, 1976
Released on J-STAGE: July 16, 2010
JOURNAL FREE ACCESSA nine year old boy with idiopathic gingival fibromatosis is reported.
He has a familial history of enlarged gingivae through three generations.
General physical examination did not reveal any abnomality.
Gingivectomy including gingivoplasty of the entire maxilla and mandibula was performed in six stages for the patient's cosmetic demand and the trearment of four first molars with deep occlusal caries.
Follwing the operation, no signs of recurrence were noted except the left upper molar region in which gingivae showed signs of growing back to some extent.
The effects of the timing and the technique of gingivectomy and oral hygiene maintenance to the recurrence of overgrowth are discussed.View full abstractDownload PDF (12160K)
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