We understand that Miswaak is a utensil one uses to purify ones own mouth and by doing so one will attain the pleasure of Allah SWT therefore, one should have respect for the Miswaak even when disposing it.
The subject of “if black dogs are considered Shaitan” has been cited in countless books of Hadith, either directly or indirectly. The Scholars have differed on this subject for over a thousand years however, what can be deduced is that there are five dominate interpretations.
Touching or reading the Quran that does not contain Arabic, firstly we know the well-established fact that the touching the Arabic Quran whilst not being in state of purity is haram, as it was mentioned in the Holy Quran: