Survival Analysis of Orthodontic Micro-Implants: A Retrospective Study on the Effects of Patient-Related Factors on Micro-Implant Success

Round 1

Reviewer 1 Report

Dear Authors

The presented work is very interesting and can be of high cognitive value.

I miss a few elements:

- reference to the fact that the treatment was performed by different operators; the question was whether they used the same principles of implantation ...?

- I miss a broader reference in the discussion on the time of loading microimplants

- I miss a reference in the Discussion to the positioning of microimplants in the mandibular area - interesting research on this topic has recently appeared.

Sincerely Yours

Reviewer

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Reviewer 2 Report

Since placing implants during orthodontic therapy is an invasive procedure it is very important to clear out the advantages of the therapy compared to the classic approach and the indications as well as patient selection. This should be noted in the Introduction and Discussion chapters.

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Reviewer 3 Report

Dear Authors 

thanks for giving me the opportunity of reviewing your paper 

Bone anchor is a very interesting and actual topic

I have some concerns about the material and method section:

Please give some details about the operator involved in the mini-screw placement. Were they Students or trainee operators? Was always the same operator?

Was the insertion torque registered?

Were the implants always of the same brand and design, you just mention the dimensions but not the shape?

Please define what is exactly immediate or delayed loading

In table 2 I can´t see any wildcat in the table please correct it

Give some details of the kurdos classification to clarify why it is related to failure 

Please add in the conclusion the correlation of failure rate with root proximity

 

 

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Reviewer 4 Report

The authors conducted a retrospective study aiming to evaluate the effect of alveolar bone density on the success rate of micro-implants. The study is well conducted and of a great interest. however for publication i have the following points:

1- Title : please add the study design to the title.

2-Introduction: please add more rational for conducting the study parameters as many study were published dealing with the micro implants survival.

3-Methods: it is very essential to differentiate between implant success and implant survival. Mostly meant implant survival is the implant still in the mouth whereas implant success is the success according to defined criteria (  https://doi.org/10.3390/jcm8101687).

 

Author Response

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Round 2

Reviewer 1 Report

Dear Authors

Congratulations to Your work

I find this paper ready for publication

Sincerely Yours

Reviewer

Reviewer 2 Report

Since today's orthodontic therapy very rarely use invasive methods, still in some special cases there are needed. Very detailed clarification about indications and advantages compared to the classic approach is therefore needed. Now with this clarification the manuscript can be published.

Reviewer 3 Report

The authors have addressed all the indicated point

The article have improved

best regards