Those don't look likely to be injury-related, to me, because it's very difficult (more like impossible?) for a snake to injure individual scales with normal ones in between like that.
Despite your blurry photos, my guess would be a fungal infection of the skin. BPs are a bit prone to this, due to their homes being so warm & humid- it's also fungus-friendly. These spots tend to increase (be on the look-out!) & try a mild topical antifungal** cream on them, or see your vet to verify. **You'll need to apply it regularly for a while- Q tips work well. (When I kept BPs years ago, I experienced this very thing with mine, & if you ignore it, it can expand a great deal, making it much harder to get rid of. I bought a liquid medication designed for veterinary use from my vet at the time, but I don't recall the name of it; be very careful if using something designed for humans, since other ingredients may be toxic to snakes/reptiles, & it's likely to be stronger too. It will take a while after frequent daily applications for it to go away- shedding alone won't do it, IF this is a fungal issue.)
I can't tell from your photos, but if this is the same as what my snake had, the scales affected had a funny rough "texture" to them- not actually shiny/pink like scar tissue is from an injury. The scales appear lighter because of the way light catches on the texture, I guess? Almost like they were left behind from a prior shed, but they don't come off.
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