- Dentition classified into 7 dentition types : มีการ classified อย่างไรบ้างคะ

- ใน table 2 ที่มีการแสดงผล medical and behavioral characteristics พบ 3.3% had history of cerebrovascular disease, and 1.7% had history of depression โรค cerebrovascular disease & depression ไม่ได้มีการ exclude ไปตั้งแต่ exclusion criteria แล้วหรือคะ--> (Any individuals with history of dementia, depression, psychiatric disorders, cerebrovascular diseases, cancer, major head trauma or any brain diseases were excluded ที่เขียนไว้ในส่วน materials and methods)

- ในส่วน discussion ที่เปรียบเทียบ Periodontal disease และ active caries ของ 8th national survey among general Thai population และ Srisilapanan & Jai-Ua, 2013 ใช้เกณฑ์การวินิจฉัยเหมือนกันไหมคะ เหมือนหรือแตกต่างกันอย่างไรบ้างคะ

ขอบคุณค่ะ

Thank you for your questions and kind attention of my study.

- Dentiton types were classified by types of present functional teeth for mastication; 1) All natural teeth, 2) Natural teeth with fixed prostheses, 3) Natural teeth with fixed and removable protheses, 4) Natural teeth with removable prostheses, 5) Complete denture, 6) Partial edentulism without prosthesis, and 7) Completed edentulism without prosthesis. In this study, there were no participants having completed edentulism without prosthesis. So, it was only 6 dentitions showed in the table 3 of my proceeding paper.

- These results happened by limitations in self-reported interview of participants. Some participants rejected all exclusion criteria because they did not get any treatments or hospitalizations from specific medical problems. Anyway, after participation, they reported their related symptoms or experienes in their lifetime during interview but it was not clearly confirmed by doctors, for example by CT scan or MRI for cerebrovascular disease. Therefore, we decided to keep this important information. This conflict was also a result of unclear exclusion criteria which can be improved by adding severity levels to all exclusion criteria.

- This study showed that 60.0% had periodontal disease and 40.0% had active caries. In the full proceeding paper, we discussed that these two factors were incomparable to other studies and the national data, as well. It was because of different criteria, methodology, and definition. Our study was designed and focused on methodology of oral health-related cognitive impairment studies. For example, three or more millimeters of Clinical Attachment Loss (CAL) were used to defined the presence of periodontal disease as following to the study of Kamer, A. R., Pirraglia, et al (2015). Therefore, our data about active dental caries and periodontal disease, which implied chronic inflammatory process; one of oral health-related Alzheimer's disease plausible theories, can be used for furthur studies in this area. The conclusion of our study was only based on number of remaining natural teeth (์NT) and posterior opposing pairs (POPs).  It was in the first rank of major oral health problems among Thai elderly population: 'Tooth loss'.

Thank you for your nice presentation 

Did the economical status of the family might effect to the result of the study?

Unfortunately, this study collected only individual income per month of participants.
Approximately half of MCI participants in this study (48.3%) had monthly income lower than 10,000 THB.
However, this proceeding paper described only characteristics of the MCIs without comparing to other groups.

It is better to know the economical status of 'the family' due to the economical changes of participant's family/working generation after retirement.
The family income seems to be more valid than individual income.
Thank you for your thoughtful point.